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CN118444344B - A method for ultra-low standby power consumption at Beidou satellite navigation chip level - Google Patents

A method for ultra-low standby power consumption at Beidou satellite navigation chip level Download PDF

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CN118444344B
CN118444344B CN202410416181.XA CN202410416181A CN118444344B CN 118444344 B CN118444344 B CN 118444344B CN 202410416181 A CN202410416181 A CN 202410416181A CN 118444344 B CN118444344 B CN 118444344B
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path
information
main processor
power consumption
satellite navigation
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CN118444344A (en
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袁永斌
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Zhicode Core Wuxi Communication Technology Co ltd
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Zhicode Core Wuxi Communication Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/34—Power consumption
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3243—Power saving in microcontroller unit
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radio Relay Systems (AREA)

Abstract

本发明提供一种北斗卫星导航芯片级超低待机功耗的方法，涉及北斗卫星导航芯片技术领域。该北斗卫星导航芯片级超低待机功耗的方法，包括以下步骤：主处理器中的扫描模块预先扫描待导航的整个路径，根据该路径的以往信息分析该路径的现状信息；主处理器中的基带处理模块接收信息，同时扫描模块间断性的捕捉实时路径状态信息，并将该捕捉信息发送给基带处理模块；主处理器中的定位模块接收信息，并进行推算和导航，形成特定的规划路径；主处理器控制扫描模块、基带处理模块和定位模块间歇性关闭。本发明通过完成路径的规划后，主处理器处于休眠模式，并间歇性的唤醒，其唤醒后，并不会重新计算，进一步降低主处理器的运算功耗。

The present invention provides a method for ultra-low standby power consumption at the Beidou satellite navigation chip level, and relates to the technical field of Beidou satellite navigation chips. The method for ultra-low standby power consumption at the Beidou satellite navigation chip level comprises the following steps: a scanning module in a main processor pre-scans the entire path to be navigated, and analyzes the current status information of the path according to the previous information of the path; a baseband processing module in the main processor receives information, and at the same time, a scanning module intermittently captures real-time path status information, and sends the captured information to the baseband processing module; a positioning module in the main processor receives information, and performs calculation and navigation to form a specific planned path; the main processor controls the scanning module, the baseband processing module and the positioning module to be intermittently closed. After the path planning is completed, the present invention puts the main processor in a sleep mode and wakes up intermittently. After waking up, it does not recalculate, thereby further reducing the computing power consumption of the main processor.

