WO2018120032A1 - 小区切换方法和终端设备 - Google Patents

小区切换方法和终端设备 Download PDF

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Publication number
WO2018120032A1
WO2018120032A1 PCT/CN2016/113532 CN2016113532W WO2018120032A1 WO 2018120032 A1 WO2018120032 A1 WO 2018120032A1 CN 2016113532 W CN2016113532 W CN 2016113532W WO 2018120032 A1 WO2018120032 A1 WO 2018120032A1
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WO
WIPO (PCT)
Prior art keywords
cell
terminal device
currently
identifier
rrc connection
Prior art date
Application number
PCT/CN2016/113532
Other languages
English (en)
French (fr)
Inventor
夏士英
兰宏波
周昌凤
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/113532 priority Critical patent/WO2018120032A1/zh
Priority to CN201680077654.1A priority patent/CN108476441B/zh
Priority to US16/472,686 priority patent/US10728854B2/en
Priority to EP16925280.6A priority patent/EP3547752B1/en
Publication of WO2018120032A1 publication Critical patent/WO2018120032A1/zh
Priority to US16/870,424 priority patent/US11076354B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present invention relate to communication technologies, and in particular, to a cell handover method and a terminal device.
  • the 4G communication network has the advantages of fast network speed, good communication quality, and always online, which brings a good experience to users.
  • the embodiment of the present invention provides a cell handover method and a terminal device, which are used to solve the problem that the terminal device in the prior art is abnormal in the configuration of the terminal device, and the power consumption of the terminal device is increased, and the endurance capability is poor. technical problem.
  • a first aspect of the embodiments of the present invention provides a cell handover method, where a terminal device is currently camped on a first cell, and the terminal device is still located in a coverage area of the second cell.
  • the method includes: the terminal device does not determine the preset duration.
  • the terminal device determines whether the radio resource control RRC connection is released; when it is determined that the RRC connection is not released, the terminal device switches from the first cell to the second cell.
  • the cell handover method provided by the first aspect, when the terminal device residing in the first cell transmits no data service within a preset duration, whether the RRC connection with the base station to which the first cell belongs is released, and then determining When the RRC connection is not released, it may be determined that the configuration of the first cell has a problem, so that the first cell configured to have a problem may be handed over to the second cell, so as to prevent the terminal device from being consumed by the RRC connection with the base station of the first cell.
  • the problem of increased power consumption reduces the power consumption of the terminal equipment and improves the battery life of the terminal equipment.
  • the terminal device is configured to switch from the first cell to the second cell, where: the terminal device determines whether the terminal device is currently in an off state; the terminal device is in the When the terminal device is currently in the off state, the first cell is switched to the second cell.
  • the terminal device may directly switch from the first cell configured to have a problem to the second cell when the terminal device is currently in the off-screen state. While reducing the power consumption of the terminal device, the user experience is also taken into consideration.
  • the switching, by the terminal device, the first cell to the second cell includes: the terminal device switching from the first cell to the second cell, and recording the first cell Logo.
  • the terminal device when the terminal device performs the cell handover procedure, the terminal device may also record the identifier of the first cell, so that when the terminal device moves to the coverage of the first cell and the second cell again, The terminal device can determine the configuration problem of the first cell by using the identifier of the first cell that is recorded, and can avoid accessing the first cell, so as to prevent the first cell with the configuration problem from affecting the power consumption of the terminal device, and further The power consumption of the terminal device is reduced, and the endurance capability of the terminal device is further improved.
  • the switching, by the terminal device, the first cell to the second cell includes:
  • the terminal device records an identifier of the first cell when the terminal device is currently in a bright screen state
  • the terminal device determines whether the identifier of the cell currently camped by the terminal device is the identifier of the first cell that is recorded, when the terminal device enters the screen-off state from the bright screen state;
  • the terminal device switches from the first cell to the second cell when the identifier of the cell currently camped by the terminal device is the identifier of the first cell that is recorded.
  • the terminal device may first record the identifier of the first cell when the terminal device is currently in a bright state, and then determine the current state of the terminal device after the terminal device enters the screen-off state. Whether the identifier of the camped cell is the same as the identifier of the recorded first cell, and when the same is the same, the cell handover procedure is performed to switch from the first cell configured with the problem to the second cell, so as to avoid causing the network not to the user.
  • the stable experience reduces the power consumption of the terminal device while taking into account the user experience.
  • the first cell and the second cell are cells in a same-standard communication network.
  • the first cell and the second cell are cells in a different standard communication network.
  • a second aspect of the present invention provides a terminal device, where the terminal device currently resides in a first cell, and the terminal device is still located in a coverage area of the second cell; the terminal device includes: a determining module, And determining, by the switching module, whether to switch from the first cell to the second when determining that the RRC connection is not released, when determining that there is no data service transmission within a preset duration, determining whether the RRC connection is released; Community.
  • the switching module includes: a first determining unit, configured to determine whether the terminal device is currently in a screen-off state; and the first switching unit is specifically configured to: when the terminal device is currently in a state of being in a screen-off state, Switching from the first cell to the second cell.
  • the first switching unit is specifically configured to switch from the first cell to the second cell, and record an identifier of the first cell.
  • the switching module includes: a second determining unit, configured to determine whether the terminal device is currently in a blanking state; and a recording unit, configured to: when the terminal device is currently in a bright screen state, record the An identifier of the first cell, where the third determining unit is configured to determine whether the identifier of the cell currently camped by the terminal device is the recorded first cell, when the terminal device enters a screen-off state from the bright screen state And the second switching unit is configured to switch from the first cell to the second cell when the identifier of the cell currently camped by the terminal device is the identifier of the first cell that is recorded.
  • the first cell and the second cell are cells in a same-standard communication network.
  • the first cell and the second cell are cells in a different standard communication network.
  • the beneficial effects of the above-mentioned second aspect and the possible implementation manners of the second aspect reference may be made to the advantages of the first aspect and the possible implementation manners of the first aspect, and no longer Narration.
  • a third aspect of the embodiments of the present invention provides a terminal device, where the terminal device currently resides in a first cell, and the terminal device is still located in a coverage area of the second cell; the terminal device includes: a processor, a memory; wherein the memory is for storing computer executable program code, the program code comprising instructions; when the processor executes the instruction, the instruction causes the terminal device to perform the first aspect and the first
  • the beneficial effects of the cell switching method described in each of the possible embodiments refer to the first aspect and the beneficial effects of the possible implementation manners of the first aspect, and details are not described herein.
  • a fourth aspect of the embodiments of the present invention provides a terminal device, including At least one processing element (or chip) of the method.
  • a fifth aspect of an embodiment of the present invention provides a program for performing the method of the above first aspect when executed by a processor.
  • a sixth aspect of the embodiments of the present invention provides a program product, such as a computer readable storage medium, comprising the program of the fifth aspect.
  • the cell handover method and the terminal device when the terminal device residing in the first cell transmits no data service within a preset duration, may determine whether the RRC connection with the base station to which the first cell belongs is released. Further, when it is determined that the RRC connection is not released, it may be determined that the configuration of the first cell has a problem, so that the first cell configured to have a problem may be handed over to the second cell, so as to prevent the terminal device from maintaining the RRC connection with the base station of the first cell.
  • the problem of increased power consumption of the terminal device reduces the power consumption of the terminal device and improves the battery life of the terminal device.
  • FIG. 1 is a schematic flowchart of a cell handover method according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of another cell handover method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram 1 of power consumption of a terminal device according to an embodiment of the present invention.
  • FIG. 4 is a second schematic diagram of power consumption of a terminal device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of still another terminal device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of still another terminal device according to an embodiment of the present disclosure.
  • FIG. 9 is a block diagram showing a partial structure of a terminal device when the terminal device is a mobile phone according to an embodiment of the present invention.
  • the terminal device may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the wireless terminal can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • RAN can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • it can be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language with a wireless access network. Words and / or data.
  • a wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, or an access point.
  • Remote Terminal Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • the terminal device when a user uses a terminal device in a 4G communication network, the terminal device can perform data transmission with the base station by using a Radio Resource Control (RRC) connection established by the base station to which the cell belongs.
  • RRC Radio Resource Control
  • the base station may send an RRC connection release request to the terminal device, so that the terminal device can release the RRC connection, so as to prevent the terminal device from increasing the power consumption of the terminal device by maintaining an RRC connection with the base station.
  • the base station to which the cell belongs is not sent to the terminal device.
  • the RRC connection release request causes the RRC connection to remain between the base station and the terminal device when there is no data transmission between the base station and the terminal device. Since the terminal device maintains an RRC connection with the base station through its own modem, that is, when there is no data transmission between the base station and the terminal device, the RRC connection is still maintained between the modem of the terminal device and the base station, so that the modem needs to continue to work, and the addition is made.
  • the power consumption of the terminal device leads to poor endurance of the terminal device.
  • the embodiment of the present invention provides a cell handover method, so that if the terminal device cannot release the RRC connection after no data transmission, the terminal device can be switched to another normal configuration cell to avoid the terminal device and the base station. During data transmission, the RRC connection is still maintained between the terminal device and the base station, thereby reducing the power consumption of the terminal device and improving the endurance capability of the terminal device. Therefore, the cell handover method provided by the embodiment of the present invention is to solve the technical problem that the terminal device has a power consumption increase and a poor endurance capability due to an abnormal configuration of a cell in which the terminal device is located.
  • the cell handover method provided by the embodiment of the present invention includes not limited to 4G.
  • Application scenarios of terminal devices in a communication network It can be understood by those skilled in the art that the cell handover method provided by the embodiment of the present invention can be used in all the scenarios in which the power consumption of the terminal device is increased due to the abnormal configuration of the cell in which the terminal device resides.
  • the following application documents are all described by taking a 4G communication network as an example.
  • FIG. 1 is a schematic flowchart diagram of a cell handover method according to an embodiment of the present invention.
  • the terminal device currently resides in the first cell and is located within the coverage of one or more second cells. That is to say, the terminal device can transmit the data service by establishing an RRC connection with the base station to which the first cell belongs.
