Distributed Generation of Slow-Fading Post-Coding Vectors for LSAS Communication Networks and the Like

摘要

In one embodiment, a cellular wireless communications network, such as a large-scale antenna system (LSAS) network, having multiple base stations is logically divided into overlapping, virtual, truncated networks, where each base station functions as the master of a different truncated network, and each truncated network also has one or more base stations that function as slaves to that master base station. Each master base station generates estimated slow-fading coefficients and a slow-fading post-coding (SFP) vector based only on the wireless units current located within its truncated network. In particular, to generate the SFP vector, the master collects estimated slow-fading coefficients and estimated uplink data symbols from its slaves. The master uses the SFP vector to update its own estimated uplink data symbols for the wireless units currently located within its own cell.

主权项

1. A communication network comprising N base stations, each base station capable of communicating with one or more wireless units within a corresponding cell, wherein:
the network is logically divided into N overlapping, virtual, truncated networks; each base station functions as a master base station for a different one of the N truncated networks; each truncated network comprises a subset of the plurality of base stations, the subset consisting of the master base station and one or more slave base stations; and for each truncated network, the master base station compensates its estimated uplink data for slow-fading characteristics based on slow-fading information received from only the one or more slave base stations.