CN114185074A - Power consumption reduction method for Beidou micro base station indoor and outdoor positioning terminals - Google Patents
Power consumption reduction method for Beidou micro base station indoor and outdoor positioning terminals Download PDFInfo
- Publication number
- CN114185074A CN114185074A CN202111430392.1A CN202111430392A CN114185074A CN 114185074 A CN114185074 A CN 114185074A CN 202111430392 A CN202111430392 A CN 202111430392A CN 114185074 A CN114185074 A CN 114185074A
- Authority
- CN
- China
- Prior art keywords
- positioning
- beidou
- base station
- micro base
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
- G01S19/49—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled
-
- 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
- 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
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention provides a power consumption reduction method for an indoor and outdoor positioning terminal of a Beidou micro base station. The Beidou micro base station navigation and positioning technology is the only positioning technology which is compatible with GNSS navigation signals and is applied to the indoor environment, and indoor and outdoor continuous positioning service can be realized through the design of a Beidou micro base station terminal. Aiming at the problem of short working time of the Beidou micro base station terminal, the invention realizes the purpose of reducing power consumption by the fine division of space and the control of related strategies. The sleep time of the GNSS module is prolonged through a snapshot interception technology and a low-frequency positioning design in an outdoor environment, and the power consumption in a room space and a corridor space is reduced through a low-frequency positioning strategy.
Description
Technical Field
The invention mainly aims at the problem of current indoor and outdoor positioning application and provides a power consumption reduction method for an indoor and outdoor positioning terminal of a Beidou micro base station.
Background
The Beidou micro base station is a navigation positioning platform which is low in cost and easy to deploy. Under the conditions that the visibility of some navigation satellites is reduced and satellite navigation signals are interfered, the Beidou micro base station is deployed, and navigation service can be provided for users in a specific area under the condition that the performance of the satellite navigation service is reduced. Therefore, the Beidou micro base station technology is a key technology for linking outdoor Beidou indoor Beidou micro base stations so as to realize the indoor and outdoor Beidou continuous positioning.
The conventional Beidou micro base station indoor and outdoor hybrid positioning terminal is mainly designed by means of a current mature navigation chip, and under the normal condition, the positioning terminal can generally obtain high positioning accuracy due to sufficient satellite numbers and stable signals in an outdoor environment, so that the conventional positioning frequency is low.
Disclosure of Invention
The current problem is addressed. The invention provides a set of complete information soft control strategy, so that the power consumption of equipment is further reduced, and the service life of the indoor and outdoor hybrid positioning terminal of the Beidou micro base station is prolonged.
In order to achieve the purpose, the technical method adopted by the invention comprises the following steps:
a power consumption reduction method for an indoor and outdoor positioning terminal of a Beidou micro base station specifically comprises the following steps:
(1) the Beidou micro base station terminal starts to carry out normal satellite searching, and executes capturing, tracking and telegraph text analysis processes to obtain relevant information of the satellite, wherein the relevant information comprises the number of the satellite, the signal intensity, analyzed telegraph text data and observation data; the observation data comprises pseudo-range, carrier phase, Doppler and integrity information measured and calculated by the terminal, and the telegraph text data comprises time information, position information and scene distinguishing information set by using a reserved bit;
(2) the Beidou micro base station terminal judges the current scene according to the satellite related information obtained in the step (1) and the corresponding text content, and the scene is divided into an outdoor scene and an indoor scene;
(3) according to the satellite number received by the Beidou micro base station, simultaneous switching control, time-sharing switching control or normal tracking is carried out on each channel received by the Beidou micro base station terminal aiming at an outdoor scene; and aiming at an indoor scene, judging the area according to the currently received signal, dividing the area into an open space, a room space and a corridor space, then utilizing an inertia unit to sense the motion, adjusting the positioning frequency according to static time when the area is in a static state, reducing the positioning frequency according to weight if the data quality meets the requirement when the area is in a motion state, and otherwise, performing positioning processing according to normal frequency.
