WO2018192207A1

WO2018192207A1 - Satellite signal search method, device, and mobile terminal

Info

Publication number: WO2018192207A1
Application number: PCT/CN2017/109186
Authority: WO
Inventors: 郑勇; 金志军; 张立新; 魏科文
Original assignee: 深圳市沃特沃德股份有限公司
Priority date: 2017-04-17
Filing date: 2017-11-02
Publication date: 2018-10-25
Also published as: CN106961300A; CN106961300B

Abstract

The present invention discloses a satellite signal search method, device, and mobile terminal. The method comprises the following steps: searching for a first satellite signal; if the first satellite signal search is unsuccessful, stopping searching for the first satellite signal, and searching for a second satellite signal; and if the second satellite signal search is successful, resuming searching for the first satellite signal, wherein the power consumption when searching for the first satellite signal is greater than the power consumption when searching for the second satellite signal. Thus, in a weak-satellite-signal environment, the invention stops searching with a larger search power consumption for a first satellite signal, and searches with a smaller search power consumption for a second satellite signal in order to detect whether a satellite signal has been restored. If the second satellite signal is found, it is assumed that the satellite signal has been restored, and searching for the first satellite signal is resumed. As a result, overall, the average search frequency of searching with a larger search power consumption for a first satellite signal is reduced, system power consumption is reduced, runtime is increased, and the standby time of a terminal is extended.

Description

Satellite signal search method, device and mobile terminal

Technical field

[0001] The present invention relates to the field of communications technologies, and in particular, to a satellite signal search method, apparatus, and mobile terminal.

Background technique

[0002] A satellite mobile communication terminal transmits a signal through a satellite distributed in space to implement a satellite communication function. Satellite signals are easily covered by large buildings or mountains. In this case, there is no satellite signal or the satellite signal is weak, which makes the satellite communication function of the satellite mobile communication terminal unavailable. The satellite communication unit of the satellite mobile communication terminal will continue to search for satellite signals and perform location update to try to restore satellite communication functions.

[0003] However, the search process consumes a lot of power, and the location update process needs to send data packets, which consumes more power, thereby greatly increasing system power consumption, reducing endurance, and shortening the standby time of the terminal.

technical problem

[0004] The main object of the present invention is to provide a satellite signal search method, device and mobile terminal, which aim to reduce system power consumption and improve endurance.

Problem solution

Technical solution

[0005] In order to achieve the above object, the present invention provides a satellite signal search method, the method comprising the following steps: [0006] searching for a first satellite signal;

[0007] when the first satellite signal search fails, pause searching for the first satellite signal, and search for a second satellite signal;

[0008] when the second satellite signal search succeeds, recovering the search for the first satellite signal;

[0009] wherein, the power consumption of searching the first satellite signal is greater than the power consumption of searching the second satellite signal.

[0010] Optionally, the first satellite signal is a GEO satellite signal, and the second satellite signal is a MEO satellite signal.

[0011] Optionally, the searching for the second satellite signal comprises: [0012] acquiring local ephemeris data, and controlling the satellite positioning system to search for the MEO satellite signal according to the local ephemeris data.

[0013] Optionally, after the step of searching for the first satellite signal, the method further includes:

[0014] When the first satellite signal 没有 is not searched within the preset time, it is determined that the first satellite signal search fails.

[0015] Optionally, the preset time is 5 to 15 minutes.

[0016] Optionally, the method further includes:

[0017] when the second satellite signal search succeeds, stopping searching for the second satellite signal.

[0018] Optionally, the search frequency of the second satellite signal is greater than or equal to a search frequency of the first satellite signal.

[0019] Embodiments of the present invention provide a satellite signal search apparatus, where the apparatus includes a first control module, a second control module, a first search module, and a second search module, where the first search module is used for searching. a first satellite signal, the second search module is configured to search for a second satellite signal, wherein:

[0020] the first control module is configured to: when the first satellite signal search fails, control the first search module to pause searching for the first satellite signal, and control the second search module to search for the Second satellite signal;

[0021] the second control module is configured to: when the second satellite signal search succeeds, control the first search module to resume searching for the first satellite signal;

[0022] wherein, the power consumption of searching the first satellite signal is greater than the power consumption of searching the second satellite signal.

