CN1457162A - Synchronous CDMA terminal consumption reducing method and communications system realizing it - Google Patents
Synchronous CDMA terminal consumption reducing method and communications system realizing it Download PDFInfo
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- CN1457162A CN1457162A CN02160285A CN02160285A CN1457162A CN 1457162 A CN1457162 A CN 1457162A CN 02160285 A CN02160285 A CN 02160285A CN 02160285 A CN02160285 A CN 02160285A CN 1457162 A CN1457162 A CN 1457162A
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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 invented method is applied to the working procedure for a terminal to respond access channel information from a base station. The procedure includes following steps. The station transmits an information frame containing a frame number and call command information to multiple terminals. Based on the frame number of the information frame, the terminal calculates the time allowed to sleep. The terminal goes to sleeping state in low power dissipation. When the sleep time is up, the terminal receives information frames transmitted from the base station through the access channel sequentially. If the information frame in the access channel contains a call command to a call the terminal, then the terminal responds the call command to create a traffic channel to the base station.
Description
Technical field
The present invention relates to a kind of method of terminal power saving in the synchronous code division multiple access communication system, and realize the communication system of this method.
Background technology
In synchronous code division multiple access communication system, terminal is in order to respond calling (Paging) order of base station at any time, terminal must receive access channel (the ACC:Access Code Channel) information of every frame base station, analyzes the order whether its information has this machine of calling (Paging).If any the order of this machine of calling, just set up Traffic Channel (TCC:Traffic Code Channel), otherwise continue to wait for the access channel ACC information that receives the base station.This shows that terminal is not when having business, every frame information of the access channel that sends for the base station still must receive and handle, and this will make terminal particularly handheld terminal and a large amount of electric energy of portable terminal consumption, propose higher requirement for the terminal power supply.
In general, in the zone of a base station covering, comprise many terminal equipments, for any terminal equipment wherein, it is to call out other terminal equipment in the same base station that the access channel information that send the base station has major part, and having only seldom access information is this terminal equipment of calling, this shows, adopt traditional terminal operating mode will cause a large amount of waste of energy, be necessary to develop a kind of communication system and communication means that can make the terminal power saving.
Summary of the invention
The objective of the invention is at the problem that proposes above, propose a kind ofly under the prerequisite of the call command of not losing the base station, can make the method for synchronous code division multiple access communication system terminal power saving.
To achieve these goals, the invention provides the method for a kind of synchronous code division multiple access communication system terminal power saving, be used for the course of work of terminal response base station's access channel information, wherein, comprise the steps:
Terminal obtains the frame number of base station current information frame from the base station;
Terminal is calculated the time that this terminal can be slept according to this frame number;
This terminal enters the sleep state of low-power consumption;
Arrive the length of one's sleep, and then terminal continues to receive the access channel information frame that transmit the base station;
If this access channel information frame includes the call command of calling out this terminal, this call command of this terminal response, the Traffic Channel between foundation and the base station;
If the access channel information frame does not comprise the call command of calling out this terminal, this terminal then calculates the length of one's sleep according to current frame number once more, enters the sleep state of low-power consumption.
The method of aforesaid synchronous code division multiple access communication system terminal power saving, wherein, the frame number that the base station end is used to write down the information frame of transmission needs to demarcate when base station initiated, adds 1 and then delivery N (N is a positive integer) afterwards behind every one frame information automatically.
The method of aforesaid synchronous code division multiple access communication system terminal power saving, wherein, each terminal has unique terminal iidentification number, when the information frame number of base station end equals terminal iidentification delivery N, can send the call command to this terminal in the information frame of this frame number.
The method of aforesaid synchronous code division multiple access communication system terminal power saving, wherein, the time of this terminal sleep is decided by the frame number of current information frame, make when sleep finishes, the frame number of the current information frame that the base station sends equals the identification number delivery N of this terminal, thereby this terminal is not lost the call command of base station.
The method of aforesaid synchronous code division multiple access communication system terminal power saving, wherein, this method also comprises the steps: after calculating the step length of one's sleep
Be provided with and the startup timer;
Timing arrives, and this timer wakes terminal works up.
