Invention Grant
US08416800B2 Multi-carrier allocation using reciprocal nature of uplink and downlink in time division duplex to use just uplink pilots
有权
多载波分配使用上行链路和下行链路在时分双工中的互惠性，仅使用上行链路导频
- Patent Title: Multi-carrier allocation using reciprocal nature of uplink and downlink in time division duplex to use just uplink pilots
- Patent Title (中): 多载波分配使用上行链路和下行链路在时分双工中的互惠性，仅使用上行链路导频
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Application No.: US12300237Application Date: 2007-04-24
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Publication No.: US08416800B2Publication Date: 2013-04-09
- Inventor: Yanmeng Sun
- Applicant: Yanmeng Sun
- Applicant Address: NL Eindhoven JP Osaka
- Assignee: Koninklijke Philips Electronics N.V.,Sharp Corporation
- Current Assignee: Koninklijke Philips Electronics N.V.,Sharp Corporation
- Current Assignee Address: NL Eindhoven JP Osaka
- Priority: CN200610079955 20060511
- International Application: PCT/IB2007/051486 WO 20070424
- International Announcement: WO2007/132365 WO 20071122
- Main IPC: H04L12/43
- IPC: H04L12/43
Abstract:
In order to improve efficiency for sub-carrier allocation in a TDM multi-carrier system, the invention provides a novel frame structure and corresponding method and apparatus. During a centralized short period, each terminal sends a probe message including a predefined sequence to a network device and the network device estimates the channel characteristics for each sub-carrier with respect to each terminal by estimating the received probe message. In this way, sub-carrier allocation can be improved and sub-carriers with good channel characteristics are allocated to appropriate terminals.
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