3GPP TSG RAN WG1 #59 &WG2 # /11/26

Transcription

1 3GPP TSG RAN WG1 #59 &WG2 # /11/26

2 3GPP TSG RAN1/2 RAN1 RAN2 WGs Contribution ITRI Contributions RAN2 contributions RAN2 3GPP LTE-Advanced 3GPP ITU-R IMT-Advanced LTE-Advanced ITU-R RAN1 LTE-Advanced 3GPP RAN LTE-Advanced LTE-Advanced 3GPP LTE-Advanced 3GPP LTE LTE Stage 3 PHY Layer MAC RLC PDCP RRC release 8 release 9 stage 3 M300 3GPP TSG RAN1 #59 RAN2 #68 3GPP LTE- (980052) Advanced (970083) (940616) (950655) (970082) 3GPP TSG RAN1 #59 3GPP LTE-Advanced 3GPP TSG RAN1 #59 PHY MIMO 3GPP RAN2#68 MBMS 3GPP RAN2#68 Handover HeNB 1

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4 3GPP TSG RAN1 #59 Meeting 3GPP TSG RAN2 #68 Meeting LTE-A CoMP MIMO HeNB CA MBMS Handover (RAN2) November 09, 2009 ~ November 13, 2009 The Shilla Jeju, , Saekdal-dong, Seogwipo-si, Jeju-do, KOREA 3GPP RAN1 Session #59 Tentative Schedule RAN1#59 Monday Tuesday Wednesday Thursday Friday Coffee Lunch Coffee 1, 2, 3 4 LSs LTE CRs 7.2 BW ext. 6.3 Net. Pos. 6.4 Enh. DL tx MU- MIMO HSPA CRs 5.3 TDD Cell Portion 5.5 TDD MC- HSUPA 7.3 DL RS 7.4 UL RS 7, 7.9 HSPA 5.4 4C HSDPA HSPA 5.6 UL TxD Relay Feedback 7.6 UL TxD + MIMO 7.7 Het. Net. Revisions etc Halla I / II Sara Halla I Halla II 3

5 3GPP RAN1 Session #68 Indicative Time-schedule Main room 2 nd LTE room UMTS room Mon: before morning coffee Mon: morning coffee -> lunch [2], [3], [4] MDT [4.2.2?] Mon: lunch -> afternoon coffee Mon: after afternoon coffee Tue: before morning coffee [5.1][5.2][6.8.1] Tue: morning coffee -> lunch LTE CP [5.8][5.9][6.8.2] Tue: lunch -> afternoon coffee Start Rel-9 WI [6.x] Tue: after afternoon coffee Wed: before morning coffee Rel-9: Positioning [6.1] Wed: morning coffee -> lunch Wed: lunch -> afternoon coffee Wed: after afternoon coffee MDT [4.2.2] Breakout: LTE UP [5.3] [5.7],[6.8.3] Breakout: LTE MBMS [6.3] [8 without TDD] [9 without TDD] [9 without TDD] cont d [10.1], [10.2] Thu: before morning coffee Thu: morning coffee -> lunch Thu: lunch -> afternoon coffee Thu: after afternoon coffee Rel-9 left-overs [6.x] LTE-A [7.1][7.2][7.3] [7.4?] TDD session: [8], [9.05], [9.11], [9.12] [10.3],[10.4], [10.5] Fri: before morning coffee Fri: morning coffee -> lunch Fri: lunch -> untill around 4pm Fri: 4:15 -?? [13][14][15] Joint Session: Study on world-wide wines Come backs [11?] 4

6 RAN1 Meeting PHY MIMO 4. Incoming Liaison Statements RAN2 Liaison (MCS for MCCH) (Carrier Aggregation) MCS for MCCH R LS on Modulation and Coding Scheme for MCCH RAN2. Ericsson R Draft response to LS on MCS for MCCH Ericsson. ST-Ericsson R Parameters for MBMS (Ref. R ) Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R MCS set for MCCH to ensure QoS in different cell sizes and deployments Huawei Rel-9 RAN2 cell sizes 98% cell deployments RAN2#67bis RAN2 ALU Table RAN2 RAN1 Rel-9 Table: Proposed MCS set # MCS 1 QPSK 1/4 2 QPSK 1/2 3 16QAM 1/2 4 64QAM 4/5 Huawei 8 29 Rel-8 TS MCS Index {0, 4, 7, 11, 13, 15, 18, 22} ALU Huawei R MCS for MCH containing MCCH takes one value in I MCS = {2, 7, 13, 19} (TS v8.8.0, table ). MCS for MCH not containing MCCH takes one value in I MCS = {0, 1, 2,, 28} (TS v8.8.0, table ). Carrier Aggregation 5

7 R Response LS on RSTD measurement for OTDOA and PRS periodicity RAN2. Ericsson R LS on timing advance for carrier aggregation in LTE-A RAN2. Qualcomm R Relevance of carrier aggregation scenarios with impact on timing advance (ref. R ) Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Timing advance for carrier aggregation in LTE-A Nokia Siemens Networks, Nokia R Reply LS on timing advance for carrier aggregation in LTE-A Qualcomm Europe, Ericsson, ST-Ericsson, Nokia, Nokia Siemens Networks, Philips, Alcatel-Lucent, Motorola, Panasonic, Huawei, LG Electronics R Response LS to RAN1 on interruption time in DC-HSUPA RAN4 Qualcomm LTE-A timing advance R R E-UTRA Releases 8 and 9 (CR) 6.1. Maintenance of E-UTRA Release 8 Rel-8 CR (Change Request) Rel-8 R CR0142 (Rel-8, F) Clarification of the transmit condition for UE specific reference signals Panasonic, Ericsson, ST-Ericsson, CMCC, LG Electronics, Qualcomm Europe, Alcatel-Lucent, Samsung R CR Clarifications on Accumulation-enabled in power control for Rel-8 Huawei R CR0089 (Rel-8, F) Clarification on bitwidth of RI Huawei, Samsung, NEC, Ericsson, ST-Ericsson, Texas Instruments 6.2. Maintenance of E-UTRA Release 9 Rel-9 16 CR (Change Request) 14 Rel-9 6

