Title:
ＤＲＸ時におけるＣＳＩ／ＳＲＳ報告に関するユーザ機器の決定論的な挙動
Document Type and Number:
Japanese Patent JP7133815
Kind Code:
B2
Abstract:
The invention relates to a method for transmitting a periodic channel quality report (CSI) and/or a sounding reference symbol (SRS) from a UE to an eNodeB. To avoid double decoding at the eNodeB in transient phases, a deterministic behavior of the UE is defined by the invention, according to which the eNodeB can unambiguously determine whether the UE will transmit the CSI/SRS or not. According to one embodiment, the UL grants and/or DL assignments received until and including subframe N-4 only are considered; UL grants and/or DL assignments received by the UE after subframe N-4 are discarded for the determination. Additionally, DRX-related timers at subframe N-4 are considered for the determination. In a second embodiment, DRX MAC control elements from the eNodeB, instructing the UE to enter DRX, i.e. become Non-Active, are only considered for the determination if they are received before subframe N-4, i.e. until and including subframe N-(4+k).
Inventors:
Lower Joachim
Suzuki Hidetoshi
Bus-Maric Platique
Suzuki Hidetoshi
Bus-Maric Platique
Application Number:
JP2020081330A
Publication Date:
September 09, 2022
Filing Date:
May 01, 2020
Export Citation:
Assignee:
Sun Patent Trust
International Classes:
H04W24/10; H04B17/24; H04B17/309; H04W52/02; H04W76/28
Foreign References:
| WO2013025147A1 |
Other References:
ZTE Corporation,Remaining issue on CSI and SRS report[online], 3GPP TSG-RAN WG2#79bis R2-124710,2012年10月12日,2節
SAMSUNG,CORRECTION TO REMOVE OPTIONALITY OF CSI/SRS TRANSMISSION DURING TRANSIENT STATE,3GPP TSG-RAN WG2 MEETING #81 (R2-130095),MOBILE COMPETENCE CENTRE,2013年01月17日
SAMSUNG,CORRECTION TO REMOVE OPTIONALITY OF CSI/SRS TRANSMISSION DURING TRANSIENT STATE,3GPP TSG-RAN WG2 MEETING #81 (R2-130095),MOBILE COMPETENCE CENTRE,2013年01月17日
Attorney, Agent or Firm:
Patent Attorney Corporation Washida International Patent Office