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Node structure description and transmission method for heterogeneous wireless network

A technology of heterogeneous wireless network and node structure, applied in wireless communication, network topology, broadcast service distribution, etc., to achieve the effect of efficient routing strategy, reduced overhead, and efficient routing

Inactive Publication Date: 2014-11-26
PLA UNIV OF SCI & TECH
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Problems solved by technology

At present, an efficient method is still needed to describe the structural information of nodes

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  • Node structure description and transmission method for heterogeneous wireless network
  • Node structure description and transmission method for heterogeneous wireless network
  • Node structure description and transmission method for heterogeneous wireless network

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[0033] 1. Determine a unified interface type identification method for the entire network, including interface characteristics such as interface type and sequence. For example, suppose there are two known node channel rates in a heterogeneous wireless network, namely 1Mbps and 11Mbps, and there are three media access control (Media Access Control, hereinafter referred to as MAC) protocols, namely 802.11, carrier sense multiplex Access (Carrier Sense Media Access, CSMA), Time Division Multiplexing (Time Division Media Access, TDMA), then there should be 6 types of interfaces in total, which can be in the order of 802.11, CSMA, TDMA according to the rate from high to low. The 6 types of interfaces are sorted, as shown in Table 1 below. In the table, X+n represents the interface with the MAC protocol X and the channel rate of nMbps.

[0034] Table 1

[0035] Interface Type 802.11+11 CSMA+11 TDMA+11 802.11+1 CSMA+1 TDMA+1 order 1 2 3 4 5 6

[003...

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Abstract

Provided are a node structure description and propagation method for a heterogeneous wireless network. The method describes the structure of each node through a structural vector and a structural matrix, and diffuses once when accessing a network through the structural vector to allow each node to learn the structural information about all of the network nodes, thereby efficiently and accurately describing the structural characteristics of a heterogeneous wireless network and nodes. The method is utilized to calculate the heterogeneous network measures, which can be used as a standard for judging the degree of difficulty of heterogeneous networking, so as to guide the design and protocol implementation of a heterogeneous network and improve the overall networking efficiency. After the structural characteristics of a heterogeneous network are acquired by means of the method, the routing protocol only needs to periodically inform node communication information and no longer of informs of node structural information; and accordingly, a highly efficient routing strategy based on structural description can be designed, and the overhead of routing information is greatly reduced.

Description

technical field [0001] The invention relates to a node structure description and propagation method suitable for heterogeneous wireless networks. The method extracts and analyzes the comprehensive characteristics of the heterogeneous wireless network structure, and describes the structure of each node with the structure vector, so that the structural characteristics of the heterogeneous wireless network can be described efficiently and accurately. The constructed structure vector information is propagated once in the whole network at the beginning of the networking, and the structural information will not be propagated in the subsequent networking protocols. Background technique [0002] The mobile ad hoc network has received extensive attention in the past few years because of its support for mobility, invulnerability, and rapid networking capabilities. Heterogeneous wireless mesh network is the next generation of mobile ad hoc network. Based on mobile ad hoc network, it g...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W40/24H04W84/18
CPCH04W40/24H04W40/246H04W40/248H04W84/18
Inventor 王海董超于卫波米志超屈毓锛郭晓
Owner PLA UNIV OF SCI & TECH
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