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Method of CDMA (code division multiple access) EVDO (evolution-data optimized) protocol test

A protocol testing and sector technology, applied in electrical components, wireless communication, etc., can solve problems such as inability to find signals, inability to analyze and track base stations, and high requirements for network protocol testing, and achieve reasonable analysis and testing effects

Inactive Publication Date: 2013-02-06
HANGZHOU WANGRONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] The existing call flow precisely defines the calling method and method, and automatically selects the base station with the best signal such as field strength to connect and call, so it has a better effect on normal calls and other communication services, but for network protocols There are relatively big problems in the test requirements. It is impossible to find the information of base stations with weak or poor signals in the current network, and it is impossible to analyze and track the base stations.

Method used

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  • Method of CDMA (code division multiple access) EVDO (evolution-data optimized) protocol test
  • Method of CDMA (code division multiple access) EVDO (evolution-data optimized) protocol test
  • Method of CDMA (code division multiple access) EVDO (evolution-data optimized) protocol test

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Embodiment

[0036] Embodiment: According to the process of EVDO system access and base station sector selection in the prior art, if a designated base station is to be dialed and tested, it must be able to synchronize to the designated base station to realize this function, and how to synchronize to the designated base station It becomes a technical difficulty in realizing this function, and three difficulties are listed below:

[0037] (1), the mobile station MS cannot obtain the accurate pilot sequence offset Pilot PN of the current pilot when searching for the pilot, and can only obtain the reference pilot sequence offset Pilot PN of the current base station sector (asynchronous pilot sequence offset Shift Pilot PN), that is, the downlink pilot channel of the base station sector can be captured with the current local short code phase, and the EC / IO of the current pilot channel can be obtained, but the precise sector pilot sequence offset Pilot PN is unknown. Therefore, it is impossible...

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Abstract

Aiming at a network optimization test in the existing CDMA (code division multiple access) EVDO (evolution-data optimized) data network, the invention starts from the CDMA EVDO calling flow and artfully analyzes the part which obviously affects the network performance in the original calling flow, and the invention also renewedly defines and controls the flow from the flow control angle to obtain the purposes of reasonably analyzing and testing the network. On the basis of the state machine of the original initiation protocol, a secondary synchronous state machine is introduced in, a mobile station is forced to synchronize with an appointed base station which does not have the strongest signal again; a conversation is built after synchronization succeeds, thus the appointed base station dialing test flow is successful, thus realizing the purposes of dialing and dialing testing for the appointed base station. The method is suitable for all situations of the CDMA EVDO network protocol test.

Description

technical field [0001] The invention relates to the technical field of network optimization testing in a CDMA EVDO data network, and redefines an effective method and means for network analysis and testing according to the difference between a high-speed data network and a traditional wireless network. [0002] Starting from the call flow of CDMA EVDO, the present invention cleverly analyzes the part of the original call flow that has a significant impact on network performance, and redefines and controls the flow from the perspective of flow control to achieve a more efficient network. Reasonable analysis and testing purposes. This method is applicable to all CDMA EVDO network protocol testing situations. Background technique [0003] The rapid development of CDMA mobile communication and the substantial increase in the penetration rate of mobile users place higher and higher requirements on the quality of CDMA networks, especially the introduction of the third-generation ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02
Inventor 刘律卢睿
Owner HANGZHOU WANGRONG TECH
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