[0023] Optionally, the second search module is a satellite positioning system, and the first control module is configured to:

[0024] when the first satellite signal search fails, acquiring local ephemeris data, and controlling the satellite positioning system to search for the MEO satellite signal according to the local ephemeris data.

[0025] Optionally, the first search module is configured to:

[0026] When the first search module does not search for the first satellite signal 在 within the preset time, it is determined that the first satellite signal search fails.

[0027] Optionally, the second control module is further configured to: when the second satellite signal search succeeds, control the second search module to stop searching for the second satellite signal.

[0028] The embodiment of the invention further provides a mobile terminal, including: [0029] one or more processors;

[0030] a memory;

[0031] one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications being It is configured to perform the aforementioned satellite signal search method.

Advantageous effects of the invention

Beneficial effect

[0032] A satellite signal search method provided by an embodiment of the present invention, in an environment where satellite signals are weak

(ie, the first satellite signal search fails 吋), suspend searching for the first satellite signal with high power consumption, and search for the second satellite signal with low power consumption to detect whether the satellite signal is recovered, when searching for the second satellite Signal 吋, it is determined that the satellite signal is recovered, and then the search for the first satellite signal is resumed, thereby generally reducing the average search frequency of the first satellite signal with high search power consumption, reducing system power consumption, improving endurance, and extending The standby time of the terminal.

Brief description of the drawing

DRAWINGS

1 is a flow chart of an embodiment of a satellite signal search method of the present invention;

2 is a block diagram showing an example of a satellite mobile communication terminal to which a satellite signal search method according to an embodiment of the present invention is applied;

3 is a block diagram showing an embodiment of a satellite signal search device of the present invention.

[0036] The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings.

BEST MODE FOR CARRYING OUT THE INVENTION

[0037] It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and are merely illustrative of the invention and are not construed as Limitations of the invention.

[0039] The singular forms "a", "an", "the" It will be further understood that the phrase "comprising", used in the <RTI ID=0.0> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> is intended to mean the presence of the features, integers, steps, operations, components and/or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, components, components, and/or their groups. It will be understood that when we refer to an element being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or an intermediate element can be present. Further, "connected" or "coupled" as used herein may include either a wireless connection or a wireless coupling. The phrase "and/or" used herein includes all or any of the elements and all combinations of one or more of the associated listed.

[0040] Those skilled in the art will appreciate that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. It should also be understood that terms such as those defined in a general dictionary should be understood to have meaning consistent with the meaning in the context of the prior art, and will not be idealized or excessive unless specifically defined as here. The formal meaning is explained.

[0041] Those skilled in the art can understand that the "terminal" and "terminal device" used herein include both a device of a wireless signal receiver, a device having only a wireless signal receiver without a transmitting capability, and a receiving and receiving device. A device that transmits hardware having a receiving and transmitting hardware capable of performing two-way communication over a two-way communication link. Such a device may comprise: a cellular or other communication device having a single line display or a multi-line display or a cellular or other communication device without a multi-line display; PCS (Persona 1 Communications Service), which may combine voice, Data processing, fax and/or data communication capabilities; PDA (Personal Digital Assistant), which can include radio frequency receivers, pagers, Internet/Intranet access, web browsers, notepads, calendars and/or GPS ( Global Positioning System, Receiver; Conventional laptop and/or palmtop computer or other device having a conventional laptop and/or palmtop computer or other device that includes and/or includes a radio frequency receiver. As used herein, "terminal", "terminal device" may be portable, transportable, installed in a vehicle (aviation, sea and/or land), or adapted and/or configured to operate locally, and/or Run in any other location on the Earth and/or space in a distributed fashion. The "terminal" and "terminal device" used herein may also be a communication terminal, an internet terminal, a music/video playback terminal, For example, it may be a PDA, a MID (Mobile Internet Device), and/or a mobile phone with music/video playback function, or a smart TV, a set top box, or the like.

The method and device for searching a satellite signal according to an embodiment of the present invention may be applied to any terminal device that can search for at least two types of satellite signals, in particular, a satellite mobile communication terminal, which may be based on an Android system or other systems. The following is a detailed description of the application to the satellite mobile communication terminal.

[0043] Referring to FIG. 1, an embodiment of a satellite signal searching method according to the present invention is provided, and the method includes the following steps.

