CN112367688B - Network selection method, terminal equipment and computer readable storage medium - Google Patents
Network selection method, terminal equipment and computer readable storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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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
- H04W36/305—Handover due to radio link failure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the invention discloses a network selecting method, terminal equipment and a computer readable storage medium, which are used for pre-constructing a cell model, reducing sweep frequency time under the condition of weak signals, reducing standby measurement time and times, reducing measurement time under the condition of moving or non-moving, improving reselection speed, saving power consumption of the terminal equipment and prolonging standby time. The method of the embodiment of the invention comprises the following steps: acquiring first cell attribute information; determining a network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, wherein the preset cell model comprises information of cell identifiers corresponding to different cell attribute information; and measuring the cell corresponding to the selected network cell identifier, and accessing.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a network selection method, a terminal device, and a computer readable storage medium.
Background
A terminal device may sometimes not access a network normally in a weak network environment, so a full-band scan may be initiated, for example: each scan lasts for 30-60S, which in the case of weak signals increases the power consumption if the long scan fails to register with the network. The frequency point range and the number of cells measured by the terminal equipment during measurement or scanning are relatively large, and power consumption is increased. Moreover, the terminal equipment needs to go through the cells around the continuous measurement to reselect to the new cell when moving.
Disclosure of Invention
The embodiment of the invention provides a network selecting method, terminal equipment and a computer readable storage medium, which are used for pre-constructing a cell model, reducing sweep frequency time under the condition of weak signals, reducing standby measurement time and times, reducing measurement time under the condition of moving or non-moving, improving reselection speed, saving power consumption of the terminal equipment and prolonging standby time.
In view of this, a first aspect of the present invention provides a method for selecting a network, which may include:
acquiring first cell attribute information;
determining a network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, wherein the preset cell model comprises information of cell identifiers corresponding to different cell attribute information;
and measuring the cell corresponding to the selected network cell identifier, and accessing.
Optionally, the first cell attribute information includes at least one of a first cell identifier, a first frequency point, and a first bandwidth.
Optionally, the first cell attribute information includes the first cell identifier, and the preset cell model includes information of different cell identifiers and corresponding neighbor cell identifiers;
the determining, according to a preset cell model, a network selection cell identifier corresponding to the first cell attribute information includes:
Determining at least one neighbor cell identifier corresponding to the first cell identifier according to the information of the different cell identifiers and the corresponding neighbor cell identifiers;
the measuring the cell corresponding to the cell identifier for selecting the network comprises the following steps:
and selecting a network for at least one neighbor cell corresponding to the at least one neighbor cell identifier.
Optionally, the first cell attribute information includes the first frequency point, and the preset cell model includes information of different frequency points and corresponding cell identifiers;
the determining, according to a preset cell model, a network selection cell identifier corresponding to the first cell attribute information includes:
determining at least one second cell identifier corresponding to the first frequency point according to the information of the different frequency points and the corresponding cell identifiers;
the measuring the cell corresponding to the cell identifier for selecting the network comprises the following steps:
and measuring at least one second cell corresponding to the at least one second cell identifier, and selecting a network.
Optionally, the first cell attribute information includes the first bandwidth, and the preset cell model includes information of different bandwidths and corresponding cell identifiers;
the determining, according to a preset cell model, a network selection cell identifier corresponding to the first cell attribute information includes:
Determining at least one third cell identifier corresponding to the first bandwidth according to the different bandwidths and the information of the corresponding cell identifiers;
the measuring the cell corresponding to the cell identifier for selecting the network comprises the following steps:
and measuring at least one third cell corresponding to the at least one third cell identifier, and selecting a network.
Optionally, the measuring the cell corresponding to the cell identifier of the network selection, performing network selection, includes:
measuring the signal quality of the cell corresponding to the selected network cell identifier and/or the sequence of access priority;
and selecting a target cell for access, wherein the signal quality of the target cell is greater than a signal quality threshold value, and/or the access priority is highest, and the cell corresponding to the selected network cell identifier comprises the target cell.
Optionally, the cell corresponding to the network selection cell identifier is a cell within a preset range.
A second aspect of the present invention provides a terminal device, which may include:
the acquisition module is used for acquiring the attribute information of the first cell;
the processing module is used for determining a network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, wherein the preset cell model comprises information of cell identifiers corresponding to different cell attribute information; and measuring the cell corresponding to the selected network cell identifier, and accessing.
