CN104159280A - Method for reducing power consumption of DMR terminal circuit - Google Patents
Method for reducing power consumption of DMR terminal circuit Download PDFInfo
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- CN104159280A CN104159280A CN201410377054.XA CN201410377054A CN104159280A CN 104159280 A CN104159280 A CN 104159280A CN 201410377054 A CN201410377054 A CN 201410377054A CN 104159280 A CN104159280 A CN 104159280A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method for reducing the power consumption of a DMR (Digital Mobile Radio) terminal circuit. The method comprises the steps as follows: a transmitting power adjustment parameter of a receiving terminal is calculated and acquired by an emitting terminal through measuring and receiving the radio frequency signal field strength data; the power adjustment parameter is transmitted to the receiving terminal by the emitting terminal through an RC signaling channel; the transmitting power in the next time slot is adjusted by the receiving terminal according to the received power adjustment parameter. The method for reducing the power consumption of the DMR terminal circuit, provided by the invention does not rely on the sleep/wake up power saving mechanism of the system base station; and besides, the transmitting power can be adjusted dynamically by every terminal in a specific mode, so that the consumption of batteries is reduced to a greater extent, the average power consumption of the DMR terminal circuit is effectively reduced, the standby and duration of a DMR terminal battery is prolonged, and meanwhile, the electromagnetic environmental pollution of wireless communication equipment is reduced.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of method of the DMR of reduction terminating circuit power consumption.
Background technology
DMR (Digital Mobile Radio) terminal is a kind of novel digital portable wireless terminal (being commonly called as DMR digital handset) that meets the DMR technical specification of ETSI (ETSI), circuit arrangement is mostly based on embedded platform, software and hardware function ratio traditional analog intercom is powerful, certainly base band and radio circuit are also all complicated than traditional analog intercom, use high speed processor and mass storage, circuit power consumption also increases greatly, to improving battery, supports the design of time to bring larger challenge.
Portable wireless terminal is general adopts large capacity rechargeable battery powered, and the capacity of battery and stand-by time and operating time are had to higher requirement.The factor such as volume and weight, portability that is limited by portable wireless terminal, under limited battery capacity, transmitting power size has conclusive impact to battery capacity and support time.Reduce as far as possible the electric current that transmitter consumes, improve battery stand-by time and the flying power of portable wireless terminal, extending battery life has very real meaning.
Existing, battery power conservation strategy is by optimizing dormancy time and the wakeup time ratio of terminal equipment, and not timing ground closed portion functional circuit module increases call setup extra time etc. some methods of sacrificing performances and realizes.Or need base station system support to realize.
Summary of the invention
The object of the present invention is to provide a kind of method of the DMR of reduction terminating circuit power consumption, to improve battery stand-by time and the flying power of DMR terminal.
The object of the invention is to be achieved through the following technical solutions.
A method that reduces DMR terminating circuit power consumption, comprising:
Launch terminal is by measuring received RF signal field intensity data, and the transmitting power that calculates receiving terminal is adjusted parameter;
Launch terminal is adjusted parameter to receiving terminal by RC signalling path through-put power;
Receiving terminal is adjusted the next time slot transmitting power of parameter adjustment according to the power receiving.
Further preferably, also comprise terminal initialization, set radiofrequency signal field intensity threshold value.
Further preferably,, described in calculate receiving terminal transmitting power adjust parameter, specifically by tabling look-up, obtain transmitting power corresponding to current radiofrequency signal field intensity, according to field intensity, obtain power and adjust parameter.
Further preferably; launch terminal is adjusted parameter to receiving terminal by RC signalling path through-put power; particularly; first define a frame and comprise two burst time slots and a protection time slot; one of them burst time slot is as voice service time slot, and another burst time slot is free timeslot, and described launch terminal utilizes the RC signalling path through-put power of free timeslot to adjust parameter.
Further preferably,, a described 60ms frame comprises two burst time slots, respectively accounts for 30ms, in the middle of two time slots, is the protection time slot of 2.5ms.
