CN101114850A - Emitting power grade open-loop control method of digital non-center communication system - Google Patents
Emitting power grade open-loop control method of digital non-center communication system Download PDFInfo
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- CN101114850A CN101114850A CNA2006100294975A CN200610029497A CN101114850A CN 101114850 A CN101114850 A CN 101114850A CN A2006100294975 A CNA2006100294975 A CN A2006100294975A CN 200610029497 A CN200610029497 A CN 200610029497A CN 101114850 A CN101114850 A CN 101114850A
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Abstract
A transmission power graded open-loop control of a centerless communication system can be realized in the communicating process between a sending radio station and a receiving radio station. When sending data in the traffic channel, the sending end radio station sends coding voice information according to the appointed format and the current transmission power grade information to the receiving end; the next round when the receiving end acting as the sending end radio station, the radio station adjusts and ensures the transmission power grade of the current round according to the signal strength received in the last round and the transmission power grade information of the other party. The self-adaptive control of the radio station transmission power against the method can not only ensure the receiving radio station to effectively receive the transmission signals of the sending station, but also avoid wasting the transmission power of the sending station.
Description
Technical field
The present invention relates to the transmit power controlling method of wireless communication system, the emitting power grade open-loop control method of particularly a kind of digital no center communication system.
Background technology
Numeral no center communication system is based on mainly that the digital communication system of TDD realizes, this system has certain structure of time slot, and the implementation of typically communicating by letter is half-duplex.According to the regulation of State Radio Regulatory Commission, it is 915.0125～916.9875MHz that digital centerless mobile telecommunication system uses frequency range.Compatible preferably in order to realize with existing GSM travelling carriage radio-frequency module, bandwidth that can 200khz is divided into 9 frequencies with this frequency range, divide with the frame length of 4.615ms again on each frequency and make 8 time slots (time-gap number 0～7), every time slot 0.577ms, the centre frequency of each frequency is respectively the MHz of 915+0.2 * (n+1), and wherein n represents 0～8 integer.Such as, the 4th frequency range of Hua Fening is 915.9～916.1MHz in the above described manner, its center frequency point is 916MHz.9 whole frequencies of numeral no center communication system can divide makes 1 control frequency (such as No. 8 frequencies) and 8 business frequencies (business frequency numbering 0～7), the control frequency is mainly used in information such as synchronous signal transmission, paging number, type of service, frequency assignment, and business frequency is mainly used in information such as transmission user call voice, data.Because the frequency range of no centring system is very narrow, the uplink and downlink channel consistency that use in the radio station is very high, therefore can carry out open loop control to the emitting power grade in radio station.
Do not have in the communication system of center when realizing wireless mobile intercommunication in numeral, low emission power consumption is a basic demand to the radio station.The transmitting power in radio station is too low if make a start, and can influence the signal to noise ratio of receiving end radio station received signal; Transmitting power is too high, and the waste, aggravation that will bring power consumption again be to the interference in other radio station, therefore, presses for a kind of method that can suitably control the radio station transmitting power.
Summary of the invention
The object of the present invention is to provide the emitting power grade open-loop control method of a kind of digital no center communication system, the radio station emitting power grade is carried out adaptive control, can accomplish both to have guaranteed that the receiving end radio station can effectively receive transmitting of the radio station of making a start, not cause the waste of the radio station transmitting power of making a start again.
For addressing the above problem, the present invention is achieved in that
The emitting power grade open-loop control method of a kind of digital no center communication system, realize in the communication process between the sending and receiving radio station, it is characterized in that: when making a start the radio station when Traffic Channel sends data, form transmission coded voice information except by appointment also will send current emitting power grade information to the receiving end radio station; When launched as the radio station of making a start in second leg receiving end radio station, the emitting power grade information in signal strength signal intensity and the other side radio station was received according to last tieback in this radio station, determines the emitting power grade of this bout, determines that the scheme of class of emission is:
If the overflow that preceding bout receives, then the emitting power grade with preceding bout the other side radio station reduces, as the emitting power grade of this bout; If the signal strength signal intensity that preceding bout receives is moderate, then the emitting power grade with preceding bout the other side radio station remains unchanged, as the emitting power grade of this bout; If the signal that receives of preceding bout excessively a little less than, then the emitting power grade with preceding bout the other side radio station improves, as the emitting power grade of this bout; If the emitting power grade in preceding bout the other side radio station has reached maximum, then this bout also uses maximum emitting power grade.