[0044] Sl l, searching for the first satellite signal. It is judged whether the first satellite signal has failed to search. When the first satellite signal search fails, step S12 is performed.

[0045] In step S11, the satellite mobile communication terminal searches for the first satellite signal with a certain search frequency, and when the first satellite signal 没有 is not searched within the preset time, it is determined that the first satellite signal search fails. The search frequency can be set according to actual needs, preferably set to search every 10-30 seconds (ie, the interval between two consecutive searches), for example: the satellite mobile communication terminal searches for the first satellite signal every 20 seconds. . The preset time can also be set according to actual needs, preferably within a range of 5 to 15 minutes, for example: When the first satellite signal is not searched within 10 minutes, the satellite mobile communication terminal determines the first satellite signal search. failure.

In the embodiment of the present invention, the first satellite signal and the second satellite signal are two different satellite signals, and the power consumption of searching for the first satellite signal is greater than the power consumption of searching for the second satellite signal, in other words, The search power consumption of a satellite signal is greater than the search power consumption of the second satellite signal. The first satellite signal is a main satellite signal, the satellite mobile communication terminal searches for the first satellite signal in a default state; the second satellite signal is an auxiliary satellite signal, and the satellite mobile communication terminal searches for the second satellite signal if necessary, for example, the present invention In the embodiment, when the satellite signal is weak or there is no satellite signal, it is possible to detect whether the satellite signal is recovered by searching the second satellite signal.

[0047] At present, the satellites mainly include Geosynchronous Eearth Orbit (GE) satellites, Medium Earth Orbit (MEO) satellites, Low Earth Orbit (LEO) satellites, etc., and the corresponding satellite signals are GEO. Satellite signals, ME0 satellite signals and LEO satellite signals. Searching for the power consumption of the aforementioned satellite signals is usually related to the distance between the corresponding satellite and the Earth, that is, the distance from the Earth The farther satellites search for their signals also consume more power. For example, the distance between the GEO satellite and the Earth is 10,000 kilometers larger than the distance between the MEO satellite and the Earth, resulting in the GEO satellite signal being weaker than the MEO satellite signal. For example, the acceptance signal sensitivity of the Tiantong satellite (which belongs to the GEO satellite) is -124dbm, GPS satellite ( The sensitivity of the received signal belonging to the MEO satellite is -160dbm, and the current of the satellite mobile communication terminal searching for the Tiantong satellite signal is more than four times larger than the current of the Global Positioning System (GPS) satellite signal. Therefore, the aforementioned satellite signals are ranked as GEO satellite signals, ME 0 satellite signals, and LEO satellite signals in descending order of search power consumption.

[0048] Optionally, when the first satellite signal is a GEO satellite signal, the second satellite signal may be a MEO satellite signal or a LEO satellite signal. When the first satellite signal is a MEO satellite signal, the second satellite signal is a LE 0 satellite signal.

[0049] In the embodiment of the present invention, the first satellite signal is a GEO satellite signal, which is used to implement a satellite communication function of the satellite mobile communication terminal; the second satellite signal is a MEO satellite signal, which is used to implement a satellite positioning function of the satellite mobile communication terminal. .

[0050] S12. Suspend searching for the first satellite signal and searching for the second satellite signal. It is judged whether the second satellite signal is searched successfully, and when the second satellite signal search succeeds, step S13 is performed.

[0051] In this step S12, when the first satellite signal search fails, indicating that the current environmental satellite signal is weak or there is no satellite signal (such as indoor), the satellite mobile communication terminal suspends searching for the first satellite signal with a large search power, and then The search for a second satellite signal with a small search power reduces power consumption. The satellite mobile communication terminal continuously searches for the second satellite signal at a certain search frequency until the second satellite signal is searched. It is equivalent to detecting whether the environment changes by searching the second satellite signal, and whether the satellite signal is restored.

[0052] Preferably, the search frequency of the second satellite signal is greater than or equal to the search frequency of the first satellite signal, and is set to search once every 30 seconds, such as: the satellite mobile communication terminal searches for the second every 20 seconds. satellite signal.