  • the embodiment relates to a specific process of the terminal device switching from the first cell to the second cell when determining that the RRC connection is not released.
  • the method can include:
  • the terminal device determines whether the RRC connection is released when determining that there is no data service transmission within the preset duration.
  • the terminal device switches from the first cell to the second cell.
  • the foregoing preset duration may be determined according to a manner in which the base station to which the configured cell belongs to send an RRC connection release request. For example, if the base station to which the normal cell belongs and the terminal device transmit no RRC connection within 10 seconds, and the base station sends an RRC connection release request to the terminal device, the preset duration may be greater than or equal to 10 seconds. If the base station to which the normal cell belongs and the terminal device have no data service transmission within one minute, and the base station sends an RRC connection release request to the terminal device, the preset duration may be greater than or equal to 1 minute.
  • the terminal device determines whether the terminal device receives the data sent by the base station to which the first cell belongs within the preset time period, and whether the data is sent to the base station to which the first cell belongs within the preset time period, Determine if there is data traffic transmission within the preset duration. If the terminal device does not receive the data sent by the base station to which the first cell belongs and does not send data to the base station to which the first cell belongs, the terminal device may determine that there is no data service transmission within the preset duration.
  • the terminal device may further determine, by using the RRC connection release request sent by the base station to which the first cell belongs, in the preset duration, to further determine the terminal device and the first small Whether the RRC connection between the base stations to which the zone belongs is released.
  • the terminal device can determine that the RRC connection between the terminal device and the base station to which the first cell belongs has been released. At this time, the terminal device does not appear that "the terminal device and the base station to which the first cell belongs have no RRC connection between the terminal device and the base station to which the first cell belongs when there is no data transmission", and thus the situation is not caused by the situation. This causes the power consumption of the terminal device to increase. Therefore, in this case, the terminal device can continue to camp on the first cell without taking any measures.
  • the configuration of the first cell is faulty, so that the terminal device and the base station to which the first cell belongs are within a preset duration.
  • the RRC connection release procedure is still not performed, and therefore, the terminal device can determine that the RRC connection between the terminal device and the base station to which the first cell belongs is not released.
  • the terminal device has no data transmission with the base station to which the first cell belongs, but the RRC connection is still maintained between the terminal device and the base station to which the first cell belongs, that is, the modem of the terminal device and the base station to which the first cell belongs are still maintained.
  • the RRC connection makes the modem of the terminal need to work continuously, which increases the power consumption of the terminal device, resulting in poor endurance of the terminal device.
  • the terminal device can switch from the first cell in which the configuration has a problem to the second cell. If the second cell is a cell with normal configuration, after the terminal device switches to the second cell, when there is no data transmission with the base station to which the second cell belongs, the terminal device and the base station to which the second cell belongs may normally disconnect from the RRC. Connect to avoid increasing the power consumption of the terminal equipment, thereby improving the endurance of the terminal equipment.
  • the embodiment does not limit the implementation manner in which the foregoing terminal equipment is switched from the first cell to the second cell.
  • the second cell is also a cell in a 4G communication network, that is, the first cell and the second cell are cells in a same-standard communication network.
  • the terminal device may send a pseudo measurement report generated by the terminal device to the base station to which the first cell belongs when determining that the RRC connection is not released.
  • the pseudo measurement report is used to indicate to the base station to which the first cell belongs that the terminal device is currently camped on the first cell, and the channel condition is poor.
  • the base station to which the first cell belongs can determine, according to the measurement report, that the terminal device currently meets the cell handover condition, thereby instructing the terminal device to switch from the first cell by sending a cell handover indication to the terminal device. Go to the second cell, so that the terminal device can switch from the first cell to the second cell according to the cell handover indication. at this time, If the terminal device is currently in the coverage of one or more second cells, the base station may select a suitable second cell for the terminal device by using an existing cell handover procedure, and instruct the terminal device to switch from the first cell to the Second cell.
  • the second cell is a cell in a communication network corresponding to a communication system before a communication system corresponding to the 4G communication network, for example, a 3G communication network, a 2G communication network, or the like. That is, the first cell and the second cell are cells in different standard communication networks.
  • the terminal device may further send a network capability change request that the terminal device does not support the 4G communication network to the base station to which the first cell belongs when determining that the RRC connection is not released, and further enable the 4G communication network and the 3G communication network.
  • the communication system in which the communication network is located may allow the terminal device to re-search for the 3G communication network and reside in the second cell in the 3G communication network to implement handover of the terminal device from the first cell to the second cell.
  • the terminal device residing in the first cell when it transmits no data service within a preset duration, it may determine whether the RRC connection with the base station to which the first cell belongs is released, and further When it is determined that the RRC connection is not released, it may be determined that the configuration of the first cell has a problem, so that the first cell that is configured to have a problem may be handed over to the second cell, so as to prevent the terminal device from maintaining the RRC connection with the base station of the first cell, causing the terminal device
  • the problem of increased power consumption reduces the power consumption of the terminal device and improves the battery life of the terminal device.
  • the terminal device may further determine whether the terminal device is currently in the off state. For example, how the terminal device determines whether the terminal device is currently in the off state can be referred to the prior art.
  • the first case the terminal device is currently in the off state.
  • the terminal device determines that the RRC connection is not released, the terminal device is currently in the off state, indicating that the user does not currently use the terminal device. At this time, if the terminal device performs the cell handover procedure, it does not affect the user. Therefore, the terminal device can directly switch from the first cell in which the configuration has a problem to the second cell. While reducing the power consumption of the terminal device, the user experience is also taken into consideration.
  • the terminal device may further record the identifier of the first cell, so that when the terminal device moves to the coverage of the first cell and the second cell again, the terminal device may pass the recorded
  • the identifier of a cell determines that there is a problem in the configuration of the first cell, and thus can avoid accessing the first cell, so as to avoid the configuration of the first cell that has a problem.
  • the power consumption of the terminal device further reduces the power consumption of the terminal device, and further improves the endurance capability of the terminal device.
  • the identifier of the first cell recorded by the terminal device may be corresponding to a preset duration, and after the accumulated duration of the identifier of the first cell is reached, the preset duration is The terminal device may delete the identifier of the first cell to release the restriction that cannot reside in the first cell. In this way, the terminal device can still access the first cell after moving to the first cell after the configuration of the first cell returns to normal, and the normal communication of the terminal device is ensured.
  • the preset duration may be specifically determined according to a recovery time of the first cell configuration abnormality.
  • the second case the terminal device is currently in a bright screen state.
  • the terminal device may first record the identifier of the first cell, and then, after the terminal device enters the screen-off state from the bright screen state, the identifier and location of the cell currently camped by the terminal device.
  • the recorded identity of the first cell is compared to determine whether the identity of the cell in which the terminal device is currently camped on is the identity of the recorded first cell.
  • the identifier of the first cell mentioned herein may be any identifier that can uniquely identify the first cell, for example, the ID of the first cell.
  • the terminal device When the identifier of the cell in which the terminal device currently camps is the same as the identifier of the recorded first cell, it indicates that the terminal device still resides in the first cell in which the configuration problem exists. Therefore, the terminal device can perform a cell handover procedure to switch from the first cell configuring the problem to the second cell. At this time, the terminal device is in the off-screen state. Therefore, the terminal device performs the cell handover process, which does not cause an unstable network experience for the user, and reduces the power consumption of the terminal device while taking into account the user experience.
  • the terminal device can determine whether the current camped cell has a configuration abnormality in the manner of the foregoing embodiment. For the implementation manner and implementation principle, refer to the foregoing embodiment, and details are not described herein again.
  • the foregoing terminal device records the identifier of the first cell when the terminal device is currently in a bright screen state. Therefore, when the terminal device is located again in the coverage area of the first cell and the second cell
  • the terminal device may determine the configuration problem of the first cell by using the identifier of the first cell, and may avoid accessing the first cell, so as to avoid configuring the first cell having the problem to affect the power consumption of the terminal device.
  • the power consumption of the terminal device is further reduced, and the endurance capability of the terminal device is further improved.
  • the identifier of the first cell recorded by the terminal device may be corresponding to a preset duration, and after the accumulated duration of the identifier of the first cell is reached, the preset duration is The terminal device may delete the identifier of the first cell to release the restriction that cannot reside in the first cell. In this way, the terminal device can still access the first cell after moving to the first cell after the configuration of the first cell returns to normal, and the normal communication of the terminal device is ensured.
  • the preset duration may be specifically determined according to a recovery time of the first cell configuration abnormality.
  • the terminal device residing in the first cell when it transmits no data service within a preset duration, it may determine whether the RRC connection with the base station to which the first cell belongs is released, and further When it is determined that the RRC connection is not released, it may be determined that the configuration of the first cell has a problem, so that the first cell that is configured to have a problem may be handed over to the second cell, so as to prevent the terminal device from maintaining the RRC connection with the base station of the first cell, causing the terminal device
  • the problem of increased power consumption reduces the power consumption of the terminal device and improves the battery life of the terminal device.
  • FIG. 2 is a schematic flowchart diagram of another cell handover method according to an embodiment of the present invention. As shown in Figure 2, the method includes:
  • the terminal device determines whether to camp on the first cell. If yes, execute S202, and if no, end.
  • the terminal device may determine whether the terminal device camps on the first cell by receiving a response message sent by the base station to which the first cell belongs to indicate that the terminal device is successfully camped.
  • the terminal device receives the response message, indicating that the terminal device camps on the first cell, S202 is performed.
  • the terminal device does not receive the response message, indicating that the terminal device does not camp on the first cell, the process ends.
  • the terminal device determines whether an RRC connection is established. If yes, execute S203, and if no, continue to S202.
  • the terminal device may further determine the terminal. Whether an RRC connection is established between the device and the base station to which the first cell belongs.
  • the terminal device may determine whether the terminal device and the base station to which the first cell belongs by receiving a response message indicating that the RRC connection is successfully established, or a response message indicating that the RRC connection reconfiguration is successful. Establish an RRC connection.
  • the terminal device receives any of the foregoing response messages, it indicates that the RRC connection is established between the terminal device and the base station to which the first cell belongs, and then S203 is performed.