8 R CR0140R3 (Rel-9, D) Editorial corrections to Ericsson Chairman s note: Supersedes 4330 agreed at RAN1#58bis. R CR0088R1 (Rel-9, D) Editorial corrections to Qualcomm Europe Chairman s note: Supersedes 4334 agreed at RAN1#58bis. R CR0255R3 (rel-9, D) Editorial corrections to Motorola Chairman s note: Superseded 4331 agreed at RAN1#58bis Revise in R to take wording UE category instead of UE antenna configuration into account. R CR0139R1 (Cat B. Rel-9) Introduction of LTE positioning Ericsson. ST- Ericsson Chairman s note: To be updated (approved) To be revised in R CR0139r2 to include change from R CR0248R1 (Cat B. Rel-9) Introduction of LTE positioning Ericsson. ST- Ericsson R CR0011R1 (Cat B. Rel-9) Introduction of LTE positioning Ericsson. ST- Ericsson R Analysis of impact of cell range extension Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R UL/DL Timing Alignment for Extended Cell Radius Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Draft CR (Rel-9, B) for cell range extension (parameter change) Alcatel- Lucent, Alcatel-Lucent Shanghai Bell R Draft CR (Rel-9, B) for cell range extension (procedure change) Alcatel- Lucent, Alcatel-Lucent Shanghai Bell Chairman s note: CRs are not approved. Not to be included in Rel-9. Ericsson, Nokia, Huawei prefer to consider enb implementation. R CR0143 (Rel-9, A) Clarification of the transmit condition for UE specific reference signals Panasonic, Ericsson, ST-Ericsson, CMCC, LG Electronics, Qualcomm Europe, Alcatel-Lucent, Samsung Chairman s note: Change will be implemented from 4495 before Rel-9 specification created. R Clarification of Inter-cell synchronization with MBMS Marvell Chairman s note: Not agreed. R Draft CR Clarification of PDCCH and PRS in narrow band ZTE, Ericsson, ST-Ericsson Chairman s note: Approved in principle. To be included in update of R Subframe specific channel quality reporting Qualcomm Europe Chairman s note: Not to be included in Rel-9. Consider in the context of ongoing Rel-10 discussions. R Text proposal on Orthogonal PRS transmissions in mixed CP deployments using MBSFN subframes Motorola Chairman s note: No agreement. Proposed change to Table 2 not considered necessary already clear. 7

9 R CR0257 (Rel-9, B) Add shorter SR periodicity Nokia Siemens Networks, Nokia Corporation, HTC Corporation, LG Electronics Inc., NTT DOCOMO, Panasonic, Qualcomm Europe Chairman s note: Awaiting decision in RAN Enhanced DL Transmission for LTE Remaining Details of DM RS 3GPP TSG RAN1 Rel-9 (Reference Signal, RS) Pattern for Extended CP Sequence Design Sequence Mapping Rel-9 (Demodulation Reference Signal, DM-RS) Extended Cyclic Prefix (Extended CP) DwPTS DM-RS Normal CP DM-RS #58bis Qualcomm Qualcomm Juan Montojo discussion R R Summary of discussions on DM RS for DS-BF Qualcomm Europe Agreed patterns for Normal CP: Option N1B ((a) Regular subframes (b) DwPTS {11,12} OFDM symbols (c) DwPTS {9,10} OFDM symbols) (a) (b) (c) ECP UE-RS patterns DM-RS VehB delay spread DM-RS Normal CP discussion Motorola Nokia LGE E1/E4 (Regular subframes) E2/E3 (Regular subframes) (Regular subframes/ DwPTS all configurations) 8

10 Higher density (not staggered) Same density (staggered) Same density (staggered) Performance optimized patterns Patterns matching NCP ones Moto, Huawei, E///, ST-E Nokia, NSN, QC, CATT LGE, RIM, Samsung DwPTS (in particular) DM-RS cells pilots data / / DM- RS pattern RE pilots DM-RS Normal CP discussion Qualcomm Nokia CATT Huawei LGE E1 (DwPTS all configurations) E2 (DwPTS all configurations) E3 (Regular subframes / DwPTS {9,10} / DwPTS {8}) E4 (DwPTS all configurations ) E5 (DwPTS all configurations) Higher density Same density Same density Punctured E1/E4 Punctured E5 E1 Punctured E2/E3 Punctured E2/E3 E1: Performance optimized patterns E2: Patterns matching NCP ones E3: CDM-f proposal E1: QC, Moto E2: Nokia, NSN E3: CATT E4: Huawei, E///, ST-E E5: LGE, RIM, Samsung Pattern for Extended CP R Extended CP DM-RS patterns R R On DM RS for extended CP Ericsson. ST-Ericsson R Extended CP UE-specific reference symbol design for dual-layer beamforming Nokia, Nokia Siemens Networks R DM-RS Design on extended CP for Rel-9 Dual-layer Beamforming LG Electronics R Evaluation of DRS Patterns for Extended CP LTE Rel-9 Enhanced DL transmission Motorola R UE-RS patterns for extended CP Qualcomm Europe 9

11 Chairman s note: Pattern for normal subframes with extended CP 1 st Choice 2 nd Choice E1/E4 E2/E3 E5 Moto, Huawei, E///, ST-E Nokia, NSN, QC, CATT, ZTE, NEC, ALU, ALU-Shanghai Bell LGE, RIM, Samsung ECP is not supported in conjunction with transmission mode 8 in Rel-9 Philips, QC, Moto, Samsung Conclusion: Friday afternoon: Extended CP Rel-9 mode 8 release R Dual layer DM RS pattern for extended CP CMCC, Ericsson, ST-Ericsson, Huawei, NEC, Nokia, Nokia Siemens Networks, Qualcomm Europe Sequence Design DM-RS RAN1#58bis Working Assumption: R DM-RS 2 layers CDM Walsh Orthogonal Cover Code (OCC) / 2 layers LGE Motorola Qualcomm R DM RS sequence design for dual layer beamforming LG Electronics R Orthogonal Cover Mapping for DM RS in LTE Rel-9 Enhanced DL Transmission Motorola R Mapping of orthogonal covers in time and frequency Qualcomm Europe Chairman s note: Friday afternoon: Working assumption from RAN1#58bis: Walsh / e.g., R Working Assumption (RAN1#59) Walsh e.g., R R /

12 R Balance DMRS Power for Rel-9 Enhanced DL beamformng Samsung Sequence Mapping R Considerations for DM-RS sequence design Pantech&Curitel Revision of Study Item on LTE-Advanced 7.2. Bandwidth Extension Remaining SI Issues for DL Control Signalling Design PDCCH RAN1 PDCCH PDCCH Monitoring Set 1. UE PDCCH 2. UE 3. PDCCH RAN2 R RAN2 1. DL Anchor Carrier 2. UL Anchor Carrier 3. R Analysis of PDCCH monitoring component carrier set on LTE-A CATT CATT PDCCH UE PDCCH active CC set PDCCH R Benefits of PDCCH Active component carrier set for UL Control Channel CATT PDCCH PDCCH Active component carrier 11