[0053] Further, when the second satellite signal is a MEO satellite signal, the satellite mobile communication terminal acquires local ephemeris data, and controls the satellite positioning system to quickly search for the MEO satellite signal according to the local ephemeris data, generally about 10 seconds. Get search results to further reduce power consumption. The satellite positioning system such as GPS, Beidou satellite navigation system (BeiDou Navigation Satellite

System, BDS), GLONASS GLONASS system, etc. [0054] For example, the satellite mobile communication terminal starts GPS, downloads local ephemeris data from the GPS ephemeris server through a mobile communication network (such as an LTE network) or a WIFI network, and the GPS quickly searches for MEO satellite signals according to local ephemeris data.

[0055] S13. Resume searching for the first satellite signal.

[0056] In this step S13, when the second satellite signal is searched successfully, it indicates that the satellite signal of the current environment has been recovered, such as from indoor to outdoor, the satellite signal is improved, and the satellite signal is strong, and then the satellite mobile communication terminal resumes the search. The first satellite signal, and the 吋 resume its satellite communication function. When the first satellite signal fails to search again, the process returns to step S12, and the cycle is repeated.

[0057] Further, after restoring the search for the first satellite signal, the satellite mobile communication terminal can also stop searching for the second satellite signal to reduce power consumption. For example, when the second satellite signal search is successful, the satellite mobile communication terminal turns off the GPS, and the GPS stops searching for the second satellite signal.

[0058] For example:

[0059] In a specific implementation, three states may be defined for a satellite communication unit of a satellite mobile communication terminal (hereinafter referred to as a terminal), namely, a working state, a standby state, and a sleep state, where: voice and data services are performed in a working state, In the standby state, the search star (that is, the search satellite signal) and the heartbeat packet are fixed, and neither the search star nor the heartbeat packet is in the sleep state. The operating state consumes the most power, up to 2W; the standby state consumes less than 10mA; the sleep state consumes the lowest, which is less than 2mA. All three states can be switched by software control.

[0060] When the satellite communication unit does not search for the GEO satellite signal within the preset time (eg, 10 minutes), the terminal controls the satellite communication unit to enter the sleep state through software, no longer searches for the GEO satellite signal, and can define the terminal to be in the "" Indoor "state; when the terminal is in the "indoor" state, the terminal starts the GPS through the software to obtain the local ephemeris data, and the GPS searches for the MEO satellite signal according to the local ephemeris data; when the ME 0 satellite signal cannot be searched, the terminal is on the display The MEO satellite signal icon with X is displayed, indicating that the MEO satellite signal is not found. The terminal will continuously search for the MEO satellite signal at a certain search frequency, for example, every 20 seconds, until the MEO satellite signal position is searched.吋 You can define that the terminal is in the "outdoor"state; when the terminal is in the "outdoor" state, the terminal wakes up the satellite communication unit through software, controls the satellite communication unit to enter the standby state, and the satellite communication unit continues to search for the GEO satellite signal when searching for the GEO satellite signal.吋, the terminal displays the icon of the GEO satellite signal on the display, indicating that GEO has been found. Satellite signals Then you can enter the working state, and the peers turn off the GPS control via software, and no longer search for MEO satellite signals.

[0061] Thus, by controlling the satellite communication unit to automatically switch between the standby and the dormant states, the average satellite frequency and the position update frequency of the satellite communication unit are reduced, thereby reducing system power consumption and prolonging the standby time of the terminal.

[0062] As shown in FIG. 2, an example of a satellite mobile communication terminal to which the satellite signal search method of the embodiment of the present invention is applied, the satellite mobile communication terminal includes a Long Term Evolution (LTE) baseband and application processing module 10, The wireless antenna 16, the radio frequency module 15, the power management module 17, the storage module 18, the display module 19, the GPS/WIFI module 13, the GPS/WIFI antenna 14, the GEO satellite communication unit 11, and the GE 0 satellite antenna 12.

[0063] The LTE baseband and application processing module 10 is the core of the system, and can adopt the MTK6797 processor, which is responsible for the processing of the baseband signal, and the protocol stack of the Wireless-Fidelity (WIFl) can also be operated thereon.

[0064] The GEO satellite communication unit 11 and the GEO satellite antenna 12 are responsible for communication between the terminal and the GEO satellite, and the GEO satellite communication unit 11 is passed through a universal asynchronous transceiver (Universal Asynchronous).

Receiver/Transmitter, UART) and the like are connected to the interface of the LTE baseband and application processing module 10.

