CN111885748B - Method for releasing RRC connection, terminal equipment and network equipment - Google Patents
Method for releasing RRC connection, terminal equipment and network equipment Download PDFInfo
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- CN111885748B CN111885748B CN202010719377.8A CN202010719377A CN111885748B CN 111885748 B CN111885748 B CN 111885748B CN 202010719377 A CN202010719377 A CN 202010719377A CN 111885748 B CN111885748 B CN 111885748B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
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- 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
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/38—Connection release triggered by timers
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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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a method for releasing RRC connection, terminal equipment and network equipment, which are used for releasing the RRC connection, saving standby power consumption and prolonging the standby time of UE. The method comprises the following steps: starting a first timer under the condition that the terminal equipment is in a Radio Resource Control (RRC) connection state and an Internet Protocol (IP) link is determined to be normal; the terminal equipment records the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time that the first timer is not overtime; the terminal equipment determines a first difference value between the second time and the first time; and under the condition that the first difference is larger than a first preset threshold value, the terminal equipment releases the RRC connection and sends a first signaling to network equipment, wherein the first signaling is used for the network equipment to release the RRC connection.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method, a terminal device, and a network device for releasing an RRC connection.
Background
A base station maintains a connection state of Radio Resource Control (RRC) in Long Term Evolution (LTE) or 5G in a unified manner, and after the RRC connection of a data type is successfully established, the base station generally stores a connection state of about 10S and then notifies User Equipment (UE) of RRC release information. Generally, when the amount of data is small, the UE can complete the data transmission soon, and the time for use may be about 300ms-500ms, so that the RRC connection state time of 10S is not needed for the UE about 9S in the current situation, but the communication modem (modem) module must be kept awake during this period, which greatly increases the power consumption of the UE.
Disclosure of Invention
The embodiment of the invention provides a method for releasing RRC connection, terminal equipment and network equipment, which are used for effectively judging whether the transmission of UE data is finished or not by combining IP data transmission and a long DRX cycle mechanism in a connected state, if the transmission is finished, the UE locally and forcibly releases the RRC connection, and the network equipment rapidly and normally releases the RRC connection by initiating signaling type interaction and performing a synchronous RRC state with the network equipment, so that the standby power consumption can be greatly saved, and the standby time of the UE can be prolonged.
In view of the above, a first aspect of the present invention provides a method for releasing an RRC connection, which may include:
starting a first timer under the condition that the terminal equipment is in a Radio Resource Control (RRC) connection state and an Internet Protocol (IP) link is determined to be normal;
the terminal equipment records the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time period that the first timer is not overtime;
the terminal equipment determines a first difference value between the second time and the first time;
and under the condition that the first difference is larger than a first preset threshold value, the terminal equipment releases the RRC connection and sends a first signaling to network equipment, wherein the first signaling is used for the network equipment to release the RRC connection.
Optionally, in some embodiments of the present invention, the first preset threshold is smaller than or equal to the first duration of the first timer.
Optionally, in some embodiments of the present invention, the method further includes:
when the first difference is smaller than or equal to the first preset threshold, the terminal device starts a second timer, and a second time length of the second timer is obtained by subtracting the first difference from the first time length;
the terminal equipment records the third time of the last data receiving and sending and the fourth time of the second timer overtime in the period that the second timer is not overtime;
the terminal device determines a second difference value between the fourth time and the third time;
and under the condition that the second difference is larger than a second preset threshold value, the terminal equipment releases the RRC connection and sends a second signaling to the network equipment, wherein the second signaling is used for releasing the RRC connection by the network equipment.
Optionally, in some embodiments of the present invention, the determining that the IP link is normal may include: and under the condition that the terminal equipment analyzes response data in the packet header of the IP data, determining that the IP link is normal.
Optionally, in some embodiments of the present invention, the response data includes: transmission control protocol PUSH and acknowledgement data, or response data regarding PING.