The present invention also provides a kind of communication system that can make the synchronous code division multiple access terminal power saving, comprise: a base station and at least one terminal, this base station sends the access channel information frame to a plurality of terminals, and this information frame comprises the command information of a calling terminal, and this base station end is safeguarded the frame number of this information frame; This terminal obtains current frame number from this base station, and safeguard this frame number, make that the current frame number of terminal is consistent with the current frame number of base station end, and the time of calculating this terminal sleep according to this frame number, this terminal enters the sleep state of low-power consumption then, when the length of one's sleep then, this terminal continues to receive the access channel information frame that transmit base station; If this access channel information frame includes the call command of calling out this terminal, this call command of this terminal response, the Traffic Channel between foundation and the base station; If the access channel information frame does not comprise the call command of calling out this terminal, this terminal then calculates the length of one's sleep according to current frame number once more, enters the sleep state of low-power consumption.
The aforesaid communication system that makes the synchronous code division multiple access terminal power saving, wherein, the frame number that the base station end is safeguarded is demarcated when base station initiated, adds 1 and then delivery N (N is a positive integer) afterwards behind every one frame information automatically.
The aforesaid communication system that makes the synchronous code division multiple access terminal power saving, wherein, each terminal has unique terminal iidentification number, when the current frame number of base station equals terminal iidentification delivery N, can send the call command to this terminal in this frame.
The aforesaid communication system that makes the synchronous code division multiple access terminal power saving, wherein, the time of this terminal sleep is decided by current frame number, makes when sleep finishes, current frame number equals the identification number delivery N of this terminal, thereby this terminal is not lost the call command of base station.
The aforesaid communication system that makes the synchronous code division multiple access terminal power saving, wherein, this terminal also comprises a timer, after this terminal calculates the length of one's sleep, is provided with and starts this timer, when regularly finishing, this timer wakes this terminal works up.
Because terminal of the present invention is not that every frame all receives and handles, but design N frame terminal works 1 frame, the other times terminal enters the sleep electricity-saving state.So, suppose terminal to enter sleep electricity-saving state power consumption very I is to ignore that (1-1/N) * 100% so will economize on electricity.
Simultaneously because the work frame number of different terminals of the present invention equals terminal iidentification PID delivery N, so that the work frame of different terminals is evenly distributed on 0 among N-1, made full use of the resource of access channel ACC like this and reduced the collision probability of call command.
The present invention has been applied to the handheld terminal of the portable local telephone network of SCDMA, and the stand-by time of handheld terminal increases considerably, and power savings is very obvious, obtains gratifying effect.
Description of drawings
Fig. 1 is the workflow diagram of terminal power saving of the present invention;
Fig. 2 is the sequential chart of terminal works of the present invention.
Embodiment
The information frame that send base station of the present invention comprises the command signal of a call terminal, and simultaneously, the base station end is safeguarded a frame number, is used for identifying continuously each information frame, and this frame number is designed at N cycle count frame number, that is: frame number is 0 to N-1 positive integer.In one embodiment of the invention, this N value is 128.This frame number is to form like this, at first demarcates this frame number (can specify a frame number arbitrarily, also can since 0) when base station initiated, and then, base station this frame number of every transmitting-receiving 1 frame information adds 1, then with delivery N as a result, as last frame number.For example the frame number when last information frame is 34, then the frame number of back one information frame be (34+1) mod 128=35, and if the frame number of last information frame is 128, then afterwards the frame number of an information frame just is 129 mod 128=1, like this, the frame number of base station client information frame will circulate between 1-128.
Terminal has unique terminal iidentification PID, and PID is a positive integer, makes different terminals that different terminal iidentifications be arranged.Terminal sends the terminal iidentification PID of terminal to base station when login, and obtain the frame number of the information frame of this current transmission in base station from the base station of being logined, then terminal within it portion safeguard this frame number, make that the frame number on this terminal remains consistent with the frame number of base station end.
