Performance on BCH and Convolutional Codes in Direct Sequence Spread Spectrum Packet Radio Networks

Abstract

The performance of forward error correction codes has been well documented in the open literature when the noise is additive, white, and Gaussian. Little or no work exists on the performance of forward error correction codes when the noise is due primarily to multiple access interference. In this paper, we examine the performance of BCH and convolutional codes in a direct-sequence spread spectrum packet radio network. Packet errors are caused by a combination of noise at the receiver and interference between packet transmissions which overlap in time. The interference between packet transmissions produces dependent symbol errors at the output of the demodulator. In our work, we compute first an upper bound on the symbol error probability. Then we use this upper bound to calculate upper bounds on the packet error probability for both BCH and convolutional codes. Our results enable us to compare the performance of BCH and convolutional codes in the presence of multiple access interference.

Notes

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Graduation Date

1989

Semester

Spring

Advisor

Georgiopoulos, Michael

Degree

Master of Science (M.S.)

College

College of Engineering

Department

Electrical Engineering and Communication Sciences

Format

PDF

Pages

58 p.

Language

English

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0027034

Subjects

Dissertations, Academic -- Engineering; Engineering -- Dissertations, Academic

Accessibility Status

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