Accurate derivation of chaos-based acquisition performance in a fading channel
Accurate expressions for sequence acquisition in a chaos-based spread-spectrum system
are derived using the statistical properties of the chaos-based spreading sequences. The …
are derived using the statistical properties of the chaos-based spreading sequences. The …
Spread-spectrum Markovian-code acquisition in asynchronous DS/CDMA systems
T Kohda, Y Jitsumatsu, TA Khan - Proceedings of the 2003 …, 2003 - ieeexplore.ieee.org
SS codes generated by a Markov chain are shown to be superior to LFSR-based codes and
IID codes in asynchronous DS/CDMA systems in terms of the following two common …
IID codes in asynchronous DS/CDMA systems in terms of the following two common …
Code acquisition of Markovian SS codes in a chip-synchronous DS-CDMA system
Y Jitsumatsu, N Eshima, T Kohda - … International Symposium on …, 2003 - ieeexplore.ieee.org
A decorrelator for chip-synchronous DS-CDMA systems using Markovian SS codes, which
makes observed data at each chip-time uncorrelated is proposed in this article. Moreover …
makes observed data at each chip-time uncorrelated is proposed in this article. Moreover …
An analysis of delay-locked loop tracking binary Markovian sequence in the presence of multiple access interference and channel noise
K Nagata, H Fujisaka, T Kamio… - Nonlinear Theory and Its …, 2011 - jstage.jst.go.jp
This paper presents an analysis of delay-locked loops in direct spreading code division
multiple access systems with Markovian spreading sequences. The established analysis …
multiple access systems with Markovian spreading sequences. The established analysis …
[PDF][PDF] Code acquisition in asynchronous DS/CDMA systems, Markov and iid codes in multiuser scenario
TA Khan, N Eshima, Y Jitsumatsu, T Kohda - Proc. Int. Symp. Nonlinear Theory Its … - ieice.org
Already synchronized users' signals are subtracted from the total received signal to aid code
acquisition of new users at the base station of a direct sequence code division multiple …
acquisition of new users at the base station of a direct sequence code division multiple …
[PDF][PDF] Tradeoff between bit error rate and acquisition rate in an asynchronous DS/CDMA system
T Kohda, Y Jitsumatsu - Proc. IEEE Int. Symp. Nonlinear Theory Its Appl., 2002 - ieice.org
One of the recent interesting facts about asynchronous direct sequence/code division
multiple access (DS/CDMA) systems [1][2] is this: spreading sequences (SS) codes …
multiple access (DS/CDMA) systems [1][2] is this: spreading sequences (SS) codes …
[PDF][PDF] Map code acquisition shows superiority of Bologna codes in a class of multiuser CDMA systems
TA Khan, N Eshima, Y Jitsumatsu… - Proc. Int. Symp …, 2005 - researchgate.net
A maximum a posteriori probability (MAP) code acquisition scheme is proposed which
utilizes all the available information by exploiting stochastic properties of spreading codes …
utilizes all the available information by exploiting stochastic properties of spreading codes …
[PDF][PDF] Initial synchronization of spreading sequences in DS/CDMA system
MTA Khan, SN Jehan - Proceedings of the 8th WSEAS international …, 2010 - academia.edu
Bit error rate (BER) and synchronization affect performance of a direct sequence code
division multiple access (DS/CDMA) system. In terms of these criteria, Markov codes are …
division multiple access (DS/CDMA) system. In terms of these criteria, Markov codes are …
A novel code acquisition algorithm and its application to Markov spreading codes
TA Khan, N Eshima, Y Jitsumatsu… - 2005 IEEE International …, 2005 - ieeexplore.ieee.org
In terms of bit error rate (BER) and synchronization performances, Markovian codes are
superior to iid codes in asynchronous mode, for the single-user case. Their BER …
superior to iid codes in asynchronous mode, for the single-user case. Their BER …