  • the terminal device does not receive any of the foregoing response messages, it indicates that the RRC connection is not established between the terminal device and the base station to which the first cell belongs, and then proceeds to S202.
  • the terminal device starts a timer.
  • the terminal device may start a timer to monitor whether the configuration of the first cell is abnormal by using a timer.
  • the duration of the timer is the preset duration as described in the foregoing embodiment.
  • the terminal device determines whether there is data service transmission before the timer expires. If yes, execute S203, and if no, execute S205.
  • the terminal device may determine whether there is data service transmission in real time by receiving data sent by the base station to which the first cell belongs, and whether to send data to the base station to which the first cell belongs.
  • the terminal device may execute S205 when the timer expires. If the terminal device determines that there is a data service transmission before the timer expires, the terminal device may return to execute S203 after the data service transmission ends, so that the terminal device can restart the timer. Therefore, the terminal device can prepare, based on the restarted timer, whether there is no data service transmission within the preset time period.
  • the terminal device determines whether the RRC connection is released when the timer expires. If yes, the process ends. If no, the process proceeds to S206.
  • the terminal device may receive, by the terminal device, the RRC connection release sent by the base station to which the first cell belongs before the timer expires.
  • the request determines whether an RRC connection between the terminal device and the base station to which the first cell belongs is released.
  • the terminal device When it is determined that the RRC connection is not released, it indicates that there is a problem in the configuration of the first cell, so that the RRC connection release procedure is not performed between the terminal device and the base station to which the first cell belongs when the timer expires (ie, within a preset duration). At this time, the terminal device has no data transmission with the base station to which the first cell belongs. However, the RRC connection is still maintained between the terminal device and the base station to which the first cell belongs, that is, the RRC connection between the modem of the terminal device and the base station to which the first cell belongs is maintained, so that the modem of the terminal needs to continue to work, which increases the consumption of the terminal device.
  • the power consumption causes the terminal equipment to have poor endurance. Therefore, the terminal device needs to perform cell handover to avoid staying in the first cell where the configuration has a problem, and affect the power consumption of the terminal device.
  • the terminal device determines whether the terminal device is currently in the off state. If yes, execute S207, if no, execute S208.
  • the terminal device switches from the first cell to the second cell, and records an identifier of the first cell.
  • the terminal device determines that the RRC connection is not released, the terminal device is currently in the off state, indicating that the user does not currently use the terminal device. At this time, if the terminal device performs the cell handover procedure, it does not affect the user. Therefore, the terminal device can directly switch from the first cell in which the configuration has a problem to the second cell. At this time, if the second cell is a cell with a normal configuration, after the terminal device switches to the second cell, when there is no data transmission with the base station to which the second cell belongs, the terminal device and the base station to which the second cell belongs may be normal. Disconnect the RRC connection. While reducing the power consumption of the terminal device, the user experience is also taken into consideration.
  • the terminal device may determine, by using the recorded identifier of the first cell, that there is a problem in the configuration of the first cell, thereby avoiding accessing the first
  • the cell avoids the configuration of the problematic first cell to affect the power consumption of the terminal device, further reduces the power consumption of the terminal device, and further improves the endurance capability of the terminal device.
  • the terminal device records an identifier of the first cell.
  • the terminal device may first record the identifier of the first cell in which the configuration problem exists.
  • the terminal device determines whether the terminal device enters a screen-off state from a bright screen state. If yes, execute S210, and if no, continue to execute S209.
  • the terminal device can detect the current state of the screen of the terminal device in real time or periodically to determine whether the end device enters the screen-off state from the bright screen state.
  • the terminal device may further determine whether the terminal device enters and disappears from a bright screen state by receiving a sleep instruction input by the user. Screen status.
  • the terminal device determines whether an identifier of a cell currently camped by the terminal device is an identifier of the recorded first cell. If yes, execute S211, and if no, execute S201.
  • the terminal device compares the identifier of the cell currently camped by the terminal device with the recorded identifier of the first cell, to determine that the terminal device is currently stationed in the terminal device. Whether the identity of the reserved cell is the identity of the recorded first cell. If the terminal device still resides in the first cell with the configuration problem, the terminal device can perform the cell handover procedure, that is, S211. If no, the terminal device has moved to another cell, and the terminal device can re-execute the process to determine whether the configuration of the currently camped cell is abnormal, and avoid the power consumption of the terminal device caused by the cell currently camped by the terminal device. The amount increases.
  • the terminal device switches from the first cell to the second cell.
  • the terminal device After the terminal device enters the screen-off state from the bright screen state, it is determined that the cell currently camped by the terminal device is still the first cell, and performs a cell handover procedure to switch from the first cell to the second cell.
  • the terminal device is currently in the off state, indicating that the user is not currently using the terminal device. Therefore, the terminal device performs the cell handover process, which does not affect the user, and reduces the power consumption of the terminal device while taking into account the user experience.
  • FIG. 3 is a first schematic diagram of power consumption of a terminal device according to an embodiment of the present invention.
  • FIG. 4 is a second schematic diagram of power consumption of a terminal device according to an embodiment of the present invention.
  • the power consumed by the RRC connection per hour is about 150 to 160 mA.
  • the terminal device after the terminal device switches from the first cell with the abnormal configuration to the second cell with the normal configuration, the terminal device consumes the hourly after the RRC connection is disconnected from the base station to which the second cell belongs.
  • the power is about 5 to 10 mA.
  • the terminal device can control the power consumption to 10 mAh per hour after switching to another cell with normal configuration when the current cell configuration is abnormal.
  • the power consumption of the cell that resides in the abnormal configuration is saved by 100 mA or more per hour, and the power saving effect is remarkable.
  • the terminal device residing in the first cell when it transmits no data service within a preset duration, it may determine whether the RRC connection with the base station to which the first cell belongs is released, and further When it is determined that the RRC connection is not released, it may be determined that the configuration of the first cell has a problem, so that the first cell configured to have a problem may be switched to the second cell to avoid the end.
  • the problem that the terminal device consumes power due to the RRC connection with the base station of the first cell reduces the power consumption of the terminal device and improves the battery life of the terminal device.
  • the cell switching method provided by the embodiment of the present invention is described by taking the first cell configuration abnormality as an example.
  • the cell handover method provided by the embodiment of the present invention is also applicable to a terminal device in a first cell that is normally configured as follows: when the terminal device has no data transmission, The RRC connection release request is not sent to the terminal, so that the power consumption of the terminal device is increased and the battery life is poor. When the terminal device has no data transmission, the RRC connection is still maintained with the base station to which the first cell belongs, so that the network resource utilization rate is low.
  • the terminal device can reduce the power consumption of the terminal device, and the terminal device that is switched to the second cell releases the base station to which the first cell belongs.
  • the RRC is connected to the RRC to occupy the radio resources, so that the other terminal devices can use the radio resources, and the network resource utilization of the base station to which the first cell belongs is improved.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • the terminal device currently resides in the first cell, and the terminal device is currently located in the coverage of the second cell.
  • the terminal device may include: a determining module 11 and a switching module 12; wherein
  • the determining module 11 is configured to determine whether the radio resource control RRC connection is released when determining that there is no data service transmission within the preset duration;
  • the switching module 12 is configured to switch from the first cell to the second cell when determining that the RRC connection is not released.
  • the foregoing terminal device can be used to perform the foregoing method embodiments, and the specific implementation manners and technical effects are similar, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of another terminal device according to an embodiment of the present invention.
  • the switching module of the terminal device may include:
  • the first determining unit 121 is configured to determine whether the terminal device is currently in a blanking state
  • the first switching unit 122 is specifically configured to switch from the first cell to the second cell when the terminal device is currently in the off state.
  • the first switching unit 122 is specifically configured to switch from the first cell to the second cell, and record the identifier of the first cell.
  • the foregoing terminal device can be used to perform the foregoing method embodiments, and the specific implementation manners and technical effects are similar, and details are not described herein again.
  • FIG. 7 is a schematic structural diagram of still another terminal device according to an embodiment of the present invention.
  • the switching module of the terminal device may include:
  • a second determining unit 123 configured to determine whether the terminal device is currently in a blanking state
  • the recording unit 124 is configured to record the identifier of the first cell when the terminal device is currently in a bright screen state
  • the third determining unit 125 is configured to determine whether the identifier of the cell currently camped by the terminal device is the identifier of the recorded first cell, when the terminal device enters the screen-off state from the bright screen state;
  • the second switching unit 126 is configured to switch from the first cell to the second cell when the identifier of the cell currently camped by the terminal device is the identifier of the recorded first cell.
  • the foregoing terminal device can be used to perform the foregoing method embodiments, and the specific implementation manners and technical effects are similar, and details are not described herein again.
  • FIG. 8 is a schematic structural diagram of still another terminal device according to an embodiment of the present invention.
  • the terminal device includes: a processor 31 and a memory 34.
  • the terminal device further includes: a transmitter 32, a receiver 33, and an antenna 35.
  • the memory 34, the transmitter 32 and the receiver 33 and the processor 31 can be connected via a bus.
  • the memory 34, the transmitter 32, and the receiver 33 and the processor 31 may not be a bus structure, but may be other structures, such as a star structure, which is not specifically limited in the present application.
  • the processor 31 may be a general-purpose central processing unit or an ASIC, and may be one or more integrated circuits for controlling program execution, may be hardware circuits developed using an FPGA, and may be a baseband processor.
  • processor 31 may include at least one processing core.
  • the memory 34 may include one or more of ROM, RAM, and disk storage. kind. Memory 34 is used to store data and/or instructions needed by processor 31 to operate. The number of memories 34 can be one or more.
  • the processor 31 is configured to execute the instruction of the memory 34.
  • the processor 31 executes the instruction stored in the memory 34, the processor 31 is configured to execute the cell switching method performed by the terminal device, specifically:
  • the processor 31 is configured to determine, when the data transmission is not performed within the preset duration, whether the RRC connection is released, and switch from the first cell to the second when determining that the RRC connection is not released. Community.
