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Mixing grid routing protocol

A routing and selection table technology, applied in network topology, electrical components, wireless communication, etc.

Active Publication Date: 2011-10-26
INTERDIGITAL CE PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem solved by the present invention is how to discover and establish the path to the destination node based on the IEEE 802.11 MAC address of the destination node in the wireless local area grid network by the source node

Method used

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Embodiment Construction

[0029] The present invention performs a layer 2 routing function, so packets can be transmitted and forwarded from a source node to a destination node based on IEEE 802.11 MAC addresses. The invention supports on-demand routing and proactive routing at the same time. Also, some nodes can only send or receive data, but cannot forward data originating from other nodes due to processing and battery constraints or other reasons. The present invention can handle these non-forwarding nodes. The routing mechanism of the present invention can be used for client-server application configurations / topologies, peer-to-peer application configurations / topologies, and hybrid application configurations / topologies.

[0030] Hybrid grid on-demand routing is similar to IP layer routing protocol AODV, both based on routing request and routing response messages. For layer 2 hybrid network on-demand routing, when a source node wants to send a packet to some destination nodes, the source node chec...

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Abstract

The invention describes a method in which a node between a source node and a target node builds a route between the source node and the target node through using a media access control address to select the route in a wireless network grid. The invention also describes another method in which the node uses the media access control address to select the route so as to access the multicast group ofthe wireless network grid.

Description

[0001] This application is a divisional application of the Chinese patent application No. 200580048992.4 filed on March 10, 2005, whose invention title is "Hybrid Mesh Routing Protocol". technical field [0002] The present invention relates to a routing mechanism for automatic topology learning and path selection. In particular, the invention relates to routing in a wireless local area mesh network based on media access control addresses. Background technique [0003] A wireless local area mesh network, also known as a wireless LAN-based ad hoc network, consists of two or more nodes interconnected by radio links and communicating with each other directly or indirectly. This network can be connected to the Internet or other networks through portals. In WLANs, IP layer routing protocols have been used to discover routes from source nodes to destination nodes. The IP layer ad hoc routing protocol is based on IP addresses. However, some devices, such as WLAN access points, f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/26H04W84/12
Inventor 刘航李钧绍拉伯·马瑟
Owner INTERDIGITAL CE PATENT HLDG
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