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ETRI journal v.27 no.1, 2005년, pp.43 - 52  

Adaptive Radio Resource Allocation for a Mobile Packet Service in Multibeam Satellite Systems

Lim, Kwang-Jae    (Digital Broadcasting Research Division, ETRI   ); Kim, Soo-Young    (Division of Electronics & Information Engineering, Chonbuk National University   ); Lee, Ho-Jin    (Digital Broadcasting Research Division, ETRI  );
  • 초록

    In this paper, we introduce an adaptive radio resource allocation for IP-based mobile satellite services. We also present a synchronous multibeam CDMA satellite system using an orthogonal resource sharing mechanism among downlink beams for the adaptive packet transmission. The simulation results, using a Ka-band mobile satellite channel and various packet scheduling schemes, show that the proposed system and resource allocation scheme improves the beam throughput by more than two times over conventional systems. The simulation results also show that, in multibeam satellite systems, a system-level adaptation to a user's channel and interference conditions according to user locations and current packet traffic is more efficient in terms of throughput improvement than a user-level adaptation.


  • 주제어

    Multibeam satellite .   mobile radio .   adaptive allocation .   radio resource .   packet transmission.  

  • 참고문헌 (12)

    1. A Framework for Uplink Power Control in Cellular Radio Systems , Yates, Roy D. , IEEE J. Select. Areas Commun. / v.13,pp.1341-1347,
    2. Statistical Modeling of the LMS Channel , Perez Fontan, Fernando;Vazquez-Gastro, Maryan;Enjamio Cabado, Cristina;Pita Garcia, Jorge;Kubista, Erwin , IEEE Trans. Veh. Technol. / v.50,pp.1549-1567,
    3. Physical Layer Aspects of UTRA High Speed Downlink Packet Access, Technical Report 25.848 , Third Generation Partnership Project (3GPP) , / v.,pp.,
    4. On Antenna Design and Capacity Analysis for the Forward Link of a Multibeam Power Controlled Satellite CDMA Network , Javier, Romero-Garcia;De Gaudenzi, Riccardo , IEEE J. Select. Areas Commun. / v.18,pp.1230-1244,
    5. Downlink Radio Resource Allocation for Multibeam Satellite Communications , Lim, Kwang-Jae;Kim, Soo-Young , Electron. Lett. / v.39,pp.871-872,
    6. Dynamic Spreading Gain Control in Multiservice CDMA Networks , Oh, Seong-Jun;Wasserman, Kimberly M. , IEEE J. Select. Areas Commun. / v.17,pp.918-927,
    7. Resource Allocation for Multiple Classes of DS-CDMA Traffic , Kim, Joon-Bae;Honig, Michael L. , IEEE Trans. Veh. Technol. / v.49,pp.506-519,
    8. Impact of Radio Resource Allocation Policies on the TD-CDMA System Performance: Evaluation of Major Critical Parameters , Calin, Doru;Areny, Marc , IEEE J. Select. Areas Commun. / v.19,pp.1847-1859,
    9. Medium Access and Radio Link Control Algorithms for Mobile Multimedia CDMA , Lim, Kwang-Jae;Kwak, Kyung-Sup;Kim, Seog-Gyu;Park, Sun , J. Communications and Networks / v.1,pp.,
    10. Providing Quality of Service over a Shared Wireless Link , Andrews, Matthew(et al.) , IEEE Commun. Mag. / v.,pp.153-154,
    11. A Power-Sharing Multiple-Beam Mobile Satellite in Ka Band , Egami, Shunichiro , IEEE J. Select. Areas Commun. / v.17,pp.145-152,
    12. Approximating the Outage Probability of the Pilot Channel for IS-95-Based Cellular CDMA Systems in the Soft Handover Region , Park, Seung-Keun;Cho, Pyung-Dong;Park, Ki-Shik;Cho, Kyung-Rok , ETRI J. / v.25,pp.523-526,

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