Title :
Erasure insertion via the ratio-threshold test in frequency-hop multiple-access radio networks with partial-band interference
Author :
Baum, C. ; Pursley, M.
Author_Institution :
Illinois Univ., IL, USA
fDate :
30 Sep-3 Oct 1990
Abstract :
The use of erasure insertion techniques can result in increased coding gains in frequency-hop spread-spectrum communication systems. Viterbi´s ratio threshold test is used with Reed-Solomon codes to determine which code symbols should be erased before decoding. The system performance in partial-band and multiple-access interference environments is analyzed and compared to errors-only decoding and to errors-and-erasures decoding with perfect side information. When interference is strong, large coding gains are observed and error probabilities are reduced by several orders of magnitude
Keywords :
frequency agility; multi-access systems; radio networks; radiofrequency interference; spread spectrum communication; Reed-Solomon codes; Viterbi ratio threshold test; code symbols; coding gains; decoding; erasure insertion; error probabilities; frequency-hop multiple-access; frequency-hop spread-spectrum communication; multiple-access interference; partial-band interference; radio networks; ratio-threshold test; side information; system performance; Decoding; Frequency; Information analysis; Multiple access interference; Performance analysis; Reed-Solomon codes; Spread spectrum communication; System performance; Testing; Viterbi algorithm;
Conference_Titel :
Military Communications Conference, 1990. MILCOM '90, Conference Record, A New Era. 1990 IEEE
Conference_Location :
Monterey, CA
DOI :
10.1109/MILCOM.1990.117487
