NDLI: A FFT-window search algorithm for diversity combining in downlink multipoint joint transmission

Content Provider	IEEE Xplore Digital Library
Author	Guolin Sun Feng Ye
Copyright Year	2010
Description	Author affiliation: Huawei Technologies Co.,Ltd., China (Guolin Sun; Feng Ye)
Abstract	In this paper, we consider the downlink of multipoint joint transmission in a multi-cell environment, where all of the base stations involved will be subject to different timing errors. Because a single UE can only be guaranteed synchronization with the transmitter of its serving cell accurately, targeting a practical solution, we consider a measurement based optimization for this problem. In this paper, we firstly analyze the impact of multiple timing errors from the different cooperative cells on the data demodulation performance of the CoMP UEs, especially for edge users. Then we propose a FFT window search method with cognitive measurements for joint transmission, provided with the accurate knowledge on all involved local channel estimation. Simulation results have been provided and show it improves the SINR behind demodulation about 2dB for downlink multipoint joint transmission.
Starting Page	63
Ending Page	67
File Size	1093818
Page Count	5
File Format	PDF
ISBN	9781424458509
e-ISBN	9781424458493
DOI	10.1109/WCINS.2010.5541763
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Base stations Downlink Cognitive radio Multipoint joint transmission Transmitters Search methods Measurement based optimization Diversity reception Channel estimation Timing Performance analysis Demodulation Signal to noise ratio
Content Type	Text
Resource Type	Article

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