Optionally, the first cell attribute information includes at least one of a first cell identifier, a first frequency point, and a first bandwidth.
Optionally, the first cell attribute information includes the first cell identifier, and the preset cell model includes information of different cell identifiers and corresponding neighbor cell identifiers;
the processing module is specifically configured to determine at least one neighbor cell identifier corresponding to the first cell identifier according to the information of the different cell identifiers and the corresponding neighbor cell identifiers; and selecting a network for at least one neighbor cell corresponding to the at least one neighbor cell identifier.
Optionally, the first cell attribute information includes the first frequency point, and the preset cell model includes information of different frequency points and corresponding cell identifiers;
the processing module is specifically configured to determine at least one second cell identifier corresponding to the first frequency point according to the information of the different frequency points and the corresponding cell identifiers; and measuring at least one second cell corresponding to the at least one second cell identifier, and selecting a network.
Optionally, the first cell attribute information includes the first bandwidth, and the preset cell model includes information of different bandwidths and corresponding cell identifiers;
The processing module is specifically configured to determine at least one third cell identifier corresponding to the first bandwidth according to the different bandwidths and the information of the corresponding cell identifiers; and measuring at least one third cell corresponding to the at least one third cell identifier, and selecting a network.
Optionally, the processing module is specifically configured to measure signal quality of a cell corresponding to the network cell identifier and/or access a priority order; and selecting a target cell for access, wherein the signal quality of the target cell is greater than a signal quality threshold value, and/or the access priority is highest, and the cell corresponding to the selected network cell identifier comprises the target cell.
Optionally, the cell corresponding to the network selection cell identifier is a cell within a preset range.
A third aspect of the present invention provides a terminal device, which may include:
a memory storing executable program code;
a processor coupled to the memory;
a transceiver coupled to the processor;
the transceiver, the processor invokes the executable program code stored in the memory for performing the method as described in the first aspect of the invention and any alternative implementation of the first aspect.
A fourth aspect of embodiments of the present invention provides a readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method as described in the first aspect of the present invention and any alternative implementation of the first aspect.
A fifth aspect of an embodiment of the invention discloses a computer program product which, when run on a computer, causes the computer to perform any of the methods disclosed in the first aspect of the embodiment of the invention.
A sixth aspect of the embodiments of the present invention discloses an application publishing platform for publishing a computer program product, wherein the computer program product, when run on a computer, causes the computer to perform any one of the methods disclosed in the first aspect of the embodiments of the present invention.
From the above technical solutions, the embodiment of the present invention has the following advantages:
in the embodiment of the invention, the attribute information of a first cell is acquired; determining a network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, wherein the preset cell model comprises information of cell identifiers corresponding to different cell attribute information; and measuring the cell corresponding to the selected network cell identifier, and accessing. Because the preset cell model comprises the information of the cell identifications corresponding to the different cell attribute information, when the terminal equipment acquires the first cell attribute information, the terminal equipment only needs to search and measure the cell corresponding to the first cell attribute information and does not need full-frequency band measurement, thereby reducing the measurement time and times, saving the power consumption of the terminal equipment and prolonging the standby time. For example: the sweep frequency time under the condition of weak signals is reduced, the standby measurement time and times are reduced, the measurement time under the condition of moving or non-moving is reduced, the reselection speed is improved, the power consumption of terminal equipment is saved, and the standby time is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments and the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings.
FIG. 1 is a diagram of a communication system architecture to which embodiments of the present invention are applied;
FIG. 2 is a schematic diagram of one embodiment of a method of selecting a net in an embodiment of the present invention;
fig. 3A is a schematic diagram of a cell model constructed by a terminal device according to an embodiment of the present invention;
fig. 3B is a schematic diagram of a terminal device constructing a cell model according to an embodiment of the present invention;
fig. 3C is a schematic diagram of a terminal device measuring a cell corresponding to the network selection cell identifier in an embodiment of the present invention;
fig. 4 is a schematic diagram of searching a terminal device in a weak network scenario in an embodiment of the present invention;
fig. 5 is a schematic diagram of an embodiment of a terminal device in an embodiment of the present invention;
fig. 6 is a schematic diagram of another embodiment of a terminal device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a network selecting method, terminal equipment and a computer readable storage medium, which are used for pre-constructing a cell model, reducing sweep frequency time under the condition of weak signals, reducing standby measurement time and times, reducing measurement time under the condition of moving or non-moving, improving reselection speed, saving power consumption of the terminal equipment and prolonging standby time.
