CN116634432A - Data transmission method and device - Google Patents

Data transmission method and device Download PDF

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Publication number
CN116634432A
CN116634432A CN202310907227.3A CN202310907227A CN116634432A CN 116634432 A CN116634432 A CN 116634432A CN 202310907227 A CN202310907227 A CN 202310907227A CN 116634432 A CN116634432 A CN 116634432A
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CN
China
Prior art keywords
time point
resource control
radio resource
control connection
data transmission
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Granted
Application number
CN202310907227.3A
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Chinese (zh)
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CN116634432B (en
Inventor
孟伟
赵宇宁
王存刚
王明慧
叶奇
李辉
邓志吉
刘明
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Zhejiang Dahua Technology Co Ltd
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Zhejiang Dahua Technology Co Ltd
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Priority to CN202310907227.3A priority Critical patent/CN116634432B/en
Publication of CN116634432A publication Critical patent/CN116634432A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/50—Secure pairing of devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60—Context-dependent security
    • H04W12/61—Time-dependent
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses a data transmission method and a data transmission device, which are used for reducing the power consumption of a terminal and network side equipment, saving resources and avoiding the problem that a base station refuses the access of the terminal equipment caused by the frequent establishment and release of RRC connection. The data transmission method provided by the application comprises the following steps: determining the current time point of the local terminal equipment needing to send data to the network side; judging whether the current time point has preset permission for releasing the radio resource control connection, if so, releasing the radio resource control connection between the local terminal equipment and the network side after the terminal equipment finishes transmitting data to the network side at the current time point, otherwise, maintaining the radio resource control connection between the local terminal equipment and the network side.

