CN101291510B - Intelligent power-off method for carrier frequency - Google Patents
Intelligent power-off method for carrier frequency Download PDFInfo
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- CN101291510B CN101291510B CN2008101104549A CN200810110454A CN101291510B CN 101291510 B CN101291510 B CN 101291510B CN 2008101104549 A CN2008101104549 A CN 2008101104549A CN 200810110454 A CN200810110454 A CN 200810110454A CN 101291510 B CN101291510 B CN 101291510B
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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
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Abstract
The invention discloses an intelligent power-down method of a carrier frequency. The method is suitable for a mobile communication system and comprises the following steps that: A. the channel attribute of the carrier frequency is taken as a necessary choice factor of power-down, the power-down PRI of each channel attribute is set; a power-down weight is set for the carrier frequency, each channel attribute respectively corresponds to different positions from high to low in the power-down weight according to the power-down PRI; B. channel attribute information of each carrier frequency in thecurrent cell is determined; aiming at each carrier frequency, according to the channel attribute information of the carrier frequency, a concrete value of the corresponding position in the power-downweight under the carrier frequency is determined; C. the biggest carrier frequency of the power-down weight is selected to perform the power-down. By utilizing the method, the carrier frequency capable of realizing the intelligent power-down can be selected accurately in a quantized way to perform the power-down, thereby reducing the influence on the communication function of the communication system under the pre-condition of saving the electrical energy.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular in a kind of GSM method for electrically under the intelligence of carrier frequency.
Background technology
Along with global resource is more and more nervous, the energy-conservation common topic in the whole world that become.At field of telecommunications, how saving resource also is the factor that global system for mobile communications (GSM, Global System forMobile Communication) will be considered.Telecom operators have proposed low-loss requirement in order to reduce operation cost to GSM equipment, so the whole power consumption performance of GSM product becomes the important indicator that equipment is selected by telecom operators.
At present; Telecom operators are in order to save electric energy; Proposed under the not busy situation of traffic the carrier frequency of unnecessary configuration is carried out automatically electricity (power supply of promptly turning off this carrier frequency) down, the demand that traffic powers on after rising automatically again, this demand is called as under the intelligence of carrier frequency.
If realize intelligence electricity down, need the carrier frequency in the sub-district be distinguished, going out which carrier frequency respectively can following electricity, and which carrier frequency cannot descend electricity, and is minimum with the communication function influence to communication system under the prerequisite that is implemented in saves energy.
But, also do not have in the prior art method for electrically under a kind of effective intelligence can distinguish effectively in the current area can below electricity and the carrier frequency that cannot descend electricity, under the prerequisite of saves energy, to reduce influence as far as possible to the communication system communication function.
Summary of the invention
In view of this; Technical problem to be solved by this invention is to provide method for electrically under a kind of intelligence of carrier frequency; With the form that quantizes select exactly can intelligence down electricity carrier frequency and this carrier frequency descend electric, reduce influence thereby be implemented under the prerequisite of saves energy to the communication system communication function as far as possible.
In order to realize the foregoing invention purpose, main technical schemes of the present invention is:
Method for electrically under a kind of intelligence of carrier frequency is applicable to GSM, comprising:
A, with the channel attribute of carrier frequency as the necessary choice factor of electricity down, the following electric priority of each channel attribute is set; For carrier frequency is provided with down electric weights, each channel attribute is according to from high to low not coordination in the following corresponding respectively electric weights down of electric priority; B, confirm the channel attribute information of each carrier frequency in the current area; To each carrier frequency, confirm under this carrier frequency the concrete value of corresponding position in the electric weights according to the channel attribute information of this carrier frequency; C, the maximum carrier frequency of the down electric weights of selection descend;
Said carrier frequency channel attribute as the necessary choice factor is followed successively by according to following electric priority:
Whether the channel of this carrier frequency is non-BCCH BCCH;
Whether this carrier frequency is the carrier frequency of first sub cell;
In the residual carrier frequency in the current area except that current carrier frequency whether circuit domain CS channel and packet domain PS channel are arranged.
