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Títol: An adaptive ISMA-DS/CDMA MAC protocol for third-generation mobile communications systems
Autor: Pérez Romero, Jordi
Agustí Comes, Ramon
Sallent Roig, José Oriol
Altres autors/autores: Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
Editorial: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Matèries: Àrees temàtiques de la UPC::Enginyeria electrònica i telecomunicacions::Radiocomunicació i exploració electromagnètica::Comunicacions mòbils
Mobile communication systems
Access protocols
Adaptive bit rate algorithm
Cellular radio systems
Channel capacity
Code division multiaccess
Congestion control (communication)
Direct sequence systems
Medium access control protocol
Packet transmission mobile radio network
Radio interference
Telecommunication traffic
ISMA-DS/CDMA
Sistemes de comunicacions mòbils
Tipus de document: Article
Descripció: In this paper, an inhibit sense multiple access–direct sequence/code division multiple access (ISMA-DS/CDMA) medium access control protocol for a packet transmission mobile radio network is presented. The main feature of this protocol is its ability to retain the inherent flexibility of random access protocols while at the same time reducing to some extent the randomness in the access in order to increase the system capacity. In this framework, the protocol is presented together with some adaptive mechanisms that improve the protocol performance by means of regulating the access and varying the transmission bit rate according to the channel load that is broadcast by the base station. As a result, an adaptive bit rate algorithm is presented that reaches a throughput value close to the theoretical maximum.
Altres identificadors i accés: An adaptive ISMA-DS/CDMA MAC protocol for third-generation mobile communications systems. IEEE Transactions on Vehicular Technology, 2000, vol. 50, núm. 6, pàg. 1354-1365
0018-9545
http://hdl.handle.net/2117/1922
Disponible al dipòsit:E-prints UPC
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