Optionally, in some embodiments of the present invention, the first difference is greater than the discontinuous short DRX cycle.
A second aspect of the present invention provides a method for releasing an RRC connection, which may include:
the network equipment receives a first signaling sent by the terminal equipment;
the network device releases the RRC connection according to the first signaling.
A third aspect of the present invention provides a terminal device, which may include:
the processing module is used for starting a first timer under the condition that the terminal equipment is in a Radio Resource Control (RRC) connection state and an Internet Protocol (IP) link is determined to be normal; recording the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time period that the first timer is not overtime; determining a first difference between the second time and the first time; releasing the RRC connection when the first difference is larger than a first preset threshold value;
a transceiver module, configured to send a first signaling to a network device, where the first signaling is used for the network device to release the RRC connection.
Optionally, in some embodiments of the present invention, the first preset threshold is less than or equal to the first duration of the first timer.
Alternatively, in some embodiments of the present invention,
the processing module is further configured to start a second timer by the terminal device when the first difference is smaller than or equal to the first preset threshold, where a second duration of the second timer is obtained by subtracting the first difference from the first duration; recording the third time of the last data transceiving and the fourth time of the second timer overtime in the non-overtime period of the second timer; determining a second difference between the fourth time and the third time; releasing the RRC connection if the second difference is greater than a second preset threshold,
the transceiver module is further configured to send a second signaling to the network device, where the second signaling is used for the network device to release the RRC connection.
Alternatively, in some embodiments of the present invention,
and the processing module is specifically configured to determine that the IP link is normal when the terminal device parses response data from the packet header of the IP data.
Optionally, in some embodiments of the present invention, the response data includes: the transmission control protocol PUSH and acknowledgement data, or response data regarding PING.
Optionally, in some embodiments of the present invention, the first difference is greater than the discontinuous short DRX cycle.
A fourth aspect of the present invention provides a network device, which may include:
the receiving and sending module is used for receiving a first signaling sent by the terminal equipment;
and the processing module is used for releasing the RRC connection according to the first signaling.
A fifth aspect of the present invention provides a terminal device, which may include:
a memory storing executable program code;
a processor coupled with the memory;
a transceiver connected to the processor;
the transceiver, the processor, and the executable program code stored in the memory are invoked for performing the method as described in the first aspect of the present invention and any one of the optional implementations of the first aspect.
A sixth aspect of the present invention provides a network device, which may include:
a memory storing executable program code;
a transceiver coupled with the memory;
the transceiver calls the executable program code stored in the memory for performing the method as described in the second aspect of the invention and any of the alternative implementations of the second aspect.
A seventh aspect of embodiments of the present invention provides a readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a method as described in any one of the first aspect and the first optional implementation manner of the present invention, or implements a method as described in any one of the second aspect and the second optional implementation manner of the present invention.
An eighth aspect of the embodiments of the present invention discloses a computer program product, which, when running on a computer, causes the computer to execute any one of the methods disclosed in the first aspect of the embodiments of the present invention, or to implement any one of the methods disclosed in the second aspect of the present invention.
A ninth aspect of the present invention discloses an application publishing platform, where the application publishing platform is configured to publish a computer program product, and when the computer program product runs on a computer, the computer is enabled to execute any one of the methods disclosed in the first aspect of the present invention, or execute any one of the methods disclosed in the second aspect of the present invention.
According to the technical scheme, the embodiment of the invention has the following advantages:
in the embodiment of the invention, a first timer is started under the condition that the terminal equipment is in a Radio Resource Control (RRC) connection state and an Internet Protocol (IP) link is determined to be normal; the terminal equipment records the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time that the first timer is not overtime; the terminal equipment determines a first difference value between the second time and the first time; and under the condition that the first difference is larger than a first preset threshold value, the terminal equipment releases the RRC connection and sends a first signaling to network equipment, wherein the first signaling is used for the network equipment to release the RRC connection. By combining IP data transmission and a long DRX cycle mechanism in a connected state, whether the UE data transmission is completed or not is effectively judged, if the UE data transmission is completed, the UE locally and forcibly releases RRC connection, and signaling type interaction and network equipment are initiated to perform a synchronous RRC state, so that the RRC connection is quickly and normally released by the network equipment, the standby power consumption can be greatly saved, and the standby time of the UE is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the embodiments and the drawings used in the description of the prior art, and obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to the drawings.
