NDLI: Position optimisation for multiple mobile relays by utilising one-bit feedback information

Content Provider	IET Digital Library
Author	Xie, Ning Liang, Yuan Chen, Jing Kun
Abstract	This paper investigates the problem of position optimization for multiple mobile relays. The authors propose a new scheme involving multiple mobile relays with fixed orbits to avoid collision risk among the multiple mobile relays and to relax the requirements of the existing approaches, e.g., multiple on-board antennas and complex feedback signals. The proposed scheme exhibits satisfactory performance with low cost and low complexity, as it requires only a single on-board antenna and merely a one-bit feedback signal, which is highly suitable for a scenario in which the source node has limited energy at its disposal, such as in a disaster area. The authors further design three implementation algorithms based on the easy implementation of the proposed scheme. The first algorithm is the simplest one in so far as it utilizes only single positive feedback information, but it exhibits poor performance. The second algorithm achieves better performance by exploiting successive points of negative feedback information. Based on the second algorithm, the third algorithm exhibits the best performance by further exploiting cumulative points of positive feedback information.
Starting Page	2266
Ending Page	2273
Page Count	8
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 18, Nov (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5368
Journal	IET Communications
Publisher Date	2018-08-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Collision Risk Avoidance Complex Feedback Signal Destination Nodes End-to-end Signal-to-noise Ratio Feedback Mobile Antenna Mobile Radio System Multiple Mobile Relay Multiple On-board Antenna One-bit Feedback Information One-bit Feedback Signal Optimisation Optimisation Technique Position Optimisation Relay Network Single Antenna Single On-board Antenna Single Positive Feedback Information Source Node Telecommunication
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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