The specific processing procedure for the outdoor scene in the step (3) is as follows:
when it is determined to be an outdoor scene, the processing of the signal is divided into three cases according to the number of tracked satellites:
1) when the number of satellites received by the Beidou micro base station is larger than the maximum number upper limit, each channel received by the Beidou micro base station terminal is simultaneously controlled by using a periodic switch control signal of a snapshot interception technology, the control opening time is m seconds, the loop is normally tracked and quickly converged in the state, the control closing time is n seconds, the loop stops working in the state, and the updated control word for closing the channel is stored simultaneously through the motion characteristic and the signal correlation recursion of the satellite signals for opening the channel; wherein m and n are set values;
2) when the number of satellites received by the Beidou micro base station is smaller than the maximum number upper limit and is larger than or equal to the minimum number lower limit, orthogonal time-sharing control is carried out on each channel received by the Beidou micro base station terminal, when the channel is opened, a loop is normally tracked and quickly converged, when the channel is closed, the motion characteristic and the signal correlation of the satellite signal of the opened channel are recurred, and meanwhile, an updated control word for closing the channel is stored;
3) and when the number of the satellites is smaller than the minimum number lower limit, the Beidou micro base station terminal is used according to a normal tracking flow, and the consumption reduction strategy is closed.
Wherein, the specific processing procedure for the indoor scene in the step (3) is as follows:
when an indoor scene is detected, the spatial position proximity is identified, and the area is judged according to the currently received signal and is divided into three scenes, namely an open space, a room space and a corridor space;
1) when the space is open, firstly, the inertial unit is utilized to sense the motion;
when the Beidou micro base station terminal is in a static state, reducing the positioning processing frequency according to the weight, and simultaneously carrying out integrity evaluation;
when the Beidou micro base station terminal is in a motion state, high-frequency positioning and integrity evaluation are carried out, meanwhile, data quality evaluation is carried out in real time, when the data quality is good, the positioning frequency of the terminal is reduced according to the weight, meanwhile, motion deduction is carried out by means of MEMS inertia, integrity evaluation is carried out, and when the data quality is bad, the integrity evaluation is carried out while a high-frequency positioning mode is kept through environment perception and beacon assistance;
when entering a room space or a corridor space, adjusting the space to a positioning mode in a corresponding space;
2) when the device is in a room space, firstly, the inertial unit is utilized to sense the motion;
when the static situation is judged, performing 0-dimensional positioning in a low-frequency 0.2hz mode;
when the device normally moves, the low-frequency 1hz position recursion is carried out by using the speed, and the displacement accumulation is carried out;
judging the space environment where the switching is located through displacement accumulation, and adjusting a positioning mode;
3) when the corridor is in a corridor mode, firstly, the inertial unit is utilized to sense the motion;
when the static situation is judged, carrying out 1-dimensional positioning by using low frequency 0.3 hz;
when the mobile terminal is in a motion state, performing low-frequency 1hz positioning by using MEMS inertia assistance, simultaneously performing data quality analysis, continuing positioning if the data quality is good, and positioning by using a space constraint and beacon assistance mode if the data quality is not good, and simultaneously shifting the positioning credible weight to the MEMS inertia;
and judging the space environment where the switching is positioned through displacement accumulation, and adjusting the positioning mode.
Wherein, during open space, when big dipper little basic station terminal is in quiescent condition, reduce according to the weight and fix a position the processing frequency and specifically do: the standing time is more than 30s, and the positioning frequency is once in 5 s; the standing time is more than 10s for more than 30s, and the positioning frequency is once for 3 s; the static time is more than or equal to 10s, and the positioning frequency is 1s once;
when the Beidou micro base station terminal is in a motion state and the data quality is good, the positioning frequency of the receiver is reduced according to the weight, and the positioning frequency is specifically as follows: the holding time is more than 30s, and the positioning frequency is 3 hz; the holding time is more than 10s for more than 30s, and the positioning frequency is 5 hz; the holding time is longer than or equal to 10s, and the positioning frequency is 10 hz.
Compared with the prior art, the invention has the following advantages:
according to the method, through refined space division and corresponding strategy control, the processing frequency of the Beidou micro base station under each condition is accurately reduced, the service life of the Beidou micro base station terminal is effectively prolonged, and the working life is prolonged by about 30% through actual terminal test.
Drawings
Fig. 1 is a plan view of an outdoor scene according to the present invention.
Fig. 2 is a plan view of an indoor scene according to the present invention.
Detailed Description
The invention is further explained below with reference to the drawings.