Fig. 1 is a diagram of a communication system architecture to which an embodiment of the present invention is applied;
fig. 2 is a diagram of an embodiment of a method for releasing RRC connection according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a method for releasing RRC connection according to an embodiment of the present invention;
FIG. 4 is a diagram of an embodiment of a terminal device in an embodiment of the present invention;
FIG. 5 is a diagram of an embodiment of a network device in an embodiment of the present invention;
fig. 6 is a schematic diagram of another embodiment of the terminal device in the embodiment of the present invention;
fig. 7 is a schematic diagram of another embodiment of a network device in the embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a method for releasing RRC connection, terminal equipment and network equipment, which are used for effectively judging whether the transmission of UE data is finished or not by combining IP data transmission and a long DRX cycle mechanism in a connected state, if the transmission is finished, the UE locally and forcibly releases the RRC connection, and the network equipment rapidly and normally releases the RRC connection by initiating signaling type interaction and carrying out a synchronous RRC state with the network equipment, so that the standby power consumption can be greatly saved, and the standby time of the UE is prolonged.
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The embodiments based on the present invention should fall into the protection scope of the present invention.
Fig. 1 is a diagram illustrating an architecture of a communication system to which an embodiment of the present invention is applied. The communication system may include a network device and a terminal device. The network device may further include an access network device and a core network device. 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 (mobile communication system) (new radio, NR) system, or an evolved base station (evolved Node B) in an authorized assisted access long-term evolution (LAA-LTE) system, which may be an eNB or an e-NodeB) macro base station, a micro base station (also referred to as a "small base station"), a pico base station, an Access Point (AP), a Transmission Point (TP), or a new-generation base station (new generation Node B, nodeB).
The terminal device may be referred to as a User Equipment (UE), a Mobile Station (MS), a mobile terminal device (mobile terminal), an intelligent terminal device, and the like, and the terminal device may communicate with one or more core networks through a Radio Access Network (RAN). For example, the terminal equipment may be a mobile phone (or so-called "cellular" phone), a computer with mobile terminal equipment, etc., and the terminal equipment may also be a portable, pocket, hand-held, computer-included or car-mounted mobile device and terminal equipment in future NR networks, which 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 the terminal equipment can be regarded as the terminal equipment when the terminal equipment and the base station can carry out data communication.
It can be understood that the RRC connection state established by the signaling type normally releases the RRC connection after the signaling update is completed in about 200ms, but the RRC connection state triggered by the data traffic type usually needs more than 10s to release the RRC connection even if the UE data transmission is completed. The embodiment of the invention mainly effectively detects through methods such as IP data transmission analysis, DRX period and the like, after the data transmission of the UE is finished, the UE locally carries out the forced release of RRC connection, then initiates a signaling request, synchronizes the RRC connection state through the signaling request (such as the signaling Update of a periodic Tracking Area Update (TAU) and the like), and carries out the rapid RRC release by the network equipment, thereby not only ensuring the effective transmission of the data, but also ensuring the rapid release of the RRC connection and the synchronization of the network equipment.
The following further describes the technical solution of the present invention by way of an embodiment, as shown in fig. 2, which is a schematic diagram of an embodiment of a method for releasing RRC connection in the embodiment of the present invention, and the method may include:
201. and starting a first timer under the condition that the terminal equipment is in a Radio Resource Control (RRC) connection state and the Internet Protocol (IP) link is determined to be normal.
