On the achievable rate of three-node cognitive hybrid wireless networks

Kyounghwan Lee, Aylin Yener

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    6 Scopus citations

    Abstract

    In this paper, we investigate the information-theoretic performance of the multi-band relay channel which is defined by a source node, a relay node, and a destination node communicating over multiple orthogonal bands. The model is motivated by the vision of hybrid wireless networks where links operating with different communication standards relay information from the source to the destination. We consider hybrid wireless networks, with cognitive and agile radios, where bandwidth and power are the shared resources between different systems. We first provide the capacity bounds and find the optimum resource allocation that maximizes the achievable rate for a simple network. Based on the allocation strategy found, we next study the impact of optimum resource allocation on the construction of a hybrid wireless network, in particular, the scenario where a new source to relay and destination band is added to a classical frequency division relay network. Given the channel conditions of the network, we establish the guidelines on how to allocate resources in order to achieve the higher achievable rates, depending on the relative quality of the available links.

    Original languageEnglish (US)
    Title of host publication2005 International Conference on Wireless Networks, Communications and Mobile Computing
    Pages1313-1318
    Number of pages6
    DOIs
    StatePublished - 2005
    Event2005 International Conference on Wireless Networks, Communications and Mobile Computing - Maui, HI, United States
    Duration: Jun 13 2005Jun 16 2005

    Publication series

    Name2005 International Conference on Wireless Networks, Communications and Mobile Computing
    Volume2

    Other

    Other2005 International Conference on Wireless Networks, Communications and Mobile Computing
    CountryUnited States
    CityMaui, HI
    Period6/13/056/16/05

    All Science Journal Classification (ASJC) codes

    • Engineering(all)

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