  • the processor 31 may be configured to determine whether the terminal device is currently in an off-screen state, and further, when the terminal device is currently in the off-screen state, The first cell switches to the second cell. Further, the processor 31 may be configured to record the identifier of the first cell while switching from the first cell to the second cell.
  • the processor 31 may determine, by the terminal device, whether the terminal device is currently in an off-screen state; and when the terminal device is currently in a bright-screen state, record And determining, by the terminal device, that the identifier of the cell currently camped on by the terminal device is the recorded identifier of the first cell; And when the identifier of the cell currently camped by the terminal device is the identifier of the first cell that is recorded, the first cell is switched to the second cell.
  • the foregoing terminal device can be used to perform the foregoing method embodiments, and the specific implementation manners and technical effects are similar, and details are not described herein again.
  • the terminal device in the embodiment of the present invention may be a wireless terminal such as a mobile phone or a tablet computer. Therefore, the terminal device is used as a mobile phone as an example:
  • FIG. 9 is a schematic diagram of the terminal device provided by the mobile phone according to an embodiment of the present invention. A block diagram of a partial structure.
  • the mobile phone may include: a radio frequency (RF) circuit 1110, a memory 1120, an input unit 1130, a display unit 1140, a sensor 1150, an audio circuit 1160, a wireless fidelity (WiFi) module 1170, and processing.
  • RF radio frequency
  • Device 1180 and power supply 1190 and other components.
  • the structure of the handset shown in FIG. 9 does not constitute a limitation to the handset, and may include more or less components than those illustrated, or some components may be combined, or different components may be arranged.
  • the RF circuit 1110 can be used for transmitting and receiving information or receiving and transmitting signals during a call, in particular After receiving the downlink information of the base station, the processing is processed by the processor 1180. In addition, the uplink data is sent to the base station.
  • RF circuits include, but are not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • RF circuitry 1110 can also communicate with the network and other devices via wireless communication.
  • the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), e-mail, Short Messaging Service (SMS), and the like.
  • GSM Global System of Mobile communication
  • GPRS General Pack
  • the memory 1120 can be used to store software programs and modules, and the processor 1180 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 1120.
  • the memory 1120 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application 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 be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
  • memory 1120 can include high speed random access memory, and can 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 1130 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 1130 may include a touch panel 1131 and other input devices 1132.
  • the touch panel 1131 also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 1131 or near the touch panel 1131. Operation), and drive the corresponding connecting device according to a preset program.
  • the touch panel 1131 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 1180 is provided and can receive commands from the processor 1180 and execute them.
  • the touch panel 1131 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 1130 may also include other input devices 1132. Specifically, other input devices 1132 may be included Including but not limited to one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 1140 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 1140 may include a display panel 1141.
  • the display panel 1141 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the touch panel 1131 can be overlaid on the display panel 1141.
  • the touch panel 1131 detects a touch operation thereon or nearby, the touch panel 1131 transmits to the processor 1180 to determine the type of the touch event, and then the processor 1180 is The type of touch event provides a corresponding visual output on display panel 1141.
  • the touch panel 1131 and the display panel 1141 are two independent components to implement the input and input functions of the mobile phone, in some embodiments, the touch panel 1131 and the display panel 1141 may be integrated. Realize the input and output functions of the phone.
  • the handset may also include at least one type of sensor 1150, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 1141 according to the brightness of the ambient light, and the light sensor may close the display panel 1141 and/or when the mobile phone moves to the ear. Or backlight.
  • the acceleration sensor can detect the acceleration of each direction (usually three axes). When it is still, it can detect the magnitude and direction of gravity. It can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related games).
  • the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer repeat .
  • Audio circuitry 1160, speaker 1161, and microphone 1162 can provide an audio interface between the user and the handset.
  • the audio circuit 1160 can transmit the converted electrical data of the received audio data to the speaker 1161, and convert it into a sound signal output by the speaker 1161; on the other hand, the microphone 1162 converts the collected sound signal into an electrical signal, and the audio circuit 1160 After receiving, it is converted into audio data, and then processed by the audio data output processor 1180, transmitted to the other mobile phone via the RF circuit 1110, or outputted to the memory 1120 for further processing.
  • WiFi is a short-range wireless transmission technology.
  • the mobile phone can help users to send and receive emails, browse web pages and access streaming media through the WiFi module 1170, which provides users with wireless broadband Internet access.
  • FIG. 9 shows the WiFi module 1170, it can be understood that it is not The necessary structure of the mobile phone can be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 1180 is a control center for the handset, which connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 1120, and invoking data stored in the memory 1120, The phone's various functions and processing data, so that the overall monitoring of the phone.
  • the processor 1180 may include one or more processing units.
  • the processor 1180 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and an application. Etc.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 1180.
  • the handset also includes a power supply 1190 (such as a battery) that powers the various components.
  • a power supply 1190 (such as a battery) that powers the various components.
  • the power supply can be logically coupled to the processor 1180 via a power management system to manage charging, discharging, and power management functions through the power management system.
  • the mobile phone can also include a camera 1200, which can be a front camera or a rear camera.
  • the mobile phone may further include a Bluetooth module, a GPS module, and the like, and details are not described herein again.
  • the processor 1180 included in the mobile phone may be configured to perform the foregoing cell handover method, specifically:
  • the processor 1180 included in the mobile phone may determine, when the data transmission is not performed within the preset duration by the modem processor. Whether the RRC connection is released is determined by the modem processor. In a specific implementation, the processor 1180 can determine whether the data packet sent by the RF circuit 1110 is received by the modem processor within a preset time period, or whether the data packet is sent by the RF circuit 1110 within a preset time period, and the preset time duration is determined. Whether there is no data traffic transmission. The processor 1180 may determine whether the RRC connection is released by the modulating and demodulating processor receiving the RRC connection release request sent by the base station to which the first cell belongs within the preset time period.
  • the processor 1180 included in the mobile phone performs an operation of switching from the first cell to the second cell through the RF circuit 1110 when it is determined that the RRC connection is not released.
  • the processor 1180 included in the mobile phone may determine, by the application processor, whether the mobile phone is currently in the off-screen state, and then pass the mobile phone when the mobile phone is currently in the off-screen state.
  • the RF circuit 1110 performs an operation of switching from the first cell to the second cell.
  • the processor 1180 can receive the operation of the mobile phone by using the application processor.
  • the mobile phone broadcasts the event that is broadcast by the system to determine whether the mobile phone is currently in the off state.
  • the processor 1180 included in the mobile phone may be configured to record the identifier of the first cell while switching from the first cell to the second cell.
  • the processor 1180 included in the mobile phone may determine, by the application processor, whether the mobile phone is currently in a blanking state; when the mobile phone is currently in a bright screen state, Recording the identifier of the first cell; and determining, by the application processor, that the mobile phone enters a screen-off state from the bright screen state, determining whether the identifier of the cell currently camped by the mobile phone is the recorded first cell
  • the identifier is: when the identifier of the cell where the mobile phone currently camps is the identifier of the first cell that is recorded, the operation of switching from the first cell to the second cell is performed by the RF circuit 1110.

