Title :
Spatial distributions of traffic in a mobile ALOHA network
Author :
Linnartz, J.P. ; Arnbak, J.C.
Author_Institution :
Fac. of Electr. Eng., Delft Univ. of Technol., Netherlands
Abstract :
In a wide-area mobile ALOHA network, the central receiver in the base station(s) must handle packets with large differences in received power due to propagation effects, such as Rayleigh fading and the near-far effect. Retransmissions of colliding packets result in relatively more traffic being offered to the channel by distant terminals. An integral transform of the probability density function for the received power proves to be a useful tool for analyzing the channel behavior. A smooth weighting function for the interfering traffic is introduced to calculate the spatial distribution of throughput traffic from a given distribution of offered traffic. Iterative numerical computing is applied for the inverse problem: to obtain the distribution of traffic to be offered (including any necessary retransmissions) that yields a prescribed throughput of packet traffic from a given distance
Keywords :
fading; iterative methods; mobile radio systems; packet switching; probability; radio networks; radiowave propagation; telecommunication traffic; Rayleigh fading; colliding packets; integral transform; inverse problem; iterative methods; mobile ALOHA network; near-far effect; packets; probability density function; propagation effects; retransmission; smooth weighting function; spatial traffic distributions; throughput traffic; wide area network; Cellular networks; Channel capacity; Communication system traffic control; Fading; Intelligent networks; Interference; Inverse problems; Rayleigh channels; Telecommunication traffic; Traffic control;
Conference_Titel :
Electrotechnics, 1988. Conference Proceedings on Area Communication, EUROCON 88., 8th European Conference on
Conference_Location :
Stockholm
DOI :
10.1109/EURCON.1988.11168