US2010142462A1

4G

Title

PASSIVE COORDINATION IN A CLOSED LOOP MULTIPLE INPUT MULTIPLE OUT PUT WIRELESS COMMUNICATION SYSTEM

Application Number:

US20090561377

Publication Date:

10-06-2010

Current Assignee:

GOOGLE INC

Family ID:

42230971

Application Date:

17-09-2009

Publication Country:

US

View on Espacenet

Priority Date:

09-12-2008

Declaring Company:

MOTOROLA INC

Abstract  Abstract

A system and method for passive coordination of base stations in a closed-loop multiple-input multiple-output wireless communication system includes a first step 400 of allocating a subframe zone to be used by a serving base station and a neighboring base station to provide synchronized communications. A next step 402 includes defining at least one beam combination for the base stations the beam combination to be used over at least one resource block of the allocated zone. A next step 406 includes reporting feedback on measured channel conditions for the zone at a first time for the at least one beam combination and associated resource block of the zone. A next step 408 includes providing synchronized communications using the feedback by the base stations over the zone at a second time by repeating the same associated at least one beam combination and associated resource block of the zone.

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