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Method and apparatus for connecting devices via an ad hoc wireless communication network

A technology of wireless communication and channel connection, applied in the field of communication network

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

AI Technical Summary

Problems solved by technology

Thus, when two Bluetooth devices are powered up, it may take several seconds to establish a link between the two devices

Method used

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  • Method and apparatus for connecting devices via an ad hoc wireless communication network
  • Method and apparatus for connecting devices via an ad hoc wireless communication network
  • Method and apparatus for connecting devices via an ad hoc wireless communication network

Examples

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Embodiment Construction

[0042] The invention is described below in the context of a practical application in which two Bluetooth-enabled devices or nodes attempt to automatically establish a point-to-point communication connection between each other. However, it should be understood that the present invention is not limited to this or any particular communication link application. Rather, in accordance with the principles set forth herein, the methods and devices of the present invention are broadly applicable to connecting virtually unlimited devices and / or nodes in an ad hoc wireless network.

[0043] According to one aspect of the present invention, figure 2 Illustrated is an aggregate "alternate" state 200 that is preferably used in order to provide a symmetric connection establishment protocol without employing any pre-assignment of roles that would normally be performed. Those skilled in the art can implement the alternate state 200 using, for example, the program commands and / or routines defi...

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PUM

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Abstract

A method for connecting two or more devices via a wireless communication channel is provided. In one embodiment, a method of connecting a first device to a second deviceincludes the steps of arbitrarily assigning one of twopossible states to each device, wherein in a first state, a device seeks to establish a connection with another device, and in a second state, the device renders itself available for connection with the other device; and alternating a present state of each device between the first state and the second state in accordance with a predefined probability distribution until either a predetermined timeout period has expired or a connection between the devices has been established, the length of time that each device remains in the first and second states being controlled by the probabilitydistribution. In a second embodiment, a method of forming a scatternet between a plurality of devices or nodes in an ad hoc wireless communication network is provided.

Description

technical field [0001] The present invention relates to communication networks, and more particularly to methods of connecting two or more devices in an ad hoc wireless communication network. Background technique [0002] Bluetooth is a new technology developed as a short-range (about 10 meters) wireless cable replacement for linking portable consumer electronics such as cell phones, headsets, PDAs, and laptops, but it is also suitable for Fax machines, printers, toys, digital cameras, home appliances, and virtually any other digital consumer product or application. The technology essentially provides a mechanism for forming a small wireless network between Bluetooth-equipped devices based on ad hoc organization. It can also be used as a wireless communication bridge to existing data networks. Current Bluetooth implementation efforts generally focus on point-to-point client-server applications, such as dial-up networking profiles, headset profiles, and local area network (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04B7/24H04L12/56H04L29/08
CPCH04W84/00H04W48/16H04W84/18H04L12/28
Inventor 特奥多罗斯·萨洛尼迪斯普拉文·布哈格瓦特理查德·O·拉麦勒
Owner WISTRON CORP
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