NDLI: Performance Evaluation with Improved Receiver Design for Asynchronous Coordinated Multipoint Transmissions

Content Provider	IET Digital Library
Author	Cao, Yuan Wen, Yinghong Meng, Xiangyang Xu, Wei
Abstract	Joint transmission is one of the major transmission schemes in Coordinated multipoint (CoMP) transmission/reception systems for Long term evolutionadvanced (LTE-A). Due to different distances between User equipments (UE) and Base stations (BS), signals are not able to arrive at the receiver with perfect synchronization, which implies that the reception at UE is asynchronous. This paper presents an evaluation on asynchronous UE reception in multi-cell downlink joint transmission systems using our LTE-based CoMP simulator. Then, due to asynchronous reception, we propose an improved reception strategy to mitigate the interference which compensate for Rx timing difference on Joint transmission (JT) CoMP systems. Simulation results show that the per-subband global precoding scheme widely used in the CoMP system is considerably sensitive to asynchronous reception since the performance is dominated by the subcarrier used for precoding vector calculation. It is verified that our proposed solution is able to achieve significant improvements under asynchronous reception.
Starting Page	372
Ending Page	378
Page Count	7
ISSN	10224653
Volume Number	25
e-ISSN	20755597
Issue Number	Issue 2, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/25/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2016.03.026
Journal	Chinese Journal of Electronics
Publisher Date	2016-03-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	Asynchronous Coordinated Multipoint Transmissions Asynchronous UE Reception Base Station Code CoMP Transmission-reception System Coordinated Multipoint Transmission-reception System Improved Receiver Design Joint Transmission CoMP System Long Term Evolution Long Term Evolution-advanced LTE-A LTE-based CoMP Simulator Mobile Radio System Multicell Downlink Joint Transmission System Per-subband Global Precoding Scheme Performance Evaluation Precoding Precoding Vector Calculation Radio And Television Transmitters Radio Receiver Radio Stations Radio Transmitters Rx Timing Difference Synchronisation User Equipments
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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