Because base station design of the present invention is in the time of must equaling terminal iidentification PID delivery N at the frame number of current information frame, just call out this terminal, that is to say, the work frame of this terminal is the information frame when the frame number of the information frame of base station equals this terminal iidentification PID delivery N, so when N information frame sent in the base station, the work frame that to have only an information frame be this terminal gets final product so this terminal only need receive and handle this work frame, and for remaining one 1 information frames of N, terminal can be ignored, and enter sleep state, thus the energy saved, in the present embodiment, N gets 128, like this, terminal can be slept at most time of 127 frames, and the transmission time of every frame information is 10ms, the mobile phone 1.27s that sleeps at most like this, receive its work frame then,, then continue sleep if there is not call command.So the base station postpones 1.27s at most to the call command of this mobile phone,, be negligible for the user who calls out this terminal.
As shown in Figure 1, it is the workflow diagram of terminal power saving, in step 10, terminal receives the information frame that transmit a frame base station, and obtains the current frame number of base station, in step 15, terminal is calculated current to the time interval of waking up according to this frame number, promptly calculate the length of one's sleep, for example, current frame number is 12, and this machine PID is 234587, PID mod 128=91 then, then the frame number of the work frame of this terminal is 91, the time of 91-12=79 frame so this terminal can be slept, after calculating the length of one's sleep, this terminal is provided with in step 20 and starts timer, then in step 25, makes this terminal enter sleep state.When this length of one's sleep to the time, shown in step 30, this timer wakes this terminal works up, at this moment, in step 35, terminal reception frame number is 91 work frame, and whether the information of this frame of analysis is the order of calling out this terminal in step 40, if the order of calling out this terminal is arranged, then this terminal responds this call command in step 41, and foundation and service in base station channel TCC, if do not call out the order of this terminal, then return step 10, calculate the time of next round sleep by current frame number.
As shown in Figure 3, be the sequential chart of terminal power saving work, as seen from the figure, terminal arrives at the lucky timer timing in time point 210 places, thereby has waken terminal works up, still, at this moment this frame information is not called out the command signal of this terminal, and at this moment, terminal is proceeded the next round sleep.At time point 220, the timer timing arrives, and has waken terminal works up, but, at this moment this frame information has the command signal of calling out this terminal, and terminal this command signal that makes an immediate response is set up Traffic Channel TCC, carry out respective handling, at time point 230, after all Business Processing are intact, system's free time, at this moment terminal can be calculated the length of one's sleep according to current frame number, enters sleep state once more.
In sum, the method for work of terminal power saving of the present invention has following advantage:
1. not that every frame all receives and handles owing to terminal of the present invention, but design N frame terminal works 1 frame, the other times terminal enters the sleep electricity-saving state.So, suppose terminal to enter sleep electricity-saving state power consumption very I is to ignore that (1-1/N) * 100% so will economize on electricity.
2. simultaneously because the work frame number of different terminals of the present invention equals terminal iidentification PID delivery N, so that the work frame of different terminals is evenly distributed on 0 among N-1, made full use of the resource of access channel ACC like this and reduced the collision probability of call command.
The present invention has been applied to the handheld terminal of the portable local telephone network of S-CDMA, and the stand-by time of handheld terminal increases considerably, and power savings is very obvious, obtains gratifying effect.
The above only is preferred embodiment of the present invention, and the equivalent transformation that all have been done according to content of the present invention all is included in the claim of the present invention.
Claims (10)
1. the method for synchronous code division multiple access communication system terminal power saving is used for the course of work of terminal response base station's access channel information, it is characterized in that, comprises the steps:
Terminal obtains the frame number of the information frame of the current transmission in base station to the base station;
Terminal is calculated the time that this terminal can be slept according to this frame number;
This terminal enters the sleep state of low-power consumption;
Arrive the length of one's sleep, and then terminal continues to receive the access channel information frame that transmit the base station;
If this access channel information frame includes the call command of calling out this terminal, this call command of this terminal response, the Traffic Channel between foundation and the base station;
If the access channel information frame does not comprise the call command of calling out this terminal, this terminal then calculates the length of one's sleep according to current frame number once more, enters the sleep state of low-power consumption.
