CN105491634A - Terminal and network switching method for terminal - Google Patents
Terminal and network switching method for terminal Download PDFInfo
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- CN105491634A CN105491634A CN201610006398.9A CN201610006398A CN105491634A CN 105491634 A CN105491634 A CN 105491634A CN 201610006398 A CN201610006398 A CN 201610006398A CN 105491634 A CN105491634 A CN 105491634A
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- 238000013507 mapping Methods 0.000 claims abstract description 40
- 206010048669 Terminal state Diseases 0.000 claims abstract description 19
- 230000033001 locomotion Effects 0.000 claims description 57
- 230000004913 activation Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 8
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- 238000005259 measurement Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 24
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
- H04W36/008375—Determination of triggering parameters for hand-off based on historical data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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Abstract
The embodiment of the invention discloses a terminal and a network switching method for the terminal. The method includes the following steps that: when receiving a switching instruction sent by a network side, the terminal acquires the terminal state information of the terminal itself; and the terminal matches mapping relationships between the historical statistical states of the terminal and the states of terminal access networks according to the terminal state information and the state information of networks of various systems which is obtained through measurement, and decision making is performed for the network switching of the terminal. With the network switching method for the terminal adopted, a situation that the terminal performs network switching due to switching instructions frequently transmitted by the network side can be avoided, electric quantity of the terminal consumed in network switching can be decreased, and user experience can be enhanced.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a terminal and a method for switching a network by the terminal.
Background
With the rapid development of mobile communication technology and electronic terminal technology, a terminal already has the capability of accessing mobile communication networks of multiple formats, and the network formats may include: global system for mobile communications (GSM), Wideband Code Division Multiple Access (WCDMA), CDMA2000(code division multiple access2000), Time division synchronous code division multiple access (TD-SCDMA), Long Term Evolution (LTE), longtermev, frequency division duplex LTE (FDD-LTE), Time division duplex LTE (TDD-LTE), Time division duplex LTE (WIFI, WIreless FIdelity) network, WIreless Local Area Network (WLAN), and the like.
The mobile terminal measures the signal intensity of each system network and correspondingly feeds back the base station or the access point of each system network in the using process, and the base station or the access point on the network side sends a switching instruction to the mobile terminal to switch the network accessed by the mobile terminal.
At present, a mobile terminal is limited by coverage change of a wireless access network, and a base station or an access point on a network side actively sends a switching instruction to the mobile terminal, which causes frequent network switching of the mobile terminal, increases power consumption of the terminal, and causes poor user experience.
Disclosure of Invention
The invention mainly aims to provide a terminal and a method for switching a network by the terminal, and aims to reduce the electric quantity consumed by the terminal when the terminal is used for switching the network.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for a terminal to switch a network, where the method includes:
the method comprises the steps that when a terminal receives a switching instruction sent by a network side, terminal state information of the terminal is obtained;
and the terminal matches the mapping relation between the historical statistical state of the terminal and the state of the terminal access network according to the terminal state information and the measured state information of the current various system networks, and makes a decision on the terminal switching network.
In the foregoing solution, the acquiring the terminal state information of the terminal itself specifically includes:
the terminal acquires the current position information of the terminal; and/or the presence of a gas in the gas,
the terminal acquires the current self motion state information.
In the above scheme, before the terminal receives a handover instruction sent by a network side, the method further includes:
the terminal periodically acquires historical position information of the terminal through a Global Positioning System (GPS) according to a preset activation frequency;
the method comprises the steps that when the terminal collects historical position information of the terminal, a first historical state of each system network covering the terminal is correspondingly obtained;
the terminal acquires the historical state of a first access network corresponding to the terminal according to the first historical state of each standard network;
and the terminal constructs a first mapping relation among the historical position information, the first historical state of each system network and the historical state of the first access network.
In the above scheme, before the terminal receives a handover instruction sent by a network side, the method further includes:
the terminal records the historical motion state of the terminal in a preset time window, and calculates according to the historical motion state to obtain a corresponding historical motion vector;
when the terminal records the historical motion state of the terminal, the second historical state of each system network covering the terminal is correspondingly acquired;
the terminal acquires the historical state of a second access network corresponding to the terminal according to the second historical state of each standard network;
and the terminal constructs a second mapping relation among the historical motion vector, a second historical state of each system network and a historical state of the second access network.
In the foregoing solution, the state information of each system network specifically includes: and currently covering the signal intensity of each system network of the terminal.