In order that those skilled in the art will better understand the present invention, reference will now be made to the accompanying drawings in which embodiments of the invention are illustrated, it being apparent that the embodiments described are only some, but not all, of the embodiments of the invention. Based on the embodiments of the present invention, it should be understood that the present invention is within the scope of protection.
As shown in fig. 1, a communication system architecture diagram to which an embodiment of the present invention is applied is shown. The communication system may include a network device and a terminal device. Wherein the terminal device may also be referred to as a mobile device; the network devices may in turn comprise access network devices and core network devices. I.e. the wireless communication system further comprises a plurality of core networks for communicating with the access network devices. The access network device may be a long-term evolution (LTE) system, a next generation (NR) system, or an evolved base station (evolutional node B, abbreviated as eNB or e-NodeB) macro base station, a micro base station (also called "small base station"), a pico base station, an Access Point (AP), a transmission point (transmission point, TP), a new generation base station (new generation Node B, gNodeB), or the like in an licensed assisted access long-term evolution (LAA-LTE) system.
A terminal device, which may be referred to as a User Equipment (UE), a Mobile Station (MS), a mobile terminal device (mobile terminal), an intelligent terminal device, etc., may communicate with one or more core networks via a radio access network (radio access network, RAN). For example, the terminal device may be a mobile phone (or "cellular" phone), a computer with a mobile terminal device, etc., as well as portable, pocket, hand-held, computer-built-in or car-mounted mobile devices and terminal devices in future NR networks that exchange voice or data with the radio access network. Description of terminal device: in the invention, the terminal equipment can also comprise a Relay and can be regarded as the terminal equipment with the base station capable of carrying out data communication.
In the embodiment of the invention, the cell model of the cell corresponding to the cell attribute information is pre-constructed, and can be called a preset cell model or a preset cell model, and the like, and the method is not particularly limited. The following is an example illustration:
(1) Under the condition of weak signals, the terminal equipment can be limited to determine the network selection cell corresponding to the acquired first cell attribute information according to a preset cell model, and scan the network selection cell corresponding to the first cell attribute information, so that the frequency sweeping time and the power consumption are greatly reduced.
(2) When the terminal equipment performs cell measurement, the network selection cell in the current service cell honeycomb mode can be measured according to the preset cell model, and the measurement frequency point and the measurement time are reduced, so that the power consumption is reduced.
(3) When the terminal equipment moves, the network selection cell in the current service cell cellular mode can be preferentially measured, so that surrounding cells can be quickly reselected.
(4) After restarting or switching network system, the terminal device scans, searches the first cell, and then directly searches the cells around the first cell according to the searched cellular mode of the first cell, so as to reduce the scanning time of other cells and frequency points.
In the following, by way of example, the technical solution of the present invention is further described, as shown in fig. 2, which is a schematic diagram of an embodiment of a method for selecting a mesh in the embodiment of the present invention, and may include:
201. and constructing a cell model.
It can be understood that the constructed cell model can be understood as a preset cell model, and the preset cell model can be called a preset cellular model, and also can be called a preset network model, a preset cellular network model, a preset cell model, and the like.
The terminal equipment can analyze the cell attribute information carried by the system information, the methods of radio resource control (Radio Resource Control, RRC) reconfiguration/cell switching information and the like by measuring, record the neighbor cells around the service cell, and the attribute information of the frequency point, bandwidth, paging cycle, public land mobile network (Public Land Mobile Network, PLMN) and the like of each cell to form a cell model. If the terminal equipment moves continuously, the cell model is enlarged continuously, and the cell model of surrounding cells is constructed more accurately. Fig. 3A is a schematic diagram of a cell model constructed by a terminal device according to an embodiment of the present invention.
For example, the description is given with reference to fig. 3B, and fig. 3B is a schematic diagram of a terminal device performing cell model construction in an embodiment of the present invention. In fig. 3B, after the terminal device is powered on, if the terminal device registers with the server cell 1 and searches for the neighboring cells 2, 3, 4, 5, 6, 7, the cellular model of the serving cell 1 is constructed according to the cell data as follows: the neighbor cells are 2, 3, 4, 5, 6 and 7. The following steps can be continued if other neighbor cells are measured on the serving cell 1, so that the cellular model of the serving cell 1 is continuously improved. Meanwhile, a honeycomb model of the cell 2 can be constructed, wherein the cell 1 is a neighboring cell in the honeycomb model of the cell 2, and the honeycomb models of the cells 3, 4, 5, 6 and 7 are similar methods, and are not described in detail herein. Each cell corresponds to a small cell model which, when combined, forms a large cell model.
