Adaptive power allocation for repetition based cooperative relay in Nakagami-m fading channel

Reliability of radio link is limited due to path loss, shadowing and multi-path fading, thereby necessitating the use of some type of diversity. Cooperative relaying has gained considerable attention in recent years. Relays cooperates in such a way that they share their antennas and other resources...

Full description

Saved in:
Bibliographic Details
Published inTENCON 2008 - 2008 IEEE Region 10 Conference pp. 1 - 5
Main Authors Katiyar, H., Bhattacharjee, R.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2008
Subjects
Decoding
Digital relays
Diversity reception
ergodic capacity
Fading
MIMO
MRC
Nakagami-m fading
non-linear optimization
potential relay
power allocation
Power system relaying
Radio link
Radio transmitters
special cooperative diversity
Transmitting antennas
Wireless communication
Wireless regenerative relay networks
Online AccessGet full text

Cover

More Information
Summary:Reliability of radio link is limited due to path loss, shadowing and multi-path fading, thereby necessitating the use of some type of diversity. Cooperative relaying has gained considerable attention in recent years. Relays cooperates in such a way that they share their antennas and other resources to create a virtual array through distributed transmission and signal processing. Energy issue for such limited energy wireless relays is important, which spurred a great deal of recent research. In this paper we optimize the capacity of limited energy wireless relay network. This limited energy can be allocated adaptively to any node of relay network, according to the instantaneous channel state information. Through simulation the capacity for such a model is calculated and optimized over the power allocation scheme. This optimization is a convex problem. A general approach for solving such problem has also been outlined.
ISBN:1424424089
9781424424085
ISSN:2159-3442
2159-3450
DOI:10.1109/TENCON.2008.4766379