In a second aspect, an embodiment of the present invention provides a terminal, where the terminal includes: the device comprises a receiving module, an obtaining module and a decision-making module; wherein,
the receiving module is used for receiving a switching instruction sent by a network side; when a switching instruction sent by a network side is received, the acquisition module is triggered;
the acquisition module is used for acquiring the terminal state information of the terminal;
and the decision module is used for matching the mapping relation between the historical statistical state of the terminal and the state of the terminal access network according to the terminal state information and the measured state information of the current system network, and making a decision on the terminal switching network.
In the foregoing scheme, the obtaining module is specifically configured to:
acquiring the current self position information of the terminal;
or acquiring the current self motion state information of the terminal.
In the above scheme, the terminal further includes: the system comprises a Global Positioning System (GPS) module, a first historical state acquisition module and a first construction module; wherein,
the GPS module is used for periodically acquiring historical position information of the terminal through a Global Positioning System (GPS) according to a preset activation frequency;
the first historical state acquisition module is used for correspondingly acquiring the first historical state of each system network covering the terminal when the GPS module acquires the historical position information of the terminal;
acquiring the historical state of a first access network corresponding to the terminal according to the first historical state of each standard network;
the first construction module is configured to construct a first mapping relationship among the historical location information, a first historical state of each system network, and a historical state of the first access network.
In the above scheme, the terminal further includes: the recording module, the second historical state acquisition module and the second construction module; wherein,
the recording module is used for recording the historical motion state of the terminal in a preset time window and calculating to obtain a corresponding historical motion vector according to the historical motion state;
the second historical state acquisition module is used for correspondingly acquiring the second historical state of each system network covering the terminal when the recording module records the historical motion state of the terminal;
acquiring the historical state of a second access network corresponding to the terminal according to the second historical state of each system network;
the second constructing module is configured to construct a second mapping relationship between the historical motion vector and the historical state of the second access network.
In the foregoing solution, the state information of each system network specifically includes: and currently covering the signal intensity of each system network of the terminal.
According to the terminal and the method for switching the network by the terminal, provided by the embodiment of the invention, the terminal actively switches the network according to the current motion state and the position information and the historical network coverage statistical information, so that the terminal is prevented from switching the network due to a switching instruction frequently sent by a network side, the electric quantity consumed by the terminal for switching the network is reduced, and the user experience is improved.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an alternative mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a communication system in which a mobile terminal according to an embodiment of the present invention can operate;
fig. 3 is a schematic flowchart of a method for switching networks by a terminal according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a mapping relationship according to an embodiment of the present invention;
fig. 5 is a schematic diagram of another mapping relationship provided in the embodiment of the present invention;
fig. 6 is a flowchart illustrating a specific example of a network handover by a terminal according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating another specific example of a terminal switching network according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another terminal according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to fig. 1. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a Personal Digital Assistant (PDA), a tablet computer (PAD), a Portable Multimedia Player (PMP), a navigation device, etc., and a stationary terminal such as a digital TV, a desktop computer, etc. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Fig. 1 is a schematic hardware structure of an alternative mobile terminal for implementing various embodiments of the present invention.
The mobile terminal 100 may include a wireless communication unit 110, a user input unit 130, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented, and that more or fewer components may instead be implemented, the elements of the mobile terminal being described in detail below.
The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive digital broadcasting by using a digital broadcasting system such as a digital broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), a data broadcasting system of forward link media (MediaFLO), a terrestrial digital broadcasting integrated service (ISDB-T), and the like. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetoothTMRadio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbeeTMAnd so on.
The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module 115 is a GPS (global positioning system). According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating current position information in real time.
The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display unit 151 in the form of a layer, a touch screen may be formed.
The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display unit 151 and the like.
The display unit 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 may display a User Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display unit 151 and the touch pad are overlapped with each other in the form of a layer to form a touch screen, the display unit 151 may serve as an input device and an output device. The display unit 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. Depending on the particular desired implementation, the mobile terminal 100 may include two or more display units (or other display devices), for example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.
The memory 160 may store software programs and the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or will be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to this point, mobile terminals have been described in terms of their functionality. Hereinafter, a slide-type mobile terminal among various types of mobile terminals, such as a folder-type, bar-type, swing-type, slide-type mobile terminal, and the like, will be described as an example for the sake of brevity. Accordingly, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
The mobile terminal 100 as shown in fig. 1 may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.