Preferably, said electric weights down are binary number, and initial value is 0; Step B is said to each carrier frequency, confirms under this carrier frequency that based on the channel attribute information of this carrier frequency the method for the concrete value of corresponding position is in the electric weights:
Whether the channel of judging this carrier frequency is non-BCCH, if then will descend the correspondence position 1 in the electric weights, otherwise puts 0;
Judge that whether this carrier frequency is the carrier frequency of first sub cell, if then will descend the correspondence position 1 in the electric weights, otherwise puts 0;
Judge in the current area in the residual carrier frequency except that current carrier frequency whether CS channel and PS channel are arranged,, otherwise put 0 if then will descend the correspondence position 1 in the electric weights.
Preferably, said down electric weights are eight binary number, and whether the channel of wherein said carrier frequency is the 7th of the corresponding said electric weights down of non-BCCH, and whether said carrier frequency is the 6th of the corresponding said electric weights down of the first sub cell carrier frequency; Whether the 5th of said time electric weights of CS channel and PS channel correspondence is arranged in the residual carrier frequency in the said current area except that current carrier frequency.
Preferably, said method further with the telephone traffic of carrier frequency and performance index as the expansion selection factor of electricity down, this expansion selection factor under carrier frequency in the electric weights corresponding position be lower than said necessary choice factor corresponding; In step B, further confirm the telephone traffic and the performance index of each carrier frequency in the current area,, confirm under this carrier frequency corresponding concrete value in the electric weights according to the telephone traffic and the performance index information of this carrier frequency to each carrier frequency.
Preferably, among the step B,, confirm under this carrier frequency that based on the telephone traffic of this carrier frequency and performance index information the method for the concrete value of corresponding position is in the electric weights to each carrier frequency:
The telephone traffic index of carrier frequency is divided M grade from low to high, the performance index of carrier frequency are divided M grade by good to difference, the value of M for setting; Telephone traffic weight and performance weights are set simultaneously, said telephone traffic weight and performance weights and be 1;
Confirm the telephone traffic of current carrier frequency and the grade of performance index, confirm the concrete value of telephone traffic and performance index corresponding position in following electric weights according to the following equation:
Performance index grade * performance weights+(M+1-telephone traffic index grade) * telephone traffic weight.
Preferably, said electric weights down are eight binary number, and said expansion selection factor is to descending back four in the electric weights.
Preferably, the telephone traffic index of said carrier frequency is the channel occupancy ratio of carrier frequency, and the performance index of said carrier frequency are the cutting off rate of carrier frequency.
Preferably, this method before the electric carrier frequency, further comprises under selecting:
Whether the telephone traffic of statistics current area, the telephone traffic of judging statistics reach carrier frequency number available in preset following electric switch limit value and the current area more than or equal to 2, if then select down electric carrier frequency and descend; Otherwise, do not select down electric carrier frequency to descend.
Preferably, the selection course of electric carrier frequency is carried out by the base station controller in the GSM under in this method; After base station controller chose down electric carrier frequency, the informing base station transceiver was carried out the following electricity operation that this carrier frequency is carried out by this base station transceiver.
Among the present invention; With the channel attribute of carrier frequency as the necessary choice factor of electricity down; And for carrier frequency is provided with down electric weights, each channel attribute is confirmed the value of corresponding position in the said electric weights down then according to from high to low not coordination in the following corresponding respectively electric weights down of electric priority according to the channel attribute information of carrier frequency; Thereby confirm the value of electric weights down, selecting down, the maximum carrier frequency of electric weights descends.Because channel attribute has directly reflected the electric down influence to the GSM communication function of carrier frequency; Therefore utilize the present invention to confirm exactly that according to the channel attribute of carrier frequency current area need most down electric carrier frequency, reduce influence as far as possible the communication system communication function thereby be implemented under the prerequisite of saves energy with the method that quantizes.
Implementation method of the present invention is simple, just can calculate the following electric weights of each carrier frequency in the sub-district through several simple judgement assignment, thereby it is effective fast to make that down electric separation is selected process, has practiced thrift time electric time, has further reduced the consumption of electric energy.
And the present invention can also be with performance index and telephone traffic index as the expansion selection factor of electricity down, thereby the following electric separation of carrier frequency is selected further segmentation, can select down electric carrier frequency more accurately and rapidly.
In addition; Autgmentability of the present invention is strong, and the said figure place of electric weights down can be expanded according to the selection factor number of reality, and described necessary choice factor is not limited to above-mentioned three; The necessary choice factor that other expansion also can be arranged, a need will descend the figure place of electric weights to carry out respective extension and get final product.