Description

Method for achieving ultra-low standby power consumption of Beidou satellite navigation chip level
Technical Field
The invention relates to the technical field of Beidou satellite navigation chips, in particular to a method for achieving ultralow standby power consumption of a Beidou satellite navigation chip level.
Background
Along with miniaturization and even chipization of satellite navigation positioning equipment, the market of mobile navigation products taking personalized mobile information as a core is wider and wider, various embedded electronic products are more and more abundant, mobile terminal products of mobile communication components are rapidly developed, and in the mobile terminal, the power consumption problem of the mobile terminal must be considered, so that the market demand of the low-power navigation chip is very large, and the low-power receiver chip which is independently developed is developed, so that the low-power navigation positioning equipment has important significance and market value for developing a navigation satellite system and receiver equipment.
In the prior art, in the operation process of the satellite navigation chip, the main processor is used for continuously capturing, processing and operating the received satellite signals, so that a large amount of operation resources of the main processor are required to be consumed, the power consumption is high, and the planning size of the path is different for the navigation of the conventional path, so that the power consumption is inevitably wasted.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a Beidou satellite navigation chip-level ultralow standby power consumption method, which solves the problem of larger operation power consumption of a main processor.
(II) technical scheme
The invention aims at realizing the technical scheme that the method for realizing the ultra-low standby power consumption of the chip level of the Beidou satellite navigation chip comprises the following steps of:
step one, scanning and storing:
the scanning module in the main processor scans the whole path to be navigated in advance, analyzes the current information of the path according to the past information of the path, and stores the current information in the temporary memory;
Step two, comparing and correcting:
The method comprises the steps that a baseband processing module in a main processor receives current information in a temporary memory, a scanning module intermittently captures real-time path state information and sends the captured information to the baseband processing module, and the baseband processing module compares the real-time path state information and the captured information and corrects the real-time path state information to obtain real-time information;
The path is scanned in advance, the current information of the path is analyzed according to the previous information of the path, and then the real-time path state information is captured intermittently through the scanning module, so that the real-time information is obtained, on one hand, the timeliness of the path information can be improved, and on the other hand, the operation power consumption of the main processor is reduced.
Step three, path planning:
a positioning module in the main processor receives the real-time information, calculates and navigates to form a specific planning path;
and step four, mode switching:
The main processor controls the scanning module, the baseband processing module and the positioning module to be intermittently closed, namely, the main processor enters into the switching of the sleep mode and the non-sleep mode;
After the path planning is completed, the main processor is in a sleep mode and is intermittently awakened, and after the awakening, the calculation cannot be recalculated, so that the operation power consumption of the main processor is further reduced.
Preferably, in the first step, the previous information of the path includes a time of passing the path, a length of the path, a number of traffic lights and a congestion index.
Preferably, in the first step, the past information of the path is analyzed, and specifically, the priority of the analyzed intention result is that the passing path time > the congestion index > the path length > the number of red and green lamps.
Preferably, the analyzed intention result has priority of passing path time > path length > congestion index > traffic light number.
Preferably, in the second step, the temporary memory is closed after the baseband processing module receives the presence information in the temporary memory.
Preferably, in the second step, the scanning module captures information intermittently in the passing path time, specifically, once every 1/10-5/1 of the passing path time.
Preferably, in the third step, after the positioning module in the main processor forms a specific planned path, the scanning module, the baseband processing module and the positioning module are turned off.
Preferably, in the fourth step, when the non-sleep module is entered, the second step is repeated.
(III) beneficial effects
The invention provides a method for ultra-low standby power consumption of a Beidou satellite navigation chip level. The device comprises the following
The beneficial effects are that:
1. The path is scanned in advance, the current information of the path is analyzed according to the previous information of the path, and then the real-time path state information is captured intermittently through the scanning module, so that the real-time information is obtained, on one hand, the timeliness of the path information can be improved, and on the other hand, the operation power consumption of the main processor is reduced.
