Signaling of power information for MIMO transmission in a wireless communication system

Signaling of power information for MIMO transmission in a wireless communication system

Techniques for signaling power information to facilitate channel quality indicator (CQI) reporting are described. A Node B may send power information that may be used by a UE to determine a power per channelization code, POVSF. In one design, the power information includes a power offset between the...

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Hauptverfasser: BLANZ JOSEF J, FERNANDEZ-CORBATON IVAN JESUS
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator BLANZ JOSEF J
FERNANDEZ-CORBATON IVAN JESUS
description Techniques for signaling power information to facilitate channel quality indicator (CQI) reporting are described. A Node B may send power information that may be used by a UE to determine a power per channelization code, POVSF. In one design, the power information includes a power offset between the power of a data channel, PHSPDSCH, and the power of a pilot channel. The Node B may determine PHSPDSCH based on the power available for the data channel, the number of available channelization codes, and a designated number of channelization codes. The UE may determine POVSF based on the power information from the Node B and the designated number of channelization codes. The UE may estimate at least one SINR of at least one transport block based on POVSF, determine CQI information for the transport block(s) based on the SINR, and send the CQI information to the Node B.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title Signaling of power information for MIMO transmission in a wireless communication system
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