Optionally, the determining that the IP link is normal may include: and under the condition that the terminal equipment analyzes response data in the packet header of the IP data, determining that the IP link is normal.
Optionally, the response data includes: the transmission control protocol PUSH and acknowledgement data, or response data regarding PING.
Exemplarily, as shown in fig. 3, it is another schematic diagram of the method for releasing RRC connection in the embodiment of the present invention. After the terminal device enters the RRC connected state, it may confirm that the base station and the UE have normal back-and-forth interaction of IP Data by analyzing Data transmitted to the IP layer by a Packet Data Convergence Protocol (PDCP) layer, and if a Transmission Control Protocol (TCP) PUSH and Acknowledgement (ACK) Data or PING response Data is analyzed in an IP Data header of the IP layer, it indicates that the terminal device can normally receive and transmit Data and the IP link is normal.
If the data interaction of the IP link is normal, the terminal device starts a first timer, and the first time length of the first timer can be 500ms as an example. When the time is out, whether the RRC connection state is required to be released locally and forcibly and the signaling is required to be updated or not is judged, and meanwhile, the time for receiving and sending data is recorded by the terminal equipment.
Note that one DRX cycle is equal to the sum of the UE wake-up time and sleep. In Long Term Evolution (LTE), a system may configure a short DRX cycle (short DRX cycle) or a Long DRX cycle (Long DRX cycle) for a UE according to different service scenarios. If the short DRX period and the long DRX period are configured at the same time, the UE enters the short DRX period when the short DRX period Timer is overtime.
Optionally, the network device configures the terminal device with a short DRX cycle and a long DRX cycle.
Optionally, when the terminal device is in the long DRX cycle state, the terminal device releases the RRC connection and sends a third signaling to the network device, where the third signaling is used for the network device to release the RRC connection. In case the terminal device is not in the long DRX cycle state, the following step 202 is performed.
202. And the terminal equipment records the first time of the last data receiving and sending and the second time of the overtime of the first timer during the non-overtime period of the first timer.
Illustratively, if data is transceived during the operation of the first timer, the last time for transceiving data is updated. And the terminal equipment records the first time T1 of the last data receiving and sending and the second time T2 of the overtime first timer in the non-overtime period of the first timer.
203. The terminal device determines a first difference between the second time and the first time.
The terminal device determines a first difference between the second time and the first time, which may be understood as the terminal device determining a first duration (T2-T1) between the first time and the second time. The first difference may also be an absolute value of a difference between the first time and the second time.
204. And under the condition that the first difference is larger than a first preset threshold value, the terminal equipment releases the RRC connection and sends a first signaling to network equipment, wherein the first signaling is used for the network equipment to release the RRC connection.
The network equipment receives a first signaling sent by the terminal equipment. Optionally, the first preset threshold is less than or equal to a first duration of the first timer. Optionally, the first difference is greater than the discontinuous short DRX cycle.
Optionally, when the first difference is smaller than or equal to the first preset threshold, the terminal device starts a second timer, where a second duration of the second timer is obtained by subtracting the first difference from the first duration; the terminal equipment records the third time of the last data receiving and sending and the fourth time of the second timer overtime in the non-overtime period of the second timer; the terminal equipment determines a second difference value between the fourth time and the third time; and under the condition that the second difference is larger than a second preset threshold value, the terminal equipment releases the RRC connection and sends a second signaling to the network equipment, wherein the second signaling is used for releasing the RRC connection by the network equipment.
Correspondingly, optionally, the network device receives a second signaling sent by the terminal device, and releases the RRC connection according to the second signaling.
Illustratively, if the network device supports the DRX functionality in the connected state and the terminal device enters the long DRX cycle state, it indicates that the terminal device has already passed the short DRX cycle state at this time and has no data transmission. The terminal device can therefore initiate a local release of RRC and perform an update of the signalling and synchronization with the network device.