After the terminal device performs measurement and searches for the neighbor cells in a mobile scene, a static scene and the like, a cellular model scheme is constructed similarly to a starting scene, and the details are not repeated here. However, it should be noted that after the terminal device is powered on, the serving cell that is not currently accessed will first perform search measurement to obtain at least one cell, and then determine which cell to select for access. The terminal device is in a mobile scenario or a stationary scenario, and is typically currently an access serving cell. The search measurements are made regardless of the scenario in which the terminal device is making the cell model.
Optionally, the cell model does not include a cell corresponding to PLMN information not supported by the terminal device.
It should be noted that, it is assumed that, when the terminal device performs measurement search, the acquired cell attribute information may also include PLMN information, where PLMN information generally includes mobile, telecommunications, and communication. If the terminal device is a mobile operator, there may be no cells supporting telecommunications and connectivity in the established cell model; if the terminal device is a telecommunications carrier, there may be no mobile and communication supporting cells in the established cell model; if the terminal device is a telecommunications carrier, there may be no cells supporting telecommunications and mobility in the established cell model.
202. And acquiring the attribute information of the first cell.
It is understood that the first cell attribute information may include, but is not limited to: at least one of a first cell identity, a first bandwidth, and a first frequency point.
If the terminal equipment is in a starting scene, the obtained first cell identifier can be an identifier of a cell with the best signal quality obtained by searching and measuring when the terminal equipment is started, and/or an identifier of a cell with the highest access priority obtained by searching and measuring. If the terminal equipment is in a mobile or stationary scene, the acquired first cell identifier may be the identifier of the currently accessed serving cell.
It can be appreciated that the first bandwidth and the first frequency point may be bandwidths and frequency points supported by the terminal device.
203. And determining the network selection cell identification corresponding to the first cell attribute information according to a preset cell model, wherein the preset cell model comprises information of cell identifications corresponding to different cell attribute information.
Optionally, (1) the first cell attribute information includes the first cell identifier, and the preset cell model includes information of different cell identifiers and corresponding neighbor cell identifiers; the terminal device determines the network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, and may include: the terminal equipment determines at least one neighbor cell identifier corresponding to the first cell identifier according to the information of the different cell identifiers and the corresponding neighbor cell identifiers; the terminal device measures the cell corresponding to the network selection cell identifier to select the network, and the method can comprise the following steps: and the terminal equipment performs network selection on at least one neighbor cell corresponding to the at least one neighbor cell identifier.
(2) The first cell attribute information comprises the first frequency point, and the preset cell model comprises information of different frequency points and corresponding cell identifiers; the terminal device determines the network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, and may include: the terminal equipment determines at least one second cell identifier corresponding to the first frequency point according to the information of the different frequency points and the corresponding cell identifiers; the terminal device measures the cell corresponding to the network selection cell identifier to select the network, and the method can comprise the following steps: and the terminal equipment measures at least one second cell corresponding to the at least one second cell identifier and performs network selection.
(3) The first cell attribute information comprises the first bandwidth, and the preset cell model comprises information of different bandwidths and corresponding cell identifiers; the terminal device determines the network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, and may include: the terminal equipment determines at least one third cell identifier corresponding to the first bandwidth according to the different bandwidths and the information of the corresponding cell identifiers; the terminal device measures the cell corresponding to the network selection cell identifier to select the network, and the method can comprise the following steps: and the terminal equipment measures at least one third cell corresponding to the at least one third cell identifier and performs network selection.
(4) The first cell attribute information comprises the first cell identifier and the first frequency point, and the preset cell model comprises information of different cell identifiers, different frequency points and corresponding cell identifiers; the terminal device determines the network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, and may include: the terminal equipment determines at least one adjacent cell identifier corresponding to the first cell according to the cell identifier and the information of different frequency points and corresponding cell identifiers; determining at least one fourth cell identifier meeting the first frequency point in at least one adjacent cell identifier; the terminal device measures the cell corresponding to the network selection cell identifier to select the network, and the method can comprise the following steps: and the terminal equipment measures at least one fourth cell corresponding to the at least one fourth cell identifier and performs network selection.
