NDLI: Achievability of the channel reciprocity and its benefit in TDD system

Content Provider	IEEE Xplore Digital Library
Author	Zhihua Shi Qixing Wang Jing Jin Dajie Jiang Guangyi Liu
Copyright Year	2010
Description	Author affiliation: China Mobile Research Institution, Beijing, China (Zhihua Shi; Qixing Wang; Jing Jin; Dajie Jiang; Guangyi Liu)
Abstract	For the shared frequency band between uplink and downlink, the channel reciprocity has been regarded as the most important advantage of a TDD system, in which the eNB can obtain the downlink channel state information (CSI) based on the uplink channel estimation, and thus perform advanced multi-antenna technologies to enhance the downlink transmission in TD-LTE/TD-LTE-Advanced systems. In this paper, the achievability of the TDD channel reciprocity from the product implementation point of view is analyzed and some measurement results of the hardware response difference before and after the antenna calibration have been shown to verify the achievability. Based on the channel reciprocity of TDD system, the performance of Single-User and Multiple-User Beamforming (SU/MU-BF) and Coordinated Multipoint Transmission (CoMP) have been enhanced significantly.
Starting Page	1
Ending Page	4
File Size	1243618
Page Count	4
File Format	PDF
e-ISBN	9780984589333
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	ICST
Subject Keyword	Wireless communication SU-BF Variable speed drives Channel reciprocity Synchronization Channel models MU-BF Shadow mapping CoMP
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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