Further preferably,, the 5ms section of a burst time slot 30ms is as transmission RC signalling path.
The present invention compared with prior art, beneficial effect is: the method for reduction DMR terminating circuit power consumption provided by the invention, do not rely on the dormancy awakening electricity-saving mechanism of system base-station, each terminal can dynamic adjustments transmitting power under specific pattern, can save largely battery consumption, effectively to reduce DMR terminating circuit average power consumption, extend the standby cruising time of DMR end cell; Also reduce the electromagnetic environmental pollution of Wireless Telecom Equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is the mutual communication scheme of DMR terminal room of the present invention;
Fig. 2 is tdma frame sequential chart;
Fig. 3 is speech time slot schematic diagram under direct mode operation;
Fig. 4 is one embodiment of the invention tdma frame structure chart;
Fig. 5 is speech time slot signaling diagram under direct mode operation;
Fig. 6 is DMR terminal transmit power parameter adjustment schematic diagram;
Fig. 7 is the method flow diagram that the present invention reduces DMR terminating circuit power consumption.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Design concept of the present invention: DMR terminals consume energy maximum is transmitter circuitry, general transmitting power is more than one watt, the general about 30-50% of the efficiency of radio-frequency (RF) power amplification left and right, so during transmitter work, the highest meeting of power of practical power consumption is tens watts even tens watts.If can flexible transmitting power, can directly effectively reduce circuit power consumption.
At present, the transmitting power of DMR terminal is generally set several fixing shelves levels between 1W and 5W, is configured to according to actual needs certain grade of level in use, and in each communication process, the power of terminal transmitting is basic fixing.But the working method of fixed transmission power is not only wasted the energy content of battery, also can increase electromagnetic environmental pollution, impact is other Wireless Telecom Equipment around.DMR terminal is worked sometimes under network-off direct-passing pattern,, under this mode of operation, cannot assist to realize transmission power adjustment by base station.Many times relative distance is nearer under straight-through mode of operation for terminal, or the smooth spaciousness of residing environment physical features, and communication condition is better, does not need excessive power can keep good communication.
Given this, core concept of the present invention: DMR terminal is immediately adjusted transmitting power under network-off direct-passing pattern in half-duplex operation process, terminal by agreement agreement passage send specific instruction, obtain the signal strength signal intensity RSSI information that distant terminal receiver is received, the passage of arranging by agreement returns to specific data, terminal is adjusted the transmitting power of the next time slot of the machine according to these data, to reduce unnecessary transmitting power.
As shown in Figure 1, direct communication between a terminal (mobile station MS 1) and another terminal (mobile station MS 2).Suppose that terminal MS 1 calling terminal MS2 is up channel; Terminal MS 2 calling terminal MS1 are down channel.
Terminal MS 2 is by measuring received RF signal field intensity RSSI, calculate the uplink transmission power of distant terminal MS1, terminal MS 2 is utilized RC signalling path to carry power and is adjusted parameter, allows 1 pair of uplink transmission power of terminal MS adjust, and changes the transmitting power of next uplink burst time slot.
Same, terminal MS 1 is by measuring received RF signal field intensity RSSI, calculate the down transmitting power of distant terminal MS2, terminal MS 1 is utilized RC signalling path to carry power and is adjusted parameter, allow 2 pairs of down transmitting powers of terminal MS adjust, change the transmitting power of next downlink burst time slot.
Particularly, as shown in Figure 6, terminal MS 1 is according to the field intensity value of obtaining, a corresponding transmission power level, the transmitting power that calculates MS2 is adjusted parameter, guarantee that the field intensity of terminal reception, more than keeping the lower limit of good communication quality, does not exceed again upper range, to keep best battery availability factor simultaneously.
Further, terminal realizes the correspondence of field intensity and transmitting power by lookup table mode, obtains power adjust parameter according to field intensity, carries out power adjustment.