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Abstract

本发明实施例提供一种小区切换方法和终端设备，该终端设备当前驻留在第一小区，且终端设备当前还位于第二小区的覆盖范围内，该方法包括：终端设备在确定预设时长内无数据业务传输时，确定无线资源控制RRC连接是否释放；在确定RRC连接未释放时，终端设备从第一小区切换到第二小区。本发明实施例提供的小区切换方法和终端设备，能够降低终端设备的耗电量，提高终端设备的续航能力。

Description

小区切换方法和终端设备 技术领域
本发明实施例涉及通信技术，尤其涉及一种小区切换方法和终端设备。
背景技术
目前，随着通信技术的不断发展，基于长期演进(Long Term Evolution，简称：LTE)技术的4G通信网络应运而生。4G通信网络具有网速快、通信质量好、永远在线等优点，给用户带来了良好的体验。
然而，用户在4G通信网络中使用终端设备的过程中，若终端设备所在的小区的配置异常，则会增加终端设备的耗电量，导致终端设备的续航能力较差，无法满足用户实际使用时的需求。
发明内容
本发明实施例提供一种小区切换方法和终端设备，用于解决现有技术中现有技术中终端设备因终端设备所在的小区配置异常，导致终端设备的耗电量增加、续航能力较差的技术问题。
本发明实施例第一方面提供一种小区切换方法，终端设备当前驻留在第一小区，且终端设备当前还位于第二小区的覆盖范围内；方法包括：终端设备在确定预设时长内无数据业务传输时，确定无线资源控制RRC连接是否释放；在确定RRC连接未释放时，终端设备从第一小区切换到第二小区。
通过第一方面提供的小区切换方法，驻留在第一小区的终端设备在预设时长内无数据业务传输时，可以确定与第一小区所属的基站之间的RRC连接是否释放，进而在确定RRC连接未释放时，可以确定第一小区的配置出现问题，从而可以从配置存在问题的第一小区切换到第二小区，以避免终端设备因与第一小区的基站保持RRC连接导致终端设备耗电量增加的问题，降低了终端设备的耗电量，提高了终端设备的续航能力。
可选的，所述终端设备从所述第一小区切换到所述第二小区，包括：所述终端设备确定所述终端设备当前是否处于灭屏状态；所述终端设备在所述 终端设备当前处于灭屏状态时，从所述第一小区切换到所述第二小区。
通过该可能的实施方式所提供的小区切换方法，终端设备可以在所述终端设备当前处于灭屏状态时，直接从配置存在问题的第一小区切换到第二小区。在降低了终端设备的耗电量的同时，又兼顾了用户体验。
示例性的，所述终端设备从所述第一小区切换到所述第二小区，包括：所述终端设备从所述第一小区切换到所述第二小区，并记录所述第一小区的标识。
通过该可能的实施方式所提供的小区切换方法，终端设备在执行完小区切换流程时，还可以记录第一小区的标识，从而使得终端设备再次移动至第一小区和第二小区的覆盖范围时，终端设备可以通过所记录的第一小区的标识，确定第一小区的配置存在问题，进而可以避免接入第一小区，以避免配置存在问题的第一小区影响终端设备的耗电量，进一步降低了终端设备的耗电量，进一步提高了终端设备的续航能力。
可选的，所述终端设备从所述第一小区切换到所述第二小区，包括：
所述终端设备确定所述终端设备当前是否处于灭屏状态；
所述终端设备在所述终端设备当前处于亮屏状态时，记录所述第一小区的标识；
所述终端设备在所述终端设备从所述亮屏状态进入灭屏状态，确定所述终端设备当前驻留的小区的标识是否为记录的所述第一小区的标识；
所述终端设备在所述终端设备当前驻留的小区的标识为记录的所述第一小区的标识时，从所述第一小区切换到所述第二小区。
通过该可能的实施方式所提供的小区切换方法，终端设备可以在所述终端设备当前处于亮屏状态时，先记录第一小区的标识，进而在终端设备进入灭屏状态后，确定终端设备当前驻留的小区的标识与所记录的第一小区的标识是否相同，进而在相同时，执行小区切换流程，以从配置存在问题的第一小区切换到第二小区，以避免给用户造成网络不稳定的体验，在降低了终端设备的耗电量的同时，又兼顾了用户体验。
示例性的，所述第一小区和所述第二小区为同制式通信网络中的小区。
示例性的，所述第一小区和所述第二小区为不同制式通信网络中的小区。
本发明实施例第二方面提供一种终端设备，所述终端设备当前驻留在第一小区，且所述终端设备当前还位于第二小区的覆盖范围内；所述终端设备包括：确定模块，用于在确定预设时长内无数据业务传输时，确定无线资源控制RRC连接是否释放；切换模块，用于在确定所述RRC连接未释放时，从所述第一小区切换到所述第二小区。
可选的，所述切换模块，包括：第一确定单元，用于确定所述终端设备当前是否处于灭屏状态；第一切换单元，具体用于在所述终端设备当前处于灭屏状态时，从所述第一小区切换到所述第二小区。
示例性的，所述第一切换单元，具体用于从所述第一小区切换到所述第二小区，并记录所述第一小区的标识。
可选的，所述切换模块，包括：第二确定单元，用于确定所述终端设备当前是否处于灭屏状态；记录单元，用于在所述终端设备当前处于亮屏状态时，记录所述第一小区的标识；第三确定单元，用于在所述终端设备从所述亮屏状态进入灭屏状态，确定所述终端设备当前驻留的小区的标识是否为记录的所述第一小区的标识；第二切换单元，用于在所述终端设备当前驻留的小区的标识为记录的所述第一小区的标识时，从所述第一小区切换到所述第二小区。
示例性的，所述第一小区和所述第二小区为同制式通信网络中的小区。
示例性的，所述第一小区和所述第二小区为不同制式通信网络中的小区。上述第二方面以及第二方面的各可能的实施方式所提供的终端设备，其有益效果可以参见上述第一方面和第一方面的各可能的实施方式所带来的有益效果，在此不再赘述。
本发明实施例第三方面提供一种终端设备，所述终端设备当前驻留在第一小区，且所述终端设备当前还位于第二小区的覆盖范围内；所述终端设备包括：处理器、存储器；其中，所述存储器用于存储计算机可执行程序代码，所述程序代码包括指令；当所述处理器执行所述指令时，所述指令使所述终端设备执行如上述第一方面和第一方面的各可能的实施方式所述的小区切换方法，其有益效果可以参见上述第一方面和第一方面的各可能的实施方式所带来的有益效果，在此不再赘述。
本发明实施例第四方面提供一种终端设备，包括用于执行以上第一方面 的方法的至少一个处理元件(或芯片)。
本发明实施例第五方面提供一种程序，该程序在被处理器执行时用于执行以上第一方面的方法。
本发明实施例第六方面提供一种程序产品，例如计算机可读存储介质，包括第五方面的程序。
本发明实施例提供的小区切换方法和终端设备，驻留在第一小区的终端设备在预设时长内无数据业务传输时，可以确定与第一小区所属的基站之间的RRC连接是否释放，进而在确定RRC连接未释放时，可以确定第一小区的配置出现问题，从而可以从配置存在问题的第一小区切换到第二小区，以避免终端设备因与第一小区的基站保持RRC连接导致终端设备耗电量增加的问题，降低了终端设备的耗电量，提高了终端设备的续航能力。
附图说明
图1为本发明实施例提供的一种小区切换方法的流程示意图；
图2为本发明实施例提供的另一种小区切换方法的流程示意图；
图3为本发明实施例提供的终端设备耗电量的示意图一；
图4为本发明实施例提供的终端设备耗电量的示意图二；
图5为本发明实施例提供的一种终端设备的结构示意图；
图6为本发明实施例提供的另一种终端设备的结构示意图；
图7为本发明实施例提供的又一种终端设备的结构示意图；
图8为本发明实施例提供的又一种终端设备的结构示意图；
图9为本发明实施例提供的终端设备为手机时的部分结构的框图。
具体实施方式
本发明实施例涉及的终端设备，可以是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，无线终端可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语 言和/或数据。例如，个人通信业务(PCS，Personal Communication Service)电话、无绳电话、会话发起协议(SIP)话机、无线本地环路(WLL，Wireless Local Loop)站、个人数字助理(PDA，Personal Digital Assistant)等设备。无线终端也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、接入点(Access Point)、远程终端(Remote Terminal)、接入终端(Access Terminal)、用户终端(User Terminal)、用户代理(User Agent)、用户设备(User Device)、或用户装备(User Equipment)。
现有技术，用户在4G通信网络中使用终端设备时，终端设备可以通过与小区所属的基站建立的无线资源控制(Radio Resource Control，简称：RRC)连接，与基站进行数据的传输。在用户停止使用终端设备后，此时，终端设备与基站之间无数据传输。因此，基站可以向终端设备发送RRC连接释放请求，以使终端设备可以释放该RRC连接，以避免终端设备因与基站保持RRC连接，增加终端设备的耗电量。
此时，若终端设备所在的小区的配置异常，例如：小区的配置参数中与RRC断链时间相关的参数异常，则在用户停止使用终端设备后，小区所属的基站也不会向终端设备发送RRC连接释放请求，使得基站与终端设备之间无数据传输时，基站与终端设备之间仍然会保持RRC连接。由于终端设备是通过自身的调制解调器与基站保持RRC连接，也就是说，基站与终端设备之间无数据传输时，终端设备的调制解调器与基站之间仍保持RRC连接，使得调制解调器需要持续工作，增加了终端设备的耗电量，导致终端设备的续航能力较差。
考虑到上述情况，本发明实施例提供了一种小区切换方法，使得终端设备在无数据传输后，若无法释放RRC连接，则可以切换到其他配置正常的小区，以避免终端设备与基站在无数据传输时，终端设备与基站之间仍然保持RRC连接的情况，进而可以降低终端设备的耗电量，提高了终端设备的续航能力。因此，本发明实施例提供的小区切换方法，旨在解决现有技术中终端设备因终端设备所在的小区配置异常，导致终端设备的耗电量增加、续航能力较差的技术问题。
需要说明的是，本发明实施例所提供的小区切换方法，包括不限于4G 通信网络下的终端设备的应用场景。本领域技术人员可以理解的是，只要涉及因终端设备所驻留的小区的配置异常，导致终端设备的耗电量增加的所有场景，均可以采用本发明实施例所提供的小区切换方法。下述申请文件均以4G通信网络为例进行说明。
下面以具体地实施例对本申请的技术方案进行详细说明。下面这几个具体的实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例不再赘述。
图1为本发明实施例提供的一种小区切换方法的流程示意图。在本实施例中，终端设备当前驻留在第一小区，且位于一个或多个第二小区的覆盖范围内。也就是说，终端设备可以与第一小区所属的基站通过建立RRC连接，传输数据业务。本实施例涉及的是终端设备在确定RRC连接未释放时，从第一小区切换到第二小区的具体过程。如图1所示，该方法可以包括：
