Title :
Adaptive retransmission and error control in DS-CDMA random access networks
Author :
Ali, Mohammed Z. ; Torlak, Murat ; Kin, J.G.
Author_Institution :
Dept. of Electr. Eng., Texas Univ., Richardson, TX, USA
fDate :
29 Nov.-3 Dec. 2004
Abstract :
An adaptive scheme for packet retransmission and packet. error control in DS-CDMA random access networks is presented. The system provides error correction coding (ECC) by using code redundancy into CDMA data packets and adaptive retransmission control (ARC) by using steady state Markov process. Simulation results show that packet error control can be effectively linked to ARC. A joint adaptation processing on ECC parameter and retransmission probability improves the system capacity significantly. The performance optimization is more feasible in high traffic wireless systems. The results are useful in designing such systems for deployment.
Keywords :
Markov processes; code division multiple access; error correction codes; packet radio networks; packet switching; probability; redundancy; spread spectrum communication; CDMA data packets; DS-CDMA random access networks; ECC; ECC parameter probability; adaptive packet error control; adaptive packet retransmission; adaptive retransmission control; code redundancy; error correction coding; high traffic wireless systems design; joint adaptation processing; packet error control; performance optimization; retransmission probability; simulation; steady state Markov process; system capacity; Adaptive control; Adaptive systems; Control systems; Error correction; Error correction codes; Markov processes; Multiaccess communication; Programmable control; Redundancy; Steady-state;
Conference_Titel :
Global Telecommunications Conference, 2004. GLOBECOM '04. IEEE
Print_ISBN :
0-7803-8794-5
DOI :
10.1109/GLOCOM.2004.1378486
