发明名称 METHOD AND APPARATUS FOR CHANNEL FEEDBACK BY MULTIPLE DESCRIPTION CODING IN A WIRELESS COMMUNICATION SYSTEM
摘要 A communication system comprises evolved base nodes (eNBs) communicating via an over-the-air (OTA) link with low mobility user equipment (UE). A network can utilize the eNBs for cooperative beam shaping for interference nulling based upon a number of factors UE (e.g., coordinated multi-point (CoMP) optimization for feedback, quality of service (QoS), fairness, etc.). The UE advantageously transmits multiple description coding (MDC) that supports a determination by the eNBs that coherent channel conditions (e.g., frequency and/or time invariance) exists for combining feedback reports to realize reduced quantization error. In addition, the MDC feedback reports still support incoherent channel states in which each report can be used individually for interference nulling/beamforming. MDC can be performed with one codebook or a plurality of codebooks.
申请公布号 US2015195075(A1) 申请公布日期 2015.07.09
申请号 US201514659329 申请日期 2015.03.16
申请人 QUALCOMM Incorporated 发明人 Gorokhov Alexei Yurievitch
分类号 H04L5/00;H04W24/10 主分类号 H04L5/00
代理机构 代理人
主权项 1. A method for wirelessly receiving feedback, comprising: receiving a plurality of feedback reports; decoding multiple description coding of the feedback reports over a plurality of transmission intervals; determining a coherent channel across the plurality of transmission intervals; and combining the plurality of feedback reports for increased feedback accuracy for a coherent channel across the transmission intervals.
地址 San Diego CA US