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Quality of service support of MAC protocols for multimedia traffic in UTRA

Quality of service support of MAC protocols for multimedia traffic in UTRA

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The effect of multiple access protocols (MAC) on the quality of service (QoS) guarantees has been investigated in order to efficiently handle multimedia traffic within UMTS terrestrial radio access (UTRA). Attention is focussed on a buffered multiple access system assuming a dual mode packet access scheme for joint voice and data transmissions. The performance of the channel assignment protocols has been derived by means of access delay and interference level considering the traffic models of new data services. It follows that a simple slotted ALOHA (S-ALOHA) scheme can be used in a multimedia UTRA system by obtaining acceptable access delays for voice and data users. In particular, it is important to point out the effect of the MAC protocol on the interference level.

Inspec keywords: telecommunication traffic; radio access networks; channel allocation; access protocols; multimedia communication; land mobile radio; quality of service

Other keywords: access delay; UMTS terrestrial radio access; interference level; dual mode packet access; UTRA; multimedia traffic; channel assignment protocol; slotted ALOHA; buffered multiple access system; MAC protocol; voice/data transmission; quality of service

Subjects: Multimedia communications; Mobile radio systems; Protocols; Radio access systems; Subscriber loops

References

    1. 1)
      • T. Wan , A.U. Sheikh . Performance and stability analysis of buffered slotted ALOHA protocols using tagged user approach. IEEE Trans. Veh. Technol. , 2 , 582 - 592
    2. 2)
      • A. Sheik , Y. Yao , S. Cheng . Throughput enhancement of direct-sequence spread spectrum packet radio networks by adaptive power control. IEEE Trans. Commun. , 884 - 890
    3. 3)
      • 3GPP: ‚Technical specification group radio access network; physical layer procedures (FDD)’, TS 25.214, March 2001.
    4. 4)
      • Ruiz-García, M., Burgos Lati, J.E., Romero-Jerez, J.M., Diaz-Estrella, A.: `Multiaccess strategies in an integrated UTRA system', Proceedings of ISCC'2000, 2000, Antibes, France, p. 52–57.
    5. 5)
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