Description of drawings
Fig. 1 is the flow chart of a specific embodiment of electric carrier frequency under the selection according to the invention.
Embodiment
Below by specific embodiment and accompanying drawing the present invention is explained further details.
Core technology scheme of the present invention is: the channel attribute of carrier frequency as the necessary choice factor of electricity down, is provided with the following electric priority of each channel attribute; For carrier frequency is provided with down electric weights, each channel attribute is according to from high to low not coordination in the following corresponding respectively electric weights down of electric priority; Confirm the channel attribute information of each carrier frequency in the current area; To each carrier frequency, confirm under this carrier frequency the concrete value of corresponding position in the electric weights according to the channel attribute information of this carrier frequency; Selecting down, the maximum carrier frequency of electric weights descends.
The present invention is applicable to GSM, is particularly useful for global system for mobile communications (GSM, Global System for Mobile Communication), and the said selection course of electric carrier frequency is down carried out by the base station controller in the GSM (BSC); After BSC chooses down electric carrier frequency, informing base station transceiver (BTS), by the following electricity operation that this BTS execution is carried out this carrier frequency, the concrete electricity down of BTS is operating as prior art, and the present invention mainly describes the selection course of following electric carrier frequency.
Among the present invention, the selection factor of selecting electric carrier frequency down to consider is the channel attribute of carrier frequency, comprises successively according to electric priority down as the carrier frequency channel attribute information of necessary choice factor:
A) whether be BCCH (BCCH, Broadcast Control Channel) carrier frequency.
B) whether be the carrier frequency of first sub cell.Interior circle when said first sub cell is the concentric circles configuration of the known sub-district of industry that is to say when a cell configuration becomes concentric circles, and microzonation has been divided into two or more sub cell, and interior circle wherein is referred to as first sub cell.
C) whether circuit domain (CS) channel and packet domain (PS) channel are arranged in the sub-district in the residual carrier frequency of this carrier frequency.Described CS channel for example can be traffic channel (TCH, Traffic Channel), and described PS channel for example can be packet data traffic channel (PDTCH, Packet Data TrafficChannel) channel etc.
Need correspondence that selection strategy is set to above-mentioned every kind of necessary choice factor, the present invention need select the carrier frequency of needs download successively according to the selection strategy order of following priority:
At first, non-BCCH carrier frequency preferentially down;
Secondly, the carrier frequency in preferentially following electric first sub cell;
Once more, behind the electricity, whether CS channel and PS channel are arranged in the residual carrier frequency in the sub-district under this carrier frequency of selection, then preferential this carrier frequency of electricity is down arranged.
In order further to optimize the present invention, except the above-mentioned selection factor that must consider, the present invention also need consider the selection factor of some expansions during electric carrier frequency under selecting.
In a kind of preferred implementation of the present invention, the selection factor of expansion can be d) carrier frequency telephone traffic index; E) carrier frequency performance index.In a kind of preferred embodiment, the telephone traffic index of said carrier frequency is the channel occupancy ratio of carrier frequency, and the performance index of said carrier frequency are the cutting off rate of carrier frequency.
Above-mentioned every kind of corresponding selection strategy of expansion selection factor is:
1) carrier frequency that telephone traffic is minimum preferentially down;
2) the poorest carrier frequency of performance preferentially descends.
The selection factor that more than is the present invention when selecting electric carrier frequency down and the selection strategy of every kind of selection factor correspondence; In order to select the most appropriate carrier frequency exactly to carry out under the intelligence; Need confirm the value of a quantification respectively to each carrier frequency in the current area based on above-mentioned selection factor and selection strategy thereof, carry out under the intelligence electric separation based on this quantized value and select.
Among the present invention, can electric weights down be set for each carrier frequency in the sub-district, the electric weights of this time are binary numbers; Its figure place is confirmed according to said selection factor; The necessary choice factor is corresponding high-order, and every kind of necessary choice factor is monopolized one, several of the then corresponding backs of expansion selection factor.For example above-mentioned necessary choice factor has three, said so in one embodiment down electric weights to have at least three corresponding with each necessary choice factor respectively, from a high position to the low level corresponding successively above-mentioned selection factor a), b), c); Above-mentioned expansion selection factor d) and e) can be used for definite said value of the low level of electric weights down; Therefore the said figure place of the low level of electric weights down needs to hold the span that the expansion selection factor is confirmed; In a kind of preferred embodiment of the present invention, the figure place that said electric weights are down confirmed by the expansion selection factor is four.
