CN100417260C - Method for selecting frequency point of time slot in services with multiple speeds in system of personal hand held set - Google Patents
Method for selecting frequency point of time slot in services with multiple speeds in system of personal hand held set Download PDFInfo
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- CN100417260C CN100417260C CNB2005100722992A CN200510072299A CN100417260C CN 100417260 C CN100417260 C CN 100417260C CN B2005100722992 A CNB2005100722992 A CN B2005100722992A CN 200510072299 A CN200510072299 A CN 200510072299A CN 100417260 C CN100417260 C CN 100417260C
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Abstract
The present invention relates to a selection method for the time slot frequency points of services with multiple speeds in a PHS system. A processing period of the present invention is every four five-millisecond frames in the time slot resources in the PHS system, each of the five-millisecond frames in the processing period serves as a mold processing unit, and the mold processing units are numbered according to zero to three strictly; the upgrade of the time slot frequency points is carried out by time slot frequency point scan, and the result information of the time slot frequency point scan is stored by a time slot frequency point memory array; the frequency points are allocated to the service by time slot frequency point allocation control, and the frequency point scan is controlled by the time slot frequency point scanning control. With the adoption of the method provided by the present invention in a base station of the existing PHS system, the cost for new hardware does not need to be added, the realization of the services with the independent speeds of 32K, 16K and 8K, or the services with a mixed speed can be satisfied simply by software update, and the present invention is favorable for the perfection of the services of the PHS system.
Description
Technical field
The present invention relates to a kind of method for selecting frequency point of time slot of in personal hand held phone system (Personal Handyphone System) (hereinafter to be referred as the PHS system), realizing multiple-rate business.
Background technology
" RCR STD-28 agreement " (PHS system over-the-air protocol standard) requires the PHS system can separately or mix carrying 32K, 16K and 8K business.32K business (being full rate) only can be carried in present PHS system, can not provide for low rate traffic (for example 16K and 8K business are non-full rate), so various mixing rate business more can not be provided.
Above-mentioned multiple rate business is provided, various mixing rate business particularly are provided, key is how the time slot of non-full rate to be carried out normal frequency to select, to guarantee making full use of of non-full rate time interval resource.At this situation, be necessary to propose a kind of method for selecting frequency point of time slot of multiple-rate business, so that can satisfy the realization of 32K, 16K and 8K independent rate business or mixing rate business well.In existing P HS system, still do not see the method for selecting frequency point of time slot of this disclosed multiple-rate business at present.
Summary of the invention
In view of the foregoing, the objective of the invention is to propose a kind of method for selecting frequency point of time slot of in the PHS system, realizing multiple-rate business, can satisfy the realization of 32K, 16K and 8K independent rate business or mixing rate business by this method well.
Adopt the present invention, in PHS system as shown in Figure 1, can provide full rate (being 32K speed) business, half rate (being 16K speed) business and 1/4th speed (being 8K speed) business.If with four 5 milliseconds of continuous frames is one-period, 5 milliseconds of frames of in each cycle each are a form unit, and each form unit is numbered (form as shown in Figure 7) according to 0～3 cycle continuously, then in full rate, terminal all takies time slot corresponding in each form unit, promptly per 5 milliseconds are used a time interval resource (as shown in Figure 2); In half rate traffic, terminal takies time slot corresponding at intervals in the cycle, makes half resource-niche be in idle condition, and promptly per 10 milliseconds are used a time interval resource (as shown in Figure 3); In 1/4th rate business, terminal only takies time interval resource one time in the cycle, and promptly per 20 milliseconds are used a time interval resource (as shown in Figure 4).So by top mode as can be known, full rate takies whole time interval resources of time slot; But not full rate only takies the part time interval resource of time slot, and the time interval resource of vacating can be used by other non-full rate users.So in the PHS system, can carry full rate, half rate and 1/4th rate business (as shown in Figure 5) simultaneously.
The method for selecting frequency point of time slot of multiple-rate business in a kind of PHS system that the present invention proposes, it is characterized in that the time interval resource of personal hand held phone system according to per 45 milliseconds of frames as a processing cycle, 5 milliseconds of frames of in this processing cycle each are a mould processing unit, and above-mentioned each mould processing unit is strictly according to 0～3 numbering; Carry out frequency point of time slot with the time slot frequency point scanning and upgrade, with frequency point of time slot storage array storage time slots frequency point scanning object information; Control the traffic assignments frequency with the time slot frequency point allocation; With the scanning of time slot frequency point scanning control control to frequency.
Wherein above-mentionedly carry out frequency point of time slot with the time slot frequency point scanning and upgrade, performing step with frequency point of time slot storage array storage time slots frequency point scanning object information is: when time slot is idle fully, personal hand held phone system scans frequency every 5 milliseconds at time slot, and with the scanning result information stores in the frequency point of time slot storage array; Corresponding 4 complete 5 milliseconds of frames of cycle in the above-mentioned frequency point of time slot storage array, modulus is to which 5 milliseconds of frames that should be in the cycle; The maximum cycle number is all network allocation frequency numbers that can store in the above-mentioned frequency point of time slot storage array.