(5) The first cell attribute information comprises the first cell identifier and the first bandwidth, and the preset cell model comprises information of different cell identifiers, different bandwidths and corresponding cell identifiers; the terminal device determines the network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, and may include: the terminal equipment determines at least one adjacent cell identifier corresponding to the first cell according to the cell identifier and the information of different bandwidths and corresponding cell identifiers; determining at least one fifth cell identifier meeting the first bandwidth in at least one adjacent cell identifier; the terminal device measures the cell corresponding to the network selection cell identifier to select the network, and the method can comprise the following steps: and the terminal equipment measures at least one fifth cell corresponding to the at least one fifth cell identifier and performs network selection.
It should be noted that, if the first attribute information includes a plurality of different attribute information, for example, includes the first cell identifier, the first bandwidth, and the first frequency point at the same time, when the terminal device determines according to the first attribute information and the preset cell model, the timing of determining the different attribute information and the preset cell model is not limited. For example: the method comprises the steps of determining a first cell identifier and a preset cell model to obtain at least one adjacent cell identifier, determining according to the at least one cell identifier and a first bandwidth to obtain at least one sixth cell identifier, determining according to the at least one sixth cell identifier and a first frequency point to obtain at least one seventh cell identifier, and understanding the at least one seventh cell identifier as a network selection cell identifier corresponding to the first cell attribute information.
204. And measuring the cell corresponding to the selected network cell identifier, and accessing.
Optionally, the terminal device measures a cell corresponding to the network selection cell identifier, and performs network selection, which may include: the terminal equipment measures the signal quality of the cell corresponding to the network selection cell identifier and/or the sequence of the access priority; and the terminal equipment selects a target cell for access, the signal quality of the target cell is greater than a signal quality threshold value, and/or the access priority is highest, and the cell corresponding to the selected network cell identifier comprises the target cell.
Optionally, the cell corresponding to the network selection cell identifier is a cell within a preset range.
It can be understood that after the terminal device builds the cell model, the terminal device can perform optimization such as measurement, network searching, frequency sweeping, reselection and the like by using the cell model for each scene.
The following may be an exemplary illustration of a scenario, as follows:
(1) Starting up or switching network mode scene:
the terminal device searches n (user can also define number) cells which reside last in last power-on state preferentially when the terminal device is powered on. After searching the first cell, searching surrounding neighbor cells according to the first cell cellular model, and searching a proper cell for residence. If none of the n cells that have been camped recently can be scanned, full band scanning can be performed. If a cell model exists in the first cell searched after the same full-band scanning, searching can be performed according to related neighbor cell information in the existing cell model, and the frequency point of the scanning can be reduced.
(2) Weak network searching scene:
in the weak network, due to the conditions of signal fluctuation and the like, the terminal equipment can perform network searching for a plurality of times, full-frequency-band scanning is possible, and if each frequency point of the frequency band performs blind scanning, the power consumption of the terminal equipment can be increased, and idle work can be performed.
By executing the embodiment of the invention, the cell model can be utilized to inquire whether the neighbor cell information of the cell model of the service cell exists currently, and if so, the neighbor cells, frequency points, bandwidth and the like in the cell model can be searched preferentially. And if the neighbor cells in the cell honeycomb model cannot be searched, full-band scanning is performed. If the full band scan has new cell information searched and the camping condition is satisfied, camping on the new cell and updating the cell model. If the full frequency scanning can not scan a new cell and other network systems can not normally reside, only the cell which resides last time and the neighbor cells thereof are searched.
Optionally, under the same network system, the terminal device combines with the motion sensor or the positioning sensor, and if the user is in a static state, only searches for the neighbor cell in the cell model. For example, the currently registered cell is 1, and by querying the cell model, there are 2, 3, 4, 5, 6 and 7 cells around the cell 1, so that the cells are preferentially searched, and if the cells are suitable for camping, the cells are camped on. Fig. 4 is a schematic diagram of searching a terminal device in a weak network scenario in an embodiment of the present invention.
(3) Mobile reselection scenario:
before reselection, the terminal equipment firstly measures, if the current cell has a cell model, the terminal equipment preferentially searches for the adjacent cell in the cell model, and if the adjacent cell in the cell model meets the reselection condition, the terminal equipment can reselect to the adjacent cell. The measurements of other cells may be reduced or blind measurements. For example, if the current serving cell is cell 1, neighbor cells around cell 1 are measured in the mobile scenario.
