Title :
Frequency-hopped spread-spectrum random access with retransmission cutoff and code rate adjustment
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea
fDate :
2/1/1992 12:00:00 AM
Abstract :
A transmission policy for frequency-hopped spread-spectrum random-access communication systems in which the retransmission of a blocked packet at each station is determined as a function of that station´s own collision experience is examined. For stability considerations and for channel throughput increase, the information packet is encoded by a Reed-Solomon code. An equilibrium analysis is used to show that undesirable bistable behaviour can be avoided if packets are rejected after a certain number of transmission attempts and the code rate is adjusted accordingly. The region of code rate and number of transmission attempt pairs that guarantees the network stability are investigated. The packet rejection probability, average packet delay, and maximum stable throughput are evaluated
Keywords :
encoding; frequency agility; satellite relay systems; spread spectrum communication; Reed-Solomon code; average packet delay; channel throughput; code rate adjustment; equilibrium analysis; frequency-hopped spread-spectrum random-access; maximum stable throughput; packet rejection probability; retransmission cutoff; satellite communication; stability considerations; transmission attempts; Cutoff frequency; Delay; Error correction; Error correction codes; Multiaccess communication; Reed-Solomon codes; Spread spectrum communication; Stability; Throughput; Transmitters;
Journal_Title :
Selected Areas in Communications, IEEE Journal on