A power consumption reduction method for an indoor and outdoor positioning terminal of a Beidou micro base station is characterized by comprising the following steps:
(1) initializing a system, setting a cold start for a positioning navigation chip, neglecting the existing experience information, resetting the MEMS inertia information, and neglecting the existing initial position information;
(2) the Beidou micro base station terminal starts to carry out normal satellite searching, and executes capturing, tracking and telegraph text analysis processes to obtain relevant information of the satellite, wherein the relevant information comprises the number of the satellite, the signal intensity, analyzed telegraph text data and observation data; the observation data comprises pseudo-range, carrier phase, Doppler and integrity information measured and calculated by the terminal, and the telegraph text data comprises time information, position information and scene distinguishing information set by using a reserved bit;
(3) the Beidou micro base station terminal judges the current scene according to the satellite related information obtained in the step (2) and the corresponding text content, and the scene is divided into an outdoor scene and an indoor scene;
(4) according to the satellite number received by the Beidou micro base station, simultaneous switching control, time-sharing switching control or normal tracking is carried out on each channel received by the Beidou micro base station terminal aiming at an outdoor scene; and aiming at an indoor scene, judging the area according to the currently received signal, dividing the area into an open space, a room space and a corridor space, then utilizing an inertia unit to sense the motion, adjusting the positioning frequency according to static time when the area is in a static state, reducing the positioning frequency according to weight if the data quality meets the requirement when the area is in a motion state, and otherwise, performing positioning processing according to normal frequency.
As shown in fig. 1, the specific processing procedure for the outdoor scene is as follows:
when it is determined to be an outdoor scene, the processing of the signal is divided into three cases according to the number of tracked satellites:
1) when the number of satellites received by the Beidou micro base station is larger than the maximum number upper limit (18 in the embodiment), a periodic switch control signal of a snapshot interception technology is used for simultaneously controlling each channel received by the Beidou micro base station terminal, the control on time is m seconds, the loop normally tracks and rapidly converges in the state, the control off time is n seconds, the loop stops working in the state, and the update control word for closing the channel is stored at the same time through recursion of the satellite signal motion characteristic and the signal correlation of the opened channel; wherein m and n are set values;
2) when the number of satellites received by the Beidou micro base station is smaller than the maximum number upper limit and is larger than or equal to the minimum number lower limit (8 in the embodiment), orthogonal time-sharing control is carried out on each channel received by the Beidou micro base station terminal, when the channel is opened, a loop is normally tracked and quickly converged, when the channel is closed, the motion characteristic and the signal correlation of the satellite signal of the opened channel are recurred, and meanwhile, an updated control word for closing the channel is stored;
3) and when the number of the satellites is smaller than the minimum number lower limit, the Beidou micro base station terminal is used according to a normal tracking flow, and the consumption reduction strategy is closed.
As shown in fig. 2, the specific processing procedure for the indoor scene is as follows:
when an indoor scene is detected, the spatial position proximity is identified, and the area is judged according to the currently received signal and is divided into three scenes, namely an open space, a room space and a corridor space;
1) when the space is open, firstly, the inertial unit is utilized to sense the motion;
when the Beidou micro base station terminal is in a static state, the positioning processing frequency is reduced according to the weight, the static duration is more than 30s, and the positioning frequency is once every 5 s; the standing time is more than 10s for more than 30s, and the positioning frequency is once for 3 s; the static time is more than or equal to 10s, and the positioning frequency is 1s once; simultaneously carrying out integrity evaluation;
when the Beidou micro base station terminal is in a motion state, high-frequency positioning and integrity evaluation are carried out, meanwhile, data quality evaluation is carried out in real time, when the data quality is good, the positioning frequency of the terminal is reduced according to the weight, the holding time is more than 30s, and the positioning frequency is 3 hz; the holding time is more than 10s for more than 30s, and the positioning frequency is 5 hz; the holding time is longer than or equal to 10s, and the positioning frequency is 10 hz; meanwhile, motion deduction is carried out by means of MEMS inertia, integrity evaluation is carried out, and when the data quality is bad, the integrity evaluation is carried out while a high-frequency positioning mode is kept through environment perception and beacon assistance;
when entering a room space or a corridor space, adjusting the space to a positioning mode in a corresponding space;
2) when the device is in a room space, firstly, the inertial unit is utilized to sense the motion;
when the static situation is judged, performing 0-dimensional positioning in a low-frequency 0.2hz mode;
when the device normally moves, the low-frequency 1hz position recursion is carried out by using the speed, and the displacement accumulation is carried out;
judging the space environment where the switching is located through displacement accumulation, and adjusting a positioning mode;
3) when the corridor is in a corridor mode, firstly, the inertial unit is utilized to sense the motion;
when the static situation is judged, carrying out 1-dimensional positioning by using low frequency 0.3 hz;
when the mobile terminal is in a motion state, performing low-frequency 1hz positioning by using MEMS inertia assistance, simultaneously performing data quality analysis, continuing positioning if the data quality is good, and positioning by using a space constraint and beacon assistance mode if the data quality is not good, and simultaneously shifting the positioning credible weight to the MEMS inertia;
and judging the space environment where the switching is positioned through displacement accumulation, and adjusting the positioning mode.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood that the changes and modifications within the technical scope of the present invention are included in the scope of the present invention.