[0065] The GPS/WIFI module 13 includes GPS and WIFI, and the GPS/WIFI antenna 14 is responsible for processing functions such as GPS/WIFI.

[0066] The LTE baseband and application processing module 10 can control the GEO satellite communication unit 119 and GPS/WI through software.

The FI module 13 implements the aforementioned satellite information search method.

[0067] The radio frequency module 15 is composed of a radio frequency front end and a radio frequency transceiver, which completes receiving and transmitting radio frequency signals with the radio antenna 16 and interfaces with the LTE baseband and application processing module 10.

[0068] The power management module 17 is composed of a dedicated power management chip, responsible for the system's shutdown processing, and power supply.

, battery charging and power management.

[0069] The storage module 18 includes a Multi Chip Packaging (MCP) that supports a high speed memory system for storing software programs.

[0070] The display module 19 implements a display function of satellite signals.

[0071] The satellite signal search method of the embodiment of the present invention suspends the search by using a weak satellite signal environment Searching for the first satellite signal with large power consumption, and searching for the second satellite signal with low power consumption to detect whether the satellite signal is recovered. When the second satellite signal is searched, the satellite signal is recovered, and then the search is resumed. A satellite signal generally reduces the average search frequency of the first satellite signal with a large search power consumption, reduces system power consumption, improves endurance, and prolongs the standby time of the terminal.

[0072] Referring to FIG. 3, an embodiment of a satellite signal search apparatus of the present invention is provided. The apparatus includes a first control module 100, a second control module 200, a first search module 300, and a second search module 400. The first search is performed. The module 300 is used to search for the first satellite signal, and the second search module 400 is used to search for the second satellite signal. The first control module 100 is configured to control the first search module 300 to suspend searching for the first satellite signal when the first satellite signal search fails, and control the second search module 400 to search for the second satellite signal. The second control module 205 is configured to control the first search module 300 to resume searching for the first satellite signal when the second satellite signal search is successful.

In the embodiment of the present invention, the first satellite signal and the second satellite signal are two different satellite signals, and the power consumption of searching for the first satellite signal is greater than the power consumption of searching for the second satellite signal, in other words, The search power consumption of a satellite signal is greater than the search power consumption of the second satellite signal. The first satellite signal is the main satellite signal, and the first satellite signal is searched by default; the second satellite signal is the auxiliary satellite signal, and the second satellite signal is searched if necessary, for example, when the satellite signal is weak or Without a satellite signal, it is possible to detect whether the satellite signal is recovered by searching for the second satellite signal.

[0074] At present, satellites mainly include geostationary orbit GEO satellites, MEO satellites, LEO satellites, etc., and corresponding satellite signals are GEO satellite signals, ME0 satellite signals, and LEO satellite signals. The aforementioned satellite signals are sorted by search power consumption in order of GEO satellite signal, ME0 satellite signal and LEO satellite signal.

[0075] Optionally, when the first satellite signal is a GEO satellite signal, the second satellite signal may be a ME0 satellite signal or a LEO satellite signal. When the first satellite signal is the ME0 satellite signal, the second satellite signal is the LE 0 satellite signal.

In the embodiment of the present invention, the first satellite signal is a GEO satellite signal, and is used to implement a satellite communication function. The first search module 300 for searching the first satellite signal is a GEO satellite communication unit; the second satellite signal is ME0. The satellite signal is used to implement the satellite positioning function, and the second search module 400 for searching the second satellite signal is a satellite positioning system, such as a GPS, BDS, GL0NASS system, or the like. [0077] The first search module 300 searches for the first satellite signal at a certain search frequency. When the first search module 300 does not search for the first satellite signal within the preset time, the first control module 100 determines the first satellite. Signal search failed. The search frequency can be set according to actual needs, and is preferably set to search every 10-30 seconds (ie, the interval between two consecutive searches), for example: the first search module 300 searches for the first satellite every 20 seconds. signal. The preset time can also be set according to actual needs, preferably within a range of 5 to 15 minutes, for example: When the first search module 300 does not search for the first satellite signal within 10 minutes, the first control module 100 Then it is determined that the first satellite signal search fails.

[0078] When the first satellite signal search fails, indicating that the current environmental satellite signal is weak or there is no satellite signal (such as indoor), the first control module 100 controls the first search module 300 to suspend searching for the first satellite signal with a large search power. In turn, the second search module 400 is controlled to search for a second satellite signal having a lower search power, thereby reducing power consumption. The second search module 400 continuously searches for the second satellite signal at a certain search frequency until the second satellite signal is searched. It is equivalent to detecting whether the environment changes by searching the second satellite signal, and whether the satellite signal is restored.

[0079] Preferably, the search frequency of the second satellite signal is greater than or equal to the search frequency of the first satellite signal, such as being searched once every 30 seconds, such as: the satellite mobile communication terminal searches for the second every 20 seconds. satellite signal.

[0080] Further, when the second satellite signal is a MEO satellite signal, the second search module 400 is a satellite positioning system, the first control module 100 acquires local ephemeris data, and controls the satellite positioning system to quickly search according to local ephemeris data. MEO satellite signals, generally 10 seconds or so can obtain search results, thereby further reducing power consumption.

[0081] For example, the first control module 100 starts GPS, downloads local ephemeris data from the GPS ephemeris server through a mobile communication network (such as an LTE network) or a WIFI network, and the GPS quickly searches for MEO satellite signals according to local ephemeris data.

[0082] When the second satellite signal search succeeds, indicating that the satellite signal of the current environment has recovered, such as from indoors to room, the satellite signal is improved, and the satellite signal is strong, and then the second control module 200 controls the first search. Module 300 resumes searching for the first satellite signal and resumes satellite communication functionality.

Further, after recovering the search for the second satellite signal, the second control module 200 can also control the second search module 400 to stop searching for the second satellite signal to reduce power consumption without manual operation by the user. For example, when the second satellite signal search is successful, the second control module 200 turns off the GPS, and the GPS stops searching for the second satellite signal.

[0084] The satellite signal search device of the embodiment of the present invention suspends searching for a first satellite signal with a large power consumption by searching for a second satellite signal with a small power consumption by searching for a weak satellite signal. Whether the satellite signal is recovered or not, when the second satellite signal is searched, the satellite signal is recovered, and then the first satellite signal is searched, thereby reducing the average search frequency of the first satellite signal with a large search power consumption, and reducing The system power consumption improves the endurance and extends the standby time of the terminal.

[0085] The present invention also proposes a mobile terminal, which is preferably a satellite mobile communication terminal, comprising: one or more processors; a memory; one or more applications, wherein the one or more applications Stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to perform a satellite signal search method. The satellite signal search method includes the following steps: searching for a first satellite signal; when the first satellite signal search fails, suspending searching for the first satellite signal, and searching for the second satellite signal; when the second satellite signal is searched successfully, the search is resumed a first satellite signal; wherein, the power consumption of the first satellite signal is greater than the power consumption of the second satellite signal. The satellite signal search method described in this embodiment is the satellite signal search method in the above embodiment of the present invention, and details are not described herein again.

[0086] The mobile terminal according to the embodiment of the present invention performs the foregoing satellite signal search method by configuring one or more processors, and pauses searching for the first satellite signal with a large power consumption in an environment with weak satellite signals, and passes Searching for a second satellite signal with low power consumption to detect whether the satellite signal is recovered. When the second satellite signal is searched, it is determined that the satellite signal is recovered, and then the search for the first satellite signal is resumed, thereby reducing the search power consumption overall. The average search frequency of the large first satellite signal reduces the system power consumption, improves the endurance, and prolongs the standby time of the terminal.

[0087] Those skilled in the art will appreciate that the present invention includes apparatus that is directed to performing one or more of the operations described herein. These devices may be specially designed and manufactured for the required purposes, or may also include known devices in a general purpose computer. These devices have computer programs stored therein that are selectively activated or reconfigured. Such computer programs may be stored in a device (eg, computer) readable medium or in any type of medium suitable for storing electronic instructions and respectively coupled to a bus, including but not limited to any Type of disk (including floppy disk, Hard disk, CD, CD-ROM, and magneto-optical disk), ROM (Read-Only Memory), RAM (Random Access Memory), EPROM (Erasable Programmable Read-Only)

Memory, EEPROM (Electrically Erasable Programmable Read-Only Memory), flash memory, magnetic card or light card. That is, a readable medium includes any medium that is stored or transmitted by a device (e.g., a computer) in a readable form.

[0088] Those skilled in the art will appreciate that each block of the block diagrams and/or block diagrams and/or flow diagrams can be implemented with computer program instructions and/or in the block diagrams and/or block diagrams and/or flow diagrams. The combination of boxes. Those skilled in the art will appreciate that these computer program instructions can be implemented by a general purpose computer, a professional computer, or a processor of other programmable data processing methods, such that the processor is executed by a computer or other programmable data processing method. The block diagrams and/or block diagrams of the invention and/or the schemes specified in the blocks or blocks of the flow diagram are invented.

[0089] Those skilled in the art can understand that the various operations, methods, and steps, measures, and solutions in the present invention may be alternated, changed, combined, or deleted. Further, various operations, methods, and other steps, measures, and arrangements in the process of the present invention may be alternated, changed, rearranged, decomposed, combined, or deleted. Further, the steps, measures, and solutions in the various operations, methods, and processes disclosed in the prior art may be alternated, changed, rearranged, decomposed, combined, or deleted.

[0090] The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to Other related technical fields are equally included in the scope of patent protection of the present invention.

Claims

Claim

[Claim 1] A satellite signal search method, comprising the steps of:

Searching for the first satellite signal;

When the first satellite signal search fails, the search for the first satellite signal is paused, and the second satellite signal is searched;

Searching for the first satellite signal when the second satellite signal search succeeds; wherein, searching for power consumption of the first satellite signal is greater than searching for work of the second satellite signal

[Claim 2] The satellite signal search method according to claim 1, wherein the first satellite signal is a GEO satellite signal, and the second satellite signal is a ME0 satellite signal.

[Claim 3] The satellite signal search method according to claim 2, wherein the searching for the second satellite signal comprises:

The local ephemeris data is obtained, and the satellite positioning system is controlled to search for the MEO satellite signal based on the local ephemeris data.

[Claim 4] The satellite signal searching method according to claim 1, wherein the step of searching for the first satellite signal further comprises:

When the first satellite signal 没有 is not searched within the preset time, it is determined that the first satellite signal search fails.

[Claim 5] The satellite signal search method according to claim 4, wherein the preset time is 5 to 15 minutes.

[Claim 6] The satellite signal search method according to claim 1, wherein the method further comprises:

When the second satellite signal search succeeds, the search for the second satellite signal is stopped.

[Claim 7] The satellite signal search method according to claim 1, wherein a search frequency of the second satellite signal is greater than or equal to a search frequency of the first satellite signal.

[Claim 8] A satellite signal search device, comprising: a first control module, a second control module, a first search module, and a second search module, wherein the first search module is configured to search for a first satellite signal The second search module is configured to search for a second satellite signal, where: The first control module, configured to: when the first satellite signal search fails, control the first search module to pause searching for the first satellite signal, and control the second search module to search for the second satellite signal;

The second control module is configured to: when the second satellite signal search succeeds, control the first search module to resume searching for the first satellite signal;

The power consumption of searching for the first satellite signal is greater than the power consumption of searching for the second satellite signal.

The satellite signal search apparatus according to claim 8, wherein said first satellite signal is a GEO satellite signal, and said second satellite signal is a MEO satellite signal.

The satellite signal search device according to claim 9, wherein the second search module is a satellite positioning system, and the first control module is configured to:

When the first satellite signal search fails, local ephemeris data is acquired, and the satellite positioning system is controlled to search for the MEO satellite signal based on the local ephemeris data.

The satellite signal search device according to claim 8, wherein said first search module is configured to:

When the first search module does not search for the first satellite signal 在 within the preset time, it is determined that the first satellite signal search fails.

The satellite signal search device according to claim 11, wherein said predetermined interval is 5 to 15 minutes.

The satellite signal search device according to claim 8, wherein the second control module is further configured to: when the second satellite signal search succeeds, control the second search module to stop searching for the second satellite signal.

The satellite signal search apparatus according to claim 8, wherein the search frequency of said second satellite signal is greater than or equal to a search frequency of said first satellite signal.

A mobile terminal includes:

One or more processors;

Memory

One or more applications, wherein the one or more applications are stored in the deposit And configured in the memory to be executed by the one or more processors, the one or more applications configured to perform the satellite signal search method of claim 1.