The said initial value of electric weights down is 0; BSC at first need confirm the concrete condition of said each selection factor; Whether meet the value that corresponding alternative condition is confirmed corresponding position according to each selection factor,, otherwise put 0 if for example the necessary choice factor of this correspondence meets alternative condition then puts 1.
Above-mentioned expansion selection factor is that the value of carrier frequency performance data and the corresponding position of traffic data can be confirmed based on Weight algorithm.In order to embody performance and the equal importance of telephone traffic level, the carrier frequency performance data is divided into an identical M grade with traffic data according to rank, this M is the value of setting, and for example can be five.For example the telephone traffic index of carrier frequency is divided 1～5 five grade from low to high; Performance index to carrier frequency are divided 1～5 five grade by good to difference; The carrier frequency grade that wherein telephone traffic is the highest is 5; The best carrier frequency grade of performance data is 1, and the poorest carrier frequency grade of performance data is 5, and the carrier frequency grade that telephone traffic is minimum is 1.Then, give a weighted value respectively to said each expansion factor again, each the expansion factor weighted value with value be 1.For example give a weighted value respectively for above-mentioned performance data and traffic data, for example the weighted value of traffic data is 0.4, and the weighted value of carrier frequency data is 0.6.The value of the corresponding figure place of expansion selection factor in the electric weights under confirming according to following formula (1) at last: performance index grade * performance weights+(M+1-telephone traffic index grade) * telephone traffic weight.(1)
Such as, the telephone traffic rank of certain carrier frequency is 1, weight is 0.4; The carrier frequency performance class is 5, and weight is 0.6, and the value of expanding the corresponding position of selection factor so is 5*0.6+ (6-1) * 0.4=5; If corresponding being of this expansion selection factor be back four of electric weights down, then specifically value is 0101.In addition, the figure place of following electric weights can expand based on actual needs again, for example also can be 16, and unnecessary position can be used as the expanding location sky, but said selection factor is based on from high to low position in the corresponding successively electric weights down of the order of priority.
Table 1 is the value explanation of electric weights under a kind of carrier frequency of eight-digit binary number:
| Idle | The 8th |
| Non-BCCH carrier frequency is 1, otherwise is 0 | The 7th |
| First sub cell is 1, otherwise is 0 | The 6th |
| Be 1 when CS and PS channel are arranged in the residual carrier frequency, otherwise be 0 | The 5th |
| Performance index grade * performance weights+(M+1-telephone traffic index grade) * telephone traffic weight | Four of backs |
Table 1
In the table 1, it is idle that the highest order of following electric weights is the 8th, is the position of reserving when increasing the necessary choice factor newly after being used for; The 7th corresponding necessary choice factor a) with this position 1, otherwise puts 0 when being non-BCCH channel; The 6th corresponding necessary choice factor b), when being first sub-district,, otherwise put 0 with this position 1; The 5th corresponding necessary choice factor c), it is with this position 1 that CS and PS channel are arranged in residual carrier frequency, otherwise puts 0; Four correspondences in back are expanded selection factor d) and e), confirm its value according to formula (1).
BSC calculates according to the following electric weights of above-mentioned table 1 with all carrier frequency in the sub-district (available carrier frequencies number must more than or equal to 2), and the carrier frequency that weights are maximum descends.Through said method of the present invention, BSC has picked out at an easy rate needs the carrier frequency of electricity down.
In addition; The present invention is under selecting before the electric carrier frequency; Can further include: whether the telephone traffic of statistics current area, the telephone traffic of judging statistics reach carrier frequency number available in preset following electric switch limit value and the current area more than or equal to 2, if then select down electric carrier frequency and descend; Otherwise, do not select down electric carrier frequency more can not descend.