The above-mentioned performing step of controlling the traffic assignments frequency with the time slot frequency point allocation is: have only the time slot that is not assigned is just assigned into full rate; Have only and exist two idle moulds at interval just to assign into half rate traffic during the cycle in the time slot; As long as exist the idle mould cycle just to assign into 1/4th rate business in the time slot.
Above-mentionedly to the performing step of the scanning of frequency be: when the corresponding time slot mould cycle is assigned to be full rate with the control control of time slot frequency point scanning, then each mould cycle will stop frequency point of time slot scanning, and time slot will be occupied and according to the frequency point of time slot executive communication of appointment in each mould cycle; When the corresponding time slot mould cycle is assigned to be half rate traffic, then the mould cycle will stop frequency point of time slot scanning at interval, time slot is occupied and according to the frequency point of time slot executive communication of assigning on the interval mould cycle, and the unappropriated mould cycle will be continued its time slot frequency point scanning of execution; When the corresponding time slot mould cycle is assigned to be 1/4th rate business, then except the occupied time slot mould cycle, other unappropriated time slot mould cycles will continue to carry out independently frequency point of time slot scanning.
In existing P HS system base-station, the method that adopts the present invention to propose, need not to increase new hardware cost, need only the realization that software upgrading just can be satisfied well 32K, 16K and 8K independent rate business or mixing rate business, very positive meaning is arranged for improving the PHS system business.
Below in conjunction with accompanying drawing, be described in further detail with the concrete enforcement of preferred embodiment to the method for the invention.For those skilled in the art that, from the detailed description to the inventive method, above-mentioned and other purposes of the present invention, feature and advantage will be apparent.
Description of drawings
Figure 1 shows that a kind of PHS network diagram of the invention process.
The time slot that Figure 2 shows that the 32K business realizing uses schematic diagram.
The time slot that Figure 3 shows that the 16K business realizing uses schematic diagram.
The time slot that Figure 4 shows that the 8K business realizing uses schematic diagram.
Figure 5 shows that the time slot that multiple mixed service realizes uses schematic diagram.
Figure 6 shows that logical schematic of the invention process.
Figure 7 shows that cycle and the modulus definition schematic diagram described in the invention process.
Figure 8 shows that the frequency point of time slot storage array schematic diagram of describing in the invention process.
Embodiment
Below in conjunction with the drawings and specific embodiments method of the present invention is described in further detail.
Fig. 6 is the system logic schematic diagram of the invention process correspondence.As shown in Figure 6, frequency point of time slot scanning is used for carrying out the renewal of frequency point of time slot, the frequency point of time slot storage array is used for storage time slots frequency point scanning object information, and frequency point of time slot distributes control to be used for to the traffic assignments frequency point of time slot, and the frequency point of time slot scan control is used for controlling the scanning to frequency point of time slot.
The method for selecting frequency point of time slot of multiple-rate business in a kind of PHS system that the present invention proposes, it mainly comprises following two aspects:
(1) frequency point of time slot storage array
As shown in Figure 7, be the time interval resource of PHS system a processing cycle according to per 45 milliseconds of frames, each 5 milliseconds of frame is a mould processing unit in the cycle, each mould processing unit is in strict accordance with 0～3 numbering.Above-mentioned frequency point of time slot storage array is used for storing certain frequency point of time slot scanning result information, and its form as shown in Figure 8.Corresponding 4 complete 5 milliseconds of frames of cycle in this frequency point of time slot storage array, modulus is to which 5 milliseconds of frames that should be in the cycle.In Fig. 8, show that the frequency that certain time slot scans is respectively 31,32,33 and 40 in continuous 4 frames of first cycle, and the frequency that scans is respectively 50,51,52 and 54 in continuous 4 frames of the back one-period that is right after.The frequency point of time slot information that the PHS system scan is crossed just is stored in the frequency point of time slot storage array by the corresponding relation of top mode according to cycle and modulus, as long as wherein the maximum cycle number is just passable according to storing all network allocation frequencies in the frequency point of time slot storage array, for example be available frequency number in the present embodiment to four grouping number.
(2) frequency point of time slot distributes control and scan control
The realization of multiple-rate business mainly is that frequency point of time slot scanning, frequency point of time slot distribute control and frequency point of time slot scan control, and the present invention controls by following rule:
(a) when time slot was idle fully, the PHS system scanned frequency every 5 milliseconds at time slot.According to the method for describing in the above-mentioned frequency point of time slot storage array, corresponding cycle of scanning result information and modulus are stored in the frequency point of time slot storage array.
(b) have only and to assign into full rate the time slot that is not assigned; Have only and exist two idle moulds at interval could assign into half rate traffic during the cycle in the time slot; As long as exist the idle mould cycle just can assign into 1/4th rate business in the time slot.
(c) when the corresponding time slot mould cycle is assigned to be full rate, then each mould cycle will stop frequency point of time slot scanning, and time slot will be occupied and according to the frequency point of time slot executive communication of appointment in each mould cycle.
