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Title:
OFDMAシステムおよび方法
Document Type and Number:
Japanese Patent JP4912878
Kind Code:
B2
Abstract:
A cellular wireless system using a single frequency OFDMA channel. Base stations include means for synchronization in frequency and time for control purposes. The synchronization means include same Frame numbers and slot index and same reference clock. In a cellular wireless system using a single frequency OFDMA channel, wherein base stations include means for synchronization in frequency and time for control purposes, a method for organizing data and pilots into sub-channels comprising pilots allocations among BSs. The method may further include taking the variable pilots and performing the allocation while shifting through time.

Inventors:
Hadad, Zion
Application Number:
JP2006516811A
Publication Date:
April 11, 2012
Filing Date:
June 20, 2004
Export Citation:
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Assignee:
Hadad, Zion
International Classes:
H04J11/00; H04L5/02; H04W16/02; H04W16/14; H04W56/00; H04W72/04; H04W76/00; H04W92/00; H04W92/12; H04W52/42; H04B
Domestic Patent References:
JP2002223479A2002-08-09
JPH11178036A1999-07-02
JP2000078651A2000-03-14
Foreign References:
WO2003034642A22003-04-24
Attorney, Agent or Firm:
▲吉▼川 俊雄
Hideto Asamura
Hajime Asamura
Hayashi Zouzo
Kuniaki Shimizu