(4) Static standby scene:
when the terminal equipment is in a static scene by combining a motion sensor or a positioning sensor and the like, if the terminal equipment needs to perform measurement of the same frequency or different frequencies, the terminal equipment can only measure the signal value of the adjacent cell in the cell model according to the information of the adjacent cell in the cell model of the current service cell, and other cells or frequency points do not actively perform measurement. Exemplary, as shown in fig. 3C, a schematic diagram of a terminal device measuring a cell corresponding to the selected cell identifier in an embodiment of the present invention is shown.
In the embodiment of the invention, first cell attribute information is acquired; determining a network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, wherein the preset cell model comprises information of cell identifiers corresponding to different cell attribute information; and measuring the cell corresponding to the selected network cell identifier, and accessing. Because the preset cell model comprises the information of the cell identifications corresponding to the different cell attribute information, when the terminal equipment acquires the first cell attribute information, the terminal equipment only needs to search and measure the cell corresponding to the first cell attribute information and does not need full-frequency band measurement, thereby reducing the measurement time and times, saving the power consumption of the terminal equipment and prolonging the standby time. For example: the sweep frequency time under the condition of weak signals is reduced, the standby measurement time and times are reduced, the measurement time under the condition of moving or non-moving is reduced, the reselection speed is improved, the power consumption of terminal equipment is saved, and the standby time is prolonged.
As shown in fig. 5, which is a schematic diagram of an embodiment of a terminal device in an embodiment of the present invention, the method may include:
an obtaining module 501, configured to obtain first cell attribute information;
a processing module 502, configured to determine a network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, where the preset cell model includes information of cell identifiers corresponding to different cell attribute information; and measuring the cell corresponding to the selected network cell identifier, and accessing.
Optionally, the first cell attribute information includes at least one of a first cell identifier, a first frequency point, and a first bandwidth.
Optionally, the first cell attribute information includes the first cell identifier, and the preset cell model includes information of different cell identifiers and corresponding neighbor cell identifiers;
the processing module 502 is specifically configured to determine at least one neighbor cell identifier corresponding to the first cell identifier according to the information of the different cell identifiers and the corresponding neighbor cell identifiers; and selecting a network for at least one neighbor cell corresponding to the at least one neighbor cell identifier.
Optionally, the first cell attribute information includes the first frequency point, and the preset cell model includes information of different frequency points and corresponding cell identifiers;
The processing module 502 is specifically configured to determine at least one second cell identifier corresponding to the first frequency point according to the information of the different frequency points and the corresponding cell identifiers; and measuring at least one second cell corresponding to the at least one second cell identifier, and selecting a network.
Optionally, the first cell attribute information includes the first bandwidth, and the preset cell model includes information of different bandwidths and corresponding cell identifiers;
the processing module 502 is specifically configured to determine at least one third cell identifier corresponding to the first bandwidth according to the different bandwidths and the information corresponding to the cell identifiers; and measuring at least one third cell corresponding to the at least one third cell identifier, and selecting a network.
Optionally, the processing module 502 is specifically configured to measure a signal quality of a cell corresponding to the selected network cell identifier and/or an order of access priority; and selecting a target cell for access, wherein the signal quality of the target cell is greater than a signal quality threshold value, and/or the access priority is highest, and the cell corresponding to the selected network cell identifier comprises the target cell.
Optionally, the cell corresponding to the network selection cell identifier is a cell within a preset range.
As shown in fig. 6, a schematic diagram of another embodiment of a terminal device according to an embodiment of the present invention, where the terminal device is illustrated by using a mobile phone as an example, may include: radio Frequency (RF) circuitry 610, memory 620, input unit 630, display unit 640, sensor 650, audio circuitry 660, wireless fidelity (wireless fidelity, wiFi) module 670, processor 680, and power supply 690. The radio frequency circuit 610 includes a receiver 614 and a transmitter 612. Those skilled in the art will appreciate that the handset configuration shown in fig. 6 is not limiting of the handset and may include more or fewer components than shown, or may combine certain components, or may be arranged in a different arrangement of components.