Claims (4)
1. A power consumption reduction method for an indoor and outdoor positioning terminal of a Beidou micro base station is characterized by comprising the following steps:
(1) the Beidou micro base station terminal starts to carry out normal satellite searching, and executes capturing, tracking and telegraph text analysis processes to obtain relevant information of the satellite, wherein the relevant information comprises the number of the satellite, the signal intensity, analyzed telegraph text data and observation data; the observation data comprises pseudo-range, carrier phase, Doppler and integrity information measured and calculated by the terminal, and the telegraph text data comprises time information, position information and scene distinguishing information set by using a reserved bit;
(2) the Beidou micro base station terminal judges the current scene according to the satellite related information obtained in the step (1) and the corresponding text content, and the scene is divided into an outdoor scene and an indoor scene;
(3) according to the satellite number received by the Beidou micro base station, simultaneous switching control, time-sharing switching control or normal tracking is carried out on each channel received by the Beidou micro base station terminal aiming at an outdoor scene; and aiming at an indoor scene, judging the area according to the currently received signal, dividing the area into an open space, a room space and a corridor space, then utilizing an inertia unit to sense the motion, adjusting the positioning frequency according to static time when the area is in a static state, reducing the positioning frequency according to weight if the data quality meets the requirement when the area is in a motion state, and otherwise, performing positioning processing according to normal frequency.
2. The power consumption reduction method for the Beidou micro base station indoor and outdoor positioning terminals according to claim 1, wherein the specific processing process for the outdoor scene in the step (3) is as follows:
when it is determined to be an outdoor scene, the processing of the signal is divided into three cases according to the number of tracked satellites:
1) when the number of satellites received by the Beidou micro base station is larger than the maximum number upper limit, each channel received by the Beidou micro base station terminal is simultaneously controlled by using a periodic switch control signal of a snapshot interception technology, the control opening time is m seconds, the loop is normally tracked and quickly converged in the state, the control closing time is n seconds, the loop stops working in the state, and the updated control word for closing the channel is stored simultaneously through the motion characteristic and the signal correlation recursion of the satellite signals for opening the channel; wherein m and n are set values;
2) when the number of satellites received by the Beidou micro base station is smaller than the maximum number upper limit and is larger than or equal to the minimum number lower limit, orthogonal time-sharing control is carried out on each channel received by the Beidou micro base station terminal, when the channel is opened, a loop is normally tracked and quickly converged, when the channel is closed, the motion characteristic and the signal correlation of the satellite signal of the opened channel are recurred, and meanwhile, an updated control word for closing the channel is stored;
3) and when the number of the satellites is smaller than the minimum number lower limit, the Beidou micro base station terminal is used according to a normal tracking flow, and the consumption reduction strategy is closed.
3. The power consumption reduction method for the Beidou micro base station indoor and outdoor positioning terminals according to claim 1, wherein the specific processing process for the indoor scene in the step (3) is as follows:
when an indoor scene is detected, the spatial position proximity is identified, and the area is judged according to the currently received signal and is divided into three scenes, namely an open space, a room space and a corridor space;
1) when the space is open, firstly, the inertial unit is utilized to sense the motion;
when the Beidou micro base station terminal is in a static state, reducing the positioning processing frequency according to the weight, and simultaneously carrying out integrity evaluation;
when the Beidou micro base station terminal is in a motion state, high-frequency positioning and integrity evaluation are carried out, meanwhile, data quality evaluation is carried out in real time, when the data quality is good, the positioning frequency of the terminal is reduced according to the weight, meanwhile, motion deduction is carried out by means of MEMS inertia, integrity evaluation is carried out, and when the data quality is bad, the integrity evaluation is carried out while a high-frequency positioning mode is kept through environment perception and beacon assistance;
when entering a room space or a corridor space, adjusting the space to a positioning mode in a corresponding space;
2) when the device is in a room space, firstly, the inertial unit is utilized to sense the motion;
when the static situation is judged, performing 0-dimensional positioning in a low-frequency 0.2hz mode;
when the device normally moves, the low-frequency 1hz position recursion is carried out by using the speed, and the displacement accumulation is carried out;
judging the space environment where the switching is located through displacement accumulation, and adjusting a positioning mode;
3) when the corridor is in a corridor mode, firstly, the inertial unit is utilized to sense the motion;
when the static situation is judged, carrying out 1-dimensional positioning by using low frequency 0.3 hz;
when the mobile terminal is in a motion state, performing low-frequency 1hz positioning by using MEMS inertia assistance, simultaneously performing data quality analysis, continuing positioning if the data quality is good, and positioning by using a space constraint and beacon assistance mode if the data quality is not good, and simultaneously shifting the positioning credible weight to the MEMS inertia;
and judging the space environment where the switching is positioned through displacement accumulation, and adjusting the positioning mode.
