Ad-hoc communication network and method

A communication network and wireless self-organizing technology, applied in wireless communication, network topology, network connection, etc., can solve the problem of reconfiguration for a long time, and achieve the effects of flexible use, reduced operating loss, and good dynamic characteristics

Inactive Publication Date: 2007-04-11
MOTOROLA INC
View PDF0 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reconfiguration of the network may take a relatively long time, and unknown locations may only be resolved with broad paging

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Ad-hoc communication network and method
  • Ad-hoc communication network and method
  • Ad-hoc communication network and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] Hereinafter the term "Home Location Register" (HLR) refers to a database containing configuration and location information about all subscribers belonging to a particular node or nodes. One HLR can cover more than one node.

[0041] Hereinafter the term "Visitor Location Register" (VLR) refers to a database containing information of subscribers running in a particular node and holding pointers to individual HLRs (ie the HLRs to which subscribers listed in the VLR belong). Each node in the network is assigned a separate VLR.

[0042] Hereinafter the term "lookup table" refers to a table that is replicated to each node and separates the individual and group address space into blocks, each block is then assigned to a node, i.e., identifies the correct HLR for each block . Since each node has the same table, if a user (or group member) registers at any node, that node can immediately know which node contains the HLR for that user (or group).

[0043] The following descri...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

A method of controlling location information of subscribers (210, 212, 222) in a wireless, ad-hoc communications network (200). The network (200) comprises a plurality of nodes (204, 216, 226), wherein at least portion of said nodes are provided with Home Location Registers (HLRs) (206, 218, 228) and each of said nodes (204, 216, 226) has a Visitor Location Register (VLR) (208, 220, 230). When an operation of a first node (216) is to be reconfigured at least a part of records from a first HLR (218) assigned to said first node (216) are transferred to at least one of the other nodes (226) of the network (200).

Description

technical field [0001] The present invention relates to a system and method for controlling user location information, in particular, but not exclusively, to controlling user location information in a TETRA (Terrestrial Trunked Radio) cellular communication system. Background technique [0002] In cellular communication systems, such as Global System for Mobile Communications (GSM) and TETRA (Terrestrial Trunked Radio), a geographical area is divided into a number of cells, each cell being served by a base station. A base station, also called a base transceiver station (BTS) with a switching infrastructure, is considered a node of the network. The switching infrastructure supporting a BTS can be shared with other BTSs. The system infrastructure in the TETRA system generally refers to the Switching and Management Infrastructure (SwMI), which basically includes all communication elements except the MS. This includes Base Transceiver Stations (BTS) connected to the convention...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/00H04L12/66H04M3/42H04Q7/20H04B7/00H04N7/16H04N7/173H04L12/28H04W8/04H04W8/06H04W8/12
CPCH04W8/06H04W8/12H04W8/04H04L12/28H04W8/08H04W84/18
Inventor 纳娜·斯瓦内·泰森斯文德·弗兰德森戴维·约翰·蔡特-莱亚斯蒂恩·彼得森
Owner MOTOROLA INC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap