CN101754337A - Automatic power adjusting method of microprogramming technique 1327 (MPT1327) mobile hand-held station - Google Patents
Automatic power adjusting method of microprogramming technique 1327 (MPT1327) mobile hand-held station Download PDFInfo
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- CN101754337A CN101754337A CN200910217433A CN200910217433A CN101754337A CN 101754337 A CN101754337 A CN 101754337A CN 200910217433 A CN200910217433 A CN 200910217433A CN 200910217433 A CN200910217433 A CN 200910217433A CN 101754337 A CN101754337 A CN 101754337A
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- mpt1327
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- transmitting power
- ambulatory handheld
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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 an automatic power adjusting method of a microprogramming technique 1327 (MPT1327) mobile hand-held station with electricity saving, longer standby time of terminal and excellent performance. The transmitting power of the MPT1327 mobile hand-held station is automatically adjusted according to a received signal strength indication (RSSI) value transmitted by a base station. Two RSSI threshold values are set for the MPT1327 mobile hand-held station, the transmitting power values corresponding to the two threshold values are respectively calculated, modeling is carried out according to the threshold values and the corresponding power values and by referencing an electric ware space transmission theory so as to establish a mathematical model. The MPT1327 mobile hand-held station detects the strength of signals transmitted by a base station at any time, and the transmitting power of the hand-held station is dynamically calculated according to a model function, thereby the automatic adjustment of the transmission power of the MPT1327 mobile hand-held station is realized. The invention can reduce electricity consumption, prolong the standby time of the terminal, has more excellent performance, improve the user experience of users and fully use the inherent technological advantages of the MPT1327 mobile hand-held station.
Description
(1) technical field
The present invention relates to the communication technology, is exactly a kind of MPT1327 ambulatory handheld platform automated power method of adjustment specifically.
(2) background technology
During tradition MPT1327 ambulatory handheld platform was used, MPT1327 ambulatory handheld platform all was to adopt fixing high and low two grades of transmitting powers, by far and near artificial adjust of user according to the distance base station.Because the mobility at random of MPT1327 ambulatory handheld platform, distance between MPT1327 ambulatory handheld platform and the base station also is a change at random, if MPT1327 ambulatory handheld platform transmitting power is the same, it is strong and weak different to arrive signal of base station so, otherwise from the nearly signal in base station by force then a little less than, the non-linear of MPT1327 trunked mobile communication system then further increases the weight of, and the phenomenon that the strong becomes stronger occurs, just near-far interference.Because MPT1327 ambulatory handheld platform is a random distribution, and often change, far away when same hand-held station user has from the base station, sometimes near the base station.If the transmitting power of MPT1327 ambulatory handheld platform adopts high power, then when hand-held station during near the base station, power must be superfluous, and high power institute current sinking is very big, a kind of waste of electric energy beyond doubt, the service time of shortening battery; And the strong signal nearer apart from the base station can suppress the weak signal far away apart from the base station and cause near-far interference.The tradition solution is the transmitting power of user's manual adjustment MPT1327 ambulatory handheld platform, can cause signal to die down suddenly like this or strengthen suddenly and other users are produced additional interference, and manual adjustments makes troubles also for user's use.In MPT1327 ambulatory handheld platform is used, how under existing network environment, to realize MPT1327 ambulatory handheld platform saves energy, the problem that prolongs the operating time of battery becomes focal issue with to be solved.
(3) summary of the invention
The object of the present invention is to provide and a kind ofly save power consumption, make the MPT1327 ambulatory handheld platform automated power method of adjustment of longer, superior performance of terminal standby time.
The object of the present invention is achieved like this: described MPT1327 ambulatory handheld platform automated power method of adjustment is as follows: the transmitting power of MPT1327 ambulatory handheld platform is adjusted automatically according to signal strength signal intensity (RSSI) value of base station, described MPT1327 ambulatory handheld platform is provided with two signal strength signal intensities (RSSI) threshold values, calculate the corresponding transmitting power of two threshold values respectively, according to threshold values and corresponding performance number, with reference to the theoretical modeling of electric wave spatial transmission, establish Mathematical Modeling, signal strength signal intensity (RSSI) value of described MPT1327 ambulatory handheld platform base stations detected emission constantly, and go out the transmitting power of hand-held station according to pattern function equation dynamic calculation, realize of the RSSI value automatically adjustment of MPT1327 ambulatory handheld platform transmitting power according to base station.
It is A and B that described MPT1327 ambulatory handheld platform is provided with two signal strength signal intensities (RSSI) threshold values, satisfy A＜B, threshold values A is-90db, B is-100db, wherein threshold values A range of choice be-67db～-95db, threshold values B range of choice for-96db～-125db, by special-purpose software threshold values A and B are write MPT1327 ambulatory handheld platform when dispatching from the factory.
Described automated power adjustment member is a part in threshold values A and the B interval range, interval outer part adopts fixed transmission power, two transmitting powers outside threshold values A and the B interval are defined as fixed transmission power M and N respectively, N＞M wherein, the value of transmitting power N is 5W, the value of transmitting power M is 1W, the signal strength signal intensity (RSSI) of MPT1327 ambulatory handheld platform start back base stations detected emission constantly, during the emission of described MPT1327 ambulatory handheld platform according to current detection to the RSSI threshold values of signal strength signal intensity (RSSI) and Default Value compare, if current signal intensity value＜A, transmitting power is fixed as M; Current signal intensity value＞B, transmitting power is fixed as N; Current signal intensity value＞A and＜B, described MPT1327 ambulatory handheld platform goes out the transmitting power of hand-held station according to pattern function equation dynamic calculation.
Described pattern function equation is such: the computational methods of the wireless communication distance when providing free space here and propagating: so-called free space is propagated the radio wave propagation when meaning around the antenna to infinitely great vacuum, it is the ideal propagation condition, when electric wave is propagated at free space, its energy neither can be absorbed by barrier, can not produce reflection or scattering yet, communication distance is relevant with transmitting power, receiving sensitivity and operating frequency
L
bs＝32.44+20lgf(MH
Z)+20lgd(Km)
L in the formula
BsBe loss, unit is dB
D is a transmission range, and unit is Km
F is the operating frequency frequency, and unit is MH
Z
By following formula as seen, radio wave propagation loss in the free space (also claim decay) is only relevant with propagation distance d with operating frequency f, when f or d increase when being twice L
BsTo increase 6dB respectively.
MPT1327 ambulatory handheld platform automated power method of adjustment of the present invention, compared with prior art, MPT1327 ambulatory handheld platform automated power adjustment technology can be saved power consumption, can make the terminal standby time longer, performance is more superior, improve user's user experience, give full play to the intrinsic technical advantage of MPT1327 ambulatory handheld platform.
(4) description of drawings
Fig. 1 is the flow process principle schematic of transmitting power being adjusted according to received signal intensity of the present invention;
Fig. 2 is the Mathematical Modeling schematic diagram of the signal strength values dynamic calculation transmitting power according to base station of the present invention.
(5) embodiment
The invention will be further described for example below in conjunction with accompanying drawing.
Embodiment 1: in conjunction with Fig. 1, Fig. 2, a kind of MPT1327 ambulatory handheld of the present invention platform automated power method of adjustment: the transmitting power of MPT1327 ambulatory handheld platform is adjusted automatically according to signal strength signal intensity (RSSI) value of base station, described MPT1327 ambulatory handheld platform is provided with two signal strength signal intensities (RSSI) threshold values, calculate the corresponding transmitting power of two threshold values respectively, according to threshold values and corresponding performance number, with reference to the theoretical modeling of electric wave spatial transmission, establish Mathematical Modeling, signal strength signal intensity (RSSI) value of described MPT1327 ambulatory handheld platform base stations detected emission constantly, and go out the transmitting power of hand-held station according to pattern function equation dynamic calculation, realize of the RSSI value automatically adjustment of MPT1327 ambulatory handheld platform transmitting power according to base station.
It is A and B that described MPT1327 ambulatory handheld platform is provided with two signal strength signal intensities (RSSI) threshold values, satisfy A＜B, threshold values A is-90db, B is-100db, wherein threshold values A range of choice be-67db～-95db, threshold values B range of choice for-96db～-125db, by special-purpose software threshold values A and B are write MPT1327 ambulatory handheld platform when dispatching from the factory.