A communication system in which a mobile terminal according to the present invention is operable will now be described with reference to fig. 2.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Referring to fig. 2, the CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be understood that a system as shown in fig. 2 may include multiple BSCs 2750.
Each BS270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz, 5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each sector of a particular BS270 may be referred to as a plurality of cell sites.
As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.
In fig. 2, a plurality of satellites 300 are depicted, but it is understood that useful positioning information may be obtained with any number of satellites. The GPS module 115 as shown in fig. 1 is generally configured to cooperate with satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS270 to transmit forward link signals to the mobile terminal 100.
Based on the above mobile terminal hardware structure and communication system, the present invention provides various embodiments of the method.
Example one
Referring to fig. 3, it illustrates a method for a terminal to switch a network according to an embodiment of the present invention, where the method may include:
s301: when a terminal receives a switching instruction issued by a network side, acquiring terminal state information of the terminal;
s302: and the terminal matches the mapping relation between the historical statistical state of the terminal and the state of the terminal access network according to the terminal state information and the measured state information of the current system network, and makes a decision on the terminal switching network.
It should be noted that the state information of each system network specifically includes: and currently covering the signal intensity of each system network of the terminal. For example, the network formats may include LTE, WCDMA, GSM, CDMA, WIFI, and so on. Therefore, the LTE signal strength information includes: received Signal Strength Indication (RSSI), Reference Signal Received Quality (RSRQ), Reference Signal Received Power (RSRP), signal to noise ratio (SNR); the WCDMA signal strength statistics include: received Signal Code Power (RSCP), ratio of power per modulation bit to spectral density of noise (Ec/No); the GSM signal strength statistics include: RSSI; the WIFI signal strength statistical information comprises: the RSSI.
In the implementation process of the specific network switching, the network side sends a switching instruction to the terminal so that the terminal is switched from the current network to the network to be switched. However, when the terminal is in a considerable number of scenarios, the network quality of the network to be switched does not bring a better data transmission rate for the terminal than the current network. For example, the current terminal operates in a mobile communication network of an LTE system, but when the LTE network signal strength becomes weak and a handover condition from LTE to WCDMA is satisfied, the data service performance of the terminal in the LTE network is still better than that of WCDMA, and at this time, it is the optimal choice for the terminal to continue to be in the current LTE network. For example, according to the statistical information, when the Reference Signal Received Power (RSRP) of LTE is-95 db to-110 db and the signal-to-noise ratio (SNR) interference is small, the data performance is still better than that when the Received Signal Code Power (RSCP) of WCDMA is-80 db. Although the handover condition for handover from LTE to WCDMA is satisfied at this time, the WCDMA network cannot provide better data service performance for the terminal than the LTE network.
In addition, when the user is in a situation where the network signals of each system are weak, for example, when the user is on a train moving at a high speed or in a public washroom in a building, at this time, the signal quality of each system network is weak, and the terminal may be frequently switched in networks of different systems, but since each system network cannot provide good data service performance, frequent switching cannot improve the data service processing performance of the terminal, and therefore, there is no need to switch the network where the terminal is currently located.
In addition to the above two specific situations, the terminal is in many other states, and it is not necessary to switch the network where the terminal is currently located, but since the base station issues the switching command only according to the constant threshold index of the relevant network coverage such as the signal strength, it is impossible to determine whether to switch according to the situation where the terminal is actually located. Therefore, with the solution shown in fig. 1, after receiving the handover command sent by the network side, the terminal actively makes a decision on the terminal handover network according to its own terminal state, and the terminal performs handover without passively receiving the handover command. Therefore, the technical scheme shown in fig. 1 can avoid the terminal passively performing network handover according to the handover instruction when the network side frequently sends the handover instruction, thereby reducing the power consumption of the terminal when the terminal is used for network handover.
Exemplarily, in this embodiment, the acquiring the terminal state information of the terminal itself specifically includes:
the terminal acquires the current position information of the terminal through a positioning system such as a GPS and the like; and/or the presence of a gas in the gas,
the terminal obtains the current self motion state information through sensors such as an acceleration sensor and a horizontal gyroscope.
It can be understood that the position information and the motion state information both can represent the current state of the terminal, and besides the above two kinds of information, a person skilled in the art can also obtain other types of information for representing the state of the terminal, which is not described in detail in this embodiment.
Accordingly, in the mapping relationship between the historical statistical state of the terminal and the state of the terminal accessing the network, the historical statistical state of the terminal may also be the historical statistical values of the position information and the motion state information.
