3GPP TSG RAN WG1 #56 WG2 #

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1 3GPP TSG RAN WG1 #56 WG2 #

2 3GPP TSG RAN1/2 Athens, Greece ITRI TW4G RAN1 RAN2 WGs 3GPP LTE-Advanced ITU-R IMT-Advanced 3GPP LTE-Advanced ITU-R Workshops RAN1 LTE-Advanced 3GPP RAN LTE-Advanced TW4G LTE-Advanced 3GPP LTE-Advanced 3GPP LTE LTE Stage 3 PHY Layer MAC RLC PDCP RRC Stage2 Stage 3 M300 (940030) (970349) (950065) (970529) (970666) LTE/LTE-Advanced RAN1/2 3GPP LTE-Advanced 16m Cooperative MIMO System level simulation Attend 3GPP RAN2 Meeting Discuss LTE-Advanced system requirements with other companies Look for unsolved LTE stage 3 issues 3GPP RAN2#63bis Stage 3 3GPP RAN2 Meeting Status and discussion on LTE/LTE-A RRC layer Potential research topics in LTE/LTE-A RRC layer RAN1 RAN2 2

3 :...4 ( )....4 ( )

4 3GPP TSG RAN1 #56 Meeting 3GPP TSG RAN2 #65 Meeting LTE-A HeNB MBMS (RAN1 RAN2) Feb. 9, 2009 ~ Feb. 13, 2009 Grand InterContinential Hotel, Athens, Greece : ( ). RAN1 4

RAN2 : Draft schedule Session 1 Session 2 Session 3 Monday Morning/Afternoon Organisation [2, 3] LTE [5; 6.3; 6.1.4; 6.1.5] UMTS [7] starts from coffee break Monday after late coffee Joint [4] Tuesday LTE [5; 6.

5 RAN2 : Draft schedule Session 1 Session 2 Session 3 Monday Morning/Afternoon Organisation [2, 3] LTE [5; 6.3; 6.1.4; 6.1.5] UMTS [7] starts from coffee break Monday after late coffee Joint [4] Tuesday LTE [5; 6.3; 6.1.4; 6.1.5] UMTS [7] Will split early during the day in CP/UP [6.2] LTE UP [6.1] Wednesday LTE CP [6.2] LTE UP [6.1] UMTS [7] Thursday LTE CP [6.2] LTE UP [6.1] UMTS [7] Friday Reporting LTE CP/UP Left-overs Outgoing LTE liaisons RAN3 : Monday Tuesday Wednesday Thursday Friday session 0 morning sessions morning sessions morning sessions possible possible possible 5

6 1 st session LSs, pre-rel LTE stage 3 LTE stage 2 UTRAN related left overs, 2 nd session 8 CRs revisions maintenance 3 rd session LTE stage 3 LTE stage 3 UTRAN related UTRAN CRs revisions 4 th session CRs 3G HNB CRs (5 th session) evening review evening deep evening deep session (?) review of S1/X2AP review UTRAN (?) specs (?) ( ). RAN1 Meeting (Agenda 6.1) ITRI PUCCH discussion paper (R ) (virtual resource index) PUCCH slot UE RB location slot virtual resource index Higher layer ACK/NACK repetition overheads 4 (Panasonic, Qualcomm ) simulation result not agreed. PUSCH type-2 hopping PUCCH format 1 PDSCH mapping to resource element CR SRS msrs, b SPEC RRC SRS Qualcomm CR n F ( n ) b b SRS (Agenda 6.2) ZTE RV bits HARQ process bits CR (R ) 6

7 RV : RV (0,1,2,3) bitmap HARQ FDD : HARQ process number bitmap HARQ TDD : 7-3, 16 HARQ process number bitmap. ZTE downlink control information CR NDI new data indicator ; RV bits HARQ process bits ZTE, Ericsson, Samsung, Texas Instruments, LGE UCI (uplink control information) HARQ-ACK channel-coding CR (R ) section HARQ-ACK b0, b1 mapping CR b0 codeword-0 ACK/NACK bit, b1 codeword-1 ACK/NACK bit (Agenda 6.3) CR (R ) TDD mode CQI/PMI Np=1ms 213 1ms subframe wideband CQI/PMI, subband CQI/PMI RI R , CATT CMCC RITT TDD mode wideband CQI/PMI reporting instance, RI reporting instances R : Section sounding definition enb message 3 UE SRS transmission with message 3. CATT, Samsung Nokia R R SRS procedure : PRACH format 4 SRS UE UE SRS bandwidth configuration SRS bandwidth UE UE SRS bandwidth cell configure bandwidth overflow UE :UE SRS overflow UE SRS TI R discussion paper ACK/NACK repetition downlink subframe PDSCH subframes n-4, n-3 UE ACK/NACK repetition (n, n+1) (n+1, n+2) subframe UE ACK/NACK repetition n+1 n+2 7

8 n+2 ACK/NACK CR R Samsung R PUSCH power control (j) j SPS/RACH/dynamic-scheduling grant PUSCH type-2 hopping procedure R ms HARQ RTT subband >1 type-2 PUSCH hopping HARQ 8 ms HARQ RTT subband =2 type-2 PUSCH hopping HARQ Qualcomm Europe, Samsung, Motorola SFN hopping 40ms (Agenda 6.4) UE timing offset network locate UE R timing offset measurement 5. COMP in LTE-A RAN Agreement Down Link Reference CATT, CMCC, Ericsson, Huawei, LGE, Motorola, Nokia, Nokia Siemens Networks, Nortel, Panasonic, Philips, Qualcomm Europe, Samsung, Texas Instruments ZTE, CeWIT, Alcatel-Lucent : 8

9 Submit ITU 6. Relay in LTE-A LTE-A High data rate coverage Relay Node Relay Node Donor Cell inband outband Network-to-relay Network-to-UE Inband Outband UE UE Relay Node Non-transparent UE NodeB Relay Node Transparent Relay Node Donor Cell RN Physical Layer ID RRM Donor Cell Rel8 LTE UE RNs Smart repeaters Decode-and-forward relays Layer2 Relays RN 9

10 Physical layer IDs enb RRM UE RN enb RN Rel8 LTE UE Self-backhauling relay (Layer 3 Relay) Type 1 Relay relays Type 1 Inband relaying nodes Cells Physical Cell ID ( LTE Rel-8 enb Physical Layer IDs) Synchronization channels, reference symbols, Cell UE Relay Node Scheduling information HARQ feedback Control channels (SR/CQI/ACK) Relay Nodes Rel-8 UEs Rel-8 enodeb (i.e. be backwards compatible) LTE-Advanced UEs RN Rel-8 enodeb performance RAN2 RAN2 ~ User Plane Control Plane MAC User Plane Control Plane LTE-Advance Technical description template RAN2 technical description,,, Prime Physical Channel structure and multiplexing Mobility management (handover) Radio resource management Scheduler, QOS support and management, data services Radio interface architecture and protocol stack Cell selection Location determination mechanisms Priority access mechanisms Unicast, Multicast and broadcast Privacy, authorization, encryption, authentication and legal intercept schemes 10

11 Contributor Link adaptation and power control Self-organisation RAN Compliance template, ITU-R,, RAN2 否有逹到 IMT-Advanced RAN2 Technical description template Rel-9 LTE-A RAN plenary Rel-9 Rel-8 LTE-A LTE-A Rel-10 Rel-9 Rel-9 Rel-10 R UE MAC Time Alignment Timer expiry RRC PUCCH/ SRS release UE RRC resource CQI Reporting, sounding and scheduling request, and releases CQI-Reporting, soundingrsul-config PUCCH/SRS. R Nokia NSN Random access response UL grant NDI 0 MAC : 1. (#64bis) contributions R R R LG CR(Change Request) R CR R R HARQ process TTI bundling offline discussion discussion R discussion R R R R R R R R R R contributions proposals uplink grant TTI bundling 11