S101、终端设备在确定预设时长内无数据业务传输时，确定RRC连接是否释放。
S102、在确定RRC连接未释放时，终端设备从第一小区切换到第二小区。
具体的，上述所说的预设时长具体可以根据配置正常的小区所属的基站发送RRC连接释放请求的方式确定。例如：若配置正常的小区所属的基站与终端设备在10秒内无数据业务传输时，基站向终端设备发送RRC连接释放请求，则上述预设时长可以为大于或等于10秒。若配置正常的小区所属的基站与终端设备在1分钟内无数据业务传输时，基站向终端设备发送RRC连接释放请求，则上述预设时长可以大于或等于1分钟。
这样，当用户停止使用终端设备后，终端设备可以通过在预设时长内是否接收到第一小区所属的基站发送的数据，以及，在预设时长内是否向第一小区所属的基站发送数据，确定预设时长内是否有数据业务传输。若终端设备在预设时长内既没有接收到第一小区所属的基站发送的数据，也没有向第一小区所属的基站发送数据，则终端设备可以确定预设时长内无数据业务传输。然后，终端设备可以通过终端设备在该预设时长内是否接收到第一小区所属的基站所发送的RRC连接释放请求，进一步地确定终端设备与第一小 区所属的基站之间的RRC连接是否释放。
当在预设时长内接收到第一小区所属的基站所发送的RRC连接释放请求时，说明终端设备与第一小区所属的基站之间正常执行了RRC连接释放流程，即第一小区的配置正常。因此，终端设备可以确定终端设备与第一小区所属的基站之间的RRC连接已释放。此时，终端设备不会出现“终端设备与第一小区所属的基站在无数据传输时，终端设备与第一小区所属的基站之间仍然保持RRC连接”的情况，进而不会因为这种情况导致终端设备的耗电量增加。所以，在这种情况下，终端设备可以继续驻留在第一小区，不用采取任何措施。
当在预设时长内未接收到第一小区所属的基站所发送的RRC连接释放请求时，说明第一小区的配置存在问题，使得终端设备与第一小区所属的基站之间在预设时长内仍未执行RRC连接释放流程，因此，终端设备可以确定终端设备与第一小区所属的基站之间的RRC连接未释放。此时，终端设备与第一小区所属的基站并无数据传输，但终端设备与第一小区所属的基站之间仍然保持RRC连接，即终端设备的调制解调器与第一小区所属的基站之间仍保持RRC连接，使得终端的调制解调器需要持续工作，增加了终端设备的耗电量，导致终端设备的续航能力较差。在这种情况下，终端设备可以从配置存在问题的第一小区切换到第二小区。若第二小区为配置正常的小区，则终端设备在切换到第二小区后，在与第二小区所属的基站无数据传输时，终端设备与第二小区所属的基站之间可以正常断开RRC连接，避免增加终端设备的耗电量，进而提高终端设备的续航能力。
其中，本实施例不限定上述终端设备从第一小区切换到第二小区的实现方式。可选的，若上述第二小区也为4G通信网络中的小区，即第一小区和第二小区为同制式通信网络中的小区。则上述终端设备可以在确定RRC连接未释放时，向第一小区所属的基站发送终端设备生成的伪测量报告。该伪测量报告用于向第一小区所属的基站指示终端设备当前驻留在第一小区时，信道条件较差。这样，第一小区所属的基站在接收到该测量报告之后，可以根据该测量报告确定终端设备当前满足小区切换条件，从而通过向终端设备发送小区切换指示的方式，指示终端设备从第一小区切换到第二小区，以使得终端设备可以根据该小区切换指示，从第一小区切换到第二小区。此时， 若终端设备当前处于一个或多个第二小区的覆盖范围内，则基站可以通过现有的小区切换流程，为终端设备选择一个合适的第二小区，并指示终端设备从第一小区切换到该第二小区。
可选的，若上述第二小区为4G通信网络对应的通信制式之前的通信制式所对应的通信网络中的小区，例如：3G通信网络、2G通信网络等。也就是说，第一小区和第二小区为不同制式通信网络中的小区。以3G通信网络为例，则上述终端设备还可以在确定RRC连接未释放时，向第一小区所属的基站发送终端设备不支持4G通信网络的网络能力变更请求，进而使得该4G通信网络和3G通信网络所在的通信系统，可以允许终端设备重新搜索3G通信网络，并驻留在该3G通信网络中的第二小区，以实现终端设备从第一小区切换到第二小区。
本发明实施例所提供的小区切换方法，驻留在第一小区的终端设备在预设时长内无数据业务传输时，可以确定与第一小区所属的基站之间的RRC连接是否释放，进而在确定RRC连接未释放时，可以确定第一小区的配置出现问题，从而可以从配置存在问题的第一小区切换到第二小区，以避免终端设备因与第一小区的基站保持RRC连接导致终端设备耗电量增加的问题，降低了终端设备的耗电量，提高了终端设备的续航能力。
进一步地，在上述实施例的基础上，上述终端设备在从所述第一小区切换到所述第二小区之前，还可以确定终端设备当前是否处于灭屏状态。其中，终端设备如何确定终端设备当前是否处于灭屏状态可以参见现有技术。
第一种情况：终端设备当前处于灭屏状态。
具体地，若终端设备在确定RRC连接未释放时，终端设备当前处于灭屏状态，说明用户当前并未使用终端设备。此时，若终端设备执行小区切换流程，并不会对用户产生影响。因此，终端设备可以直接从配置存在问题的第一小区切换到第二小区。在降低了终端设备的耗电量的同时，又兼顾了用户体验。
进一步地，上述终端设备在执行完小区切换流程时，还可以记录第一小区的标识，从而使得终端设备再次移动至第一小区和第二小区的覆盖范围时，终端设备可以通过所记录的第一小区的标识，确定第一小区的配置存在问题，进而可以避免接入第一小区，以避免配置存在问题的第一小区影响终 端设备的耗电量，进一步降低了终端设备的耗电量，进一步提高了终端设备的续航能力。可选的，在本发明实施例的另一实现方式中，上述终端设备所记录第一小区的标识可以对应一预设时长，在记录该第一小区的标识的累计时长达到该预设时长后，终端设备可以删除该第一小区的标识，以解除不能驻留在第一小区的限制。通过这种方式，可以使得终端设备可以在第一小区的配置恢复正常后，在移动至第一小区后，仍然可以接入到第一小区，保证了终端设备的正常通信。其中，上述预设时长具体可以根据第一小区配置异常的恢复时间确定。
第二种情况：终端设备当前处于亮屏状态。
具体地，若终端设备在确定RRC连接未释放时，终端设备当前处于亮屏状态，说明用户当前仍在使用终端设备。此时，若终端设备执行小区切换流程，会给用户造成网络不稳定的体验。因此，终端设备可以在终端设备当前处于亮屏状态时，先记录下第一小区的标识，进而在终端设备从亮屏状态进入灭屏状态后，将终端设备当前驻留的小区的标识与所记录的第一小区的标识进行比较，以确定终端设备在终端设备当前驻留的小区的标识是否为记录的第一小区的标识。其中，这里所说的第一小区的标识可以为任一能够唯一标识该第一小区的标识，例如：第一小区的ID等。
当终端设备当前驻留的小区的标识与所记录的第一小区的标识相同时，说明终端设备当然仍然驻留在配置存在问题的第一小区。因此，终端设备可以执行小区切换流程，以从配置存在问题的第一小区切换到第二小区。此时，终端设备处于灭屏状态，因此，终端设备执行小区切换流程，不会给用户造成网络不稳定的体验，在降低了终端设备的耗电量的同时，又兼顾了用户体验。
当终端设备当前驻留的小区的标识与所记录的第一小区的标识不相同时，说明终端设备当然没有驻留在配置存在问题的第一小区。因此，终端设备可以不用执行小区切换流程。此时，终端设备可以通过上述实施例的方式确定当前所驻留的小区是否存在配置异常的问题，其实现方式与实现原理可以参见上述实施例，对此不再赘述。
进一步地，由于上述终端设备在终端设备当前处于亮屏状态时，记录了第一小区的标识。因此，当终端设备再次位于第一小区和第二小区的覆盖范 围时，终端设备可以通过所记录的第一小区的标识，确定第一小区的配置存在问题，进而可以避免接入第一小区，以避免配置存在问题的第一小区影响终端设备的耗电量，进一步降低了终端设备的耗电量，进一步提高了终端设备的续航能力。可选的，在本发明实施例的另一实现方式中，上述终端设备所记录第一小区的标识可以对应一预设时长，在记录该第一小区的标识的累计时长达到该预设时长后，终端设备可以删除该第一小区的标识，以解除不能驻留在第一小区的限制。通过这种方式，可以使得终端设备可以在第一小区的配置恢复正常后，在移动至第一小区后，仍然可以接入到第一小区，保证了终端设备的正常通信。其中，上述预设时长具体可以根据第一小区配置异常的恢复时间确定。
本发明实施例所提供的小区切换方法，驻留在第一小区的终端设备在预设时长内无数据业务传输时，可以确定与第一小区所属的基站之间的RRC连接是否释放，进而在确定RRC连接未释放时，可以确定第一小区的配置出现问题，从而可以从配置存在问题的第一小区切换到第二小区，以避免终端设备因与第一小区的基站保持RRC连接导致终端设备耗电量增加的问题，降低了终端设备的耗电量，提高了终端设备的续航能力。
下面以一个具体的示例来对本发明实施例所提供的小区切换方法进行详细的说明。在本示例中，可以在终端设备中设置定时器来实现上述预设时长，即定时器对应的时长为上述所说的预设时长。图2为本发明实施例提供的另一种小区切换方法的流程示意图。如图2所示，该方法包括：
S201、终端设备确定是否驻留到第一小区。若是，则执行S202，若否，则结束。
具体的，上述终端设备可以通过是否接收到第一小区所属的基站发送的用于指示终端设备驻留成功的响应消息，确定终端设备是否驻留到第一小区。当终端设备接收到该响应消息时，说明终端设备驻留到第一小区，则执行S202。当终端设备未接收到该响应消息时，说明终端设备未驻留到第一小区，则结束流程。
S202、终端设备确定是否建立RRC连接。若是，则执行S203，若否，则继续执行S202。
具体的，终端设备在确定驻留到第一小区之后，可以进一步地确定终端 设备与第一小区所属的基站之间是否建立RRC连接。
具体实现时，终端设备可以通过是否接收到用于指示RRC连接建立成功的响应消息，或者，用于指示RRC连接重配成功的响应消息，来确定终端设备与第一小区所属的基站之间是否建立RRC连接。当终端设备接收到上述任一响应消息时，说明终端设备与第一小区所属的基站之间建立了RRC连接，则执行S203。当终端设备未接收到上述任一响应消息时，说明终端设备与第一小区所属的基站之间未建立RRC连接，则继续执行S202。
S203、终端设备启动定时器。
具体的，终端设备在确定与第一小区所属的基站建立RRC连接之后，终端设备可以启动定时器，以通过定时器来监控第一小区的配置是否异常。其中，该定时器的时长为上述实施例所说的预设时长。
S204、终端设备在定时器超时前，确定是否有数据业务传输。若是，则执行S203，若否，则执行S205。
具体的，终端设备在定时器超时前，可以通过是否接收到第一小区所属的基站发送的数据，以及，是否向第一小区所属的基站发送数据，实时的确定是否有数据业务传输。
若终端设备在定时器超时前一直无数据业务传输，则终端设备可以在定时器超时时，执行S205。若终端设备在定时器超时前确定有数据业务传输，则终端设备可以在数据业务传输结束后，返回执行S203，以使得终端设备可以重新开启定时器。从而使得终端设备可以基于重启后的定时器，来准备的判断在预设时长内是否无数据业务传输。
S205、终端设备在定时器超时时，确定RRC连接是否释放。若是，则结束，若否，则执行S206。
