Wireless communication apparatus, wireless communication method, and computer program

A kind of wireless communication equipment, wireless communication technology, applied in wireless, wireless network wireless communication system, wireless communication equipment field, can solve the problem that it is difficult to apply dedicated network independent distribution system, etc., to improve throughput and efficiently use communication bandwidth Effect

Inactive Publication Date: 2005-02-02
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0036] However, in this case, when the use state of the time slot that has been allocated to the mobile station by the base station is monitored, and if the use rate is equal to or less than a certain threshold, the reservation is canceled and a certain time is required to cancel the reservation gap
[0037] In addition, since a station such as a base station is required for centralized management of mobile stations, it is difficult to apply an autonomous distributed system such as a dedicated network

Method used

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  • Wireless communication apparatus, wireless communication method, and computer program
  • Wireless communication apparatus, wireless communication method, and computer program
  • Wireless communication apparatus, wireless communication method, and computer program

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Embodiment Construction

[0080] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0081] It is assumed in the present invention that a transmission path for current communication is wireless, and a network is constructed between a plurality of communication stations by using a single transmission medium (when links are not separated by frequency channels). However, even in the case where there are a plurality of frequency channels as transmission media, effects similar to those of the present invention can be achieved. Furthermore, it is assumed in the present invention that the current communication is a store-and-deliver type service, and that information is sent in packets.

[0082] The wireless network system according to the present invention has a system configuration without a coordinator, and each communication station basically performs dedicated communication, for example, directly and asynchronously transmits information ac...

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Abstract

Communication bands are effectively allocated to each communication station under a communication environment of an autonomous distributed type system such as an ad-hoc communication. Each communication station acquires a priority slot with which each communication station itself performs data transmission preferentially at predetermined time intervals, and releases or allocates its own priority slot to other communication station in response to a permission form upper layer of a communication protocol based on a fact that the transmission data is not in a buffer. Thereby, it is able to effectively utilize the communication bands, and to improve a throughput of the whole system.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Japanese Priority Application No. 2003-179507 filed with the Japan Patent Office on June 24, 2003, the entire contents of which are incorporated herein by reference. technical field [0003] The present application relates to a wireless communication system, a wireless communication device, a wireless communication method, and a computer program for communicating between a plurality of wireless stations such as in a wireless LAN (Local Area Network), and more particularly, to a wireless communication system for A wireless communication system, a wireless communication device, a wireless communication method, and a computer program that operate a wireless network in which terminals perform direct communication (random access) in an asynchronous mode. In more detail, the present invention relates to a wireless communication system, a wireless communication device, a wireless communicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/38H04B7/00H04B7/212H04B7/26H04L12/28H04W4/00H04W16/02H04W16/26H04W28/14H04W72/04H04W72/10H04W74/04H04W74/08H04W84/12H04W84/18H04W92/18
CPCH04W72/0446H04W84/18H04W72/10H04W28/14H04W72/56
Inventor 西山文浩吉田英正
Owner SONY CORP
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