(d) when the corresponding time slot mould cycle is assigned to be half rate traffic, then the mould cycle will stop frequency point of time slot scanning at interval, time slot on the interval mould cycle occupied and according to the frequency point of time slot executive communication of assigning (as assigning modulus is that 1 time slot mould is during the cycle, then modulus is that time slot mould cycle of 3 will be simultaneously occupied), the unappropriated mould cycle will be continued its time slot frequency point scanning of execution.
(e) when the corresponding time slot mould cycle is assigned to be 1/4th rate business, then except the occupied time slot mould cycle, other unappropriated time slot mould cycles will continue to carry out independently frequency point of time slot scanning.
More than describe operation principle of the present invention in detail, but the example of this visualization of just lifting for the ease of understanding should not be considered to be limitation of the scope of the invention.Equally; the ordinary skill of technical field all can be according to the description of technical scheme of the present invention and preferred embodiment thereof under any; make various possible being equal to and change or replacement, but all these changes or replacement all should belong to the protection range of claim of the present invention.
Claims (3)
1. the method for selecting frequency point of time slot of multiple-rate business in the personal hand held phone system, it is characterized in that the time interval resource of personal hand held phone system according to per 45 milliseconds of frames as a processing cycle, 5 milliseconds of frames of in this processing cycle each are a mould processing unit, and above-mentioned each mould processing unit is strictly according to 0～3 numbering;
Carry out frequency point of time slot with the time slot frequency point scanning and upgrade, with frequency point of time slot storage array storage time slots frequency point scanning object information;
, have only the time slot that is not assigned is just assigned into full rate the traffic assignments frequency with the control of time slot frequency point allocation; Have only and exist two idle moulds at interval just to assign into half rate traffic during the cycle in the time slot; As long as exist the idle mould cycle just to assign into 1/4th rate business in the time slot;
Be assigned to be full rate, half rate traffic or the control of 1/4th rate business scanning with the control of time slot frequency point scanning according to the time slot mould cycle to frequency.
2. method according to claim 1, it is characterized in that above-mentionedly carrying out frequency point of time slot with the time slot frequency point scanning and upgrading, performing step with frequency point of time slot storage array storage time slots frequency point scanning object information is: when time slot is idle fully, personal hand held phone system scans frequency every 5 milliseconds at time slot, and with the scanning result information stores in the frequency point of time slot storage array; Corresponding 4 complete 5 milliseconds of frames of cycle in the above-mentioned frequency point of time slot storage array, modulus is to which 5 milliseconds of frames that should be in the cycle; The maximum cycle number is all network allocation frequency numbers that can store in the above-mentioned frequency point of time slot storage array.
3. method according to claim 1, it is characterized in that above-mentionedly being assigned to be full rate, half rate traffic or the control of 1/4th rate business with time slot frequency point scanning control according to the time slot mould cycle and being: when the corresponding time slot mould cycle is assigned to be full rate to the performing step of the scanning of frequency, then each mould cycle will stop frequency point of time slot scanning, and time slot will be occupied and according to the frequency point of time slot executive communication of appointment in each mould cycle; When the corresponding time slot mould cycle is assigned to be half rate traffic, then the mould cycle will stop frequency point of time slot scanning at interval, time slot is occupied and according to the frequency point of time slot executive communication of assigning on the interval mould cycle, and the unappropriated mould cycle will be continued its time slot frequency point scanning of execution; When the corresponding time slot mould cycle is assigned to be 1/4th rate business, then except the occupied time slot mould cycle, other unappropriated time slot mould cycles will continue to carry out independently frequency point of time slot scanning.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100722992A CN100417260C (en) | 2005-05-30 | 2005-05-30 | Method for selecting frequency point of time slot in services with multiple speeds in system of personal hand held set |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100722992A CN100417260C (en) | 2005-05-30 | 2005-05-30 | Method for selecting frequency point of time slot in services with multiple speeds in system of personal hand held set |
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| CN1874562A CN1874562A (en) | 2006-12-06 |
| CN100417260C true CN100417260C (en) | 2008-09-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1489402A (en) * | 2002-10-11 | 2004-04-14 | 深圳市中兴通讯股份有限公司 | Base station control time-gap and business frequency allocation method for PHS system |
| CN1514655A (en) * | 2002-12-31 | 2004-07-21 | 深圳市中兴通讯股份有限公司 | PHS system frequency point distribution method |
| WO2004066655A1 (en) * | 2003-01-22 | 2004-08-05 | Motorola Inc | Method and apparatus for frequency planning in a cellular communications system using modified neighbour lists |
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2005
- 2005-05-30 CN CNB2005100722992A patent/CN100417260C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1489402A (en) * | 2002-10-11 | 2004-04-14 | 深圳市中兴通讯股份有限公司 | Base station control time-gap and business frequency allocation method for PHS system |
| CN1514655A (en) * | 2002-12-31 | 2004-07-21 | 深圳市中兴通讯股份有限公司 | PHS system frequency point distribution method |
| WO2004066655A1 (en) * | 2003-01-22 | 2004-08-05 | Motorola Inc | Method and apparatus for frequency planning in a cellular communications system using modified neighbour lists |
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| CN1874562A (en) | 2006-12-06 |
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