US2015030097A1PendingUtilityA1

Method and apparatus for subcarrier and antenna selection in mimo-ofdm system

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Assignee: INTERDIGITAL TECH CORPPriority: Aug 12, 2004Filed: Oct 10, 2014Published: Jan 29, 2015
Est. expiryAug 12, 2024(expired)· nominal 20-yr term from priority
Inventors:Fatih M. OzluturkPhilip J. PietraskiAykut Bultan
H04W 52/42H04L 5/0023H04L 5/006H04L 1/0009H04L 5/0025H04L 1/0003H04B 7/046H04L 5/0046H04W 52/262H04L 25/0204H04J 11/00H04B 7/02
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Claims

Abstract

A method and apparatus for radio resources control in a multiple input multiple output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system are disclosed. Radio resources are controlled by producing and applying a respective adaptive modulation and coding to each data stream. Applying a respective transmit power level to that data stream and mapping that data stream to a plurality of antennas. Each of the plurality of data streams are transmitted over different subcarriers, has a different adaptive modulation and coding (AM&C) and a different transmit power than others of the plurality of data streams.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A wireless transmit/receive unit (WTRU) comprising:
 circuitry configured to produce a plurality of data streams;   the circuitry is further configured for each of the plurality of data streams:   to apply a respective adaptive modulation and coding to that data stream, apply a respective transmit power level to that data stream and map that data stream to a plurality of antennas; wherein each of the plurality of data streams are transmitted over different subcarriers.   
     
     
         2 . The WTRU of  claim 1  wherein each of the plurality of data streams has a different AM&C than others of the plurality of data streams. 
     
     
         3 . The WTRU of  claim 1  wherein each of the plurality of data streams has a different transmit power than others of the plurality of data streams. 
     
     
         4 . A method comprising:
 producing, by a wireless transmit/receive unit (WTRU), a plurality of data streams;   for each of the plurality of data streams:   applying, by the WTRU, a respective adaptive modulation and coding to that data stream;   applying, by the WTRU, a respective transmit power level to that data stream; and   mapping, by the WTRU, that data stream to a plurality of antennas;   wherein each of the plurality of data streams are transmitted over different subcarriers.   
     
     
         5 . The method of  claim 4  wherein each of the plurality of data streams has a different AM&C than others of the plurality of data streams. 
     
     
         6 . The method of  claim 4  wherein each of the plurality of data streams has a different transmit power than others of the plurality of data streams.

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