The emitting power grade open-loop control method of described digital no center communication system is characterized in that: when the transmitting power of self is adjusted in the radio station, adjust one or several power units according to certain step-length.
The emitting power grade open-loop control method of described digital no center communication system is characterized in that: directly assign to suitable emitting power grade during the transmitting power of radio station adjustment self.
The emitting power grade open-loop control method of described digital no center communication system, it is characterized in that: in the above-mentioned communication process, after the talk business frequency is obtained in the sending and receiving radio station, the first emitting power grade with maximum in radio station of making a start transmits to the receiving end radio station, and marks the emitting power grade information of current bout at the afterbody that transmits.
By technique scheme, the invention has the beneficial effects as follows:
By the inventive method the radio station emitting power grade is carried out adaptive control, can accomplish both to have guaranteed that the receiving end radio station can effectively receive transmitting of the radio station of making a start, do not cause the waste of the radio station transmitting power of making a start again.
In this specification, the once variation that " bout " of conversation refers in particular to business frequency ownership in the communication process, such as, radio station A is exactly an one bout as making a start, when A abandons the channel ownership and changes by the B radio station when making a start, then be called another bout of conversation.
Description of drawings
The Traffic Channel schematic diagram that comprises emitting power grade information among the embodiment of Fig. 1 the inventive method.
Embodiment
The invention provides the emitting power grade open-loop control method of a kind of digital no center communication system, this method is not realize in numeral has the communication process of center communication system.Wherein, the master exhales the radio station and is exhaled the once complete conversation between the radio station can comprise the mutual of a plurality of bouts.At certain bout, when making a start the radio station when Traffic Channel sends data, the form transmission coded voice information except by appointment also will send the current emitting power grade information in this radio station to the receiving end radio station, and the Traffic Channel schematic diagram of its transmission as shown in Figure 1.
Below the sending and receiving embodiment that do not have in the communication system of center by numeral further introduce the inventive method, the concrete steps of this embodiment are:
Step 1: main exhale the radio station on the control frequency when quilt exhales the radio station to make a call to ask, with the maximum power transmission signal.
After the talk business frequency is obtained in step 2: A, B radio station, suppose that the first leg A of conversation sends out the B receipts, then A will transmit with the emitting power grade of maximum, and marks the emitting power grade information of current bout at the afterbody that transmits.
Step 3: the second leg of conversation, B are sent out A and are received, and B will receive the emitting power grade information in signal strength signal intensity and the other side radio station according to last tieback, determine the emitting power grade of this bout.If the overflow that preceding bout B receives, then the emitting power grade with preceding bout the other side radio station reduces a power unit (such as 2dB), as the emitting power grade of this bout; If the signal strength signal intensity that preceding bout B receives is moderate, then the emitting power grade with preceding bout the other side radio station remains unchanged, as the emitting power grade of this bout; If the signal that receives of preceding bout B excessively a little less than, then the emitting power grade with preceding bout the other side radio station improves a power unit (such as 2dB), emitting power grade (if the emitting power grade in preceding bout the other side radio station has reached maximum, then this bout B also uses maximum emitting power grade) as this bout.And B will mark the current emitting power grade information in this radio station at the afterbody that transmits.
Step 4: the second leg of conversation, A are sent out B and are received, and A will receive the emitting power grade information in signal strength signal intensity and the other side radio station according to last tieback, determine the emitting power grade of this bout.If the overflow that preceding bout A receives, then the emitting power grade with preceding bout the other side radio station reduces a power unit (such as 2dB), as the emitting power grade of this bout; If the signal strength signal intensity that preceding bout A receives is moderate, then the emitting power grade with preceding bout the other side radio station remains unchanged, as the emitting power grade of this bout; If the signal that receives of preceding bout A excessively a little less than, then the emitting power grade with preceding bout the other side radio station improves a power unit (such as 2dB), emitting power grade (if the emitting power grade in preceding bout the other side radio station has reached maximum, then this bout A also uses maximum emitting power grade) as this bout.And A will mark the current emitting power grade information in this radio station at the afterbody that transmits.
