Switching method between optical channel and radio channel

A radio channel and optical channel technology, applied in the field of vertical handover, can solve the problems of unsatisfactory handover time, long handover discovery time, excessive use of network capacity stations, etc.

Inactive Publication Date: 2009-01-21
ZTE CORP
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Problems solved by technology

[0013] The technical problem to be solved by the present invention is to provide a switching method between an optical channel and a radio channel to overcome the long switching discovery time in the existing switching method in the prior art, the switching time cannot meet the requirements of real-time multimedia transmission, and shorten the switching time. These disadvantages caused by the time delay lead to excessive use of network capacity stations

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  • Switching method between optical channel and radio channel
  • Switching method between optical channel and radio channel
  • Switching method between optical channel and radio channel

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Embodiment Construction

[0066] The method of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0067] The core idea of ​​the present invention is: when the optical interface is interrupted due to occlusion or the movement of the mobile station, the data carried by the optical interface is quickly switched to the radio interface, and after the optical interface returns to normal, the data that needs to be carried by the optical interface is transferred. Switch back from the wireless interface. According to the transmission code rate required by the quality of service, the resources are comprehensively allocated between the optical interface and the radio interface. The invention also uses the high-level wireless interface to protect the low-level optical interface, so that the unreliable optical interface can transmit real-time multimedia services guaranteed by QOS (Quality of Service, quality of service), and the applicatio...

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Abstract

A method for realizing switch-over between optical channel and radio channel includes setting up correlation of radio channel and optical channel between setting up terminal and switching in point, judging whether optical channel is blocked or not, sending switch over data of optical channel to radio channel, executing switch over of optical channel to radio channel, carrying out detection on switch over of radio channel to optical channel, sending switch over data of radio channel to optical channel and executing switch over of radio channel to optical channel.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a vertical handover method between an optical interface in a lower layer and a wireless interface in an upper layer in the field of wireless communication. Background technique [0002] With the increasing popularity of wireless communication and the increasing demand for bandwidth, the radio (RADIO) spectrum is becoming more and more tight, and new technical means need to be sought to solve the shortage of radio spectrum. Although the optical (OPTICAL) spectrum has the characteristics of fast transmission speed, no RADIO interference and simple implementation in specific environments (such as in-vehicle, indoor), the optical channel is easily blocked and has a small coverage. Therefore, the optical channel cannot guarantee Reliability of mobile terminal communication. How to comprehensively use optical (OPTICAL) channels and radio (RADIO) channels to construct a re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04B10/12H04W36/00H04B10/2575
Inventor 刁心玺
Owner ZTE CORP
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