具体的，若终端设备在定时器超时前一直无数据业务传输，则终端设备可以在定时器超时时，通过终端设备在定时器超时前是否接收到第一小区所属的基站所发送的RRC连接释放请求，确定终端设备与第一小区所属的基站之间的RRC连接是否释放。
当确定RRC连接未释放时，说明第一小区的配置存在问题，使得终端设备与第一小区所属的基站之间在定时器超时时(即预设时长内)仍未执行RRC连接释放流程。此时，终端设备与第一小区所属的基站并无数据传输， 但终端设备与第一小区所属的基站之间仍然保持RRC连接，即终端设备的调制解调器与第一小区所属的基站之间仍保持RRC连接，使得终端的调制解调器需要持续工作，增加了终端设备的耗电量，导致终端设备的续航能力较差。因此，终端设备需要执行小区切换，以避免继续驻留在配置存在问题的第一小区，影响终端设备的耗电量。
S206、终端设备确定终端设备当前是否处于灭屏状态。若是，则执行S207，若否，则执行S208。
S207、终端设备从第一小区切换到第二小区，并记录第一小区的标识。
具体的，若终端设备在确定RRC连接未释放时，终端设备当前处于灭屏状态，说明用户当前并未使用终端设备。此时，若终端设备执行小区切换流程，并不会对用户产生影响。因此，终端设备可以直接从配置存在问题的第一小区切换到第二小区。此时，若第二小区为配置正常的小区，则终端设备在切换到第二小区后，在与第二小区所属的基站无数据传输时，终端设备与第二小区所属的基站之间可以正常断开RRC连接。在降低了终端设备的耗电量的同时，又兼顾了用户体验。
进一步地，当终端设备再次移动至第一小区和第二小区的覆盖范围时，终端设备可以通过所记录的第一小区的标识，确定第一小区的配置存在问题，进而可以避免接入第一小区，以避免配置存在问题的第一小区影响终端设备的耗电量，进一步降低了终端设备的耗电量，进一步提高了终端设备的续航能力。
S208、终端设备记录第一小区的标识。
具体的，若终端设备在确定RRC连接未释放时，终端设备当前处于亮屏状态，说明用户当前仍在使用终端设备。此时，若终端设备执行小区切换流程，会给用户造成网络不稳定的体验。因此，终端设备可以在终端设备当前处于亮屏状态时，先记录下配置存在问题的第一小区的标识。
S209、终端设备确定终端设备是否从亮屏状态进入灭屏状态。若是，则执行S210，若否，则继续执行S209。
具体的，终端设备可以实时的或周期性的检测终端设备屏幕的当前状态，以确定端设备是否从亮屏状态进入灭屏状态。可选的，终端设备还可以通过是否接收到用户输入的休眠指令，确定终端设备是否从亮屏状态进入灭 屏状态。
S210、终端设备确定终端设备当前驻留的小区的标识是否为记录的第一小区的标识。若是，则执行S211，若否，则执行S201。
具体的，终端设备在确定终端设备从亮屏状态进入灭屏状态后，将终端设备当前驻留的小区的标识与所记录的第一小区的标识进行比较，以确定终端设备在终端设备当前驻留的小区的标识是否为记录的第一小区的标识。若是，说明终端设备当前仍然驻留在配置存在问题的第一小区，则终端设备可以执行小区切换流程，即S211。若否，则说明终端设备已经移动至其他小区，则终端设备可以重新执行该流程，以判断当前所驻留的小区的配置是否异常，避免终端设备当前所驻留的小区造成终端设备的耗电量增加。
S211、终端设备从第一小区切换到第二小区。
具体的，终端设备在从亮屏状态进入灭屏状态后，确定终端设备当前驻留的小区仍为第一小区时，执行小区切换流程，以从第一小区切换到第二小区。由于终端设备当前处于灭屏状态，说明用户当前并未使用终端设备。因此，终端设备执行小区切换流程，并不会对用户产生影响，在降低了终端设备的耗电量的同时，又兼顾了用户体验。
图3为本发明实施例提供的终端设备耗电量的示意图一。图4为本发明实施例提供的终端设备耗电量的示意图二。如图3所示，终端设备在与第一小区所属的基站无数据传输时，因保持RRC连接每小时消耗的电量约150至160毫安。如图4所示，终端设备在从配置异常的第一小区切换到配置正常的第二小区后，终端设备在与第二小区所属的基站无数据传输断开RRC连接后，每小时所消耗的电量约为5至10毫安。即通过执行本发明实施例所提供的小区切换方法，可以使终端设备在当前所驻留的小区配置存在异常时，切换至其他配置正常的小区后，将耗电量控制在每小时10毫安以内，比驻留在配置异常的小区的耗电量每小时节省了100毫安以上，节省耗电量效果显著。
本发明实施例所提供的小区切换方法，驻留在第一小区的终端设备在预设时长内无数据业务传输时，可以确定与第一小区所属的基站之间的RRC连接是否释放，进而在确定RRC连接未释放时，可以确定第一小区的配置出现问题，从而可以从配置存在问题的第一小区切换到第二小区，以避免终 端设备因与第一小区的基站保持RRC连接导致终端设备耗电量增加的问题，降低了终端设备的耗电量，提高了终端设备的续航能力。
需要说明的是，上述示例虽然以第一小区配置异常为例，对本发明实施例所提供的小区切换方法进行了说明。但是本领域技术人员可以理解的是，本发明实施例提供的小区切换方法还适用于处于如下配置正常的第一小区的终端设备，这些配置正常的第一小区在终端设备无数据传输时，也不向终端发送RRC连接释放请求，使得终端设备的耗电量增加、续航能力差，同时终端设备无数据传输时仍与第一小区所属的基站保持RRC连接，使得网络资源利用率较低。因此，通过本发明实施例所提供的方法，将终端设备切换至第二小区后，不仅可以降低终端设备的耗电量，同时切换至第二小区的终端设备释放了与第一小区所属的基站之间的RRC连接所占用的无线资源，以使得其他终端设备可以使用该无线资源，提高了第一小区所属的基站的网络资源利用率等，其实现方式与实现原理可以参见上述实施例，对此不再赘述。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
图5为本发明实施例提供的一种终端设备的结构示意图。在本实施例中，该终端设备当前驻留在第一小区，且终端设备当前还位于第二小区的覆盖范围内。参见图5，该终端设备可以包括：确定模块11和切换模块12；其中，
确定模块11，用于在确定预设时长内无数据业务传输时，确定无线资源控制RRC连接是否释放；
切换模块12，用于在确定RRC连接未释放时，从第一小区切换到第二小区。
上述终端设备可用于执行上述方法实施例，具体实现方式和技术效果类似，这里不再赘述。
图6为本发明实施例提供的另一种终端设备的结构示意图。如图6，在 本发明实施例的一种实现方式中，上述终端设备的切换模块可以包括：
第一确定单元121，用于确定终端设备当前是否处于灭屏状态；
第一切换单元122，具体用于在终端设备当前处于灭屏状态时，从第一小区切换到第二小区。可选的，第一切换单元122，可以具体用于从第一小区切换到第二小区，并记录第一小区的标识。
上述终端设备可用于执行上述方法实施例，具体实现方式和技术效果类似，这里不再赘述。
图7为本发明实施例提供的又一种终端设备的结构示意图。如图7，在本发明实施例的一种实现方式中，上述终端设备的切换模块可以包括：
第二确定单元123，用于确定终端设备当前是否处于灭屏状态；
记录单元124，用于在终端设备当前处于亮屏状态时，记录第一小区的标识；
第三确定单元125，用于在终端设备从亮屏状态进入灭屏状态，确定终端设备当前驻留的小区的标识是否为记录的第一小区的标识；
第二切换单元126，用于在终端设备当前驻留的小区的标识为记录的第一小区的标识时，从第一小区切换到第二小区。
上述终端设备可用于执行上述方法实施例，具体实现方式和技术效果类似，这里不再赘述。
图8为本发明实施例提供的又一种终端设备的结构示意图。如图8所示，该终端设备包括：处理器31、存储器34，可选地，该终端设备还可以包括：发送器32、接收器33、天线35。
存储器34、发送器32和接收器33和处理器31可以通过总线进行连接。当然，在实际运用中，存储器34、发送器32和接收器33和处理器31之间可以不是总线结构，而可以是其它结构，例如星型结构，本申请不作具体限定。
可选地，处理器31具体可以是通用的中央处理器或ASIC，可以是一个或多个用于控制程序执行的集成电路，可以是使用FPGA开发的硬件电路，可以是基带处理器。
可选地，处理器31可以包括至少一个处理核心。
可选地，存储器34可以包括ROM、RAM和磁盘存储器中的一种或多 种。存储器34用于存储处理器31运行时所需的数据和/或指令。存储器34的数量可以为一个或多个。
上述处理器31，用于执行存储器34的指令，当处理器31执行存储器34存储的指令时，使得处理器31执行上述终端设备所执行的小区切换方法，具体地：
处理器31，用于在确定预设时长内无数据业务传输时，确定无线资源控制RRC连接是否释放；并在确定所述RRC连接未释放时，从所述第一小区切换到所述第二小区。
可选的，在本发明实施例的一种实现方式中，处理器31，可以用于确定所述终端设备当前是否处于灭屏状态，进而在所述终端设备当前处于灭屏状态时，从所述第一小区切换到所述第二小区。进一步地，处理器31可以用于从所述第一小区切换到所述第二小区的同时，记录所述第一小区的标识。
可选的，在本发明实施例的一种实现方式中，处理器31，可以所述终端设备确定所述终端设备当前是否处于灭屏状态；在所述终端设备当前处于亮屏状态时，记录所述第一小区的标识；并在所述终端设备从所述亮屏状态进入灭屏状态，确定所述终端设备当前驻留的小区的标识是否为记录的所述第一小区的标识；在所述终端设备当前驻留的小区的标识为记录的所述第一小区的标识时，从所述第一小区切换到所述第二小区。
上述终端设备可用于执行上述方法实施例，具体实现方式和技术效果类似，这里不再赘述。
正如上述实施例所述，本发明实施例涉及的终端设备可以是手机、平板电脑等无线终端，因此，以终端设备为手机为例：图9为本发明实施例提供的终端设备为手机时的部分结构的框图。参考图9，该手机可以包括：射频(Radio Frequency，RF)电路1110、存储器1120、输入单元1130、显示单元1140、传感器1150、音频电路1160、无线保真(wireless fidelity，WiFi)模块1170、处理器1180、以及电源1190等部件。本领域技术人员可以理解，图9中示出的手机结构并不构成对手机的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
下面结合图9对手机的各个构成部件进行具体的介绍：
RF电路1110可用于收发信息或通话过程中，信号的接收和发送，特别 地，将基站的下行信息接收后，给处理器1180处理；另外，将上行的数据发送给基站。通常，RF电路包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(Low Noise Amplifier，LNA)、双工器等。此外，RF电路1110还可以通过无线通信与网络和其他设备通信。上述无线通信可以使用任一通信标准或协议，包括但不限于全球移动通讯系统(Global System of Mobile communication，GSM)、通用分组无线服务(General Packet Radio Service，GPRS)、码分多址(Code Division Multiple Access，CDMA)、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)、长期演进(Long Term Evolution,LTE))、电子邮件、短消息服务(Short Messaging Service，SMS)等。