Step 5: repeating step three to four, until this end of conversation.
In the inventive method, the power unit that the radio station transmitting power reduces or improves is not limited to 2dB, and the radio station is as making a start and when adjusting the transmitting power of self, both can adjust one or several power units, and also can not follow this power unit and directly assign to suitable emitting power grade according to certain step-length.
Being preferred embodiment of the present invention only in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (4)
1. the emitting power grade open-loop control method of a digital no center communication system, realize in the communication process between the sending and receiving radio station, it is characterized in that: when making a start the radio station when Traffic Channel sends data, form transmission coded voice information except by appointment also will send current emitting power grade information to the receiving end radio station; When launched as the radio station of making a start in second leg receiving end radio station, the emitting power grade information in signal strength signal intensity and the other side radio station was received according to last tieback in this radio station, determines the emitting power grade of this bout, determines that the scheme of emitting power grade is:
If the overflow that preceding bout receives, then the emitting power grade with preceding bout the other side radio station reduces, as the emitting power grade of this bout; If the signal strength signal intensity that preceding bout receives is moderate, then the emitting power grade with preceding bout the other side radio station remains unchanged, as the emitting power grade of this bout; If the signal that receives of preceding bout excessively a little less than, then the emitting power grade with preceding bout the other side radio station improves, as the emitting power grade of this bout; If the emitting power grade in preceding bout the other side radio station has reached maximum, then this bout also uses maximum emitting power grade.
2. the emitting power grade open-loop control method of digital no center according to claim 1 communication system is characterized in that: when the transmitting power of self is adjusted in the radio station, adjust one or several power units according to certain step-length.
3. the emitting power grade open-loop control method of digital no center according to claim 1 communication system is characterized in that: directly assign to suitable emitting power grade during the transmitting power of radio station adjustment self.
4. according to the emitting power grade open-loop control method of claim 1 or 2 or 3 described digital no center communication systems, it is characterized in that: in the above-mentioned communication process, after the talk business frequency is obtained in the sending and receiving radio station, the first emitting power grade with maximum in radio station of making a start transmits to the receiving end radio station, and marks the emitting power grade information of current bout at the afterbody that transmits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100294975A CN101114850A (en) | 2006-07-28 | 2006-07-28 | Emitting power grade open-loop control method of digital non-center communication system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100294975A CN101114850A (en) | 2006-07-28 | 2006-07-28 | Emitting power grade open-loop control method of digital non-center communication system |
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| CN101114850A true CN101114850A (en) | 2008-01-30 |
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| CNA2006100294975A Pending CN101114850A (en) | 2006-07-28 | 2006-07-28 | Emitting power grade open-loop control method of digital non-center communication system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013189328A2 (en) * | 2012-12-14 | 2013-12-27 | 中兴通讯股份有限公司 | Method and device for dynamically adjusting transmitting power, and intelligent terminal |
| CN104301980A (en) * | 2014-09-26 | 2015-01-21 | 深圳市华信天线技术有限公司 | Data radio and power self-adaption method thereof |
| CN105072597A (en) * | 2015-07-30 | 2015-11-18 | Tcl移动通信科技（宁波）有限公司 | Method and system for transmission of voice data with communication signal information |
-
2006
- 2006-07-28 CN CNA2006100294975A patent/CN101114850A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013189328A2 (en) * | 2012-12-14 | 2013-12-27 | 中兴通讯股份有限公司 | Method and device for dynamically adjusting transmitting power, and intelligent terminal |
| WO2013189328A3 (en) * | 2012-12-14 | 2014-02-13 | 中兴通讯股份有限公司 | Method and device for dynamically adjusting transmitting power, and intelligent terminal |
| CN104301980A (en) * | 2014-09-26 | 2015-01-21 | 深圳市华信天线技术有限公司 | Data radio and power self-adaption method thereof |
| CN105072597A (en) * | 2015-07-30 | 2015-11-18 | Tcl移动通信科技（宁波）有限公司 | Method and system for transmission of voice data with communication signal information |
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Open date: 20080130 |