2. the method for synchronous code division multiple access communication system terminal as claimed in claim 1 power saving, it is characterized in that, the frame number that the base station end is used to write down the information frame of transmission needs to demarcate when base station initiated, adds 1 and then delivery N (N is a positive integer) afterwards behind every one frame information automatically.
3. the method for synchronous code division multiple access communication system terminal as claimed in claim 2 power saving, it is characterized in that, each terminal has unique terminal iidentification number, when the information frame number of base station end equals terminal iidentification delivery N, can send the call command to this terminal in the information frame of this frame number.
4. the method for synchronous code division multiple access communication system terminal as claimed in claim 3 power saving, it is characterized in that, the time of this terminal sleep is decided by the frame number of current information frame, make when sleep finishes, the frame number of the current information frame that the base station sends equals the identification number delivery N of this terminal, thereby this terminal is not lost the call command of base station.
5. the method for synchronous code division multiple access communication system terminal as claimed in claim 4 power saving is characterized in that, this method also comprises the steps: after calculating the step length of one's sleep
Be provided with and the startup timer;
Timing arrives, and this timer wakes terminal works up.
6. communication system that can make the synchronous code division multiple access terminal power saving, it is characterized in that, comprising: a base station and at least one terminal, this base station send the access channel information frame to a plurality of terminals, this information frame comprises the command information of a calling terminal, and this base station end is safeguarded the frame number of this information frame; This terminal obtains current frame number from this base station, and safeguard this frame number, make that the current frame number of terminal is consistent with the current frame number of base station end, and the time of calculating this terminal sleep according to this frame number, this terminal enters the sleep state of low-power consumption then, when the length of one's sleep then, this terminal continues to receive the access channel information frame that transmit base station; If this access channel information frame includes the call command of calling out this terminal, this call command of this terminal response, the Traffic Channel between foundation and the base station; If the access channel information frame does not comprise the call command of calling out this terminal, this terminal then calculates the length of one's sleep according to current frame number once more, enters the sleep state of low-power consumption.
7. the communication system that makes the synchronous code division multiple access terminal power saving as claimed in claim 6 is characterized in that, the frame number that the base station end is safeguarded is demarcated when base station initiated, adds 1 and then delivery N (N is a positive integer) afterwards behind every one frame information automatically.
8. the communication system that makes the synchronous code division multiple access terminal power saving as claimed in claim 7, it is characterized in that, each terminal has unique terminal iidentification number, when the current frame number of base station equals terminal iidentification delivery N, can send the call command to this terminal in this frame.
9. the communication system that makes the synchronous code division multiple access terminal power saving as claimed in claim 8, it is characterized in that the time of this terminal sleep is decided by current frame number, make when sleep finishes, current frame number equals the identification number delivery N of this terminal, thereby this terminal is not lost the call command of base station.