After the first timer is overtime, the time of the overtime moment is marked as T2, if T2-T1>450ms, which indicates that the terminal equipment and the network equipment have no data interaction within 450ms, the terminal equipment can initiate to locally release RRC and perform signaling update.
If T2-T1 is less than or equal to 450ms, it indicates that the terminal device and the network device still have data to interact within 450ms, then a timer, which may be called a second timer, is restarted, and a second time duration of timeout of the second timer is 500ms- (T2-T1), which is set to ensure that the terminal device initiates local release of RRC and performs signaling update and synchronization with the network device after 500ms of the last data interaction between the terminal device and the network device.
205. The network device releases the RRC connection according to the first signaling.
For example, after signaling interaction of the terminal device and synchronization of the network device, the network device may release the RRC connection quickly in a normal case, and at this time, states of the terminal device and the network device are kept synchronized, which may effectively avoid loss of information such as UE paging.
In the embodiment of the invention, whether the data transmission of the UE is finished or not is effectively judged by combining Internet Protocol (IP) data transmission and a Discontinuous Reception (DRX) long-period mechanism in a connection state, if the data transmission is finished, the UE locally and forcibly releases RRC connection, and initiates signaling type interaction to carry out synchronous RRC state with the base station, so that the base station quickly and normally releases the RRC connection, the standby power consumption can be greatly saved, and the standby time of the UE is prolonged. From the test, when the data volume is less, the UE can complete data transmission in about 1S, and the modem module quickly enters a dormant state, so that the power consumption is greatly saved, and the standby time of the UE is prolonged.
As shown in fig. 4, which is a schematic diagram of an embodiment of a terminal device in the embodiment of the present invention, the schematic diagram may include:
a processing module 401, configured to start a first timer when a terminal device is in a radio resource control RRC connected state and it is determined that an internet protocol IP link is normal; recording the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time that the first timer is not overtime; determining a first difference between the second time and the first time; releasing the RRC connection when the first difference is greater than a first preset threshold;
a transceiving module 402, configured to send a first signaling to a network device, where the first signaling is used for the network device to release the RRC connection.
Optionally, in some embodiments of the present invention, the first preset threshold is less than or equal to the first duration of the first timer.
Alternatively, in some embodiments of the invention,
the processing module 401 is further configured to start a second timer by the terminal device when the first difference is smaller than or equal to the first preset threshold, where a second duration of the second timer is obtained by subtracting the first difference from the first duration; recording the third time of the last data receiving and sending and the fourth time of the second timer overtime during the second timer non-overtime period; determining a second difference between the fourth time and the third time; releasing the RRC connection if the second difference is greater than a second preset threshold,
the transceiving module 402 is further configured to send a second signaling to the network device, where the second signaling is used for the network device to release the RRC connection.
Alternatively, in some embodiments of the present invention,
the processing module 401 is specifically configured to determine that the IP link is normal when the terminal device parses response data from the packet header of the IP data.
Optionally, in some embodiments of the present invention, the response data includes: the transmission control protocol PUSH and acknowledgement data, or response data regarding PING.
Optionally, in some embodiments of the present invention, the first difference is greater than the discontinuous short DRX cycle.
As shown in fig. 5, which is a schematic diagram of an embodiment of a network device in the embodiment of the present invention, the network device may include:
a transceiver module 501, configured to receive a first signaling sent by a terminal device;
a processing module 502, configured to release the RRC connection according to the first signaling.
Alternatively, in some embodiments of the invention,
the transceiver module 501 is further configured to receive a second signaling sent by the terminal device;
the processing module 502 is further configured to release the RRC connection according to the second signaling.