Fig. 1 is the flow chart of a specific embodiment of electric carrier frequency under the selection according to the invention.Present embodiment is to carry out more than or equal to 2 o'clock at the worthwhile available carrier frequencies number that reaches down in electric switch limit value and the sub-district of the traffic statistic of current area; And adopt the carrier frequency cutting off rate as performance index; The channel occupancy of carrier frequency likens to and is the telephone traffic index; The following electric weights of each carrier frequency are eight binary number, and everybody value to be illustrated as table 1 said.Referring to Fig. 1, this flow process comprises:
The channel attribute information of each carrier frequency (the available carrier frequencies number is more than or equal to 2) in step 101, the repeating query inquiry current area, the following electric weights of each carrier frequency of initialization are 0; With first carrier frequency as current carrier frequency.
Step 102, judge whether current carrier frequency is non-BCCH carrier frequency, and promptly whether the channel of current carrier frequency is non-BCCH, if, then with the 7th position 1 of electric weights under the current carrier frequency, otherwise with the 7th position 0 of electric weights under the current carrier frequency.
Step 103, judge whether current carrier frequency belongs to first sub cell of current area, if, then with the 6th position 1 of electric weights under the current carrier frequency; Otherwise the 6th position 0 with electric weights under the current carrier frequency.
Step 104, judge in the current area in the residual carrier frequency except that current carrier frequency whether CS channel and PS channel are arranged, if then with the 5th position 1 of electric weights under the current carrier frequency, otherwise with the 5th position 0 of electric weights under the current carrier frequency.
Step 105, with cutting off rate according to 0～2%, 2%～5%, 5%～10%, 10%～15%, 15%～100%; Be divided into 1～5 grade; The channel occupancy of carrier frequency is than being divided into 1～5 grade according to 20% 1 classification: 1: 0～20% ..., 5: 80%～100%; According to the grade of said division, confirm the performance index grade and the telephone traffic index grade of current carrier frequency; Confirm under the current carrier frequency four value behind the electric weights according to following formula then:
Performance index grade * performance weights+(6-telephone traffic index grade) * telephone traffic weight
Such as, the telephone traffic rank of certain carrier frequency is 1, weight is 0.4; The carrier frequency performance class is 5, and weight is 0.6, and the value of expanding the corresponding position of selection factor so is 5*0.6+ (6-1) * 0.4=5; If corresponding being of this expansion selection factor be back four of electric weights down, then specifically value is 0101.
Step 106, judge whether the poll all carrier frequency in the current area that finish, if execution in step 107 then, otherwise, next carrier frequency as current carrier frequency, is returned step 102.
Step 107, the following electric weights of each carrier frequency in the current area relatively select the maximum carrier frequency of down electric weights to deposit electrosemaphore; And notice BTS descends this carrier frequency.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with this technological people in the technical scope that the present invention disclosed; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (9)
1. method for electrically under the intelligence of a carrier frequency is applicable to GSM, it is characterized in that, comprising:
A, with the channel attribute of carrier frequency as the necessary choice factor of electricity down, the following electric priority of each channel attribute is set; For carrier frequency is provided with down electric weights, each channel attribute is according to from high to low not coordination in the following corresponding respectively electric weights down of electric priority;
B, confirm the channel attribute information of each carrier frequency in the current area; To each carrier frequency, confirm under this carrier frequency the concrete value of corresponding position in the electric weights according to the channel attribute information of this carrier frequency;
C, the maximum carrier frequency of the down electric weights of selection descend;
Said carrier frequency channel attribute as the necessary choice factor is followed successively by according to following electric priority: whether the channel of this carrier frequency is non-BCCH BCCH; Whether this carrier frequency is the carrier frequency of first sub cell; In the residual carrier frequency in the current area except that current carrier frequency whether circuit domain CS channel and packet domain PS channel are arranged.
2. method according to claim 1 is characterized in that, said electric weights down are binary number, and initial value is 0; Step B is said to each carrier frequency, confirms under this carrier frequency that according to the channel attribute information of this carrier frequency the method for the concrete value of corresponding position is in the electric weights:
Whether the channel of judging this carrier frequency is non-BCCH, if then will descend the correspondence position 1 in the electric weights, otherwise puts 0;
Judge that whether this carrier frequency is the carrier frequency of first sub cell, if then will descend the correspondence position 1 in the electric weights, otherwise puts 0;
Judge in the current area in the residual carrier frequency except that current carrier frequency whether CS channel and PS channel are arranged,, otherwise put 0 if then will descend the correspondence position 1 in the electric weights.