2. After the path planning is completed, the main processor is in a sleep mode and is intermittently awakened, and after the awakening, the calculation cannot be recalculated, so that the operation power consumption of the main processor is further reduced.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
As shown in fig. 1, the embodiment of the invention provides a method for ultra-low standby power consumption of a Beidou satellite navigation chip level, which comprises the following steps:
step one, scanning and storing:
the scanning module in the main processor scans the whole path to be navigated in advance, analyzes the current information of the path according to the past information of the path, and stores the current information in the temporary memory;
Step two, comparing and correcting:
The method comprises the steps that a baseband processing module in a main processor receives current information in a temporary memory, a scanning module intermittently captures real-time path state information and sends the captured information to the baseband processing module, and the baseband processing module compares the real-time path state information and the captured information and corrects the real-time path state information to obtain real-time information;
The path is scanned in advance, the current status information of the path is analyzed according to the previous information of the path, and then the real-time path status information is captured intermittently by the scanning module, so that the real-time information is obtained, on the one hand, the timeliness of the path information can be improved, and on the other hand, the operation power consumption of the main processor is reduced.
Step three, path planning:
a positioning module in the main processor receives the real-time information, calculates and navigates to form a specific planning path;
and step four, mode switching:
the main processor controls the scanning module, the baseband processing module and the positioning module to be intermittently closed, namely, the main processor enters into the switching of the sleep mode and the non-sleep mode.
After the path planning is completed, the main processor is in the sleep mode and intermittently wakes up, and after the path is waken up, the calculation power consumption of the main processor is further reduced.
Embodiment two:
As shown in fig. 1, the embodiment of the invention provides a method for ultra-low standby power consumption of a Beidou satellite navigation chip level, which comprises the following steps:
step one, scanning and storing:
the scanning module in the main processor scans the whole path to be navigated in advance, analyzes the current information of the path according to the past information of the path, and stores the current information in the temporary memory;
The past information of the path comprises the time of passing the path, the length of the path, the number of traffic lights and the congestion index, and specifically, the past information of the path is analyzed, and further, the priority of the analyzed intention result is that the time of passing the path > the congestion index > the length of the path > the number of red and green lights.
Step two, comparing and correcting:
The method comprises the steps that a baseband processing module in a main processor receives current information in a temporary storage, the temporary storage is closed after the baseband processing module receives the current information in the temporary storage, meanwhile, a scanning module intermittently captures real-time path state information, specifically, the scanning module intermittently captures the real-time path state information according to the passing path time, specifically, the scanning module captures the information once every 1/10 of the passing path time, and sends the captured information to the baseband processing module, and the baseband processing module compares the information and corrects the information to obtain real-time information;
The path is scanned in advance, the current status information of the path is analyzed according to the previous information of the path, and then the real-time path status information is captured intermittently by the scanning module, so that the real-time information is obtained, on the one hand, the timeliness of the path information can be improved, and on the other hand, the operation power consumption of the main processor is reduced.
Step three, path planning:
The positioning module in the main processor receives the real-time information, calculates and navigates to form a specific planning path, and the scanning module, the baseband processing module and the positioning module are closed after the positioning module in the main processor forms the specific planning path;
and step four, mode switching:
The main processor controls the scanning module, the baseband processing module and the positioning module to be intermittently closed, namely, the switching between the sleep mode and the non-sleep mode is carried out, and when the non-sleep mode is carried out, the second step is repeated.
After the path planning is completed, the main processor is in the sleep mode and intermittently wakes up, and after the path is waken up, the calculation power consumption of the main processor is further reduced.
Embodiment III:
The difference between the present embodiment and the second embodiment is that the analyzed intention result has priority of passing path time > path length > congestion index > traffic light number.
Embodiment four:
The present embodiment is different from the second embodiment in that information capturing is performed once every 1/8 of the pass-through path time.