As shown in fig. 6, which is a schematic view of another embodiment of the terminal device in the embodiment of the present invention, the terminal device is described by taking a mobile phone as an example, and may include: radio Frequency (RF) circuit 610, memory 620, input unit 630, display unit 640, sensor 650, audio circuit 660, wireless fidelity (WiFi) module 670, processor 680, and power supply 690. Therein, 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 intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 6:
The memory 620 may be used to store software programs and modules, and the processor 680 may execute various functional applications and data processing of the mobile phone by operating 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, an application program required by 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, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the 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 generate key signal inputs related to user settings and function control of the cellular phone. Specifically, 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, can collect touch operations of a user (e.g., operations of the user on the touch panel 631 or near the touch panel 631 by using any suitable object or accessory such as a finger, a stylus, etc.) thereon or nearby, 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 direction 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 sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 680, and can receive and execute commands sent by the processor 680. In addition, the touch panel 631 may be implemented using various types, such as resistive, capacitive, infrared, and 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 (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
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 (LCD), an organic light-Emitting diode (OLED), or the like. Further, the touch panel 631 can cover the display panel 641, and when the touch panel 631 detects a touch operation thereon or nearby, the touch panel is transmitted 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 implemented as two separate components to implement the input and output 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, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that adjusts the brightness of the display panel 641 according to the brightness of ambient light, and a proximity sensor that turns 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 magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing gestures of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometers and taps), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 670, and provides wireless broadband Internet access for the user. Although fig. 6 shows the WiFi module 670, it is understood that it does not belong to the essential constitution of the handset, and can be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 680 is a control center of the mobile phone, and connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 620 and calling data stored in the memory 620, thereby performing overall monitoring of the mobile phone. Optionally, processor 680 may include one or more processing units; preferably, the processor 680 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 680.
The handset also includes a power supply 690 (e.g., a battery) for powering the various components, which may preferably be logically connected to the processor 680 via a power management system, such that the power management system may be used to manage charging, discharging, and power consumption. Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which will not be described herein.
In this embodiment of the present invention, the processor 680 is configured to start a first timer when the terminal device is in a radio resource control RRC connected state and it is determined that an internet protocol IP link is normal; recording the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time that the first timer is not overtime; determining a first difference between the second time and the first time; releasing the RRC connection when the first difference is greater than a first preset threshold;
Optionally, in some embodiments of the present invention, the first preset threshold is less than or equal to the first duration of the first timer.
Alternatively, in some embodiments of the invention,
the processor 680 is further configured to start a second timer by the terminal device when the first difference is smaller than or equal to the first preset threshold, where a second duration of the second timer is the first duration minus the first difference; recording the third time of the last data transceiving and the fourth time of the second timer overtime in the non-overtime period of the second timer; determining a second difference between the fourth time and the third time; releasing the RRC connection if the second difference is greater than a second preset threshold,
Alternatively, in some embodiments of the present invention,
the processor 680 is specifically configured to determine that the IP link is normal when the terminal device parses response data from a packet header of IP data.
Optionally, in some embodiments of the present invention, the response data includes: the transmission control protocol PUSH and acknowledgement data, or response data regarding PING.
Optionally, in some embodiments of the present invention, the first difference is greater than the discontinuous short DRX cycle.
As shown in fig. 7, which is a schematic diagram of another embodiment of a network device in the embodiment of the present invention, the network device may include:
a memory 701 in which executable program code is stored;
a transceiver 702 and a processor 703 coupled to the memory 701;
a transceiver 702, configured to receive a first signaling sent by a terminal device;
a processor 703 configured to release the RRC connection according to the first signaling.
Alternatively, in some embodiments of the invention,
the transceiver 702 is further configured to receive a second signaling sent by the terminal device;
a processor 703 is further configured to release the RRC connection according to the second signaling.
