Base station control time-gap and business frequency allocation method for PHS system

A base station control and allocation method technology, which is applied in the communication between multiple stations, network planning, electrical components, etc., can solve the problems of wrongly allocated channels, non-optimal frequency points, and long call time, so as to improve communication Quality, reduction of calling time, and the effects of uneven utilization

Inactive Publication Date: 2006-07-26
ZTE CORP
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  • Claims
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Problems solved by technology

[0015] The purpose of the present invention is to propose a method for allocating base station control time slots and service frequency points in order to overcome the disadvantages of long calling time, non-optimal frequency point, wrong channel allocation and spectrum waste in the existing DCA technology

Method used

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  • Base station control time-gap and business frequency allocation method for PHS system
  • Base station control time-gap and business frequency allocation method for PHS system
  • Base station control time-gap and business frequency allocation method for PHS system

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Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0037] The core idea of ​​the present invention is to improve the dynamic channel allocation method of the base station of the wireless local telephone system using PHS technology by introducing detailed channel (control time slot and service frequency point) planning, that is, to improve the service frequency point / control channel used by the base station. The time slots are fixedly assigned in advance, and the fixedly assigned service frequency points and control time slots have priority when the base station performs dynamic frequency allocation.

[0038] figure 1 Taking fixed assignment of one control time slot as an example, the flow chart of base station control time slot allocation proposed by the present invention. Such as figure 1 As shown, the base station control time slot allocation method proposed by the present invention includ...

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Abstract

The characters of the invention are that some optimal time slots and frequency points are assigned fixedly in advance. If performance indexes of time slots and frequency points assigned are not ineptitude, using dynamic allocation mode carries out assigning time slots and frequency points. Since some optimal frequency points are assigned fixedly in advance, under favorable frequency planning, the invented method does not need to carry out search so as to reduce time for starting to call. Careful frequency planning can well control probability of frequency interference as well as prevent unbalanced utilization rate between service frequency points, and assigning error.

Description

technical field [0001] The invention relates to a PHS communication system, in particular to a channel allocation method of a base station in the PHS system. technical background [0002] In a wireless communication system, a base station has a control channel and a traffic channel. For TDMA systems, a channel is a combination of frequencies and time slots. [0003] PHS is a TDD / TDMA system, the carrier spacing is 300KHz, and each time slot is 625μs long. Each frame of the base station is 5ms, including 8 time slots, of which 1~4 time slots are used for the downlink from the base station to the mobile phone, and 5~8 time slots are used for the uplink from the mobile phone to the base station, forming 4 time division duplex channels. One of the channels is a control channel (CCH-Control Channel), and three are traffic channels (TCH-Traffic Channel). The control channel appears once in a multiframe composed of 20 frames (100ms), and the traffic channel is sent once in every...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/30H04B7/26H04W16/02
Inventor 甘建平邓杰
Owner ZTE CORP
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