Concrete software is realized as shown in Figure 7, reduces the method for DMR terminating circuit power consumption, comprising:
Step 701: to terminal initialization, set radiofrequency signal field intensity threshold value;
Step 702: select whether enable battery saving mode, if so, enter step 703;
Step 703: launch terminal is measured received RF signal field intensity data RSSI;
Step 704: obtain transmitting power corresponding to current radiofrequency signal field intensity by tabling look-up and adjust parameter;
Step 705: launch terminal is adjusted parameter to receiving terminal by RC signalling path through-put power, and receiving terminal is adjusted the next time slot transmitting power of parameter adjustment according to power;
Step 706: select whether exit battery saving mode, if not, return to step 703; If so, finish.
Embodiment:
In Fig. 2, DMR agreement has stipulated that a tdma frame is divided into the sequential of two burst time slots and guard times, and the structure of a 60ms tdma frame comprises 2 burst time slots, respectively accounts for 30ms, is the protection time slot of 2.5ms, as shown in Figure 4 in the middle of two time slots.5ms (48 bit) section at a time slot 30ms burst center can transmit RC signaling information, as shown in Figure 5.
Take Fig. 1 as example, suppose that MS1 is the machine, MS2 is opposite end, and concrete implementation step comprises:
1) the machine MS1 obtains radiofrequency signal field intensity data RSSI;
2) the machine MS1 is according to the field intensity data RSSI obtaining, and the transmitting power that calculates opposite end MS2 is adjusted parameter;
3) the machine MS1 utilizes next burst time slot RC reverse channel transmission power to adjust parameter;
4) opposite end MS2 adjusts parameter according to the transmitting power of obtaining, and at next one burst time slot, adjusts transmitting power.
Between terminal, Signalling exchange has two kinds of patterns, and in Fig. 3, the VS in solid box represents voice service time slot, empty wire frame representation free timeslot.Under direct mode operation, talk business takies one of them time slot, and another time slot is idle.The RC signalling path of free timeslot can be used for reverse transfer information.Under Passive Mode, one of them burst time slot of terminal MS 1 TX transmitting is as forward direction voice service channel F, the RC reverse signalling channel B at another idle burst time slot center, and MS1 receives by RC signalling path the data message that MS2 returns.Receiving terminal is set up backward channel sequential according to the forward channel sequential of launch terminal, and the radio-frequency (RF) signal strength that receiving terminal is received is passed transmitting terminal back by RC backward channel.
Under aggressive mode, terminal MS 1 can also initiatively be sent instruction by RC passage, obtains the field intensity RSSI data message that MS2 receives, the data message obtaining returns to the machine from RC backward channel.
The method of reduction DMR terminating circuit power consumption provided by the invention, do not rely on the dormancy awakening electricity-saving mechanism of system base-station, each terminal can dynamic adjustments transmitting power under specific pattern, can save largely battery consumption, effectively to reduce DMR terminating circuit average power consumption, extend the standby cruising time of DMR end cell; Also reduce the electromagnetic environmental pollution of Wireless Telecom Equipment simultaneously.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a method that reduces DMR terminating circuit power consumption, is characterized in that, comprising:
Launch terminal is by measuring received RF signal field intensity data, and the transmitting power that calculates receiving terminal is adjusted parameter;
Launch terminal is adjusted parameter to receiving terminal by RC signalling path through-put power;
Receiving terminal is adjusted the next time slot transmitting power of parameter adjustment according to the power receiving.
2. the method for reduction DMR terminating circuit power consumption as claimed in claim 1, is characterized in that, also comprises terminal initialization, sets radiofrequency signal field intensity threshold value.
3. the method for reduction as claimed in claim 2 DMR terminating circuit power consumption, it is characterized in that, the described transmitting power that calculates receiving terminal is adjusted parameter, specifically by tabling look-up, obtains transmitting power corresponding to current radiofrequency signal field intensity, obtains power adjust parameter according to field intensity.