In the above embodiments, all or part of the implementation may be realized by software, hardware, firmware, or any combination thereof. When implemented in software, it 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, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. 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 via wired (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can store or a data storage device, such as a server, a data center, etc., that includes 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)), among others.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed 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 can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute 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), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A method for releasing an RRC connection, comprising:
starting a first timer under the condition that the terminal equipment is in a Radio Resource Control (RRC) connection state and an Internet Protocol (IP) link is determined to be normal;
the terminal equipment records the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time that the first timer is not overtime;
the terminal equipment determines a first difference value between the second time and the first time;
when the first difference is larger than a first preset threshold, the terminal device releases the RRC connection and sends a first signaling to a network device, wherein the first signaling is used for the network device to release the RRC connection;
when the first difference is smaller than or equal to the first preset threshold, the terminal device starts a second timer, and a second time length of the second timer is obtained by subtracting the first difference from a first time length of the first timer; the terminal equipment records the third time of the last data receiving and sending and the fourth time of the second timer overtime in the period that the second timer is not overtime; the terminal device determines a second difference value between the fourth time and the third time; and under the condition that the second difference is larger than a second preset threshold value, the terminal equipment releases the RRC connection and sends a second signaling to the network equipment, wherein the second signaling is used for releasing the RRC connection by the network equipment.
2. The method of claim 1, wherein the first preset threshold is less than or equal to a first duration of the first timer.
3. The method of claim 1 or 2, wherein the determining that the IP link is normal comprises:
and under the condition that the terminal equipment analyzes response data in the packet header of the IP data, determining that the IP link is normal.
4. The method of claim 3, wherein the response data comprises: the transmission control protocol PUSH and acknowledgement data, or response data regarding PING.
5. The method according to claim 1 or 2, wherein the first difference is larger than a discontinuous short DRX cycle.
6. A method for releasing an RRC connection, comprising:
the network equipment receives a first signaling sent by the terminal equipment;
the network equipment releases the RRC connection according to the first signaling;
the method further comprises the following steps:
the network equipment receives a second signaling sent by the terminal equipment and releases the RRC connection according to the second signaling, wherein the second signaling is sent to the network equipment by the terminal equipment under the condition that a second difference value between a fourth overtime time of a second timer and a third last data receiving and sending time of the second timer is larger than a second preset threshold value, the second timer is started under the condition that a first difference value between the second overtime time of a first timer and the first last data receiving and sending time of the first timer is smaller than or equal to a first preset threshold value, and the first timer is started under the condition that the terminal equipment is in an RRC connection state and an IP link is determined to be normal.
7. A terminal device, comprising:
the processing module is used for starting a first timer under the condition that the terminal equipment is in a Radio Resource Control (RRC) connection state and an Internet Protocol (IP) link is determined to be normal; recording the first time of the last data receiving and sending and the second time of the overtime of the first timer during the time that the first timer is not overtime; determining a first difference between the second time and the first time; releasing the RRC connection when the first difference is greater than a first preset threshold;
a transceiver module, configured to send a first signaling to a network device, where the first signaling is used for the network device to release the RRC connection;
the processing module is further configured to start a second timer when the first difference is smaller than or equal to the first preset threshold, where a second duration of the second timer is obtained by subtracting the first difference from the first duration of the first timer; recording the third time of the last data transceiving and the fourth time of the second timer overtime in the non-overtime period of the second timer; determining a second difference between the fourth time and the third time; releasing the RRC connection under the condition that the second difference value is greater than a second preset threshold value;
the transceiver module is further configured to send a second signaling to the network device, where the second signaling is used for the network device to release the RRC connection.
8. A network device, comprising:
the receiving and sending module is used for receiving a first signaling sent by the terminal equipment;
a processing module, configured to release an RRC connection according to the first signaling;
the transceiver module is further configured to receive a second signaling sent by the terminal device;
the processing module is further configured to release the RRC connection according to the second signaling, where the second signaling is sent to the network device by the terminal device when a second difference between a fourth time when a second timer times out and a third time when the second timer receives and sends data last is greater than a second preset threshold, the second timer is started by the terminal device when a first difference between a second time when the first timer times out and a first time when the first timer receives and sends data last is less than or equal to a first preset threshold, and the first timer is started when the terminal device is in an RRC connection state and an IP link is determined to be normal.
9. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1-5 or the method of claim 6.
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