Described automated power adjustment member is a part in threshold values A and the B interval range, interval outer part adopts fixed transmission power, two transmitting powers outside threshold values A and the B interval are defined as fixed transmission power M and N respectively, N＞M wherein, the value of transmitting power N is 5W, the value of transmitting power M is 1W, the signal strength signal intensity (RSSI) of MPT1327 ambulatory handheld platform start back base stations detected emission constantly, during the emission of described MPT1327 ambulatory handheld platform according to current detection to the RSSI threshold values of signal strength signal intensity (RSSI) and Default Value compare, if current signal intensity value＜A, transmitting power is fixed as M; Current signal intensity value＞B, transmitting power is fixed as N; Current signal intensity value＞A and＜B, described MPT1327 ambulatory handheld platform goes out the transmitting power of hand-held station according to pattern function equation dynamic calculation.
Described pattern function equation is such: the computational methods of the wireless communication distance when providing free space here and propagating: so-called free space is propagated the radio wave propagation when meaning around the antenna to infinitely great vacuum, it is the ideal propagation condition, when electric wave is propagated at free space, its energy neither can be absorbed by barrier, can not produce reflection or scattering yet, communication distance is relevant with transmitting power, receiving sensitivity and operating frequency
L
bs＝32.44+20lgf(MH
Z)+20lgd(Km)
L in the formula
BsBe loss, unit is dB
D is a transmission range, and unit is Km
F is the operating frequency frequency, and unit is MH
Z
By following formula as seen, radio wave propagation loss in the free space (also claim decay) is only relevant with propagation distance d with operating frequency f, when f or d increase when being twice L
BsTo increase 6dB respectively.
Embodiment 2: in conjunction with Fig. 1, Fig. 2, MPT1327 ambulatory handheld platform writes two signal strength signal intensities (RSSI) threshold values by special-purpose software before dispatching from the factory, and threshold values is A and B, satisfies A＜B.Special-purpose software default signal intensity (RSSI) threshold values A is-90db, and B is-100db, wherein threshold values A range of choice be-67db～-95db, threshold values B range of choice for-96db～-125db.By special-purpose software threshold values A and B are write hand-held station when dispatching from the factory.Can be provided with in the special-purpose software that do not coexist according to user's concrete use zone different threshold values A and B are set, as to satisfy user's actual demand.The automated power adjustment member is a part in threshold values A and the B interval range, and interval outer part adopts fixed transmission power.Two transmitting powers outside this method threshold values A and the B interval are defined as fixed transmission power M and N respectively, N＞M wherein, and the value of transmitting power N is 5W, the value of transmitting power M is 1W.
When the signal strength signal intensity (RSSI) of MPT1327 ambulatory handheld platform start back base stations detected emission constantly, described hand-held station emission according to current detection to the RSSI threshold values of signal strength signal intensity (RSSI) and Default Value compare, if
1. current signal intensity value＜A, transmitting power is fixed as M
2. current signal intensity value＞B, transmitting power is fixed as N
Current signal intensity value＞A and＜B, described ambulatory handheld platform is according to pattern function
The equation dynamic calculation goes out the transmitting power of hand-held station
Pattern function is described as follows in wherein above-mentioned 3
The computational methods of the wireless communication distance when providing free space here and propagating: so-called free space is propagated the radio wave propagation when meaning around the antenna to infinitely great vacuum, and it is the ideal propagation condition.When electric wave was propagated at free space, its energy neither can be absorbed by barrier, also can not produce reflection or scattering.
Communication distance is relevant with transmitting power, receiving sensitivity and operating frequency.
L
bs＝32.44+20lgf(MH
Z)+20lgd(Km)
L in the formula
BsBe loss, unit is dB
D is a transmission range, and unit is Km
F is the operating frequency frequency, and unit is MH
Z
By following formula as seen, radio wave propagation loss in the free space (also claim decay) is only relevant with propagation distance d with operating frequency f, when f or d increase when being twice L
BsTo increase 6dB respectively.
Example: if the propagation loss in certain path is 50dB, the power of transmitter is 10dB, and the received signal level of receiver is-40dB so.
