Title :
Throughput performance of SAW-ARQ protocol with adaptive packet length in mobile packet data transmission
Author :
Hara, Shinsuke ; Ogino, Akira ; Araki, Makoto ; Okada, Minoru ; Morinaga, Norihiko
Author_Institution :
Fac. of Eng., Osaka Univ., Japan
fDate :
8/1/1996 12:00:00 AM
Abstract :
In a noncellular or large cell-size mobile radio communication system, log-normal shadowing as well as Rayleigh fading becomes the predominant source of system degradation. This paper proposes an efficient stop and wait automatic repeat request (SAW-ARQ) protocol with adaptive packet length to provide reliable mobile data packet transmission. The adaptive SAW-ARQ protocol controls the transmitting packet length according to the time-varying channel condition estimated with the number of ACK (acknowledgment packet) and NACK (negative-acknowledgment packet). Computer simulation results show that the proposed protocol can achieve high throughput and reduce the number of retransmission effectively for slow and fast Rayleigh fading/log-normal shadowing conditions
Keywords :
Rayleigh channels; adaptive systems; automatic repeat request; cellular radio; data communication; fading; land mobile radio; packet radio networks; SAW-ARQ protocol; acknowledgment packet; adaptive packet length; cellular radio; computer simulation results; fast Rayleigh fading; large cell size; log-normal shadowing; mobile packet data transmission; mobile radio communication system; negative-acknowledgment packet; slow Rayleigh fading; stop and wait automatic repeat request; system degradation; throughput performance; time-varying channel; Adaptive control; Automatic control; Automatic repeat request; Degradation; Land mobile radio; Programmable control; Protocols; Rayleigh channels; Shadow mapping; Throughput;
Journal_Title :
Vehicular Technology, IEEE Transactions on