13 1. 1: UE PDCCHs PDCCH Active component carrier PDCCH 2. 2: UE PDCCHs PDCCH Active component carrier PDCCH 3. 3: UE PDCCHs PDCCH Active component carrier PDCCH PDCCH PDCCH Active CC Set PDCCH PDCCH 7.3. Downlink RS LTE-A (Rel-10) DL (Channel State Information Reference Signal, CSI-RS) rank 5-8 (Demodulation Reference Signal, DM-RS) CSI-RS NTT DoCoMo discussion R R CSI-RS 10 R adhoc meeting R R Summary of ad hoc session on DL RS Ad Hoc chair (NTT CoCoMo) R On Rel-10 DM RS design for Rank 3-4 Ericsson, ST-Ericsson R TP for TR reference signal structure Rapporteur (NTT DOCOMO) CSI RS Design discussion report to be provided by Rapporteur (Tetsushi Abe, NTT DoCoMo) R Summary of discussion on CSI-RS design NTT DOCOMO, Inc CSI-RS (Q9 Q10) Cell CSI-RS (Q1 Q4, Q6, Q7) Cell CSI-RS (Q5, Q8) CSI-RS configurations issues (Questions Q9 Q10 in the summary) 1. cell CSI-RS (Q10) 12

14 2. Rel-10 CSI-RS Rel-8 CRS (Q9) R CSI Measurements with Downlink Reference Signal Texas Instruments R Rel-8 cell-specific RS as CSI-RS for LTE-A NEC Group, NTT DOCOMO R CSI-RS vs. legacy UE operation Qualcomm Europe R Views on CSI-RS Design Issues for LTE-Advanced NTT DOCOMO RS ad-hoc Q9 Q10 RS Chairman s note: Conclusions on Q9 and Q10 (Q10) 2, 4 8 CSI-RS 2 4 CSI-RS Rel-8 CRS 2, 4 8 CSI-RS (Q9) 8 CSI-RS 2-4 CRS Intra-cell CSI-RS design issues (Questions Q1 Q4, Q6, Q7 in the summary) 1. CSI-RS (Q1-Q4) A. PRB CSI-RS RE (Q1) B. PRB CSI-RS RE (Q2) C. CSI-RS PRB (Q3) i. Alt1: No: CSI-RS FDM ii. Alt2: Yes: CSI-RS FDM iii. Alt3: Yes: CSI-RS TDM D. CSI-RS (Q4) 2. Resource Element (RE) (Q6, 7) R Intra-cell CSI-RS design aspects Nokia, Nokia Siemens Networks R Multi-cell CSI-RS transmission and related impact to LTE Rel'8 Nokia, Nokia Siemens Networks R Further Design and evaluation on CSI-RS for LTE-A Huawei (Sections 2, 3) R Discussion on CSI-RS for LTE-Advanced Samsung R Further investigation on CSI design for LTE-Advanced ZTE Revision of R Considerations on CSI RS design in LTE_A Fujitsu 13

15 R CSI RS design considering relay backhaul ETRI R CSI-RS design for LTE-Advanced LG Electronics R Cyclic Shift Multiplexing for CSI-RS Design Motorola RS ad-hoc RS Chairman s note: After meeting: Q2 Q2a: 8 PRB cell CSI-RS RE Alt1: 8 RE Alt2: 12 RE Alt3: 16 RE Q2b: 4 PRB cell CSI-RS RE Alt1: 4 RE: Alt2: 6 RE Alt3 : 8 RE Q2c: 2 PRB cell CSI-RS RE Alt1: 2 RE Alt2: 3 RE Alt3: 4 RE Q2a, b and c Q2a, b c 8 RE 11 NSN cell CSI-RS (Q3) Alt1: Alt2: Conclusion on Q3 Alt1 Conclusion on Q4 5 WI stage 10 Conclusion on Q7: CSI-RS OFDM (a) Rel-8 CRS 8 CSI-RS 4 CRS (d) CP (Normal CP) PDCCH 1-3 rd OFDM 14

16 Inter-cell CSI-RS design (Questions Q5, Q8 in the summary) cell CSI-RS R Inter-cell CSI-RS design and performance Nokia, Nokia Siemens Networks R Further Design and evaluation on CSI-RS for LTE-A Huawei (Sections 2, 3) R Inter-cell CSI-RS design Panasonic R Details of CSI-RS Qualcomm Europe R CSI-RS design for LTE-Advanced NEC Group R Important issues concerning CSI-RS for FDD and TDD CATT R Multi-cell CSI-RS design considerations Fujitsu R Multi-Cell CSI-RS Pattern and Sequence WOASIS Telecom R Multi-Cell CSI-RS with Network Subband WOASIS Telecom R On CSI RS design Ericsson. ST-Ericsson (Section 2.2) R RS design and network synchronisation Philips R Further discussion on CSI-RS Panasonic DM RS for Rank 5-8 rank vs. 4 RB bundling CP rank 3-4 OCC mapping (SDM) TP on rank 3-4 pattern R TP for TR reference signal structure Rapporteur (NTT DOCOMO) Orthogonal cover code (OCC) = 2 vs. 4 and RB bundling R Further considerations on Rel-10 DM RS design Ericsson. ST-Ericsson R Beyond four-layer UE-specific reference symbol design for LTE-Advanced Nokia, Nokia Siemens Networks 15

17 R Downlink DM-RS Structure for Rank 5-8 in LTE-Advanced NTT DOCOMO R Further investigation on DMRS design for LTE-A CATT R Investigation for DMRS design of rank5~8 ZTE R DMRS discussion for Rank 5~8 Huawei R DM-RS Design for rank 5-8 LG Electronics R UE-RS patterns for rank 5-8 Qualcomm Europe R Downlink DM-RS Design Considerations for Rank 5-8 in LTE-A Research Motion UK Limited R Discussion on DM-RS for LTE-Advanced Samsung In DM-RS pattern for rank 3-4 for special subframes, and extended CP R UE-RS patterns for rank 3-4 and extended CP Qualcomm Europe R On Rel-10 DM RS design for Rank 3-4 Ericsson, ST-Ericsson R DMRS design in extend CP for rank1~4 ZTE OCC mapping R Joint consideration of DL DM-RS design and codeword-layer mapping for rank over 3 Panasonic DMRS with SDM R Further consideration on downlink DM-RS design for rank 5-8 in LTE-Advanced Hitachi 7.4. Uplink RS LTE-A (Rel-10) UL DM-RS (Sounding Reference Signal, SRS) DM RS R Views on UL DM-RS Panasonic R "Performance of uplink MU-MIMO with enhanced demodulation reference signal structure"nokia Siemens Networks, Nokia R Uplink DM RS enhancement for LTE-A Huawei R Mapping of UL RS sequence for clustered DFT-S-OFDM NEC Group R UL DM RS Multiplexing for SU-MIMO Texas Instruments R Consideration on DM-RS design for UL SU-MIMO in LTE-A LG Electronics 16

