Packet-level channel model for wireless OFDM systems

Ruonan Zhang, Lin Cai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

11 Scopus citations

Abstract

In this paper, we develop a novel packet-level channel model for orthogonal frequency-division multiplexing (OFDM) systems over frequency-selective Nakagami-M fading channel. Since the subcarriers are correlated, the Level Cross Rate (LCR) in frequency response is introduced and derived. A complete model including finite state Markov chains in both the time domain and the frequency domain is proposed for the multicarrier system, which models the received signal to noise ratio (SNR) of each subcarrier and further presents the packet error behavior of the OFDM system. This model is useful for upper layer protocol design and analysis over OFDM systems, and it speeds up significantly the simulation for OFDM networks over fading channels. The model is validated by simulations, which confirm that the statistical properties of the frequency-selective fading channel have been maintained in our model.

Original languageEnglish
Title of host publicationIEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings
Pages5215-5219
Number of pages5
DOIs
StatePublished - 2007
Externally publishedYes
Event50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007 - Washington, DC, United States
Duration: 26 Nov 200730 Nov 2007

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007
Country/TerritoryUnited States
CityWashington, DC
Period26/11/0730/11/07

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