Therefore, for the above location information, optionally, referring to fig. 4, the embodiment of the present invention may further include:
s401: the terminal periodically acquires historical position information of the terminal through a Global Positioning System (GPS) according to a preset activation frequency;
s402: the method comprises the steps that when a terminal collects historical position information of the terminal, a first historical state of each system network covering the terminal is correspondingly obtained;
s403: the terminal acquires the historical state of a first access network corresponding to the terminal according to the first historical state of each system network;
s404: the terminal constructs historical position information, a first mapping relation between a first historical state of each system network and a historical state of a first access network.
In a specific implementation process, the terminal can periodically call a GPS to acquire historical position information according to a preset activation frequency, and periodically draw an activity track graph for the historical position information; acquiring first historical states of all system networks covering the terminal, such as signal strength information of the network and the like, on an activity track while acquiring historical position information of the terminal, and acquiring a state of accessing the terminal to the network according to the first historical states of all system networks; therefore, a first mapping relation among the historical position information, the first historical state of each system network and the historical state of the corresponding terminal access network is established.
Therefore, when the current position of the terminal is at a certain position in the historical motion trail, the terminal can determine whether the terminal is switched according to the measured state information of the current network of each system and the first mapping relation.
For the foregoing motion state information, optionally, referring to fig. 5, a scheme of the embodiment of the present invention may further include:
s501: the terminal records the historical motion state of the terminal in a preset time window, and calculates according to the historical motion state to obtain a corresponding historical motion vector;
s502: when recording the historical motion state of the terminal, the terminal correspondingly acquires a second historical state of each system network covering the terminal;
s503: the terminal acquires the historical state of a second access network corresponding to the terminal according to the second historical state of each system network;
s504: and the terminal constructs a second mapping relation among the historical motion vector, the second historical state of each system network and the historical state of the second access network.
In a specific implementation process, the terminal can acquire a historical motion state of the terminal in a preset time window through Micro Electro Mechanical System (MEMS) sensors such as an acceleration sensor and a horizontal gyroscope, and calculates to obtain a corresponding historical motion vector; within a time window. The terminal acquires a second historical state of each system network covering the terminal, and obtains the historical state of a second access network corresponding to the terminal; and constructing a second mapping relation among the historical motion vector, the second historical state of each system network and the historical state of the second access network.
Therefore, when the current motion state information of the terminal meets the historical motion vector, the terminal can determine whether the terminal is switched according to the measured state information of the current network of each system and the second mapping relation.
The embodiment provides a method for switching a network by a terminal, wherein after receiving a switching instruction sent by a network side, the terminal actively makes a decision for switching the network by the terminal according to the terminal state of the terminal, and the terminal does not passively switch after receiving the switching instruction, so that when the network side frequently sends the switching instruction, the terminal is prevented from passively switching the network according to the switching instruction, and the electric quantity consumed by the terminal for switching the network is reduced.
Example two
Based on the first embodiment, referring to fig. 6, a specific exemplary flow of a terminal switching network provided by the embodiment of the present invention is shown, and may include:
s601: the terminal periodically acquires historical position information of the terminal through a Global Positioning System (GPS) according to a preset activation frequency;
s602: when the terminal collects the historical position information of the terminal, the terminal correspondingly obtains the first historical signal strength of each system network covering the terminal;
s603: the terminal acquires the historical state of a first access network corresponding to the terminal according to the first historical signal strength of each standard network;
s604: the terminal constructs a first mapping relation among historical position information, first historical signal strength of each system network and a historical state of a first access network;
it should be noted that, in the above process of setting the first mapping relationship for the terminal, the terminal can subsequently make a decision as to whether to switch the terminal according to the current location information and the first mapping relationship.
S605: when a terminal receives a switching instruction issued by a network side, acquiring the current position information of the terminal;
s606: and the terminal matches the first mapping relation according to the current position information of the terminal and the measured signal intensity of the current network of each system, and makes a decision on the terminal switching network.
For example, the first mapping relationship of the terminal obtained through steps S601 to S604 is expressed as: when the terminal is in a public washroom, the terminal keeps the existing network access state regardless of the network intensity of each system covering the terminal and does not switch. Therefore, when the terminal receives the switching instruction sent by the network side, the current position information is acquired as the public washroom, and therefore, according to the measured signal intensity of the current network of each system and the first mapping relation, the terminal does not perform network switching and still keeps the current network access state.