The following describes the components of the mobile phone in detail with reference to fig. 6:
the RF circuit 610 may be configured to receive and transmit signals during a message or a call, and in particular, receive downlink information of a base station and process the downlink information with the processor 680; in addition, the data of the design uplink is sent to the base station. Typically, the RF circuitry 610 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (low noise amplifier, LNA), a duplexer, and the like. In addition, the RF circuitry 610 may also communicate with networks and other devices via wireless communications. The wireless communications may use any communication standard or protocol including, but not limited to, global system for mobile communications (global system of mobile communication, GSM), general packet radio service (general packet radio service, GPRS), code division multiple access (code division multiple access, CDMA), wideband code division multiple access (wideband code division multiple access, WCDMA), long term evolution (long term evolution, LTE), email, short message service (short messaging service, SMS), and the like.
The memory 620 may be used to store software programs and modules, and the processor 680 may perform various functional applications and data processing of the cellular phone by executing the software programs and modules stored in the memory 620. The memory 620 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 620 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
The input unit 630 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the handset. In particular, the input unit 630 may include a touch panel 631 and other input devices 632. The touch panel 631, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 631 or thereabout using any suitable object or accessory such as a finger, a stylus, etc.), and drive the corresponding connection device according to a preset program. Alternatively, the touch panel 631 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into touch point coordinates, which are then sent to the processor 680 and can receive commands from the processor 680 and execute them. In addition, the touch panel 631 may be implemented in various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The input unit 630 may include other input devices 632 in addition to the touch panel 631. In particular, other input devices 632 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc.
The display unit 640 may be used to display information input by a user or information provided to the user and various menus of the mobile phone. The display unit 640 may include a display panel 641, and optionally, the display panel 641 may be configured in the form of a liquid crystal display (liquid crystal display, LCD), an organic light-Emitting diode (OLED), or the like. Further, the touch panel 631 may cover the display panel 641, and when the touch panel 631 detects a touch operation thereon or thereabout, the touch panel 631 is transferred to the processor 680 to determine the type of the touch event, and then the processor 680 provides a corresponding visual output on the display panel 641 according to the type of the touch event. Although in fig. 6, the touch panel 631 and the display panel 641 are two independent components to implement the input and input functions of the mobile phone, in some embodiments, the touch panel 631 and the display panel 641 may be integrated to implement the input and output functions of the mobile phone.
The handset may also include at least one sensor 650, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 641 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 641 and/or the backlight when the mobile phone is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; other sensors such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured with the handset are not described in detail herein.
Audio circuitry 660, speaker 661, microphone 662 may provide an audio interface between a user and the handset. The audio circuit 660 may transmit the received electrical signal converted from audio data to the speaker 661, and the electrical signal is converted into a sound signal by the speaker 661 to be output; on the other hand, microphone 662 converts the collected sound signals into electrical signals, which are received by audio circuit 660 and converted into audio data, which are processed by audio data output processor 680 for transmission to, for example, another cell phone via RF circuit 610, or which are output to memory 620 for further processing.
WiFi belongs to a short-distance wireless transmission technology, and a mobile phone can help a user to send and receive emails, browse webpages, access streaming media and the like through a WiFi module 670, so that wireless broadband Internet access is provided for the user. Although fig. 6 shows a WiFi module 670, it is understood that it does not belong to the necessary constitution of the mobile phone, and can be omitted entirely as required within the scope of not changing the essence of the invention.
Processor 680 is a control center of the handset, connects various parts of the entire handset using various interfaces and lines, and performs various functions and processes of the handset by running or executing software programs and/or modules stored in memory 620, and invoking data stored in memory 620, thereby performing overall monitoring of the handset. Optionally, processor 680 may include one or more processing units; preferably, the processor 680 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 680.
The handset further includes a power supply 690 (e.g., a battery) for powering the various components, which may be logically connected to processor 680 by a power management system, such as to provide charge, discharge, and power management functions via the power management system. Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which will not be described herein.
In an embodiment of the present invention, the processor 680 is configured to perform the following functions:
acquiring first cell attribute information;
determining a network selection cell identifier corresponding to the first cell attribute information according to a preset cell model, wherein the preset cell model comprises information of cell identifiers corresponding to different cell attribute information;
and measuring the cell corresponding to the selected network cell identifier, and accessing.
Optionally, the first cell attribute information includes at least one of a first cell identifier, a first frequency point, and a first bandwidth.
Optionally, the processor 680 is configured to perform the following functions:
the first cell attribute information comprises the first cell identifier, and the preset cell model comprises information of different cell identifiers and corresponding neighbor cell identifiers;
determining at least one neighbor cell identifier corresponding to the first cell identifier according to the information of the different cell identifiers and the corresponding neighbor cell identifiers;
And selecting a network for at least one neighbor cell corresponding to the at least one neighbor cell identifier.