Fifth embodiment:
The present embodiment is different from the second embodiment in that information capturing is performed once every 1/5 of the pass-through path time.
In summary, the embodiment of the invention provides a method for ultra-low standby power consumption of a Beidou satellite navigation chip level, which achieves the purposes of improving the timeliness of path information and reducing the operation power consumption of a main processor through the steps of pre-scanning paths, comparing and correcting real-time information, path planning, mode switching and the like. Specifically, in the path planning and mode switching process, the operation power consumption of the main processor is further reduced through intermittently closing and waking up the scanning module, the baseband processing module and the positioning module. In addition, according to the requirements of different application scenes, different analysis intention results and information capturing frequencies can be selected so as to adapt to different navigation requirements.
In practical application, the method of the invention can be widely applied to the fields of Beidou satellite navigation system, vehicle navigation, smart phone navigation and the like. By implementing the method, the navigation accuracy and timeliness are improved, the service life of the equipment is effectively prolonged, and the energy waste is reduced. Therefore, the invention has wide application prospect and important practical value.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1.一种北斗卫星导航芯片级超低待机功耗的方法，其特征在于：包括以下步骤：1. A method for ultra-low standby power consumption at Beidou satellite navigation chip level, characterized in that it comprises the following steps: 步骤一：扫描和储存：Step 1: Scan and save: 主处理器中的扫描模块预先扫描待导航的整个路径，根据该路径的以往信息分析该路径的现状信息，所述路径的以往信息包括通过路径的时间、路径的长短、红绿灯的数量和拥堵指数，并储存于临时存储器中；The scanning module in the main processor pre-scans the entire path to be navigated, and analyzes the current status information of the path according to the past information of the path, wherein the past information of the path includes the time of passing the path, the length of the path, the number of traffic lights and the congestion index, and stores the information in the temporary memory; 步骤二：对比和修正：Step 2: Compare and correct: 主处理器中的基带处理模块接收临时存储器中的现状信息，同时扫描模块间断性的捕捉实时路径状态信息，并将该实时路径状态信息发送给基带处理模块，基带处理模块进行对比二者信息并修正，得到实时信息；The baseband processing module in the main processor receives the status information in the temporary memory, and the scanning module intermittently captures the real-time path status information and sends the real-time path status information to the baseband processing module. The baseband processing module compares the two information and corrects them to obtain real-time information. 步骤三：路径规划：Step 3: Path planning: 主处理器中的定位模块接收上述实时信息，并进行推算和导航，形成特定的规划路径；The positioning module in the main processor receives the above real-time information, and performs calculations and navigation to form a specific planned path; 步骤四：模式切换：Step 4: Mode switch: 主处理器控制扫描模块、基带处理模块和定位模块间歇性关闭，即进入休眠模式和非休眠模式的切换。The main processor controls the scanning module, the baseband processing module and the positioning module to be shut down intermittently, that is, to switch between the sleep mode and the non-sleep mode. 2.根据权利要求1所述的一种北斗卫星导航芯片级超低待机功耗的方法，其特征在于：步骤一中，通过对所述路径的以往信息进行分析，具体的，分析的意向结果优先级：通过路径时间＞拥堵指数＞路径长短＞红绿灯数量。2. According to claim 1, a method for ultra-low standby power consumption of Beidou satellite navigation chip level is characterized in that: in step 1, by analyzing the previous information of the path, specifically, the priority of the intended results of the analysis is: path time > congestion index > path length > number of traffic lights. 3.根据权利要求2所述的一种北斗卫星导航芯片级超低待机功耗的方法，其特征在于：所述分析的意向结果优先级：通过路径时间＞路径长短＞拥堵指数＞红绿灯数量。3. A method for ultra-low standby power consumption at the Beidou satellite navigation chip level according to claim 2, characterized in that: the priority of the intended results of the analysis is: path time > path length > congestion index > number of traffic lights. 4.根据权利要求1所述的一种北斗卫星导航芯片级超低待机功耗的方法，其特征在于：步骤二中，当所述基带处理模块接收到临时存储器中的现状信息后，所述临时存储器关闭。4. The method of claim 1 for ultra-low standby power consumption of a Beidou satellite navigation chip, wherein in step 2, after the baseband processing module receives the status information in a temporary memory, the temporary memory is closed. 5.根据权利要求1所述的一种北斗卫星导航芯片级超低待机功耗的方法，其特征在于：步骤二中，所述扫描模块以通过路径时间进行间歇性的捕捉，具体的，每1/10-5/1的通过路径时间进行一次信息捕捉。5. The method of ultra-low standby power consumption at the Beidou satellite navigation chip level according to claim 1 is characterized in that: in step 2, the scanning module intermittently captures information based on the path passing time, specifically, information is captured once every 1/10-5/1 of the path passing time. 6.根据权利要求1所述的一种北斗卫星导航芯片级超低待机功耗的方法，其特征在于：步骤三中，当所述主处理器中的定位模块形成特定的规划路径后，所述扫描模块、基带处理模块和定位模块关闭。6. According to claim 1, a method for ultra-low standby power consumption of Beidou satellite navigation chip level is characterized in that: in step three, after the positioning module in the main processor forms a specific planned path, the scanning module, baseband processing module and positioning module are turned off. 7.根据权利要求1所述的一种北斗卫星导航芯片级超低待机功耗的方法，其特征在于：步骤四中，当进入所述非休眠模式时，重复步骤二。7. The method for ultra-low standby power consumption at the Beidou satellite navigation chip level according to claim 1 is characterized in that: in step 4, when entering the non-sleep mode, step 2 is repeated.
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CN115877417A (en) * 2022-12-30 2023-03-31 华南师范大学 Method for realizing ultralow standby power consumption of Beidou satellite navigation chip level

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