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System, apparatus, method, and computer program for radio communication

A communication station and communication environment technology, applied in the fields of systems, devices, and computer programs for radio communication, can solve problems such as large communication overhead, and achieve the effects of reducing interference, avoiding channel switching, and overcoming conflicts

Inactive Publication Date: 2006-02-01
SONY GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each communication station often needs to scan for beacons sent from other communication stations, resulting in large communication overhead

Method used

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  • System, apparatus, method, and computer program for radio communication
  • System, apparatus, method, and computer program for radio communication
  • System, apparatus, method, and computer program for radio communication

Examples

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Embodiment Construction

[0105] Embodiments of the present invention will be described below with reference to the drawings.

[0106] According to the present invention, radio waves are used as communication paths, and a network is established with transmission media of a plurality of channels, ie, multi-channel communication stations. The communication is store-and-forward type traffic. More specifically, information is conveyed in packets.

[0107] In known multi-channel communication systems, the channels are the same frequency channel or code channel, and the same channel is usually assigned to a group of communication stations. In contrast, according to a radio communication system of an embodiment of the present invention, a channel is allocated to a communication station per group, thereby reducing the number of communication stations.

[0108] According to an embodiment of the present invention, a packet preamble pattern is created to detect the used channel. If the sending station dynamica...

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PUM

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Abstract

A radio communication system includes a plurality of radio communication stations. Each radio communication station performs a random-access operation in a communication environment having a plurality of available communication channels, and assigns a communication channel on a per packet basis to transmit a packet.

Description

technical field [0001] The present invention relates to a radio communication system, a radio communication device, a radio communication method, and a computer program for communicating between a plurality of radio stations in a local area network (LAN) or a personal network (PAN), and in particular to a method for establishing each radio station among them. Communication stations without a master-slave (slave-master) station relationship perform random access operations based on carrier sense multiple access (CSMA) based on carrier detection or media status monitoring in an autonomous distributed manner Radio communication systems, radio A communication device, a radio communication method, and a computer program. [0002] The invention also relates to a radio communication system, a radio communication device, a radio communication system, a radio communication device, and a radio communication system for establishing an autonomously distributed radio network without the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/00H04L12/28H04W74/08H04W84/18
CPCH04W74/0816H04W52/241H04W84/18
Inventor 藤田千裕迫田和之
Owner SONY GRP CORP
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