Near-far effects in land mobile random access networks with narrow-band Rayleigh fading channels

The near-far effect of random access protocols in mobile radio channels with receiver capture is investigated. To this end, the probability of successful reception of a packet from a terminal at a known distance from the central receiver is obtained taking into account Rayleigh fading, UHF propagati...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 1992-02, Vol.41 (1), p.77-90
Main Authors: Linnartz, J.-P.M.G., Hekmat, R., Venema, R.-J.
Format: Article
Language:English
Subjects:
Access protocols
Applied sciences
Attenuation
Equipments and installations
Exact sciences and technology
Land mobile radio
Mobile radiocommunication systems
Multiaccess communication
Probability
Radiocommunications
Rayleigh channels
Receivers
Statistics
Telecommunications
Telecommunications and information theory
Traffic control
UHF propagation
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Summary:The near-far effect of random access protocols in mobile radio channels with receiver capture is investigated. To this end, the probability of successful reception of a packet from a terminal at a known distance from the central receiver is obtained taking into account Rayleigh fading, UHF propagation attenuation, and the statistics of contending packet traffic in radio nets employing slotted ALOHA, carrier sense multiple access (CSMA) or inhibit sense multiple access (ISMA) protocols. Various models of receiver capture are compared, namely packet error rates for synchronous detection in slow- and fast-fading channels, and the probability that the signal-to-interference ratio is above a required threshold.< >
ISSN:0018-9545
1939-9359
DOI:10.1109/25.120148