3. method according to claim 2; It is characterized in that; Said down electric weights are eight binary number, and whether the channel of wherein said carrier frequency is the 7th of the corresponding said electric weights down of non-BCCH, and whether said carrier frequency is the 6th of the corresponding said electric weights down of the first sub cell carrier frequency; Whether the 5th of said time electric weights of CS channel and PS channel correspondence is arranged in the residual carrier frequency in the said current area except that current carrier frequency.
4. based on each described method of claim 1 to 3; It is characterized in that; This method further with the telephone traffic of carrier frequency and performance indications as the expansion selection factor of electricity down, this expansion selection factor under carrier frequency in the electric weights corresponding position be lower than said necessary choice factor corresponding; In step B, further confirm the telephone traffic and the performance indications of each carrier frequency in the current area,, confirm under this carrier frequency corresponding concrete value in the electric weights based on the telephone traffic and the performance index information of this carrier frequency to each carrier frequency.
5. based on the described method of claim 4, it is characterized in that, among the step B,, confirm under this carrier frequency that based on the telephone traffic of this carrier frequency and performance index information the method for the concrete value of corresponding position is in the electric weights to each carrier frequency:
The telephone traffic index of carrier frequency is divided M grade from low to high, the performance index of carrier frequency are divided M grade by good to difference, the value of M for setting; Telephone traffic weight and performance weights are set simultaneously, said telephone traffic weight and performance weights and be 1;
Confirm the telephone traffic of current carrier frequency and the grade of performance index, confirm the concrete value of telephone traffic and performance index corresponding position in following electric weights according to the following equation:
Performance index grade * performance weights+(M+1-telephone traffic index grade) * telephone traffic weight.
6. method according to claim 5 is characterized in that, said electric weights down are eight binary number, and said expansion selection factor is to descending back four in the electric weights.
7. method according to claim 5 is characterized in that, the telephone traffic index of said carrier frequency is the channel occupancy ratio of carrier frequency, and the performance index of said carrier frequency are the cutting off rate of carrier frequency.
8. based on the described method of claim 1, it is characterized in that this method before the electric carrier frequency, further comprises under selecting:
Whether the telephone traffic of statistics current area, the telephone traffic of judging statistics reach carrier frequency number available in preset following electric switch limit value and the current area more than or equal to 2, if then select down electric carrier frequency and descend; Otherwise, do not select down electric carrier frequency to descend.
9. method according to claim 1 is characterized in that, the selection course of following electric carrier frequency is carried out by the base station controller in the GSM in this method; After base station controller chose down electric carrier frequency, the informing base station transceiver was carried out the following electricity operation that this carrier frequency is carried out by this base station transceiver.
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| CN101835247A (en) * | 2009-03-12 | 2010-09-15 | 华为技术有限公司 | Method for energy conservation and activation of base station, network device, active device and network system |
| CN101841896B (en) * | 2010-04-02 | 2012-10-17 | 李瑛� | Wireless mobile communication base station capable of automatically adjusting carrier frequency power supply and realization method thereof |
| CN103200655A (en) * | 2012-01-06 | 2013-07-10 | 中兴通讯股份有限公司 | Method and device for energy conservation of remote radio frequency system |
| US9699735B2 (en) * | 2012-10-29 | 2017-07-04 | Microsoft Technology Licensing, Llc | Sub-channel detection for wireless data communication |
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| CN1650543A (en) * | 2002-03-26 | 2005-08-03 | 英特尔公司 | Method for selecting weight in multiple channel receiver |
| CN1764307A (en) * | 2004-10-20 | 2006-04-26 | 中兴通讯股份有限公司 | Shared channel allocation and using method in multi-carrier frequency cell system |
| CN101137184A (en) * | 2006-12-06 | 2008-03-05 | 中兴通讯股份有限公司 | Carrier distribution method and distributor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1650543A (en) * | 2002-03-26 | 2005-08-03 | 英特尔公司 | Method for selecting weight in multiple channel receiver |
| CN1764307A (en) * | 2004-10-20 | 2006-04-26 | 中兴通讯股份有限公司 | Shared channel allocation and using method in multi-carrier frequency cell system |
| CN101137184A (en) * | 2006-12-06 | 2008-03-05 | 中兴通讯股份有限公司 | Carrier distribution method and distributor |
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