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Regional and narrow band common reference signal (CRS) for user equipment (UE) relays

專利號
US10791542B2
公開日期
2020-09-29
申請人
QUALCOMM Incorporated（US CA San Diego）
發(fā)明人
Wanshi Chen; Aleksandar Damnjanovic; Juan Montojo
IPC分類
H04W4/00; H04W72/04; H04L5/00; H04W88/04
技術(shù)領(lǐng)域
ue,subframe,enb,crs,may,pdcch,in,enbs,pbch,ues
地域： CA CA San Diego

摘要

Certain aspects of the present disclosure relate to techniques for assigning resources for common reference signal (CRS) transmissions from user equipment (UE) relays. Aspects of the present disclosure provide techniques to use minimum possible resources for transmission of CRS in an attempt to reduce interference, reduce power consumption while providing appropriate reference for channel measurement and demodulation. In an aspect, a wireless node (e.g., a UE relay station) may determine resources for transmission of CRS in a subframe based, at least in part, on a type of one or more channels to be transmitted in the subframe, and may transmit the CRS using the determined resources.

說明書

At the UE 120, antennas 352a through 352r may receive the downlink signals from the eNB 110 and may provide received signals to demodulators (DEMODs) 354a through 354r, respectively. Each demodulator 354 may condition (e.g., filter, amplify, downconvert, and digitize) a respective received signal to obtain input samples. Each demodulator 354 may further process the input samples (e.g., for OFDM, etc.) to obtain received symbols. A MIMO detector 356 may obtain received symbols from all R demodulators 354a through 354r, perform MIMO detection on the received symbols, if applicable, and provide detected symbols. A receive processor 358 may process (e.g., demodulate, deinterleave, and decode) the detected symbols, provide decoded data for the UE 120 to a data sink 360, and provide decoded control information to a controller/processor 380.

權(quán)利要求

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