Title:
追加変調を備える時分割多重周波数方式を使用するデータ転送のための方法および装置
Document Type and Number:
Japanese Patent JP4335809
Kind Code:
B2
Abstract:
A method and apparatus for operation in a multi-frequency band wideband system in the presence of an interference, the method comprising the steps: receiving signaling in a plurality of wideband frequency sub-bands, each wideband frequency sub-band having a different center frequency, wherein a bandwidth of each wideband frequency sub-band is at least 2 percent of a center frequency of the wideband frequency sub-band; detecting an interfering signal having signal energy in a portion of a respective sub-band of the wideband frequency sub-bands; modifying at least one of a center frequency and a bandwidth of the respective sub-band in order to operate in the presence of the interfering signal; and instructing a transmitting device transmitting the signaling to transmit subsequent signaling accounting for the modification of the center frequency of the respective sub-band.
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Inventors:
Gerald Dee Rogerson
David S. Fluno
Steven W. Gilling
Michael El. Walker
Jason Elle Ellis
Roberto Aiello
David S. Fluno
Steven W. Gilling
Michael El. Walker
Jason Elle Ellis
Roberto Aiello
Application Number:
JP2004543180A
Publication Date:
September 30, 2009
Filing Date:
February 20, 2003
Export Citation:
Assignee:
General Atomics
International Classes:
H04J3/00; H04L27/00; H04B1/719; H04J1/00; H04L1/08; H04L1/20; H04L5/06; H04L5/26; H04L25/49; H04L27/26; H04L27/28; H04W24/02; H04W72/04; H04W84/10
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe
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