For another example, the first mapping relationship of the terminal obtained in steps S601 to S604 is expressed as: when the terminal is in any position, the terminal still maintains access to the LTE network if RSRP of the LTE network covering the terminal is-95 db to-110 db and RSCP of the WCDMA network covering the terminal is-80 db. Therefore, when the terminal receives a switching instruction which is sent by the network side and indicates that the terminal is switched from the LTE network to the WCDMA network, the RSRP of the LTE network measured by the terminal at present is-100 db, the RSCP of the WCDMA network is-80 db, and the terminal determines not to be switched from the LTE network to the WCDMA network at present according to the first mapping relation.
EXAMPLE III
Based on the first embodiment, referring to fig. 7, a specific exemplary flow of another terminal switching network provided by the embodiment of the present invention is shown, and may include:
s701: the terminal records the historical motion state of the terminal through MEMS sensors such as an acceleration sensor and a horizontal gyroscope in a preset time window, and calculates and obtains a corresponding historical motion vector according to the historical motion state;
s702: when recording the historical motion state of the terminal, the terminal correspondingly acquires second historical signal intensity of each system network covering the terminal;
s703: the terminal acquires the historical state of a second access network corresponding to the terminal according to the second historical signal strength of each system network;
s704: the terminal constructs a second mapping relation among the historical motion vector, the second historical signal strength of each system network and the historical state of a second access network;
it should be noted that, in the above process of setting the second mapping relationship for the terminal, the terminal can subsequently make a decision as to whether to switch the terminal according to the current motion vector and the second mapping relationship.
S705: when the terminal receives a switching instruction issued by a network side, acquiring a current motion vector of the terminal;
s706: and the terminal matches a second mapping relation according to the current motion vector of the terminal and the measured signal intensity of the current network of each system, and makes a decision on the terminal switching network.
For example, the second mapping relationship of the terminal obtained through steps S701 to S704 may be expressed as: when the current movement speed of the terminal exceeds 80km/s, the terminal keeps the existing network access state and does not switch regardless of the network intensity of each system covering the terminal. Therefore, when the terminal receives a switching instruction sent by the network side, the current motion vector of the terminal is obtained and described as the current motion speed of the terminal being 100km/s, so that the terminal does not perform network switching according to the measured signal strength of the current network of each system and the second mapping relation, and the current network access state is still maintained.
Example four
Referring to fig. 8, which illustrates a structure of a terminal 80 according to an embodiment of the present invention, the terminal 80 may include: a receiving module 801, an obtaining module 802 and a decision module 803; wherein,
the receiving module 801 is configured to receive a switching instruction sent by a network side; when receiving a switching instruction sent by a network side, triggering the obtaining module 802;
the obtaining module 802 is configured to obtain terminal state information of the terminal itself;
the decision module 803 is configured to match a mapping relationship between a historical statistical state of a terminal and a state of a terminal access network according to the terminal state information and the measured state information of the current system network, and make a decision on the terminal switching network.
Illustratively, the obtaining module 802 is specifically configured to:
acquiring the current self position information of the terminal;
or acquiring the current self motion state information of the terminal.
Optionally, referring to fig. 9, the terminal 80 further includes: a GPS module 804, a first historical state acquisition module 805, and a first construction module 806; wherein,
the GPS module 804 is used for periodically acquiring historical position information of the terminal through a Global Positioning System (GPS) according to a preset activation frequency;
the first historical state acquisition module 805 is configured to correspondingly acquire a first historical state of each system network covering the terminal when the GPS module 804 acquires historical location information of the terminal;
acquiring the historical state of a first access network corresponding to the terminal according to the first historical state of each standard network;
the first constructing module 806 is configured to construct a first mapping relationship among the historical location information, the first historical state of each system network, and the historical state of the first access network.
Optionally, referring to fig. 10, the terminal 80 further includes: a recording module 807, a second historical state acquisition module 808, and a second construction module 809; wherein,
the recording module 807 is configured to record a historical motion state of the terminal itself in a preset time window, and calculate a corresponding historical motion vector according to the historical motion state;
the second historical state acquiring module 808 is configured to, when the recording module 807 records the historical motion state of the terminal itself, correspondingly acquire a second historical state of each system network covering the terminal;
acquiring the historical state of a second access network corresponding to the terminal according to the second historical state of each system network;
the second constructing module 809 is configured to construct a second mapping relationship between the historical motion vector and the historical state of the second access network.