4. The power consumption reduction method for the Beidou micro base station indoor and outdoor positioning terminal according to claim 3, wherein in open space, when the Beidou micro base station terminal is in a static state, the reduction of the positioning processing frequency according to the weight specifically comprises the following steps: the standing time is more than 30s, and the positioning frequency is once in 5 s; the standing time is more than 10s for more than 30s, and the positioning frequency is once for 3 s; the static time is more than or equal to 10s, and the positioning frequency is 1s once;
when the Beidou micro base station terminal is in a motion state and the data quality is good, the positioning frequency of the receiver is reduced according to the weight, and the positioning frequency is specifically as follows: the holding time is more than 30s, and the positioning frequency is 3 hz; the holding time is more than 10s for more than 30s, and the positioning frequency is 5 hz; the holding time is longer than or equal to 10s, and the positioning frequency is 10 hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430392.1A CN114185074A (en) | 2021-11-29 | 2021-11-29 | Power consumption reduction method for Beidou micro base station indoor and outdoor positioning terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430392.1A CN114185074A (en) | 2021-11-29 | 2021-11-29 | Power consumption reduction method for Beidou micro base station indoor and outdoor positioning terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114185074A true CN114185074A (en) | 2022-03-15 |
Family
ID=80602840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111430392.1A Pending CN114185074A (en) | 2021-11-29 | 2021-11-29 | Power consumption reduction method for Beidou micro base station indoor and outdoor positioning terminals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114185074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117572468A (en) * | 2024-01-17 | 2024-02-20 | 福建福大北斗通信科技有限公司 | Convergence method for discrete position information of low-power-consumption positioning equipment |
-
2021
- 2021-11-29 CN CN202111430392.1A patent/CN114185074A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117572468A (en) * | 2024-01-17 | 2024-02-20 | 福建福大北斗通信科技有限公司 | Convergence method for discrete position information of low-power-consumption positioning equipment |
| CN117572468B (en) * | 2024-01-17 | 2024-04-16 | 福建福大北斗通信科技有限公司 | Convergence method for discrete position information of low-power-consumption positioning equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105682032A (en) | Positioning mode control method, positioning mode control device and mobile terminal | |
| KR102058947B1 (en) | Mobile terminal and gps engine control method therof | |
| CN111726846B (en) | Network cell switching method and device, storage medium and electronic equipment | |
| CN111103611B (en) | UWB and GPS integrated positioning method and system | |
| US9185525B2 (en) | Automatic activation of speed measurement in mobile device based on available motion indicia | |
| CN102577552B (en) | For promoting method for telecommunication and the equipment of measurement | |
| US6801778B2 (en) | Efficient location of mobile radiotelephones using cellular and GPS information | |
| CN106211078B (en) | Positioning method, device, equipment and system | |
| EP2472972A2 (en) | System and method for geographically locating a cellular device | |
| CN108169775B (en) | Control method and device based on positioning module, storage medium and mobile terminal | |
| EP2222063A1 (en) | Automatic activation of speed measurement in mobile device based on available motion | |
| KR19990072748A (en) | Method and apparatus for positioning system assisted cellular radiotelephone handoff and dropoff | |
| US20020072371A1 (en) | Method and device for performing handover using location information | |
| CN108012239B (en) | A kind of method, storage medium and smart machine obtaining positioning | |
| CN108008423B (en) | Control method and device based on positioning module, storage medium and mobile terminal | |
| CN109792625B (en) | Method and device for transmitting configuration information about measurement control | |
| CN111629337B (en) | Method and terminal for controlling network searching | |
| CN114185074A (en) | Power consumption reduction method for Beidou micro base station indoor and outdoor positioning terminals | |
| CN104076379A (en) | Transmissibility-adaptive intelligent electricity-saving 4G locating and tracking device and method | |
| CN103002551A (en) | Power-saving method for mobile communication terminal | |
| CN103108390B (en) | The method and apparatus in prediction mobile terminal geographical position | |
| CN105517192A (en) | Wireless network connecting method and device | |
| CN109495842A (en) | Method of locating terminal, navigation locating method, terminal device and storage medium | |
| CN106686672B (en) | Network connection method and terminal | |
| CN105611509A (en) | Method for positioning short message swindling pseudo-base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |