CN104427591A - Method and dedicated device for reducing terminal power consumption through paging detection - Google Patents
Method and dedicated device for reducing terminal power consumption through paging detection Download PDFInfo
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- CN104427591A CN104427591A CN201310369450.3A CN201310369450A CN104427591A CN 104427591 A CN104427591 A CN 104427591A CN 201310369450 A CN201310369450 A CN 201310369450A CN 104427591 A CN104427591 A CN 104427591A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 230000007958 sleep Effects 0.000 claims abstract description 43
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 13
- 230000002618 waking effect Effects 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 3
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
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Abstract
The invention provides a method for reducing terminal power consumption through paging detection. The method comprises the following steps: a, a network side setting a physical broadcast channel on a specific physical sub-channel of a specific time slot; b, a terminal emitting a sleep request to the network side, the network side distributing a paging index to the terminal, the terminal setting an awakening period, the paging index and the like, and the terminal entering a sleep mode; c, the network side sending paging sleep which carries the paging index of a terminal that needs to be paged; d, starting a paging detection dedicated device at the terminal side at fixed time according to the awakening period, detecting the physical broadcast channel, analyzing paging sleep, and judging whether the paging index is the same as the paging index stored by the terminal, if yes, awakening a baseband processor, recovering the connection of the terminal and a network, otherwisethe paging detection dedicated device abandoning the awakening and continuing sleeping. The paging detection process of a sleep terminal is simplified, the power consumption for terminal awakening and paging detection is reduced, and the terminal standby time is prolonged.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of method and the special purpose device that are detected reduction power consumption of terminal by paging.
Background technology
In existing mobile communication system, when terminal and network are not in service connected state, terminal can be selected to enter sleep state, to reduce power consumption.In sleep procedure, terminal meeting timing wake-up, then Sampling network is to the paging of terminal, to recover service connection in time.
In end side, existing Normal practice is DSP timing wake-up, carry out reception to the time slot data comprising Physical Broadcast Channel (PBCH) to detect, parse Physical Broadcast Channel (PBCH) content, submit to high level (MAC layer, data link layer) to adjudicate, if the paging to this terminal, start to recover service connection, otherwise proceed sleep.
The process waken up and receive, resolve Physical Broadcast Channel (PBCH) of DSP is the maximum power dissipation consumption under terminal standby state; If communications protocol layers is by multiple processor collaborative process (such as arm processor is responsible for processing MAC layer, data link layer, and DSP is responsible for processing physical layer), so once wakes receptions up, power consumption that paging judging process consumes is just larger.This have impact on the continuous standby time of terminal greatly.
Along with the bandwidth of wireless mobile communications is increasing, business datum amount is more and more higher, to the computing capability of communications baseband processor core and the requirement of performance more and more higher, especially at LTE, LTE-A even communication era of 5G, high-performance means larger digital circuit scale, the more power consumption of sleep awakening process need consumption of once complete communications baseband processor core.
Summary of the invention
In order to overcome, power consumption of terminal in existing DSP awakening technology is large, paging wakes the shortcoming that testing process is tediously long, need to wake up one or more processor up, the invention provides a kind of method waking the reduction communication terminal power consumption of fast detecting based on paging up, method step of the present invention is:
A, network side setting Physical Broadcast Channel is in the specific physical sub-channels of the particular time-slot of wireless communication frame, and obtaining after terminal synchronizes is correlated with arranges message;
B, when terminal and network are not in service connected state, send Sleep Request to network side, network side wakes assistant-searching catchword up to terminal distribution, terminal arranges wake-up period, wakes assistant-searching catchword up, the timeslot number at Physical Broadcast Channel place and physical sub-channels sequence number, then enters sleep state;
C, network side sends and wakes beep-page message up in the specific physical sub-channels of the described particular time-slot of wireless communication frame, that carries that network side needs the terminal of paging wakes assistant-searching catchword up, the number waking assistant-searching catchword up is no more than predetermined threshold, network side can send every one or more wake-up period and once wake beep-page message up, and continuous multiple frames can also be taked during each transmission to repeat the mode sent;
D, the paging of end side detects special purpose device according to wake-up period start by set date, the specific physical sub-channels of the described particular time-slot of wireless communication frame detects Physical Broadcast Channel, only resolves and wake beep-page message up, judge to wake up that assistant-searching catchword and this terminal preserve whether preallocated to wake assistant-searching catchword up identical, if the same be efficient paging, wake baseband processor up, recover the connection of terminal and network, otherwise abandon waking up, continue sleep, wait for start by set date next time.
Present invention also offers a kind of paging for said method and detect special purpose device, this device comprises:
Timer module, for providing the sleep period interval needed for the startup of described device, for base band sample data processing module provides synchronizing signal;
Paging detection control module, according to the sleep period interval that timer module provides, various control signals needed for paging testing process are provided, perform predetermined paging detection procedure, this module local can preserve the physical message parameter (such as uplink and downlink timeslot ratio, channel correction parameter) etc. waking assistant-searching catchword, the timeslot number at Physical Broadcast Channel place and physical sub-channels sequence number, wireless communication frame up;
Base band sample data processing module, according to the synchronizing signal that timer module provides, under the control of paging detection control module, carry out the physical process process to base band sample data, described process comprises reception detection, demapping, demodulation code, can comprise with lower unit radio frequency interface, data buffer storage unit, time domain data pretreatment unit, FFT unit, de-mapping unit, demodulating unit, channel decoding unit etc.;
Beep-page message detection module, obtains the sleep beep-page message Physical Broadcast Channel from base band sample data processing module, carry out parsing and compare, determine whether the efficient paging to this terminal;
Processor wake module, according to the judged result of beep-page message detection module, under the control of paging detection control module, wakes baseband processor up, according to the degree of baseband processor sleep and pattern, can take different wake-up modes.
The invention has the advantages that: be in dormant terminal, paging fast detecting special purpose device is started according to predetermined period distances, when not needing to wake baseband processor and most baseband chip circuit up, Physical Broadcast Channel can be detected at the particular time-slot of wireless communication frame, and resolve beep-page message, judge that whether paging is effective, if efficient paging, wake responsible baseband processor up, recover the connection of terminal and network, otherwise abandon waking up, continue sleep, thus bothering of avoiding that ineffertive pager sleeps to processor, simplify sleep paging terminal testing process, decrease terminal wake-up, the power consumption that paging detects, extend terminal standby time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the paging detection special purpose device of the embodiment of the present invention two;
Fig. 2 is the structural representation of the base band sample data processing module of the embodiment of the present invention two;
Fig. 3 is the beep-page message overhaul flow chart of the embodiment of the present invention two.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Embodiment one: detected the method reducing power consumption of terminal by paging
The present embodiment is for McWiLL communication protocol, downlink physical broadcast channel (PBCH) is defined in this agreement, this channel bearing broadcast of a lot of network side and terminal, wherein to sleep beep-page message (Paging_sleep), for network side waking up the current sleep terminal without service connection.Physical Broadcast Channel (PBCH) is distributed on some subchannel of certain descending time slot of radio frames by network side, 96bit load; Sleep beep-page message (Paging_sleep) contain be not more than 5 wake assistant-searching catchword (Paging_index) up, eachly wake assistant-searching catchword 14bit up.In sleep paging, network side in some cycles continuously every frame send sleep beep-page message, the terminal of waking up for timing receives, resolves, detects assistant-searching catchword, and decision network side whether this terminal of paging, has determined whether service connection request.
The method step of the present embodiment is as follows:
(1) network side setting Physical Broadcast Channel (PBCH) in the specific physical sub-channels of the particular time-slot of wireless communication frame, terminal and network side set up synchronous after, obtaining be correlated with message is set;
(2) when terminal and network are not in service connected state, terminal is selected to enter sleep state: terminal sends Sleep Request (RA_SLEEP) to network side, after network side is agreed to, assistant-searching catchword (Paging_index) is waken up to terminal distribution, terminal arranges wake-up period to paging detection special purpose device, wakes assistant-searching catchword up before carrying out sleep, the timeslot number at Physical Broadcast Channel place and physical sub-channels sequence number, then enters sleep state;
(3) when there being service connection demand, the sender of network side sends and wakes beep-page message (Paging_sleep) up in the specific physical sub-channels of the described particular time-slot of wireless communication frame, that carries that network side needs the terminal of paging wakes assistant-searching catchword (Paging_index) up, in order to ensure that terminal detects smoothly, the send mode of the present embodiment is: send every a wake-up period and once wake beep-page message up, each continuous multiple frames repeats to send.
(4) paging of end side detects special purpose device according to wake-up period start by set date, the specific physical sub-channels of the described particular time-slot of wireless communication frame detects Physical Broadcast Channel, only resolve and wake beep-page message up, judge to wake up that assistant-searching catchword and this terminal preserve whether preallocated to wake assistant-searching catchword (Paging_index) up identical, if the same be efficient paging, wake baseband processor up, recover the connection of terminal and network, otherwise abandon waking up, continue sleep, wait for start by set date next time.
Embodiment two: paging detects special purpose device
The present embodiment describes a kind of concrete device for carrying out said for embodiment one, as shown in Figure 1, comprising:
Timer module 101, the high accuracy real-time clock utilizing crystal oscillator and clock generator to provide counts, sleep period interval needed for the startup of paging detection special purpose device is provided, is also supplied to the event trigger source of base band sample data processing module as synchronous process, i.e. synchronizing signal;
Paging detection control module 102, according to the sleep period interval that timer module provides, provides the various control signals needed for paging testing process, performs predetermined paging detection procedure; Save the physical message parameter waking assistant-searching catchword (Paging_index), the timeslot number at Physical Broadcast Channel (PBCH) place and physical sub-channels sequence number, wireless communication frame up, comprise uplink and downlink timeslot ratio, channel correction parameter etc.; The control of flow process can adopt finite state machine (FSM), also can be microprocessor core, such as circuit scale very little 8051, this realizing circuit for simplicity, have employed finite state machine (FSM) to carry out Row control, and control signal generate;
Base band sample data processing module 103, as shown in Figure 2, according to the synchronizing signal that timer module provides, under the control of paging detection control module, carries out the physical process process such as the reception detection to base band sample data, demapping, demodulation code, first, base band sample data is received by radio frequency interface 201, send into data buffer storage unit 202 buffer memory, after reaching OFDM symbol sampled data output, filtering is carried out at time domain data pretreatment unit 203, remove CP, DC eliminates, IQ degree of unbalance compensates, the preliminary treatment such as compensate of frequency deviation, then send into FFT unit 204 and carry out time-domain and frequency-domain data transaction, in de-mapping unit 205 subcarrier demapping, obtain Physical Broadcast Channel (PBCH), rectification is carried out at demodulating unit 206, finally complete channel decoding at channel decoding unit 207, obtain channel load, send into beep-page message detection module,
Beep-page message detection module 104, the sleep beep-page message Physical Broadcast Channel is obtained from base band sample data processing module, carry out parsing to compare, as shown in Figure 3, determine whether the efficient paging to this terminal, if efficient paging, notification processor wake module, otherwise terminate this paging to detect, circuit proceeds to and continues sleep;
Processor wake module 105, according to the judged result of beep-page message detection module, under the control of paging detection control module, what provide baseband processor wakes controlling functions up; According to degree and the pattern of the sleep of base band primary processor, take different wake-up modes; If sleep control is gated clock, then open Clock gating; If sleep control is Energy control (Power Gating), then according to the predetermined flow process that powers on, opening power.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. detected the method reducing power consumption of terminal by paging, it is characterized in that, said method comprising the steps of:
A, network side setting Physical Broadcast Channel is in the specific physical sub-channels of the particular time-slot of wireless communication frame, and obtaining after terminal synchronizes is correlated with arranges message;
B, when terminal and network are not in service connected state, send Sleep Request to network side, network side wakes assistant-searching catchword up to terminal distribution, terminal arranges wake-up period, wakes assistant-searching catchword up, the timeslot number at Physical Broadcast Channel place and physical sub-channels sequence number, then enters sleep state;
C, network side sends and wakes beep-page message up in the specific physical sub-channels of the described particular time-slot of wireless communication frame, and that carries that network side needs the terminal of paging wakes assistant-searching catchword up;
D, the paging of end side detects special purpose device according to wake-up period start by set date, the specific physical sub-channels of the described particular time-slot of wireless communication frame detects Physical Broadcast Channel, only resolves and wake beep-page message up, judge to wake up that assistant-searching catchword and this terminal preserve whether preallocated to wake assistant-searching catchword up identical, if the same be efficient paging, wake baseband processor up, recover the connection of terminal and network, otherwise abandon waking up, continue sleep, wait for start by set date next time.
2. method according to claim 1, is characterized in that step c, and network side sends every a wake-up period and once wakes beep-page message up.
3. method according to claim 1, is characterized in that step c, and network side sends every multiple wake-up period and once wakes beep-page message up.
4. method according to Claims 2 or 3, is characterized in that, network side sends when waking beep-page message up takes continuous multiple frames to repeat the mode sent.
5. one of method according to claims 1 to 4, is characterized in that, the number waking assistant-searching catchword up that described sleep beep-page message carries is no more than predetermined threshold.
6. detected the special purpose device reducing power consumption of terminal by paging, it is characterized in that, described device comprises:
Timer module, for providing the sleep period interval needed for the startup of described device, for base band sample data processing module provides synchronizing signal;
Paging detection control module, according to the sleep period interval that timer module provides, provides the various control signals needed for paging testing process, performs predetermined paging detection procedure;
Base band sample data processing module, according to the synchronizing signal that timer module provides, under the control of paging detection control module, carries out the physical process process to base band sample data, and described process comprises reception detection, demapping, demodulation code;
Beep-page message detection module, obtains the sleep beep-page message Physical Broadcast Channel from base band sample data processing module, carry out parsing and compare, determine whether the efficient paging to this terminal;
Processor wake module, according to the judged result of beep-page message detection module, under the control of paging detection control module, wakes baseband processor up.