Illustratively, the state information of each system network specifically includes: and currently covering the signal intensity of each system network of the terminal.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method described in the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method for a terminal to switch networks is characterized in that the method comprises the following steps:
the method comprises the steps that when a terminal receives a switching instruction sent by a network side, terminal state information of the terminal is obtained;
and the terminal matches the mapping relation between the historical statistical state of the terminal and the state of the terminal access network according to the terminal state information and the measured state information of the current various system networks, and makes a decision on the terminal switching network.
2. The method according to claim 1, wherein the acquiring the terminal state information of the terminal itself specifically includes:
the terminal acquires the current position information of the terminal; and/or the presence of a gas in the gas,
the terminal acquires the current self motion state information.
3. The method according to claim 2, wherein before the terminal receives the handover command sent by the network side, the method further comprises:
the terminal periodically acquires historical position information of the terminal through a Global Positioning System (GPS) according to a preset activation frequency;
the method comprises the steps that when the terminal collects historical position information of the terminal, a first historical state of each system network covering the terminal is correspondingly obtained;
the terminal acquires the historical state of a first access network corresponding to the terminal according to the first historical state of each standard network;
and the terminal constructs a first mapping relation among the historical position information, the first historical state of each system network and the historical state of the first access network.
4. The method according to claim 2, wherein before the terminal receives the handover command sent by the network side, the method further comprises:
the terminal records the historical motion state of the terminal in a preset time window, and calculates according to the historical motion state to obtain a corresponding historical motion vector;
when the terminal records the historical motion state of the terminal, the second historical state of each system network covering the terminal is correspondingly acquired;
the terminal acquires the historical state of a second access network corresponding to the terminal according to the second historical state of each standard network;
and the terminal constructs a second mapping relation among the historical motion vector, a second historical state of each system network and a historical state of the second access network.
5. The method according to claim 1, wherein the status information of the networks of each system specifically includes: and currently covering the signal intensity of each system network of the terminal.
6. A terminal, characterized in that the terminal comprises: the device comprises a receiving module, an obtaining module and a decision-making module; wherein,
the receiving module is used for receiving a switching instruction sent by a network side; when a switching instruction sent by a network side is received, the acquisition module is triggered;
the acquisition module is used for acquiring the terminal state information of the terminal;
and the decision module is used for matching the mapping relation between the historical statistical state of the terminal and the state of the terminal access network according to the terminal state information and the measured state information of the current system network, and making a decision on the terminal switching network.
7. The terminal of claim 6, wherein the obtaining module is specifically configured to:
acquiring the current self position information of the terminal;
or acquiring the current self motion state information of the terminal.
8. The terminal of claim 7, further comprising: the system comprises a Global Positioning System (GPS) module, a first historical state acquisition module and a first construction module; wherein,
the GPS module is used for periodically acquiring historical position information of the terminal through a Global Positioning System (GPS) according to a preset activation frequency;
the first historical state acquisition module is used for correspondingly acquiring the first historical state of each system network covering the terminal when the GPS module acquires the historical position information of the terminal;
acquiring the historical state of a first access network corresponding to the terminal according to the first historical state of each standard network;
the first construction module is configured to construct a first mapping relationship among the historical location information, a first historical state of each system network, and a historical state of the first access network.
9. The terminal of claim 7, further comprising: the recording module, the second historical state acquisition module and the second construction module; wherein,
the recording module is used for recording the historical motion state of the terminal in a preset time window and calculating to obtain a corresponding historical motion vector according to the historical motion state;
the second historical state acquisition module is used for correspondingly acquiring the second historical state of each system network covering the terminal when the recording module records the historical motion state of the terminal;
acquiring the historical state of a second access network corresponding to the terminal according to the second historical state of each system network;
the second constructing module is configured to construct a second mapping relationship between the historical motion vector and the historical state of the second access network.
10. The terminal according to claim 6, wherein the status information of the networks of each system specifically includes: and currently covering the signal intensity of each system network of the terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006398.9A CN105491634A (en) | 2016-01-05 | 2016-01-05 | Terminal and network switching method for terminal |
| PCT/CN2016/109515 WO2017118263A1 (en) | 2016-01-05 | 2016-12-12 | Terminal, network switching method for terminal, and computer storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610006398.9A CN105491634A (en) | 2016-01-05 | 2016-01-05 | Terminal and network switching method for terminal |
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