Invention Grant
- Patent Title: Method and system for multiple antenna communications using multiple transmission modes, related apparatus and computer program product
- Patent Title (中): 使用多种传输模式的多天线通信方法和系统，相关设备和计算机程序产品
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Application No.: US12084134Application Date: 2005-10-27
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Publication No.: US08437712B2Publication Date: 2013-05-07
- Inventor: Bruno Melis , Alfredo Ruscitto , Paolo Semenzato , Renata Mele , Giuseppe Grassano
- Applicant: Bruno Melis , Alfredo Ruscitto , Paolo Semenzato , Renata Mele , Giuseppe Grassano
- Applicant Address: IT Milan IT Milan
- Assignee: Telecom Italia S.p.A.,Pirelli & C. S.p.A.
- Current Assignee: Telecom Italia S.p.A.,Pirelli & C. S.p.A.
- Current Assignee Address: IT Milan IT Milan
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- International Application: PCT/EP2005/011529 WO 20051027
- International Announcement: WO2007/048427 WO 20070503
- Main IPC: H04B1/02
- IPC: H04B1/02 ; H04B7/02
Abstract:
A system for diversity processing a signal propagated via two diversity antennas includes: respective propagation paths for propagating two replicas of the signal, these propagation paths being coupled to the two diversity antennas so that the replicas are propagated via different antennas; a time variable delay element for subjecting at least one of the replicas to a time variable delay; and a level adjusting element, such as an asymmetric splitter, to produce a level imbalance between the power levels of the replicas propagated via the two diversity antennas.
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