Resource allocation for amplify-and-forward relay networks with differential modulation

Woong Cho; Liuqing Yang

doi:10.1109/GLOCOM.2007.321

Resource allocation for amplify-and-forward relay networks with differential modulation

Woong Cho
, Liuqing Yang

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Scopus citations

Abstract

The optimum resource allocation in relay networks has been treated as an important problem to improve the error performance and increase the energy efficiency. In this paper, a two-dimensional resource allocation, i.e., the energy optimization and location optimization, is carried out based on the average symbol error rate (SER) for the system with and without a direct link. Differential modulation which bypasses the channel estimation at the transceiver is investigated using amplify-and-forward protocol for the system with multiple relays. The benefits of optimization are validated by the analytical and simulated comparisons. We also show that the minimum error rate can be achieved via the joint energy-location optimization.

Original language	English (US)
Title of host publication	IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings
Pages	1668-1672
Number of pages	5
DOIs	https://doi.org/10.1109/GLOCOM.2007.321
State	Published - 2007
Externally published	Yes
Event	50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007 - Washington, DC, United States Duration: Nov 26 2007 → Nov 30 2007

Publication series

Name	GLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference	50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007
Country/Territory	United States
City	Washington, DC
Period	11/26/07 → 11/30/07

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Publisher link

10.1109/GLOCOM.2007.321

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Resource allocation for amplify-and-forward relay networks with differential modulation. / Cho, Woong; Yang, Liuqing.
IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings. 2007. p. 1668-1672 4411231 (GLOBECOM - IEEE Global Telecommunications Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Cho, W & Yang, L 2007, Resource allocation for amplify-and-forward relay networks with differential modulation. in IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings., 4411231, GLOBECOM - IEEE Global Telecommunications Conference, pp. 1668-1672, 50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007, Washington, DC, United States, 11/26/07. https://doi.org/10.1109/GLOCOM.2007.321

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AB - The optimum resource allocation in relay networks has been treated as an important problem to improve the error performance and increase the energy efficiency. In this paper, a two-dimensional resource allocation, i.e., the energy optimization and location optimization, is carried out based on the average symbol error rate (SER) for the system with and without a direct link. Differential modulation which bypasses the channel estimation at the transceiver is investigated using amplify-and-forward protocol for the system with multiple relays. The benefits of optimization are validated by the analytical and simulated comparisons. We also show that the minimum error rate can be achieved via the joint energy-location optimization.

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Resource allocation for amplify-and-forward relay networks with differential modulation

Abstract

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Conference

UN SDGs

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