Illustrating an operating frequency below is 433.92MH
Z, transmitting power is+10dBm (10mW), and receiving sensitivity is-and the system of 105dBm is in the propagation distance of free space:
1. by transmitting power+10dBm, receiving sensitivity is-105dBm, calculates L
Bs=115dB
2. by L
Bs, f, calculate d=30Km
This is the transmission range under the ideal state, in the actual application is to be lower than this value, and this is the influence that will be subjected to various extraneous factors because of radio communication, the loss that causes as atmosphere, obstacle, multipath etc., the reference value of above-mentioned loss is counted in the following formula, can calculate approximate communication distance.The loss that suppose atmosphere, block etc. causes is 25dB, and can calculate communication distance is d=1.7Km.The automated power method of adjustment that MPT1327 ambulatory handheld platform automated power method of adjustment of the present invention is discussed is fully considered above-mentioned loss, sets up Mathematical Modeling, and MPT1327 ambulatory handheld platform changes transmitting power automatically according to foundation Mathematical Modeling.
As shown in Figure 2, wherein abscissa is the RSSI threshold values, and ordinate is a MPT1327 ambulatory handheld platform actual emission power power; Threshold values A is corresponding with M power, and threshold values B is corresponding with N power; I part among the figure, described hand-held station transmitting power is fixed as M; III part among the figure, described hand-held station transmitting power is fixed as N; II partly is the pattern function of structure among the figure, and described ambulatory handheld platform goes out the transmitting power of hand-held station according to pattern function equation dynamic calculation.
After this modelling, the transmitting power that MPT1327 ambulatory handheld platform can be worth quick and accurate definite hand-held station according to the signal strength signal intensity (RSSI) of current base station emission realizes the automatic adjusting of transmitting power as can be seen.
The present invention is the tectonic model function not, selects a plurality of signal strength signal intensities (RSSI) threshold values, can obtain a plurality of (RSSI) threshold values interval like this, and MPT1327 ambulatory handheld platform calculates its corresponding actual emission power according to different (RSSI) threshold values respectively.
Claims (4)
1. MPT1327 ambulatory handheld platform automated power method of adjustment, it is characterized in that: the transmitting power of MPT1327 ambulatory handheld platform is adjusted automatically according to signal strength signal intensity (RSSI) value of base station, MPT1327 ambulatory handheld platform is provided with two signal strength signal intensities (RSSI) threshold values, calculate the corresponding transmitting power of two threshold values respectively, according to threshold values and corresponding performance number, with reference to the theoretical modeling of electric wave spatial transmission, establish Mathematical Modeling, signal strength signal intensity (RSSI) value of MPT1327 ambulatory handheld platform base stations detected emission constantly, and go out the transmitting power of hand-held station according to pattern function equation dynamic calculation, realize of the RSSI value automatically adjustment of MPT1327 ambulatory handheld platform transmitting power according to base station.
2. a kind of MPT1327 ambulatory handheld platform automated power method of adjustment according to claim 1, it is characterized in that: it is A and B that described MPT1327 ambulatory handheld platform is provided with two signal strength signal intensities (RSSI) threshold values, satisfy A＜B, threshold values A is-90db, B is-100db, wherein threshold values A range of choice be-67db～-95db, threshold values B range of choice for-96db～-125db, by special-purpose software threshold values A and B are write MPT1327 ambulatory handheld platform when dispatching from the factory.
3. a kind of MPT1327 ambulatory handheld platform automated power method of adjustment according to claim 1, it is characterized in that: described automated power adjustment member is a part in threshold values A and the B interval range, interval outer part adopts fixed transmission power, two transmitting powers outside threshold values A and the B interval are defined as fixed transmission power M and N respectively, N＞M wherein, the value of transmitting power N is 5W, the value of transmitting power M is 1W, the signal strength signal intensity (RSSI) of MPT1327 ambulatory handheld platform start back base stations detected emission constantly, during the emission of described MPT1327 ambulatory handheld platform according to current detection to the RSSI threshold values of signal strength signal intensity (RSSI) and Default Value compare, if current signal intensity value＜A, transmitting power is fixed as M; Current signal intensity value＞B, transmitting power is fixed as N; Current signal intensity value＞A and＜B, described MPT1327 ambulatory handheld platform goes out the transmitting power of hand-held station according to pattern function equation dynamic calculation.
