Hirohisa GAMBE

An Improved Sliding Window Algorithm for Max-Log-MAP Turbo Decoder and Its Programmable LSI Implementation
Hirohisa GAMBE Yoshinori TANAKA Kazuhisa OHBUCHI Teruo ISHIHARA Jifeng LI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/03/01
Vol. E88-C  No. 3  pp. 403-412
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
turbo coding, MAP algorithm, Max-Log-MAP, sliding window, 
 Summary | Full Text:PDF
A Low Power Programmable Turbo Decoder Macro Using the SOVA Algorithm
Hirohisa GAMBE Kazuhisa OHBUCHI Teruo ISHIHARA Takaaki ZAKOJI Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/04/01
Vol. E87-C  No. 4  pp. 510-519
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power System LSI, IP and Related Technologies)
Category: 
Keyword: 
turbo coding, SOVA, Viterbi algorithm, trace back, MAX-LOG-MAP, sliding window, 
 Summary | Full Text:PDF
CODEC Hardware Engines for a Low-Power Baseband DSP Macro
Hirohisa GAMBE Teruo ISHIHARA Yasuji OTA Norichika KUMAMOTO Yoshio KUNIYASU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 2123-2135
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
CODEC, DSP, PDC, PSI-CELP, digital cellular phone, 
 Summary | Full Text:PDF