Apparatus and method for power allocation in a space...

Details Apparatus and method for power allocation in a space... Apparatus and method for power allocation in a space...

2006-12-20

2010-11-30

Pérez-Gutiérrez, Rafael (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S013400

Reexamination Certificate

active

07843889

ABSTRACT:
Provided is an apparatus and method for power allocation in a Space Division Multiple Access (SDMA) system. The apparatus includes an encoder, an antenna weighting calculator, and an antenna. The antenna weighting calculator divides a transmission power of a Base Station (BS) by number of Mobile Stations (MSs), fixedly distributes the divided transmission powers to the MSs, calculates a surplus power of each MS, sums up the calculated surplus power to thereby calculate a total surplus power, calculates a power per MS needed for an MPR one level higher, determines whether there is an MS whose power needed for a next level MPR is smaller than the total surplus power, and additionally allocates the total surplus power when there is the MS.

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patent: 2007/0173277 (2007-07-01), Yun
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