4. a kind of MPT1327 ambulatory handheld platform automated power method of adjustment according to claim 3; It is characterized in that: described pattern function equation is such: the computational methods of the wireless communication distance when providing free-space propagation here: the radio wave propagation when the liberty spatial means antenna on every side for infinitely great vacuum; It is the ideal propagation condition; Electric wave is when free-space propagation; Its energy neither can be absorbed by barrier; Can not produce reflection or scattering yet; Communication distance is relevant with transmitting power, receiving sensitivity and operating frequency
L
bs＝32.44+20lgf(MH
Z)+20lgd(Km)
L in the formula
BsBe loss, unit is dB
D is a transmission range, and unit is Km
F is the operating frequency frequency, and unit is MH
Z
By following formula as seen, radio wave propagation loss in the free space (also claim decay) is only relevant with propagation distance d with operating frequency f, when f or d increase when being twice L
BsTo increase 6dB respectively.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003618A1 (en) * | 2010-07-05 | 2012-01-12 | 海能达通信股份有限公司 | Terminal in digital mobile radio relay system, transmission power regulation method and system thereof |
| CN103188778A (en) * | 2011-12-31 | 2013-07-03 | 国民技术股份有限公司 | Communication power control method, communication equipment and communication system based on RSSI |
| CN105142205A (en) * | 2015-06-12 | 2015-12-09 | 北京创毅视讯科技有限公司 | Method and terminal for adjusting transmission power in private network communication |
| CN106100947A (en) * | 2016-07-29 | 2016-11-09 | 杭州鸿雁电器有限公司 | A kind of identify the method for home equipment, Apparatus and system |
| CN107148075A (en) * | 2016-03-01 | 2017-09-08 | 华为技术有限公司 | Power adjustment method and device |
| CN108966334A (en) * | 2018-08-15 | 2018-12-07 | 安徽宏远仪表有限公司 | A kind of intelligent power method of adjustment |
| CN113885646A (en) * | 2021-09-29 | 2022-01-04 | 深圳市吉祥腾达科技有限公司 | Automatic regulating and controlling method for wireless power of network bridge and readable storage medium |
| CN115278850A (en) * | 2022-09-29 | 2022-11-01 | 深圳市广和通无线通信软件有限公司 | Power self-adaptive adjustment method and device based on general algorithm and computer equipment |
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2009
- 2009-12-28 CN CN200910217433A patent/CN101754337A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003618A1 (en) * | 2010-07-05 | 2012-01-12 | 海能达通信股份有限公司 | Terminal in digital mobile radio relay system, transmission power regulation method and system thereof |
| US8942159B2 (en) | 2010-07-05 | 2015-01-27 | Hytera Communications Corp., Ltd. | Terminal in digital mobile radio relay system, transmission power regulation method and system thereof |
| CN103188778A (en) * | 2011-12-31 | 2013-07-03 | 国民技术股份有限公司 | Communication power control method, communication equipment and communication system based on RSSI |
| CN105142205A (en) * | 2015-06-12 | 2015-12-09 | 北京创毅视讯科技有限公司 | Method and terminal for adjusting transmission power in private network communication |
| CN107148075A (en) * | 2016-03-01 | 2017-09-08 | 华为技术有限公司 | Power adjustment method and device |
| CN107148075B (en) * | 2016-03-01 | 2020-08-25 | 华为技术有限公司 | Power adjustment method and device |
| CN106100947A (en) * | 2016-07-29 | 2016-11-09 | 杭州鸿雁电器有限公司 | A kind of identify the method for home equipment, Apparatus and system |
| CN108966334A (en) * | 2018-08-15 | 2018-12-07 | 安徽宏远仪表有限公司 | A kind of intelligent power method of adjustment |
| CN113885646A (en) * | 2021-09-29 | 2022-01-04 | 深圳市吉祥腾达科技有限公司 | Automatic regulating and controlling method for wireless power of network bridge and readable storage medium |
| CN115278850A (en) * | 2022-09-29 | 2022-11-01 | 深圳市广和通无线通信软件有限公司 | Power self-adaptive adjustment method and device based on general algorithm and computer equipment |
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