18 R Uplink DM-RS for LTE-A Motorola R DM RS in support of UL spatial multiplexing Qualcomm Europe R UL RS Enhancement for LTE-Advanced NTT DOCOMO R Orthogonal cover codes for uplink DM-RS Mitsubishi Electric Chairman s note: UL SU-MIMO UL MU-MIMO UL CoMP NSN RNA1#59bis OCC / IFDMA/FDM SRS R SRS Transmission in LTE-A Samsung R UL SRS enhancements to support CoMP and Transmit Diversity Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Consideration on SRS design for LTE-A UL multi-antenna transmission Sharp R Performance of SRS based channel sounding with uplink SU-MIMO Nokia Siemens Networks, Nokia R Channel sounding enhancements for LTE Advanced Nokia Siemens Networks, Nokia R Increasing SRS capacity to support UL MIMO Huawei R Reliability analysis and possible solutions on SRS for LTE-A Huawei R Multiplexing Capability of Uplink SRS in LTE-A ZTE R UL sounding RS multiplexing for multiple antennas in LTE-Advanced LG Electronics R SRS Enhancements for LTE-A Motorola R SRS enhancements for LTE-A Qualcomm Europe R SRS configuration for LTE-Advanced Panasonic R Performance Evaluation of Rank-1 Precoded SRS Mitsubishi Electric R Further consideration on enhanced SRS for CoMP/non-CoMP user group Pantech&Curitel R SRS for Carrier Aggregation in LTE-Advanced Texas Instruments 7.5. DL Multi-antenna Transmission 17

19 LTE-A (Rel-10) DL MIMO cell MU-MIMO cell MU-MIMO Rel-8 CQI/PMI/RI DL Single-cell MU-MIMO (1) - MIMO (2) MIMO (3) MIMO i.e., layera Dynamic vs. Semi-static SU-MU MIMO Switching R On SU-MU MIMO switching Ericsson, ST-Ericsson R Considerations on SU/MU-MIMO switching in LTE-A CATT R Discussion on Dynamic Switching vs Semi-static Switching of SU and MU-MIMO Samsung R Dynamic SU-MU MIMO switching based on scalable implicit feedback Alcatel- Lucent, Alcatel-Lucent Shanghai Bell R Investigation of the SU/MU MIMO dynamic switching Huawei R Discussion on mode switching between SU-MIMO and MU-MIMO LG Electronics R MCS Prediction in Support of Dynamic SU/MU-MIMO Motorola R DL MIMO transmission modes Qualcomm Europe R Consideration on Downlink Signalling for MU-MIMO ZTE Section 2 only. R On Downlink Single Cell MU-MIMO in LTE-A Research In Motion UK Limited Section 2.1 only. Chairman s note: RRC MIMO Transparent vs. non-transparent MU-MIMO R On transparent and non-transparent MU-MIMO Ericsson. ST-Ericsson R Further discussion on Downlink Multi-user MIMO operation for LTE-Advanced Panasonic 18

20 Section 2.1 only. R Transmission schemes for DL MU-MIMO CATT R Discussion on Transparency for LTE-A MU-MIMO Samsung R Transparent vs. non-transparent MU-MIMO Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Views on Transparency of MU-MIMO Motorola R Transparency of MU-MIMO Huawei R Downlink control signalling support for SU/MU-MIMO NEC Group R Consideration on Downlink Signalling for MU-MIMO ZTE Section 3 only. R Discussion on transparency between SU-MIMO and MU-MIMO LG Electronics R Transparent vs. non-transparent MU-MIMO operation Qualcomm Europe Chairman s note: MIMO RB MIMO MIMO MIMO DM-RS MIMO MU-MIMO Dimensioning R Further discussion on Downlink Multi-user MIMO operation for LTE-Advanced Panasonic Section 2.2 only. R Discussion on MU-MIMO dimensioning in LTE-A CATT R Discussion on MU-MIMO demensioning Samsung R MU-MIMO dimensioning Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R On the multi-layer multi-user transmission in LTE-Advanced Nokia, Nokia Siemens Networks R Dimensioning of LTE-A MU-MIMO Huawei R Consideration on Multi-layer MU-MIMO vs. Single-layer MU-MIMO ZTE R Consideration on the dimensioning of DL MU-MIMO Texas Instruments 19

21 R Higher Order MU-MIMO for LTE-A Motorola R MU-MIMO dimensioning Qualcomm Europe Others R Further Discussion on Signaling of DM-RS Port for LTE-A MIMO Transmission Research In Motion UK Limited R Design of scrambling sequence for MU-MIMO Samsung R UE selection diversity and SIC gain Pantech&Curitel R PDCCH Performance with Transparent Antenna Aggregation Methods Motorola R Discussion on DL MU-MIMO in LTE-A Fujitsu Feedback in Support of DL Multi-antenna Transmission (1) Rel-8 CQI/PMI/RI (2) (3) Rel-8 CQI/PMI/RI cell DL NTT DoCoMo discussion RAN1#58 58bis TR CoMP Feedback WF R R TR R TP for TR on CoMP feedback Rapporteur (NTT DOCOMO) CoMP feedback (Chairman notes in #58) Way forward ( R ) - cell o cell - o discussion - CoMP e.g., RRC - CoMP CoMP e.g., MBSFN (Coordinated Beamforming, CBF) (Joint Processing, JP) CoMP i.e., / 20

22 MIMO o MBSFN - - CBF JP CoMP CoMP o CoMP JP CoMP CBF o CoMP CoMP (Chairman notes in #58bis) #58bis WF R cells Extensions to Rel-8 CQI/PMI/RI Feedback Main proposals R On Feedback in support of DL Multi-Antenna transmission Ericsson. ST-Ericsson R Views on PMI feedback for uncalibrated enode-b Motorola R Feedback enhancements for LTE-A downlink transmission CATT R Enhancements of Rel-8 PMI feedback Samsung R Best companion reporting for single-cell MU-MIMO pairing Alcatel-Lucent, R Signalling Aspects of Adaptable Codebooks Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Possibility of MAI indication by UE Pantech&Curitel R Feedback framework consideration for single cell MIMO Huawei R Extension to Rel. 8 PMI feedback by adaptive codebook Huawei R Extension to Rel-8 CQI feedback to support coordinated beam switching/ interference management Huawei, Hitachi Ltd., Qualcomm Europe Revision of 4712Extension to Rel-8 CQI feedback to support CBS Huawei R Multi-resolution precoding codebook NEC Group R Downlink MU-MIMO and related feedback support Texas Instruments Revision of R Feedback information for downlink coordinated scheduling/beamforming LG Electronics R Considerations on Feedback Schemes for Codebook-based MU-MIMO in LTE-A Potevio R MU-MIMO Performance Comparison of Two Feedback Assumptions: Rel-8 Codebook and Spatial Covariance Motorola 21