7. device according to claim 6, is characterized in that, described paging detection control module, saves the physical message parameter waking assistant-searching catchword, the timeslot number at Physical Broadcast Channel place and physical sub-channels sequence number, wireless communication frame up.
8. device according to claim 7, it is characterized in that, described physical message parameter comprises uplink and downlink timeslot ratio, channel correction parameter.
9. device according to claim 6, it is characterized in that, described base band sample data processing module comprises: radio frequency interface, data buffer storage unit, time domain data pretreatment unit, FFT unit, de-mapping unit, demodulating unit, channel decoding unit.
10. device according to claim 6, is characterized in that, the degree that described processor wake module is slept according to baseband processor and pattern, take different wake-up modes.
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| CN107889197A (en) * | 2016-09-29 | 2018-04-06 | 华为技术有限公司 | Communication means and equipment |
| CN108513339A (en) * | 2017-02-24 | 2018-09-07 | 珠海市魅族科技有限公司 | Communication means, communication device and the communication terminal of WLAN |
| CN111294833A (en) * | 2019-06-18 | 2020-06-16 | 锐迪科（重庆）微电子科技有限公司 | Terminal and signal processing method |
| CN111587590A (en) * | 2017-11-24 | 2020-08-25 | 诺基亚技术有限公司 | Paging indicator channel for EC-GSM-IOT |
| CN111757441A (en) * | 2018-05-11 | 2020-10-09 | Oppo广东移动通信有限公司 | Signal transmission method, base station and network node |
| CN112335296A (en) * | 2018-07-27 | 2021-02-05 | 索尼公司 | Electronic device and method for wireless communication, computer-readable storage medium |
| CN112534961A (en) * | 2018-08-10 | 2021-03-19 | 华为技术有限公司 | Method, terminal and network equipment for awakening signal |
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| CN113873642A (en) * | 2021-10-08 | 2021-12-31 | 重庆邮电大学 | Method for reducing paging reading times of terminal |
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| CN117082608A (en) * | 2023-10-16 | 2023-11-17 | 中国科学技术大学 | LTE (Long term evolution) backscattering energy-saving communication method and system supporting paging |
| CN119583249A (en) * | 2024-12-12 | 2025-03-07 | 武汉芯必达微电子有限公司 | A low-power LIN frame wake-up system, method and device |
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| CN106550338A (en) * | 2015-09-23 | 2017-03-29 | 北京信威通信技术股份有限公司 | SMS processing and device |
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| CN111587590A (en) * | 2017-11-24 | 2020-08-25 | 诺基亚技术有限公司 | Paging indicator channel for EC-GSM-IOT |
| CN111587590B (en) * | 2017-11-24 | 2023-11-21 | 诺基亚技术有限公司 | Paging indication channel for EC-GSM-IOT |
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| CN111757441A (en) * | 2018-05-11 | 2020-10-09 | Oppo广东移动通信有限公司 | Signal transmission method, base station and network node |
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| CN112534961A (en) * | 2018-08-10 | 2021-03-19 | 华为技术有限公司 | Method, terminal and network equipment for awakening signal |
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| CN112602356B (en) * | 2018-09-18 | 2022-11-25 | 华为技术有限公司 | Apparatus and method for signaling in power save mode |
| CN112602356A (en) * | 2018-09-18 | 2021-04-02 | 华为技术有限公司 | Apparatus and method for signaling in power save mode |
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| CN111294833A (en) * | 2019-06-18 | 2020-06-16 | 锐迪科（重庆）微电子科技有限公司 | Terminal and signal processing method |
| CN113873642A (en) * | 2021-10-08 | 2021-12-31 | 重庆邮电大学 | Method for reducing paging reading times of terminal |
| CN113873642B (en) * | 2021-10-08 | 2023-06-06 | 重庆邮电大学 | A method for reducing the number of times terminal interprets paging |
| CN117082608A (en) * | 2023-10-16 | 2023-11-17 | 中国科学技术大学 | LTE (Long term evolution) backscattering energy-saving communication method and system supporting paging |
| CN119583249A (en) * | 2024-12-12 | 2025-03-07 | 武汉芯必达微电子有限公司 | A low-power LIN frame wake-up system, method and device |
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Application publication date: 20150318 |