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Radio base station, mobile station, radio communication system and radio communication method

A technology of radio base station and mobile station, which is applied in the field of radio communication and radio base station, and can solve problems such as delay and shortage of radio resources

Inactive Publication Date: 2010-01-27
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Specifically, if the broadcast interval is short, radio resources are tight
Meanwhile, if the broadcast interval is long, the mobile station waits for the next broadcast timing of the channel descriptor even if it wants to start the ranging process, and as a result, a delay may occur

Method used

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  • Radio base station, mobile station, radio communication system and radio communication method
  • Radio base station, mobile station, radio communication system and radio communication method
  • Radio base station, mobile station, radio communication system and radio communication method

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Embodiment Construction

[0024] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein the same reference numerals refer to the same components throughout.

[0025] figure 1 The radio communication system according to the present embodiment is outlined. The radio communication system has a radio base station 1 and a mobile station 2 . The radio base station 1 is a communication device for performing radio communication with a mobile station 2 . The radio base station 1 and the mobile station 2 perform communication using radio frames obtained by dividing radio resources along a predetermined frequency domain and a predetermined time domain. This radio frame is managed by the radio base station 1 . The radio base station 1 has a receiver 1a and a transmitter 1b.

[0026] The receiver 1a receives a predetermined code from the mobile station 2 using the predetermined area of ​​the radio frame.

[0027] The transmitter 1b bro...

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Abstract

A radio base station for communicating with a mobile station using a radio frame includes a receiver which receives a predetermined code from the mobile station using a predetermined region of the radio frame, and a transmitter which, when the receiver receives the predetermined code, broadcasts structure information indicating a structure of the radio frame.

Description

technical field [0001] The embodiments discussed herein relate to a radio base station, a mobile station, a radio communication system, and a radio communication method, and more specifically, to a radio base station, a mobile station, a radio communication system, and a radio communication method for performing communication using, for example, radio frames . Background technique [0002] In the field of mobile communications, point-to-multipoint (PMP) communication systems are frequently used, in which one radio base station can simultaneously communicate with a plurality of mobile stations. Mobile WiMAX (Worldwide Interoperability for Microwave Access), which is recently discussed as a next-generation mobile communication system, uses an OFDMA (Orthogonal Frequency Division Multiple Access) system as a communication system for realizing point-to-multipoint radio communication. [0003] In the point-to-multipoint mobile communication system, communication is controlled on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W88/02H04W88/08H04W28/10
CPCH04W48/14H04W36/08H04W48/20H04W92/10
Inventor 佐藤直人
Owner FUJITSU LTD