Patent ID: 9379797
Filing Date: 2016-06-28
CPC Classification: H04B,H04L

Claim Text:
1. A multiantenna radio communications method wherein frequency subbands B s , for k=1, . . . , P, are allocated respectively to P user antennas s 1 , . . . , s P belonging to one or more users, from within a total frequency bandwidth B T , and wherein at least one of the user antennas communicates with a base station over its respective frequency subband B s by a signal that has been filtered by time reversal, wherein for at least one pair of user antennas s i and s j , where i,j=1, . . . , P and i≠j, the respective frequency subbands B s and B s overlap by a target overlap amount δB s ,s , the target overlap amount δB s ,s being a function of and based at least in part on the correlation between the respective propagation channels of these two user antennas with the base station, the base station being physically separate from the P user antennas.