23 R Study of Possible Extensions to Rel-8 PMI Feedback for Better MU-MIMO Support Motorola R Extending the UE feedback for efficient MU-MIMO and CoMP Qualcomm Europe Chairman s note: Rel-8 CQI/PMI PMI PMIs PMIs PMIs PMI CQI CQI Rel-8 CQIs Way Forward MIMO CoMP Rel-8 MIMO R Rel-8 R R Way forward on UE feedback Ericsson, ST-Ericsson, NTT DoCoMo, Texas Instruments, Nokia, Nokia Siemens Networks, Panasonic, Alcatel-Lucent, Alcatel-Lucent Shanghai Bell, Mitsubishi Electric, RIM, Sharp, CWWiT R Way forward on UE feedback Alcatel-Lucent, Alcatel-Lucent Shanghai Bell, ETRI, Fujitsu, HTC, Huawei, Icera Semiconductor, InterDigital Communications, Marvell, Motorola, Philips, Qualcomm Europe, Samsung, TD Tech, Vodafone, ZTE discussion Way Forward R Consideration of performance of coordinated beamforming with PMI feedback Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Re-use of single cell codebook designs for CoMP Philips R Feedback framework for SU/MU MIMO and CoMP for Downlink Transmission in LTE-A Hitachi Ltd. Further details 22

24 R CQI contents & measurement for SU-MIMO/MU-MIMO/CoMP LG Electronics R Estimation of extended PMI feedback signalling required for user intra-cell and inter-cell coordination Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Grid of beams for MU-MIMO Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Adaptable Codebooks for MU-MIMO Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Investigation on dual polarition channel and codebook ZTE R Further Investigation on dual polarition uncorrelation channel and codebook ZTE R Considerations on CQI feedback in the Rel-10 MU-MIMO Potevio R Consideration on MU-MIMO feedback reduction HTC Corporation R Consideration on new feedback information in support of dowlink MIMO control Hitachi Ltd. R Consideration on Feedback for Adaptive Cell Clustering Hitachi Ltd. UL signalling considerations R Periodic PUSCH feedback LG Electronics R CSI Feedback Signaling in LTE-A Samsung R Payload Increase for PUCCH Format 2/2a/2b LG Electronics 8 Tx codebook design R Tx Codebook Design for Channel Feedback in support of DL SU-MIMO in LTE- A Samsung R Design principles for feedback codebook for 8 DL tx antennas Alcatel-Lucent, Alcatel-Lucent Shanghai Bell R Codebook for 8Tx DL for LTE-A Motorola R DL Codebook Design for 8 Tx MIMO in LTE-A ZTE R Codebook-Based Feedback Issues on 8Tx Downlink MIMO Texas Instruments R DL Codebook design for 8Tx precoding LG Electronics R Evaluation for 8Tx CL-MIMO LG Electronics Explicit Feedback Scheme R Statistical feedback information with outage considerations Panasonic R Explicit Feedback Support for SU/MU-MIMO in LTE-A Samsung R Weighted CSI Feedback Alcatel-Lucent Shanghai Bell, Alcatel-Lucent 23

25 R Considerations on spatial covariance aided implicit feedback for MU-MIMO Alcatel-Lucent Shanghai Bell, Alcatel-Lucent R Performance of explicit and implicit feedback in supporting DL Multi-Antenna transmission Nokia, Nokia Siemens Networks R Covariance matrix quantization for CSI feedback Motorola R Hierarchical Feedback from Single-cell MIMO to Multi-cell MIMO Huawei R Spacial CSI feedback for beamforming antenna ZTE R Low-Overhead Feedback of Spatial Covariance Matrix Motorola R Explicit feedback in support of MU-MIMO operation Qualcomm Europe R Downlink MIMO with Coordinated Beamforming and Scheduling Marvell R Investigation on Quantization Scheme of Explicit Spatial Channel Feedback for CoMP Joint Transmission in LTE-Advanced NTT DOCOMO R Codebook Design for MU-MIMO under diversity antennas configuration ZTE Revision of R Impact of Explicit Feedback Quantization on Multi-user JT-CoMP Tokyo Tech R Eigen-feedback reduction by sub-space signaling Toshiba R Explicit feedback for single-cell MIMO and CoMP Toshiba Channel Reciprocity R On channel reciprocity for enhanced DL Multi-Antenna transmission Ericsson. ST-Ericsson R Applicability of channel reciprocity in LTE-A downlink transmission CATT R Considerations on Enhanced SRS Transmission Schemes CATT R Discussion on long-term channel reciprocity in FDD Samsung R Channel Reciprocity Modeling and Performance Evaluation Alcatel-Lucent Shanghai Bell, Alcatel-Lucent R Antenna Array Calibration for TDD CoMP Alcatel-Lucent Shanghai Bell, Alcatel-Lucent R Hybrid feedback of SRS and PMI to support asymmetric Tx/Rx antenna configurations Alcatel-Lucent Shanghai Bell, Alcatel-Lucent R Use of Uplink Covariance Matrix for Downlink MIMO in FDD Motorola R Consideration on enhanced SRS-based feedback for CoMP CMCC R Necessity of checking channel reciprocity in TDD Mitsubishi Electric Others R CoMP feedback overhead reduction based on precoded RS Panasonic R Considerations on Spatial Domain Coordination in LTE-A CATT R Extension of single cell operation to multiple co-located cells: TP for TR Philips 24

26 Others R Phase Adjustment Mechanism in CoMP Mediatek R DL multi-antenna operation image Panasonic R Transmit diversity in MBSFN subframes Samsung R Consideration on Multi-RB channel interpolation LG Electronics R Remaining issues on higher order MIMO LG Electronics R Considerations on CoMP switching and scenarios Potevio R SCF-based Coordinated Beamforming and Performance Gain over Single-Point SU/MU Beamforming Motorola R DL covariance matrix estimation from UL channel Huawei 7.6. UL Multi-antenna Transmission LTE-A (Rel-10) UL MIMO PUSCH MIMO preocding codebook PUSCH MIMO PUSCH MIMO Samsung ad-hoc meeting R (Transmit Diversity, TxD) Ericsson, ST-Ericsson, Nokia, NSN, Qualcomm, CATT, TI OL TxD Rel-10 OL TxD OL TxD Rel-10 OL TxD CL rank-1 Rel-10 OL TxD R Summary of ad-hoc session on UL MIMO Ad-Hoc chair (Samsung) PUSCH TxD Introduction of TxD (focus only on 2Tx) R Discussions on TxD for PUSCH Ericsson. ST-Ericsson R Further discussion on transmit diversity for PUSCH CATT R Discussions on UL PUSCH 2Tx Transmit Diversity Schemes in LTE-A Samsung R Performance Study on LTE-A PUSCH 2Tx Transmit Diversity Alcatel-Lucent Shanghai Bell, Alcatel-Lucent 25