10. the communication system that makes the synchronous code division multiple access terminal power saving as claimed in claim 9 is characterized in that this terminal also comprises a timer, after this terminal calculates the length of one's sleep, setting also starts this timer, and when regularly finishing, this timer wakes this terminal works up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021602859A CN1228940C (en) | 2002-12-31 | 2002-12-31 | Synchronous CDMA terminal consumption reducing method and communications system realizing it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021602859A CN1228940C (en) | 2002-12-31 | 2002-12-31 | Synchronous CDMA terminal consumption reducing method and communications system realizing it |
Publications (2)
| Publication Number | Publication Date |
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| CN1457162A true CN1457162A (en) | 2003-11-19 |
| CN1228940C CN1228940C (en) | 2005-11-23 |
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| CNB021602859A Expired - Fee Related CN1228940C (en) | 2002-12-31 | 2002-12-31 | Synchronous CDMA terminal consumption reducing method and communications system realizing it |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007000099A1 (en) * | 2005-06-27 | 2007-01-04 | Huawei Technologies Co., Ltd. | A method of reducing power consumption of mobile terminal |
| CN100450241C (en) * | 2005-12-19 | 2009-01-07 | 大唐移动通信设备有限公司 | Mobile terminal and power saving method |
| CN100490581C (en) * | 2006-05-22 | 2009-05-20 | 北京信威通信技术股份有限公司 | A method for utilizing DSP micro dormancy mechanism to save power for terminal |
| CN101917755A (en) * | 2010-08-10 | 2010-12-15 | 惠州Tcl移动通信有限公司 | Mobile terminal and power supply control method thereof |
| CN1874567B (en) * | 2005-12-16 | 2011-02-16 | 上海宣普实业有限公司 | Method and equipment for adjusting step size of timed tracking |
| CN101461151B (en) * | 2005-06-01 | 2013-01-02 | 米伦尼尔网络股份有限公司 | Communicating over a wireless network |
| CN102967257A (en) * | 2012-11-06 | 2013-03-13 | 昆山北极光电子科技有限公司 | Strain amplification method with low power consumption and high sensitivity |
| CN101784009B (en) * | 2009-01-16 | 2013-05-22 | 联芯科技有限公司 | Power-saving terminal and power-saving method thereof |
| CN1946199B (en) * | 2005-10-06 | 2013-09-04 | 美国博通公司 | Mobile communication device and energy-saving operation method therof |
| CN103686953A (en) * | 2012-09-21 | 2014-03-26 | 北京信威通信技术股份有限公司 | Mobile-terminal sleep wake-up method |
| CN107889197A (en) * | 2016-09-29 | 2018-04-06 | 华为技术有限公司 | Communication means and equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102300298A (en) * | 2011-09-16 | 2011-12-28 | 惠州Tcl移动通信有限公司 | Mobile phone and power saving method for mobile phone in sleep mode |
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2002
- 2002-12-31 CN CNB021602859A patent/CN1228940C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101461151B (en) * | 2005-06-01 | 2013-01-02 | 米伦尼尔网络股份有限公司 | Communicating over a wireless network |
| US7864721B2 (en) | 2005-06-27 | 2011-01-04 | Huawei Technologies Co., Ltd. | Method and apparatus for transmitting data |
| US8611264B2 (en) | 2005-06-27 | 2013-12-17 | Huawei Technologies Co., Ltd. | Method and apparatus for transmitting data |
| WO2007000099A1 (en) * | 2005-06-27 | 2007-01-04 | Huawei Technologies Co., Ltd. | A method of reducing power consumption of mobile terminal |
| CN1946199B (en) * | 2005-10-06 | 2013-09-04 | 美国博通公司 | Mobile communication device and energy-saving operation method therof |
| CN1874567B (en) * | 2005-12-16 | 2011-02-16 | 上海宣普实业有限公司 | Method and equipment for adjusting step size of timed tracking |
| CN100450241C (en) * | 2005-12-19 | 2009-01-07 | 大唐移动通信设备有限公司 | Mobile terminal and power saving method |
| CN100490581C (en) * | 2006-05-22 | 2009-05-20 | 北京信威通信技术股份有限公司 | A method for utilizing DSP micro dormancy mechanism to save power for terminal |
| CN101784009B (en) * | 2009-01-16 | 2013-05-22 | 联芯科技有限公司 | Power-saving terminal and power-saving method thereof |
| CN101917755A (en) * | 2010-08-10 | 2010-12-15 | 惠州Tcl移动通信有限公司 | Mobile terminal and power supply control method thereof |
| CN103686953A (en) * | 2012-09-21 | 2014-03-26 | 北京信威通信技术股份有限公司 | Mobile-terminal sleep wake-up method |
| CN102967257A (en) * | 2012-11-06 | 2013-03-13 | 昆山北极光电子科技有限公司 | Strain amplification method with low power consumption and high sensitivity |
| CN107889197A (en) * | 2016-09-29 | 2018-04-06 | 华为技术有限公司 | Communication means and equipment |
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| CN1228940C (en) | 2005-11-23 |
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