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Proceedings Paper

Performance of an adaptive coding scheme in a fixed wireless cellular system working in millimeter-wave bands
Author(s): Shayan Farahvash; Koorosh Akhavan; Mohsen Kavehrad
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Paper Abstract

This paper presents a solution to problem of providing bit- error rate performance guarantees in a fixed millimeter-wave wireless system, such as local multi-point distribution system in line-of-sight or nearly line-of-sight applications. The basic concept is to take advantage of slow-fading behavior of fixed wireless channel by changing the transmission code rate. Rate compatible punctured convolutional codes are used to implement adaptive coding. Cochannel interference analysis is carried out for downlink direction; from base station to subscriber premises. Cochannel interference is treated as a noise-like random process with a power equal to the sum of the power from finite number of interfering base stations. Two different cellular architectures based on using single or dual polarizations are investigated. Average spectral efficiency of the proposed adaptive rate system is found to be at least 3 times larger than a fixed rate system with similar outage requirements.

Paper Details

Date Published: 13 December 1999
PDF: 9 pages
Proc. SPIE 3861, Gigahertz Devices and Systems, (13 December 1999); doi: 10.1117/12.373012
Show Author Affiliations
Shayan Farahvash, The Pennsylvania State Univ. (United States)
Koorosh Akhavan, The Pennsylvania State Univ. (United States)
Mohsen Kavehrad, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 3861:
Gigahertz Devices and Systems
Dwight C. Streit, Editor(s)

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