27 R On the necissity of transmission diversity for LTE-A Nokia Siemens Networks, Nokia R On transmit diversity for PUSCH Huawei R Performance comparison between open-loop TxD and closed-loop precoding for LTE-A PUSCH ZTE R Support of UL Tx Diversity for PUSCH Texas Instruments R Discussion on PUSCH TxD LG Electronics R Performance characterization of transmit diversity vs. other transmission schemes for PUSCH Qualcomm Europe R Necessity of Uplink Open-Loop Tx Diversity in LTE-Advanced NTT DOCOMO R Comparison of STBC and Low-CM SFBC for LTE-A PUSCH Mitsubishi Electric Revision of R WayForward on PUSCH Transmit Diversity for LTE-A ALU Shanghai Bell, ALU LGE, Samsung, ZTE, Sharp, CHTTL, HTC, Huawei Mitsubishi, Potevio, I2R, Toshiba, ETRI MIMO ad-hoc MIMO Chairman s note: PUSCH 2 4 Rel-10 E///, ST-E, QC, Nlkia, NSN, NEC, TI, CATT Rel-10 ALU Shanghai Bell, ALU, LGE, Samsung, ZTE, Sharp, CHTTL, HTC, Huawei, Mitsubishi, Potevio, I2R, Toshiba, ETRI Rel-10 / Rel-10 4 TxD and others 2TxD discussions R Three-symbol STBC for LTE-Advanced Uplink I2R R Benefits of 4 transmit antenna diversity for PUSCH Huawei R Performance evaluation of PUSCH 4Tx transmit diversity schemes in LTE-A LG Electronics R Comparison of uplink 4-TX transmit diversity schemes for LTE-Advanced Mitsubishi Electric Remaining Codebook Issues Rank-3 codebook issues 26

28 R Uplink rank 3 codebook Ericsson. ST-Ericsson R Results for UL transmit power distribution LG Electronics R Further Discussion on Rank 3 Codebook Design for 4 TX UL SU-MIMO Samsung R On rank 3 usage with different traffic loading Nokia Siemens Networks, Nokia R Rank 3 codebook considering codeword to layer mapping Pantech&Curitel R Deployment scenario for uplink rank 3 codebook design Huawei R Further Consideration on 4Tx Rank-3 Codebook Texas Instruments R Rank-3 uplink codebook design for LTE-Advanced LG Electronics R Further Results on UL-MIMO Codebook Design Motorola R UL performance vs. codebook size Qualcomm Europe R Tx SU-MIMO Codebook in LTE-Advanced Uplink NTT DOCOMO R Performance evaluation on rank-3 precoding codebook for LTE_A UL MIMO Fujitsu R UL_MIMO enhancement with codebook size adaptation and nested codebook group Fujitsu Single or multiple precoder R Considerations on multiple precoding scheme for clustered DFT-S-OFDM Sharp Others R Resource Mapping for PUCCH format 1/1a/1b with Transmit Diversity Research In Motion UK Limited R Further Discussion on Transmission Mode Configuration for LTE-A Uplink Transmission Research In Motion UK Limited R Discussion on UE class category and numbers of Tx PA and Tx/Rx antenna configurations LG Electronics R Comparison between uplink frequency selective and non-selective precoding LG Electronics R Transmit Diversity for PUCCH format 2/2a/2b CATT R PUCCH Format 1/1a/1b Resource Allocation with Transmit Diversity CATT R Transmit Diversity and Frequency Hopping Aspects for PUCCH Formats 2/2a/2b Samsung R Multi-antenna Transmission and Coding Schemes for PUCCH Format 2 with Increased Payload InterDigital Communications, LLC R Resource Allocation for Multi-antenna Transmission in PUCCH Format 1/1a/1b LG Electronics R Multi-antenna Technique for PUCCH Payload Increase CATT 27

29 R assumptions Link Analyses of SU-MIMO operation for UL of LTE-A for agreed simulation Qualcomm Europe 7.8 Relaying RAN1 R-PDCCH 1. R-PDCCH 2. R-PDCCH PDCCH RAN1#59bis R-PHICH RAN1#59bis HARQ FDD 8msHARQ RTT L1 HARQ HARQ R Rel-8 PDCCH inband/outband R R Relay performance evaluation CMCC CMCC 28

30 ISD / 1 3 ISD / 1 3 1/5 I S D ISD / 1 3 /5IS 1 D ISD / 1 3 RN enb 8/15 ISD RN RN enb 8/15 ISD 1/5 ISD (a) 1RN/sector (b) 2RNs/sector RN RN enb 8/15 ISD RN RN enb 1/10 ISD (c) 4RNs/sector (d) 10RNs/sector 30dBm 37dBm 15% R Updated Type 1 Relay Performance Characterization: Dependency with Channel Model Assumptions Qualcomm 29

31 RAN2 Meeting R Basic CC Configuration in Carrier Aggregation Nokia Corporation, Nokia Siemens Networks Disc NSN Rel-8 RRC DRX DRX 1) Common DRX: UE DRX operation CC1 PDSCH 2) Anchor carrier DRX: DRX ; DRX 3) Independent DRX with common configuration DRX DRX Ericsson common DRX Ericsson Ericsson NEC enb Ericsson IDT common DRX QC DRX Panasonic common DRX Common DRX DRX PDCCH DRX CCx PDSCH R Carrier activation and de-activation CATT Disc ZTE DRX-off DRX-off Motorola Ericsson UE Motorola Ericsson UE 30

32 IDT Ericsson Ericsson UE UE Intel Motorola CQI Ericsson CQI RIM SI RRC SI CATT SI LG RRC RRC R Activating and deactivating component carriers Samsung Disc Ericsson UE 200ms Samsung DRX Samsung RIM Panasonic Deutsch Telecom R System Information change in RRC_CONNECTED Nokia, NSN Nokia RRC_Connected Ericsson paging ZTE IDLE CONN ZTE UE IDLE Panasonic Rel-8 Ericsson Panasonic Huawei Ericsson Huawei UE 31

33 Vodafone Ericsson Samsung bits Panasonic Ericsson/Samsung Samsung RAN2 1. RRC 2. UE paging UE SIB1 R Connected Mode Measurement in Carrier Aggregation Alcatel-Lucent Disc 1. UE UE 2. R Measurement considerations for multicarrier operation Qualcomm Europe Disc Qualcomm UE Samsung Qualcomm Ericsson Ericsson Rel-8 Qualcomm LTE release 9: MBMS LTE RAN2#68 LTE Rel-9 MBMS stage 3 Huawei discussion R Report of discussion on MBMS value range [67b#14] Huawei SIB13 MBSFN Area ID #2 MBSFN Area ID #7 MCCH MCCH DSI DSI M BSF N Area I D#20... DSI MCCH Cell-specific information transmitted in unicast resource 32 Non-cell specific information transmitted in MBSFN resource LTE Rel-9 MBMS MBMS SIB13 MCCH DSI (dynamic scheduling information) discussion