4. the method for reduction as claimed in claim 2 DMR terminating circuit power consumption; it is characterized in that; launch terminal is adjusted parameter to receiving terminal by RC signalling path through-put power; particularly; first define a frame and comprise two burst time slots and a protection time slot; one of them burst time slot is as voice service time slot, and another burst time slot is free timeslot, and described launch terminal utilizes the RC signalling path through-put power of free timeslot to adjust parameter.
5. the method for reduction DMR terminating circuit power consumption as claimed in claim 4, is characterized in that, a described 60ms frame comprises two burst time slots, respectively accounts for 30ms, in the middle of two time slots, is the protection time slot of 2.5ms.
6. the method for reduction DMR terminating circuit power consumption as claimed in claim 5, is characterized in that, the 5ms section of a burst time slot 30ms is as transmission RC signalling path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410377054.XA CN104159280A (en) | 2014-08-01 | 2014-08-01 | Method for reducing power consumption of DMR terminal circuit |
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| CN201410377054.XA CN104159280A (en) | 2014-08-01 | 2014-08-01 | Method for reducing power consumption of DMR terminal circuit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527069A (en) * | 2014-12-23 | 2015-04-22 | 英华达（上海）科技有限公司 | Method and device for adjusting three-dimensional line printing power |
| CN106332253A (en) * | 2015-06-17 | 2017-01-11 | 普天信息技术有限公司 | Control method of master control sending power |
| CN107707364A (en) * | 2017-11-06 | 2018-02-16 | 李雨航 | A kind of battery powered power-saving method of arrowband Internet of Things and device |
| CN108234042A (en) * | 2018-01-03 | 2018-06-29 | 深圳科立讯通信有限公司 | Digital signal detection method, apparatus, computer equipment and readable storage medium storing program for executing |
| CN109526046A (en) * | 2019-01-07 | 2019-03-26 | 福建科立讯通信有限公司 | A kind of digital walkie-talkie transmission power optimizes and revises system and method |
| CN110890941A (en) * | 2019-12-09 | 2020-03-17 | 深圳森虎科技股份有限公司 | Method for realizing reverse message through CSBK signaling |
| CN111726754A (en) * | 2020-07-31 | 2020-09-29 | 深圳市尚酷科技有限公司 | Intelligent communication system of interphone |
| US10904055B2 (en) | 2019-01-18 | 2021-01-26 | Analog Devices International Unlimited Company | Digital mobile radio with enhanced transceiver |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527069A (en) * | 2014-12-23 | 2015-04-22 | 英华达（上海）科技有限公司 | Method and device for adjusting three-dimensional line printing power |
| CN106332253A (en) * | 2015-06-17 | 2017-01-11 | 普天信息技术有限公司 | Control method of master control sending power |
| CN106332253B (en) * | 2015-06-17 | 2019-10-08 | 普天信息技术有限公司 | The control method of master control transmission power |
| CN107707364A (en) * | 2017-11-06 | 2018-02-16 | 李雨航 | A kind of battery powered power-saving method of arrowband Internet of Things and device |
| CN108234042A (en) * | 2018-01-03 | 2018-06-29 | 深圳科立讯通信有限公司 | Digital signal detection method, apparatus, computer equipment and readable storage medium storing program for executing |
| CN108234042B (en) * | 2018-01-03 | 2021-06-04 | 深圳科立讯通信有限公司 | Digital signal detection method, device, computer equipment and readable storage medium |
| CN109526046A (en) * | 2019-01-07 | 2019-03-26 | 福建科立讯通信有限公司 | A kind of digital walkie-talkie transmission power optimizes and revises system and method |
| US10904055B2 (en) | 2019-01-18 | 2021-01-26 | Analog Devices International Unlimited Company | Digital mobile radio with enhanced transceiver |
| CN110890941A (en) * | 2019-12-09 | 2020-03-17 | 深圳森虎科技股份有限公司 | Method for realizing reverse message through CSBK signaling |
| CN111726754A (en) * | 2020-07-31 | 2020-09-29 | 深圳市尚酷科技有限公司 | Intelligent communication system of interphone |
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Application publication date: 20141119 |
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