Access control method fusing TD-SCDMA cell phone network and self-organizing network

A code division multiple access and access control technology, applied in connection management, data exchange network, multiplex communication, etc., to achieve the effect of reducing collision rate, high bandwidth utilization, and improving transmission capacity

CN101360339AInactive Publication Date: 2009-02-04PANDA ELECTRONICS GROUP +3
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2009-02-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

A connection controlling method of integrating a time synchronous code division multiple access with a automatic-organizing network belongs to the mobile communication field of the communication technology, based on keeping the unitive air interface of TD-SCDMA honeycomb network physic frame invariable construction, the method is a multi-channel synchronization connecting control method based on the preset pattern and distributing pattern control, the time span resource is divided into the control channel and the data channel by the OVSF (Orthogonal Variable Spreading Factor), thus improving the time span reusability through terminal to terminal status to expose the terminal problem, the method maintains the time span status of node within two jumps time span, and realizes the conflict-free wireless connection within two jumps time span; thereby solving the problems of realizing the conflict-free visit time span and performing the reliable alternation communication under integrating network and multi-communication modes.
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Description

technical field

[0001] The present invention takes the wireless access system (hereinafter referred to as C3G-A: China 3G-Ad Hoc) that integrates TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) cellular network and mobile ad hoc network as the research object, and designs A wireless access control method based on the aforementioned converged network is provided, which belongs to the field of mobile communication in communication technology. Background technique

[0002] The TD-SCDMA cellular system (C3G) adopts a time division duplex (TDD) mode that does not need to pair frequencies, and combines multiple access methods such as FDMA, TDMA, and CDMA. Self-organizing network (Ad HocNetwork) for short, is a multi-hop, dynamic, self-organizing wireless Ad Hoc network temporarily composed of mobile nodes. There is no fixed infrastructure (such as base station, router) in Ad hoc, and its distributed control, self-organization, multi-hop communication and other ...

Examples

Embodiment Construction

[0033] The system model is shown in Figure 1. C3G-A is an extension of the TD-SCDMA system. This extension does not need to modify or improve the TD protocol and the central infrastructure. It only needs to reconfigure the UE structure and implement protocol conversion. The main application scenarios include:

[0034] 1) Ad Hoc networking without cellular signal coverage, mainly used for emergency communication in remote emergency situations or when the communication infrastructure is damaged;

[0035] 2) Ad Hoc networking under full cellular signal coverage, when the physical distance between two nodes is relatively close, they can communicate through the Ad Hoc link, thereby balancing the network load and increasing the system capacity;

[0036] 3) Ad Hoc networking under partial cellular signal coverage, nodes act as relays to enable interactive communication between the ad hoc network and the cellular network, thereby expanding network coverage and improving cellular blind...