34 SIB13 MBSFN area MCCH notificationindicator-r9 MBSFN area MBMS notification bitmap SIB13 (value range) -- ASN1START SystemInformationBlockType13-r9 ::= SEQUENCE { mbsfn-areainfolist-r9 MBSFN-AreaInfoList-r9, notificationconfig-r9 SEQUENCE { notificationrepetitioncoeff-r9 ENUMERATED { }, -- Value range is FSS notificationoffset-r9 INTEGER (0), -- Value range is FSS notification-subframe-r9 INTEGER (1..6),... } MBSFN-AreaInfoList-r9 ::= SEQUENCE (SIZE(1..maxMBSFN-Area)) OF MBSFN-AreaInfo-r9 MBSFN-AreaInfo-r9 ::= SEQUENCE { mbsfn-areaid-r9 INTEGER (0), -- Value range is FFS notificationindicator-r9 INTEGER (0..7), mcch-config-r9 SEQUENCE { repetitionperiod-r9 ENUMERATED {rf32, rf64, rf128, rf256}, offset-r9 INTEGER (0..10), modificationperiod-r9 ENUMERATED {rf512, rf1024}, sf-allocinfo-r9 BIT STRING (SIZE(6)), } }, ASN1STOP signallingmcs-r9 ENUMERATED {n2, n7, n13, n19} MCCH MCH MSAP configuration MCCH commonsfn-alloc-r9, commonsf-allocperiod-r9, pmch-infolist-r9 commonsfn-alloc-r9 MBSFN subframe resource commonsf-allocperiod-r9 end MBSFN subframes MCH pmch-infolist-r9 serviceid, sessionid services MCH MCCH -- ASN1START MBSFNAreaConfiguration-r9 ::= SEQUENCE { commonsf-alloc-r9 CommonSF-AllocPatternList-r9, commonsf-allocperiod-r9 ENUMERATED {rf4, rf8, rf16, rf32, rf64, rf128, rf256}, pmch-infolist-r9 PMCH-InfoList-r9, noncriticalextension SEQUENCE {} OPTIONAL } CommonSF-AllocPatternList-r9 ::= MBSFN-AreaSAP-r9 ::= PMCH-InfoList-r9 ::= SEQUENCE (SIZE (1..maxMBSFN-Allocations)) OF MBSFN-AreaSAP-r9 MBSFN-SubframeConfig-r9 SEQUENCE (SIZE (1..maxPMCH-PerMBSFN)) OF PMCH-Info-r9 PMCH-Info-r9 ::= SEQUENCE { pmch-config-r9 PMCH-Config-r9, mbms-sessioninfolist-r9 MBMS-SessionInfoList-r9 } MBMS-SessionInfoList-r9 ::= SEQUENCE (SIZE (1..maxSessionPerPMCH)) OF MBMS-SessionInfo-r9 MBMS-SessionInfo-r9 ::= SEQUENCE { serviceid-r9 MBMS-ServiceId-r9, sessionid-r9 OCTET STRING (SIZE (1)), mtch-config-r9 SEQUENCE { logicalchannelidentity-r9 INTEGER (0..29) },... } -- Common definitions PMCH-Config-r9 ::= SEQUENCE { 33

35 } sf-allocend-r9 INTEGER ( ), datamcs-r9 INTEGER (0..28), msap-occasionperiod-r9 ENUMERATED { rf8, rf16, rf32, rf64, rf128, rf256, rf512, rf1024},... MBMS-ServiceId-r9 ::= SEQUENCE { plmn-id-r9 CHOICE { plmn-index-r9 INTEGER (1..6), explicitvalue-r9 PLMN-Identity }, serviceid-r9 OCTET STRING (SIZE (0..3)) } -- ASN1STOP MBSFNAreaConfiguration field descriptions commonsf-alloc Indicates the subframes allocated to the MBSFN area commonsf-allocperiod Indicates the period during which resources corresponding with field commonsf-alloc are divided between the (P)MCH that are configured for this MBSFN area. The subframe allocation patterns, as defined by commonsf- Alloc, repeat continously during this period sf-allocend Indicates the last subframes allocated to this (P)MCH within a period identified by field commonsf-allocperiod. msap-occasionperiod Indicates the MSAP occasion period i.e. the periodicity used for providing dynamic scheduling information. datamcs Indicates the Modulation and Coding Scheme (MCS) applicable for the subframes of this (P)MCH as indicated by the field commonsf-alloc. The MCS does however neither apply to the subframes that may carry MCCH i.e. the subframes indicated by the field sf-allocinfo within SystemInformationBlockType13 nor for the first subframe of each MSAP occasion (which may contain the dynamic scheduling information provided by MAC). Indicates the I value for parameter MCS in TS [23, Table ]. plmn-index Index of the entry in field plmn-identitylist within SystemInformationBlockType1, that is set to the applicable value. R Further discussion on DSI for LTE MBMS CMCC, Alcatel-Lucent Shanghai Bell, Alcatel-Lucent, CATT, HTC, Huawei, ITRI, ZTE DSI DSI ITRI LCID LCID DSI MSAP occasions DSI 8 bits STOP 11 bits Nokia LCID vice chairman LCID STOP LCID MAC header LCID 1 Stop MTCH 1 Oct 1 Stop MTCH 1 Oct 2 LCID 2 Stop MTCH 2 Oct 3 Stop MTCH 2... Oct 4 LCID n Stop MTCH n Oct 2n-1 Stop MTCH n Oct 2n Inbound mobility in RAN2 34

36 Ericsson, Qualcomm, Motorola inbound mobility to CSG CSG UE white list CSG H(e)NB Ericsson (R ) UE CSG H)NB autonomous search CSG H(e)NB search Qualcomm (R ) (cell measurement) CSG cell cell white list CSG HNB proximity indication Motorola (R ) PSC/PCI range UE SI proximity indication Vodafone (R ), NTT DOCOMO (R ), LGE (R ), Huawei (R ), HTC (R ) proximity indication SI reading/reporting Motorola (R ) SI InterDigital (R ) Motorola LGE reporting (R ) non-si reporting (R ) LGE R SI SI reporting CATT (R ) SI reporting ZTE (R ) SI report reportcgi T321 HeNB Ad Hoc in RAN4 RAN4 HeNB requirements for TDD HeNB (1) RF requirements, (2) synchronization requirements and solutions, (3) interference mitigation RF requirements CMCC CATT ACLR requirement ACS and narrow band blocking requirement Blocking requirement Dynamic range requirement Frequency error requirement Performance requirement Operating band unwanted emissions requirement Reference sensitivity level requirement Spurious emission requirement BS classification Maximum output power In-channel selectivity requirement Receiver intermodulation requirement synchronization requirement 7 Qualcomm (R ) NSN (R ) HeNB CMCC (R ) HeNB GNSS/GPS, IEEE 1588v2 network listening HeNB (Rel-9) Qualcomm, CMCC, NSN large propagation case 35

