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1. IN1682/KOLNP/2013 - SELF-INTERFERENCE SUPPRESSION IN FULL-DUPLEX MIMO RELAYS

Office India
Application Number 1682/KOLNP/2013
Application Date 28.05.2013
Publication Number 1682/KOLNP/2013
Publication Date 18.10.2013
Publication Kind A
IPC
H04B 7/155
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
155Ground-based stations
H04B 7/04
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
Applicants TELEFONAKTIEBOLAGET LM ERICSSON (publ)
Inventors LIOLIOU, Panagiota
VIBERG, Mats
COLDREY, Mikael
Priority Data 61/409,571 03.11.2010 US
Title
(EN) SELF-INTERFERENCE SUPPRESSION IN FULL-DUPLEX MIMO RELAYS
Abstract
(EN)
A method, and an apparatus, for self- interference suppression in a relay (300) for wireless communication, wherein the relay (300) is arranged for receiving a signal r(n) transmitted from a transmitter (301), and for transmitting a self-interference suppressed transmit signal xr(n) to a receiver (305). The self-interference suppressed transmit signal xr(n) is achieved by determining (402) a receive suppression filter matrix Wr (302), determining a relay amplification matrix G (303), and determining (403) a transmit suppression filter matrix Wt (304), and then applying the suppression filters and the amplification matrix to the received signal r(n).