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基于满意度准则采用混合波束成型预编码的调度方法 被引量：2

A Satisfaction Based Scheduling Scheme with Hybrid Beamforming Precoding
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摘要 为了满足未来无线宽带网络中多种服务质量(QoS)要求业务并存的需求,该文提出一种多天线下行系统中结合混合波束成型预编码技术基于满意度的调度方法。该调度方法联合考虑用户的QoS要求及其信道质量,灵活地使用随机波束成型和迫零波束成型预编码技术,并通过惩罚机制避免特定用户占用超出其需求的带宽,更有效地为用户分配令其满意的资源,使各种QoS要求的用户获得满意的服务。仿真结果证明,与现有的方法相比,该文提出的方法在保证用户服务质量的同时,能更好地利用系统资源。 To meet the requirements of services with various quality of service in future broadband wireless communication systems, a satisfaction based scheduling scheme with hybrid beam.forming strategy in multi-antenna downlink system is presented in this paper. This scheduler schedules users with joint considerations of users＇ QoS requirements and channel quality. The Random beamforming and the Zero-forcing beamforming transmission schemes are selected according to satisfaction criterion. Punishment mechanism is proposed here to avoid users occupying too much more resource than their requirements. Simulation results show that the proposed strategy can guarantee users＇ QoS requirements and exploit radio resource utilization better than that of the existed scheduling methods.
作者 刘涛 邱玲
机构地区 中国科学技术大学个人通信与扩频实验室
出处 《电子与信息学报》 EI CSCD 北大核心 2009年第1期13-17,共5页 Journal of Electronics & Information Technology
基金 国家自然科学基金重大项目(60496314) 国家863计划项目(2006AA01Z266)资助课题
关键词 无线通信 服务质量 满意度准则 多用户调度 随机波束成型 迫零波束成型 Wireless communication Quality of Service （QoS） Satisfaction criterion Multiuser scheduling Random beamforming Zero-forcing beamforming
分类号 TN92 [电子电信—通信与信息系统]
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参考文献9

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同被引文献21

  • 1孙卓,彭木根,王文博.保证混合业务质量的跨层OFDMA资源分配方法[J].北京邮电大学学报,2006,29(6):53-57. 被引量：13
  • 2Liu Xin. Opportunistic scheduling in wireless communication networks[J].Purdue University, 2002.
  • 3Akyildiz I F, Levine D A, Joe I.A slotted CDMA protocol with BER scheduling for wireless multimedia networks[J].IEEE ACM Trans.Net,2000,7(2):913-917.
  • 4Kaneko M, Popovski P and Dahl J.Proprotional fairness in multi-carrier system: upper bound and approximation algorithm[J].IEEE Communications Letters,2006,10(6):462- 464.
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  • 6Rhee Jong-Hun, Holtzman J M, Kim Dong-Ku. Performance analysis of the adaptive EXP/PF channel scheduler n an AMC/TDM system[J].lEEE Communications Letters,2004,8(8):497- 499.
  • 7Hua Hou,Wuyang Zhou,ShengliZhou, et al. Cross-layer Resource Allocation for Heterogeneous Traffics in Multiuser OFDM Based on A New QoS Fairness Criterion[J].lEEE Vehiclular Technology Conference, 2007:1593-1597.
  • 8Yang X,Feng G,Kheong D S C.Call admission con-trol for multiservice wireless networks with band-width asymmetry between uplink and downlink[J].IEEE Transactions on Vehicular Technology,2006,55(1):360-368.
  • 9Liang Y C,Zhang R,Cioffi J M.Transmit optimiza-tion for MIMO-OFDM with delay-constrained and no-delay-constrained traffic[J].IEEE Transactions onSignal Processing,2006,54(8):3190-3199.
  • 10Andrews M,Kumaran K,Ramanan K,et al.CDMAdata QoS scheduling on the forward link with variablechannel conditions,No.10009626000404-05TM[R].Murray Hill:Bell Labs Technical Memorandum,2000.

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电子与信息学报
2009年 第1期

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