By Topic

Outage Performance of Half-Duplex Cooperative Relay Networks Using Rateless Codes

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Weiliang Zeng ; Dept. of Electron. Eng., Tsinghua Univ., Beijing, China ; Yukui Pei ; Youzheng Wang ; Jianhua Lu

We propose a new cooperative transmission scheme, Opportunistic Fountain (OF), based on rateless codes for half-duplex relaying. In the proposed scheme, only the most appropriate relay is permitted to forward the message using rateless codes, thus as an orthogonal transmission protocol, our scheme does not need to synchronize among distributed relays. Furthermore, the transmitted information can also be heard and used even by relay nodes that fail to accumulate sufficient mutual information. As a result these nodes can decode the information faster, enlarging the transmitter candidate set (TCS), in which the best relay is selected. We first analyze the simplified one-relay version of the proposed protocol, and present closed-form expressions for the outage probability. The analysis reveals that the proposed scheme can achieve a gain of about 2 dB over the traditional method, which is supported by extensive simulations. We then evaluate the protocol performance for larger network sizes through Monte Carlo simulation, which confirms the benefits of the scheme. I.

Published in:

2009 5th International Conference on Wireless Communications, Networking and Mobile Computing

Date of Conference:

24-26 Sept. 2009