Antenna selection in coordinated multipoint communications

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United States of America Patent

PATENT NO 9906287
SERIAL NO

14766514

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Abstract

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An apparatus and method for antenna selection in uplink coordinated multipoint communications, where a plural number of geographically separated antennas are present, forming a plural number of cells. This apparatus and method relates to selecting a PRACH configuration, sharing information regarding the selected PRACH preamble amongst cells; an user equipment, upon receiving instruction from its serving cell, transmits a PRACH preamble. All cells, including serving cell, detects the selected PRACH preamble in the received PRACH transmission transmitted by the user equipment, determining pathloss information regarding the quality of the detected selected PRACH preamble, and selecting a set of cooperative multipoint antennas from the plural number of antennas based on the determined channel quality information for this user equipment. This apparatus and method is also applicable for antenna selection in the case of a single cell with a plural number of geographically separated antennas.

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Patent Owner(s)

Patent OwnerAddress
NOKIA US HOLDINGS INC600 MOUNTAIN AVENUE ROOM 6G-216 MURRAY HILL NJ 07974-0636

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Yinyan Palatine, US 6 73
Yang, Roy Buffalo Grove, US 12 75
Yang, Weidong Hoffman Estates, US 151 870

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