曲文泽, 刘海洋, 亓中瑞, 邱昕, 陈杰. IEEE 802.16e小区搜索算法的VLSI实现[J]. 微电子学与计算机, 2010, 27(2): 26-29,33.
引用本文: 曲文泽, 刘海洋, 亓中瑞, 邱昕, 陈杰. IEEE 802.16e小区搜索算法的VLSI实现[J]. 微电子学与计算机, 2010, 27(2): 26-29,33.
shu
QU Wen-ze, LIU Hai-yang, QI Zhong-rui, QIU Xin, CHEN Jie. VLSI Implementation of Cell Search Algorithm for IEEE 802.16e System[J]. Microelectronics & Computer, 2010, 27(2): 26-29,33.
Citation: QU Wen-ze, LIU Hai-yang, QI Zhong-rui, QIU Xin, CHEN Jie. VLSI Implementation of Cell Search Algorithm for IEEE 802.16e System[J]. Microelectronics & Computer, 2010, 27(2): 26-29,33.
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IEEE 802.16e小区搜索算法的VLSI实现

VLSI Implementation of Cell Search Algorithm for IEEE 802.16e System

    摘要
  • 摘要: 小区搜索是IEEE802.16e系统的关键技术之一.由此提出了一种低复杂度的快速联合小区搜索和整数倍频偏估计算法的VLSI结构.该结构采用差分估计方法, 有效地解决了频率选择性衰落信道对检测性能的影响.详细描述了该结构的各组成单元和设计方法, 并在Altera公司的EP2S130器件上进行了仿真综合验证.验证结果表明, 该模块最高工作频率为103.7MHz, 能够正常应用于IEEE802.16e接收机或其他类似通信系统.

     

    Abstract: Cell search is one of the key technologies in IEEE 802.16e system.In this paper, a new VLSI architecture for a low-complexity fast cell search and integer frequency offset estimation combined algorithm is proposed.The proposed architecture uses the approaches of differential demodulation in frequency domain to compensate for the channel impairments.The composed modules of the architecture are described in detail and the architecture is implemented in an Altera EP2S130 device.Simulation results show that the maximum operating frequency is 103.7MHz, and it can be applied in IEEE 802.16e receiver or other similar communication systems.

     

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