Optionally, the processor 680 is configured to perform the following functions:
the first cell attribute information comprises the first frequency point, and the preset cell model comprises information of different frequency points and corresponding cell identifiers;
determining at least one second cell identifier corresponding to the first frequency point according to the information of the different frequency points and the corresponding cell identifiers;
and measuring at least one second cell corresponding to the at least one second cell identifier, and selecting a network.
Optionally, the processor 680 is configured to perform the following functions:
the first cell attribute information comprises the first bandwidth, and the preset cell model comprises information of different bandwidths and corresponding cell identifiers;
determining at least one third cell identifier corresponding to the first bandwidth according to the different bandwidths and the information of the corresponding cell identifiers;
and measuring at least one third cell corresponding to the at least one third cell identifier, and selecting a network.
Optionally, the processor 680 is configured to perform the following functions:
measuring the signal quality of the cell corresponding to the selected network cell identifier and/or the sequence of access priority;
And selecting a target cell for access, wherein the signal quality of the target cell is greater than a signal quality threshold value, and/or the access priority is highest, and the cell corresponding to the selected network cell identifier comprises the target cell.
Optionally, the cell corresponding to the network selection cell identifier is a cell within a preset range.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product.
The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present invention, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be stored by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), etc.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the several embodiments provided in the present invention, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A method of selecting a net, comprising:
building a preset cell model, wherein the preset cell model is a honeycomb model;
acquiring first cell attribute information, wherein the first cell attribute information comprises a first cell identifier and a first bandwidth;
determining a network selection cell identifier corresponding to the first cell attribute information according to the preset cell model, wherein the preset cell model comprises information of different cell identifiers and corresponding neighbor cell identifiers and information of different bandwidths and corresponding cell identifiers;
measuring the cell corresponding to the cell identifier of the network selection, and selecting the network;
the determining, according to the preset cell model, the network selection cell identifier corresponding to the first cell attribute information includes:
Determining at least one neighbor cell identifier corresponding to the first cell identifier according to the information of the different cell identifiers and the corresponding neighbor cell identifiers and the information of the different bandwidths and the corresponding cell identifiers, and determining at least one fifth cell identifier meeting the first bandwidth in the at least one neighbor cell identifier;
the measuring the cell corresponding to the cell identifier for selecting the network comprises the following steps:
and measuring at least one fifth cell corresponding to the at least one fifth cell identifier, and selecting a network.
2. The method of claim 1, wherein the first cell attribute information comprises a first frequency point, and the preset cell model comprises information of different frequency points and corresponding cell identifications;
the determining, according to the preset cell model, the network selection cell identifier corresponding to the first cell attribute information includes:
determining at least one second cell identifier corresponding to the first frequency point according to the information of the different frequency points and the corresponding cell identifiers;
the measuring the cell corresponding to the cell identifier for selecting the network comprises the following steps:
and measuring at least one second cell corresponding to the at least one second cell identifier, and selecting a network.
3. The method according to claim 1 or 2, wherein said measuring the cell corresponding to the cell identifier of the selected network, performing network selection, comprises:
measuring the signal quality of the cell corresponding to the selected network cell identifier and/or the sequence of access priority;
and selecting a target cell for access, wherein the signal quality of the target cell is greater than a signal quality threshold value, and/or the access priority is highest, and the cell corresponding to the selected network cell identifier comprises the target cell.
4. A method according to claim 1 or 2, wherein the cell to which the selected network cell identity corresponds is a cell within a preset range.
5. A terminal device, comprising:
the module is used for constructing a preset cell model, wherein the preset cell model is a cell model and comprises information of different cell identifications and corresponding neighbor cell identifications and information of different bandwidths and corresponding cell identifications;
the acquisition module is used for acquiring first cell attribute information, wherein the first cell attribute information comprises a first cell identifier and a first bandwidth;
the processing module is used for determining at least one neighbor cell identifier corresponding to the first cell identifier according to the information of the different cell identifiers and the corresponding neighbor cell identifiers and the information of the different bandwidths and the corresponding cell identifiers, and determining at least one fifth cell identifier meeting the first bandwidth in the at least one neighbor cell identifier; and measuring at least one fifth cell corresponding to the at least one fifth cell identifier, and selecting a network.
6. A terminal device, comprising:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes the executable program code stored in the memory for performing the method of any one of claims 1-4.
7. A computer readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of any of claims 1-4.
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