公开(公告)号：EP2847920A1

公开(公告)日：2015-03-18

申请号：EP13728845.2

申请日：2013-05-08

申请人： Telefonaktiebolaget L M Ericsson (PUBL)

发明人： BALDEMAIR, Robert ,  CHENG, Jung-Fu ,  FALAHATI, Sorour ,  FRENNE, Mattlas ,  LARSSON, Daniel

IPC分类号： H04L5/00 ,  H04W72/04

CPC分类号： H04W24/10 ,  H04L1/0026 ,  H04L1/1671 ,  H04L1/1861 ,  H04L5/003 ,  H04L5/0046 ,  H04L5/0055 ,  H04W28/06

摘要： User Equipment (700) reports single-cell or multi-cell channel state information to a base station (600) on a PUCCH Format 3 resource. The PF 3 resource selected depends on whether ACK/NACK needs to be reported simultaneously. Different coding and/or scrambling and/or Interleaving schemes are used depending on whether ACK/NACK bits are present, as well as the number of ACK/NACK and/or CSI bits. Resource compatibility is maintained independently of the details of coding, interleaving, or scrambling - that is, all formats can be orthogonally multiplexed onto the same time-frequency resources. The format used for CSI only is PUCCH Format 3c (PF 3c) whereas the PUCCH Format used for CSI and ACK/NACK is PUCCH Format 3b (PF 3b). PUCCH Formats 3b and 3c may be further differentiated depending on whether a CSI from a single or multiple cells are reported, or from which cells (PCell, SCeil) an ACK/NACK is reported. Ambiguity may be resolved by using different spreading codes for reference signals In PF 3b and 3c formats.

公开(公告)号：EP2847910A1

公开(公告)日：2015-03-18

申请号：EP13725835.6

申请日：2013-05-08

申请人： Telefonaktiebolaget L M Ericsson (PUBL)

发明人： LARSSON, Daniel ,  CHENG, Jung-Fu ,  ERIKSSON, Erik ,  FRENNE, Mattlas

IPC分类号： H04L1/16

CPC分类号： H04L1/1812 ,  H04L1/1607 ,  H04L1/1861 ,  H04L5/0055 ,  H04L5/14

摘要： In one aspect, the teachings herein provide a system and method for reusing the PUCCH format 3 to address the new HARQ-ACK feedback cases encountered in Rel-11, where different UL/DL configurations are involved in the CA configuration of a UE, such as Rel-11 interband TDD CA with different UL/DL configurations on different bands. The various embodiments illustrated by way of example in this disclosure enable reliable and efficient HARQ-ACK feedback for Rel-11 TDD CA without a substantial increase in specification and implementation complexity.