Method and wireless terminal for mitigating downlink interference

Method and wireless terminal for mitigating downlink interference

A wireless device (UE1) transmits downlink interference-related information to a transmission point (TP1). The wireless device (UE1) generates this information by listening (604) to reference signals associated with a first reference signal resource (TP1) as well as with a second reference signal re...

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1. Verfasser: KRISHNAMURTHY SANDEEP H
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator KRISHNAMURTHY SANDEEP H
description A wireless device (UE1) transmits downlink interference-related information to a transmission point (TP1). The wireless device (UE1) generates this information by listening (604) to reference signals associated with a first reference signal resource (TP1) as well as with a second reference signal resource (TP2). The wireless device (UE1) uses these reference signals to estimate a first channel matrix relating to the first reference signal resource and a second channel matrix relating to the second reference signal resource. Using the estimated first and second channel matrices, the wireless device (UE1) derives (605) a pair of precoding matrices. Precoding matrix indicators representing the precoding matrix pair are sent (606) to the transmission point (TP1).
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title Method and wireless terminal for mitigating downlink interference
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