DocumentCode
2240908
Title
Unequal error protection using multiple block coded modulation
Author
Li, Huan-Beng ; Wakana, Hiromitsu ; Tanaka, Masato
Author_Institution
Commun. Res. Lab., Ibaraki, Japan
Volume
2
fYear
2001
fDate
2001
Firstpage
828
Abstract
We use multiple block coded modulation (MBCM) combined with an unconventional (UC) partition and nonuniformly spaced signal points to provide unequal error protection (UEP). MBCM greatly increases the minimum squared Euclidean distance, which dominates the bit error rate (BER) at large signal-to-noise ratios (SNRs). In comparison, UC partition reduces the number of nearest neighbor codewords, which significantly affects the BER at small SNRs. The nonuniformly spaced signal points are used to adjust the performance tradeoff
Keywords
error statistics; modulation coding; noise; BER; SNR; bit error rate; minimum squared Euclidean distance; multiple block coded modulation; nearest neighbor codewords; nonuniformly spaced signal points; signal-to-nose ratio; unconventional partition; unequal error protection; Bit error rate; Decoding; Error correction codes; Euclidean distance; Modulation coding; Parity check codes; Protection; Signal to noise ratio; Virtual colonoscopy; Viterbi algorithm;
fLanguage
English
Publisher
ieee
Conference_Titel
Info-tech and Info-net, 2001. Proceedings. ICII 2001 - Beijing. 2001 International Conferences on
Conference_Location
Beijing
Print_ISBN
0-7803-7010-4
Type
conf
DOI
10.1109/ICII.2001.983684
Filename
983684
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