存储器1120可用于存储软件程序以及模块，处理器1180通过运行存储在存储器1120的软件程序以及模块，从而执行手机的各种功能应用以及数据处理。存储器1120可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器1120可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
输入单元1130可用于接收输入的数字或字符信息，以及产生与手机的用户设置以及功能控制有关的键信号输入。具体地，输入单元1130可包括触控面板1131以及其他输入设备1132。触控面板1131，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板1131上或在触控面板1131附近的操作)，并根据预先设定的程式驱动相应的连接装置。可选的，触控面板1131可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器1180，并能接收处理器1180发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板1131。除了触控面板1131，输入单元1130还可以包括其他输入设备1132。具体地，其他输入设备1132可以包 括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
显示单元1140可用于显示由用户输入的信息或提供给用户的信息以及手机的各种菜单。显示单元1140可包括显示面板1141，可选的，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板1141。进一步的，触控面板1131可覆盖于显示面板1141之上，当触控面板1131检测到在其上或附近的触摸操作后，传送给处理器1180以确定触摸事件的类型，随后处理器1180根据触摸事件的类型在显示面板1141上提供相应的视觉输出。虽然在图9中，触控面板1131与显示面板1141是作为两个独立的部件来实现手机的输入和输入功能，但是在某些实施例中，可以将触控面板1131与显示面板1141集成而实现手机的输入和输出功能。
手机还可包括至少一种传感器1150，比如光传感器、运动传感器以及其他传感器。具体地，光传感器可包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板1141的亮度，光传感器可在手机移动到耳边时，关闭显示面板1141和/或背光。作为运动传感器的一种，加速度传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别手机姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；至于手机还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
音频电路1160、扬声器1161以及传声器1162可提供用户与手机之间的音频接口。音频电路1160可将接收到的音频数据转换后的电信号，传输到扬声器1161，由扬声器1161转换为声音信号输出；另一方面，传声器1162将收集的声音信号转换为电信号，由音频电路1160接收后转换为音频数据，再将音频数据输出处理器1180处理后，经RF电路1110以发送给比如另一手机，或者将音频数据输出至存储器1120以便进一步处理。
WiFi属于短距离无线传输技术，手机通过WiFi模块1170可以帮助用户收发电子邮件、浏览网页和访问流式媒体等，它为用户提供了无线的宽带互联网访问。虽然图9示出了WiFi模块1170，但是可以理解的是，其并不属 于手机的必须构成，完全可以根据需要在不改变发明的本质的范围内而省略。
处理器1180是手机的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在存储器1120内的软件程序和/或模块，以及调用存储在存储器1120内的数据，执行手机的各种功能和处理数据，从而对手机进行整体监控。可选的，处理器1180可包括一个或多个处理单元；示例性的，处理器1180可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器1180中。
手机还包括给各个部件供电的电源1190(比如电池)，可选的，电源可以通过电源管理系统与处理器1180逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
手机还可以包括摄像头1200，该摄像头可以为前置摄像头，也可以为后置摄像头。尽管未示出，手机还可以包括蓝牙模块、GPS模块等，在此不再赘述。
在本发明实施例中，该手机所包括的处理器1180可以用于执行上述小区切换方法，具体地：
在手机当前驻留在第一小区，且手机当前还位于第二小区的覆盖范围内时，手机所包括的处理器1180可以在通过调制解调处理器确定预设时长内无数据业务传输时，通过调制解调处理器确定RRC连接是否释放。具体实现时，处理器1180可以通过调制解调处理器在预设时长内是否接收到RF电路1110发送的数据包，或者在预设时长内是否通过RF电路1110发送数据包，确定预设时长内是否无数据业务传输。处理器1180可以通过调制解调处理器在预设时长内是否收到第一小区所属的基站发送的RRC连接释放请求，确定RRC连接是否释放。
手机所包括的处理器1180在确定RRC连接未释放时，通过RF电路1110执行从第一小区切换到第二小区的操作。
可选的，在本发明实施例的一种实现方式中，手机所包括的处理器1180可以通过应用处理器确定所述手机当前是否处于灭屏状态，进而在手机当前处于灭屏状态时，通过RF电路1110执行从第一小区切换到第二小区的操作。具体实现时，处理器1180可以通过应用处理器是否接收到手机的操作 系统所广播的手机灭屏事件，来确定手机当前是否处于灭屏状态。进一步地，手机所包括的处理器1180可以用于从所述第一小区切换到所述第二小区的同时，记录所述第一小区的标识。
可选的，在本发明实施例的一种实现方式中，手机所包括的处理器1180可以通过应用处理器确定所述手机当前是否处于灭屏状态；在所述手机当前处于亮屏状态时，记录所述第一小区的标识；并在通过应用处理器确定所述手机从所述亮屏状态进入灭屏状态，确定所述手机当前驻留的小区的标识是否为记录的所述第一小区的标识；在所述手机当前驻留的小区的标识为记录的所述第一小区的标识时，通过RF电路1110执行从第一小区切换到第二小区的操作。
上述手机执行上述方法实施例时的技术效果可以参见上述实施例，这里不再赘述。

Claims (13)

  1. 一种小区切换方法，其特征在于，终端设备当前驻留在第一小区，且所述终端设备当前还位于第二小区的覆盖范围内；所述方法包括：
    所述终端设备在确定预设时长内无数据业务传输时，确定无线资源控制RRC连接是否释放；
    在确定所述RRC连接未释放时，所述终端设备从所述第一小区切换到所述第二小区。
  2. 根据权利要求1所述的方法，其特征在于，所述终端设备从所述第一小区切换到所述第二小区，包括：
    所述终端设备确定所述终端设备当前是否处于灭屏状态；
    所述终端设备在所述终端设备当前处于灭屏状态时，从所述第一小区切换到所述第二小区。
  3. 根据权利要求2所述的方法，其特征在于，所述终端设备从所述第一小区切换到所述第二小区，包括：
    所述终端设备从所述第一小区切换到所述第二小区，并记录所述第一小区的标识。
  4. 根据权利要求1所述的方法，其特征在于，所述终端设备从所述第一小区切换到所述第二小区，包括：
    所述终端设备确定所述终端设备当前是否处于灭屏状态；
    所述终端设备在所述终端设备当前处于亮屏状态时，记录所述第一小区的标识；
    所述终端设备在所述终端设备从所述亮屏状态进入灭屏状态，确定所述终端设备当前驻留的小区的标识是否为记录的所述第一小区的标识；
    所述终端设备在所述终端设备当前驻留的小区的标识为记录的所述第一小区的标识时，从所述第一小区切换到所述第二小区。
  5. 根据权利要求1所述的方法，其特征在于，所述第一小区和所述第二小区为同制式通信网络中的小区。
  6. 根据权利要求1所述的方法，其特征在于，所述第一小区和所述第二小区为不同制式通信网络中的小区。
  7. 一种终端设备，其特征在于，所述终端设备当前驻留在第一小区， 且所述终端设备当前还位于第二小区的覆盖范围内；所述终端设备包括：
    确定模块，用于在确定预设时长内无数据业务传输时，确定无线资源控制RRC连接是否释放；
    切换模块，用于在确定所述RRC连接未释放时，从所述第一小区切换到所述第二小区。
  8. 根据权利要求7所述的终端设备，其特征在于，所述切换模块，包括：
    第一确定单元，用于确定所述终端设备当前是否处于灭屏状态；
    第一切换单元，具体用于在所述终端设备当前处于灭屏状态时，从所述第一小区切换到所述第二小区。
  9. 根据权利要求8所述的终端设备，其特征在于，所述第一切换单元，具体用于从所述第一小区切换到所述第二小区，并记录所述第一小区的标识。
  10. 根据权利要求7所述的终端设备，其特征在于，所述切换模块，包括：
    第二确定单元，用于确定所述终端设备当前是否处于灭屏状态；
    记录单元，用于在所述终端设备当前处于亮屏状态时，记录所述第一小区的标识；
    第三确定单元，用于在所述终端设备从所述亮屏状态进入灭屏状态，确定所述终端设备当前驻留的小区的标识是否为记录的所述第一小区的标识；
    第二切换单元，用于在所述终端设备当前驻留的小区的标识为记录的所述第一小区的标识时，从所述第一小区切换到所述第二小区。
  11. 根据权利要求7所述的终端设备，其特征在于，所述第一小区和所述第二小区为同制式通信网络中的小区。
  12. 根据权利要求7所述的终端设备，其特征在于，所述第一小区和所述第二小区为不同制式通信网络中的小区。
  13. 一种终端设备，其特征在于，所述终端设备当前驻留在第一小区，且所述终端设备当前还位于第二小区的覆盖范围内；所述终端设备包括：处理器、存储器；
    其中，所述存储器用于存储计算机可执行程序代码，所述程序代码包括 指令；当所述处理器执行所述指令时，所述指令使所述终端设备执行如权利要求1-6任一项所述的小区切换方法。
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US20190373552A1 (en) 2019-12-05
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US10728854B2 (en) 2020-07-28
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