37 Motorola (R ) MeidaTEK (R ) HeNB interference mitigation Motorola (R ) HeNB (Downlink control channel protection) (macro cell) HeNB Motorola NeNB HeNB (frame) ( symbol ) HeNB (e.g. SSCH, PSCH) uplink timing advance control LTE Rel-9: HeNB UE inbound handover( enb HeNB) (For Further Study) NTT DOCOMO overview inbound mobility procedure open issues paper Inbound mobility Overview R CSG inbound handover overview NTT DOCOMO 36

38 Start 1. enb configures UE with a) MeasConfig with optional PCI range for autonomous SI reporting, and b) proximity indication control 2. UE detects fingerprint match for a cell on non-serving frequency N 4. UE sends proximity indication 3. MeasConfig exists for the concerned frequency? In case of inter-frequency or inter-rat handover only 5. enb configures UE with relevant MeasConfig with optional PCI range for autonomous SI reporting Y 6. UE performs cell search/ measurements and best effort SI reading using natural gaps N 7. SI ready when MR (e.g., Event A3) is triggered? 8. UE sends MR with likely/ unlikely indication 9. enb configures UE to perform SI reading Y Common for all cases 10. UE performs SI reading using autonomous gaps 11. UE sends MR with CGI, TAI and member/ non-member indication (NW initiated SI reporting) 12. UE sends MR with CGI, TAI and member/ non-member indication (autonomous SI reporting) 13. NW decision to perform HO End proximity indication likely/unlikely Proximity indication R Scope of Proximity Indication Vodafone R CSG inbound handover - proximity indication NTT DOCOMO R Some open issues of proximity indication for HeNB Huawei proximity indication UE fingerprint match non-serving frequency CSG/hybrid cell UE frequency measurement configuration UE proximity indication enb enb configure measurement inter-freq inter-rat enb configure measurement configuration UE proximity indication ; intra-freq inbound handover measurement configuration proximity indication intra-freq 37

39 Likely/unlikely R Clarification on measurement parameters in LTE inbound mobility Huawei R Clarification on Inbound handover procedure to CSG and hybrid cell Alcatel-Lucent Likely/unlikely member cell indication optional UE measurement report event trigger UE SI(System Information) SI reading UE measurement report indicate measured cell likely/unlikely member cell ( / ) unlikely to be a member cell UE measurement proximity indication likely/unlikely Likely/unlikely indication UE measurement indication proximity indication intra-freq proximity indication network UE SI agreement proximity indication likely/unlikely Agreements Proximity is used for intra-, inter-freq and inter-rat (intra-freq UMTS case is FFS). Based on this proximity the network will e.g. know it might be important to ask for SIreading for reported closed cells. Will not have the likely/unlikely indication : UE SI reading/reporting Autonomous SI reading/reporting R CSG inbound handover - way forward NTT DOCOMO R Proposals on open issues for CSG inbound mobility Qualcomm Europe UE Qualcomm autonomous reporting autonomous reading Ericsson baseline solution network UE SI reading UE proprietary autonomous SI reporting Rel. 9 Agreement: Will not have UE autonomous SI reporting 38

40 Start 1. enb configures UE with proximity indication control 2. UE detects fingerprint match for a cell on non-serving frequency N 4. UE sends proximity indication 3. MeasConfig exists for the concerned frequency? In case of inter-frequency or inter-rat handover only 5. enb configures UE with relevant MeasConfig Y 6. UE performs cell search/ measurements 7. UE sends MR (e.g., due to triggered Event A3) 8. enb configures UE to perform SI reading 9. UE performs SI reading using autonomous gaps Common for all cases 10. UE sends MR with CGI, TAI and member/ non-member indication (NW initiated SI reporting) 11. NW decision to perform HO End fingerprint scanning/matching UE implementation issues 39

41 RAN1 Meeting: 3GPP RAN1 (Reference Signal, RS) IEEE 16m R CSI-RS discussion 10 Q1. PRB RE CSI-RS Q2. PRB RE CSI-RS Q3. CSI-RS inter-prb multiplexing i.e., CSI-RS PRB R GPP RAN1 (Rel-8) (Rel-10) IEEE 16m 3GPP RAN1 Rel-8 Cell-Specific RS (CRS) (Common RS) 16m (overhead) 3GPP wayforward working assumption IP 3GPP RAN1 RAN2 Meeting: LTE RAN2#68 LTE Rel-9 MBMS (value range) open 3GPP RAN2 SIB13 SIB13 MBMS system information SIB13 MBMS system information SIB13 configuration 3GPP HeNB inbound mobility agreements HeNB inbound handover HeNB inbound mobility 40

42 mail discussions 41

43 3GPP LTE RAN2#68 (9 November-13 November 2009) Jeju, Korea R Further discussion on DSI for LTE MBMS CMCC, Alcatel-Lucent Shanghai Bell, Alcatel-Lucent, CATT, HTC, Huawei, ITRI, ZTE, RAN2#68, Accepted R Discussion of DRX scheduling selection in Carrier Aggregation ITRI, RAN2#68, Posted R Discussion of DRX Scheduling in Carrier Aggregation ITRI, RAN2#68, Posted R SR prohibit mechanism for UL SPS Panasonic, Qualcomm Europe, Nokia Siemens Network, Nokia Corporation, LG Electronic Inc., CATT, HT mmobile Inc., ITRI, MediaTek, Newpostcom, HTC, Hitachi, Interdigital, RAN2#68, Accepted R SR prohibit mechanism for SPS Panasonic, Qualcomm Europe, Nokia Siemens Network, Nokia Corporation, Ericsson, ST-Ericsson, LG Electronics Inc., CATT, HT mmobile Inc., ITRI, MediaTek, Newpostcom, HTC, Hitachi, Deutsche Telekom, Fujitsu, Interdigital, RAN2#68, Accepted R SR prohibit mechanism for SPS Panasonic, Qualcomm Europe, Nokia Siemens Network, Nokia Corporation, LG Electronic Inc., CATT, HT mmobile Inc., ITRI, MediaTek, Newpostcom, HTC, Hitachi, Deutsche Telekom, Fujitsu, Interdigital, RAN2#68, Accepted 42