12 spec UE implementation 3. HARQ feedback measurement gap RAN1 RAN1 RAN1 RAN1 R Ericsson contributions R R R R RAN1 RAN2 PHY measurement gap R R HARQ feedback CQI/PMI/RI SRS measurement gap HARQ feedback repetition measurement gap (Annex) 4. NDI grant in Msg2 (R and revised in R ) Msg2 grant UL-SCH Msg3 5. Random Access R R Random Access procedure explicitly signaled ra-preambleindex and ra-prach-maskindex MAC reset random access R R R spec ra-preambleindex UE Msg2 Timing Advance Command TimeAlignmentTimer a UE using a contention based preamble, receiving a TA in Msg2 while the TAT is already running shall ignore this TA value SPEC agreement R semi-persistent scheduling : Acknowledgement for explicit UL SPS release (R R R ) RAN1 RAN2 RAN1 RAN1 RAN1 ACK contributions explicit UP SPS release enb ACK SPS and DRX alignment (R R R R R ) RIM SPS DRX On duration Ericsson Active time enb enb SPS DRX On Duration 12

13 SPS DRX On Duration UE HeNB : 1. HeNB cells R R R contributions HeNB cells R HeNB cell release 8 HeNB cell R enb ID Short (20bits) for non-csg Long (28bits) for CSG release 8 2. HeNB enb CSG R HeNB CSG enb CSG R R enb CSG 3. HeNB HeNB GW 3G HNB HNB GW MME LTE HeNB MME HeNB GW MME R LTE 3G 4. Cell type R cell cell 50m, 200m, 500m, 1000m 3000m R R R m, 2000m, 3000m, 3000m R cell Macro cell, Micro cell, HeNB cell cell offline cell type release 8 verysmall, small, medium, large,... cell type R ,,,,,, 13

14 ,,, LTE-A Relay RAN1 RAN2 L23 Relay RAN2 MAC HARQ process uplink grant TTI bundling SPS DRX On Duration contributions procedure contributions (R ) SPS DRX R R R UE contributions R DRX Long DRX Cycle Short DRX Cycle DRX Long DRX Cycle Short DRX Cycle HeNB RAN3 HeNB RAN3 HNB HNB Ad hoc session HeNB LTE stage 2 HeNB HeNB enb GPP RAN2 (4 posted; 3 treated; 0 accepted) 3GPP-LTE RAN1#56 (9-13 Feb 2009) Athens, Greece (4; 3: 0) R , Interference Randomization Method for PUCCH, ITRI, CHTTL, RAN1#56, Treated R , Indentify Cell Edge Users by Using Maximum RSRP Trigger Threshold in ICIC Operation, CHTTL, ITRI, RAN1#56, Treated 14

15 1.1.3 R , A Hybrid Concept of ICIC and CoMP for LTE-A: Initial Evaluation, CHTTL, ITRI, RAN1#56, Posted R , Way Forward on LTE-A In-band Relaying Alcatel-Lucent, ZTE, CMCC, Fujitsu, ITRI, Mitsubishi Electric, LG Electronics, LG-Nortel, RAN1#56,Treated GPP RAN2 (5 posted; 1 treated; 1 accepted) 3GPP-LTE RAN2#56 (9-13 Feb 2009) Athens, Greece (4; 1: 0) R , Discussion on DL SPS operation in the DRX, ITRI, RAN2#65, Posted R , CR to on DL SPS operation in the DRX, ITRI, RAN2#65, Posted R , CR to on DL SPS operation in the On Duration of DRX, ITRI, RAN2#65, Posted R , CR to on the use of the Long DRX Cycle and the Short DRX Cycle, ITRI, RAN2#65, Treated R , Clarification on Random Access Procedure, ASUSTeK, ITRI, LG Electronics Inc., NTT DoCoMo Inc., Samsung, Accepted 15

3GPP TSG RAN WG1 #57b & WG2 #66b /08/20

3GPP TSG RAN WG1 #57b & WG2 #66b 98 06 28 98 07 05 98/08/20 3GPP TSG RAN1/2 Los Angeles, USA ITRI TW4G RAN1 RAN2 WGs Contribution ITRI Contributions RAN1 RAN2 RAN1 contribution RAN2 3GPP LTE-Advanced 3GPP