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Techniques for AD-HOC mesh networking

一种自组织、网格的技术，应用在数据通信领域，能够解决数据率技术不高效等问题

Active Publication Date: 2007-04-18
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, higher data rate technologies such as WLAN and UWB are generally not efficient for the transfer of network control information

Method used

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  • Techniques for AD-HOC mesh networking
  • Techniques for AD-HOC mesh networking
  • Techniques for AD-HOC mesh networking

Examples

Experimental program
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Embodiment Construction

[0026] I. Operating environment

[0027] Before describing the invention in detail, it is instructive to describe the environment in which the invention may be used. Accordingly, FIGS. 1A-1C are diagrams of an example operating environment involving an ad hoc multi-hop network 100 . Network 100 includes a plurality of nodes 101 . Each node 101 may have a Media Access Control (MAC) address, such as an Internet Protocol (IP) address. Therefore, each node 101 can be represented in the network by its address.

[0028] As shown in FIGS. 1A-1C , communication paths 120 exist between the various nodes 101 . These paths are used for the exchange of data and control information. Each communication path 120 may include multiple links, such as separate control and data links. The data link can be used for the transfer of data related to user applications. The control link may be used to exchange control information about the network 100 and to establish data links. Additionally, t...

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PUM

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Abstract

A wireless communications device includes a first radio and a second radio. The first radio receives information regarding an ad-hoc mesh wireless network from at least one remote device. The second radio exchanges user data with the ad-hoc wireless mesh network. The wireless communications device also includes a buffer and a scheduler. The buffer stores user data for transmission to one or more remote devices in the ad-hoc wireless mesh network. The scheduler schedules transmissions by the second radio of the user data based on the received information. The information received from the remote device may include one or more of the following: configuration information (e.g., topology information) corresponding to the ad-hoc wireless mesh network; routing information; and information regarding communications capabilities of one or more nodes within the ad-hoc wireless mesh network.

Description

technical field [0001] The present invention relates to wireless communications. More specifically, the present invention relates to data communication in mesh networks. Background technique [0002] An ad-hoc network includes multiple devices or nodes exchanging wireless signals. In operation, nodes may enter and leave the vicinity of other nodes. Thus, the composition of an ad hoc network may change over time. Furthermore, the mobility of nodes can lead to changes in various network characteristics, such as topology. Despite the lack of a centralized governing body or existing infrastructure, ad hoc networks are generally able to rearrange themselves in response to such events. [0003] More recently, ad hoc networking techniques have been seen as an attractive technology for implementing mesh networks that provide multipoint-to-multipoint network topologies. In such networks, communication between two devices may occur across one or more intermediate or relay nodes. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/56H04B7/00H04W28/14H04W72/12H04W84/12H04W84/18H04W88/06
CPCH04W88/06H04W72/1215H04W84/18H04W28/14H04W84/12
Inventor 朱尼·科斯米亚·瓦尼奥
Owner NOKIA TECH OY
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