Description

Data transmission method and device
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission method and apparatus.
Background
Cellular (4G or 5G) monitoring devices are widely used in various industries, such as parks, subways, docks, etc., where cellular network-based monitoring devices are used. The ultra-high definition video transmission of the ultra-large bandwidth and the low time delay of the honeycomb 5G brings possibility for the ultra-high definition video transmission of 4K, 8K and the like, greatly improves the construction convenience, does not need to deploy a network cable, can quickly access an external network only by accessing a SIM card, and transmits the data acquired by the camera to the platform in real time.
However, while the cellular 5G brings convenience, there are some problems, such as power consumption, especially, battery monitoring devices, and there is a stricter requirement on power consumption, in the current low-power scheme, power consumption is usually reduced by entering a sleep state when the device is not in a pull-up state, and when there is a monitoring requirement, the terminal device is awakened by means of a network wake-up packet, a short message, a telephone, and the like. In addition, for frequent short data messages, such as heartbeat keep-alive packets and alarm messages established with multiple platforms, excessive radio resource control (Radio Resource Control, RRC) connection release and establishment requests are generated in a period of time, so that resource burden of a network side is increased, the network side is easily considered as abnormal terminal, and terminal equipment is prohibited from accessing the network in the period of time, so that the terminal equipment cannot normally communicate with the network side platform.
Disclosure of Invention
The embodiment of the application provides a data transmission method and a data transmission device, which are used for reducing the power consumption of a terminal and network side equipment, saving resources and avoiding the problem that a base station refuses the access of the terminal equipment caused by the frequent establishment and release of RRC connection.
The data transmission method provided by the embodiment of the application comprises the following steps:
Determining the current time point of the local terminal equipment needing to send data to the network side;
judging whether the current time point has preset permission for releasing the radio resource control connection, if so, releasing the radio resource control connection between the local terminal equipment and the network side after the terminal equipment finishes transmitting data to the network side at the current time point, otherwise, maintaining the radio resource control connection between the local terminal equipment and the network side.
The embodiment of the application determines the current time point of the local terminal equipment needing to send data to the network side by the method, judges whether the current time point has preset authority for releasing the wireless resource control connection, if so, releases the wireless resource control connection between the local terminal equipment and the network side after the terminal equipment finishes sending the data to the network side at the current time point, otherwise, maintains the wireless resource control connection between the local terminal equipment and the network side, thereby realizing the release control of the wireless resource control connection based on the authority for releasing the wireless resource control connection distributed for the time point in advance, avoiding frequent release and establishment of the RRC connection, further reducing the power consumption of the terminal and the network side equipment, saving resources, and avoiding the problem that the base station refuses the access of the terminal equipment due to the frequent establishment and release of the RRC connection.
In some embodiments, the method further comprises:
and allocating the permission for releasing the radio resource control connection for at least one data transmission time point after the current time point.
In some embodiments, allocating a right to release a radio resource control connection for at least one data transmission time point subsequent to the current time point includes:
determining a data transmission time point in at least one statistical period from the current time point; wherein each statistic period comprises at least one data transmission time point;
for each statistical period:
determining the time difference between every two adjacent data transmission time points in the statistical period to obtain at least one time difference;
and according to the magnitude of each time difference corresponding to the statistical period, distributing the permission for releasing the radio resource control connection to the time point in the statistical period.
In some embodiments, the allocating, according to the size of each time difference corresponding to the statistics period, the permission to release the radio resource control connection to the time point in the statistics period includes:
sequencing the at least one time difference according to the magnitude relation to obtain a sequence of time differences corresponding to the statistical period;
Sequentially reading the time differences in the sequence according to the sequence from large to small of the time differences in the sequence, determining a time point with an earlier time corresponding to the time difference for each time of reading the time differences, distributing the permission for releasing the radio resource control connection to the time point, and stopping reading the time differences in the sequence until the distribution times of the permission for releasing the radio resource control connection reach a preset threshold, wherein the preset threshold is the maximum value of the preset times of distributing the permission for releasing the radio resource control connection corresponding to each statistic period.
In some embodiments, the method further comprises:
monitoring an emergency, and judging whether radio resource control connection exists between local terminal equipment and the network side at the current time point when the emergency is determined to occur;
if yes, at least before the emergency service data transmission time point of the emergency, the radio resource control connection is kept all the time, and the emergency service data is transmitted through the radio resource control connection at the emergency service data transmission time point of the emergency;
otherwise, before the emergency service data transmission time point of the emergency, establishing a radio resource control connection between the local terminal device and the network side, and at least before the emergency service data transmission time point of the emergency, keeping the radio resource control connection all the time, and at the emergency service data transmission time point of the emergency, transmitting the emergency service data through the radio resource control connection.
In some embodiments, the determining that the emergency event occurred includes:
and when the interrupt trigger signal of the infrared human body sensor is detected, determining that an emergency occurs.
The data transmission device provided by the embodiment of the application comprises a memory and a processor, wherein the memory is used for storing program instructions, and the processor is used for calling the program instructions stored in the memory and executing any one of the methods according to the obtained program.
The communication system provided by the embodiment of the application comprises network side equipment and terminal equipment, wherein the terminal equipment comprises the data transmission device.
Furthermore, according to an embodiment, for example, a computer program product for a computer is provided, comprising software code portions for performing the steps of the method defined above, when said product is run on a computer. The computer program product may include a computer-readable medium having software code portions stored thereon. Furthermore, the computer program product may be directly loaded into the internal memory of the computer and/or transmitted via the network by at least one of an upload procedure, a download procedure and a push procedure.
Another embodiment of the present application provides a computer-readable storage medium storing computer-executable instructions for causing the computer to perform any of the methods described above.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system architecture according to an embodiment of the present application;
fig. 2 is a schematic overall workflow diagram of a terminal device according to an embodiment of the present application;
fig. 3 is a schematic diagram of data transmission timing in a power consumption priority mode according to an embodiment of the present application;
fig. 4 is a schematic diagram of a data transmission timing sequence in an emergency mode according to an embodiment of the present application;
fig. 5 is a schematic flow chart of a data transmission method according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a data transmission device according to an embodiment of the present application;
Fig. 7 is a schematic structural diagram of another data transmission device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides a data transmission method and a data transmission device, which are used for reducing the power consumption of a terminal and network side equipment, saving resources and avoiding the problem that a base station refuses the access of the terminal equipment caused by the frequent establishment and release of RRC connection.
The method and the device are based on the same application, and because the principles of solving the problems by the method and the device are similar, the implementation of the device and the method can be referred to each other, and the repetition is not repeated.
The terms first, second and the like in the description and in the claims of embodiments of the application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The following examples and embodiments are to be construed as illustrative only. Although the specification may refer to "an", "one", or "some" example or embodiment(s) at several points, this does not mean that each such reference is related to the same example or embodiment, nor that the feature is applicable to only a single example or embodiment. Individual features of different embodiments may also be combined to provide further embodiments. Furthermore, terms such as "comprising" and "including" should be understood not to limit the described embodiments to consist of only those features already mentioned; such examples and embodiments may also include features, structures, units, modules, etc. that are not specifically mentioned.
Various embodiments of the application are described in detail below with reference to the drawings attached to the specification. It should be noted that, the display sequence of the embodiments of the present application only represents the sequence of the embodiments, and does not represent the advantages or disadvantages of the technical solutions provided by the embodiments.
The frame of the communication system according to the embodiment of the present application is shown in fig. 1, taking a video monitoring scene as an example, the video monitoring terminal is responsible for uploading the collected video or picture information to a video monitoring platform (hereinafter may be simply referred to as a platform), and different service data (for example, a capture image) may be transmitted to different video monitoring platforms, for example, a service data may be transmitted to a video monitoring platform a, B service data may be transmitted to a video monitoring platform B, that is, the monitoring terminal needs to register with multiple platforms and transmit information. The monitoring terminal has integrated therein a cellular network module, such as a 4G module or a higher performance 5G module. The cellular network module in the monitoring terminal is responsible for transmitting service data to the base station, transmitting the service data to the public network through the base station, and transmitting the service data to different video monitoring platforms through the public network.
That is, all information of the monitoring terminal device is transmitted to the associated monitoring platform through the base station based on the cellular network module. In order to discover the online condition of the terminal equipment or the network platform in time, usually, the heartbeat keep-alive is carried out between the terminal equipment or the network platform according to a certain protocol to confirm whether the opposite terminal is stably online. As shown in fig. 1, typical data flows between terminal devices or network platforms include, for example: timing capture information, heartbeat packet information, video information and other wake-up messages for a period of time, information for controlling rotation of the cradle head, alarm information triggered by local wake-up of PIR (Passive Infra Red, infrared human body sensor) and the like.
Obviously, the more network platforms the terminal accesses, the more heartbeat packets, and the more discrete and small-data-volume packets such as pictures pushed by regular snap shots and alarm information triggered locally, and the like, the more discrete and small-data-volume packets can cause frequent establishment of network connection between the terminal and the base station, so that the terminal cannot stably enter a sleep mode, and the power consumption of the terminal side and the network side equipment is higher.
Therefore, the embodiment of the application distributes the data sending time points to the terminal equipment and effectively distributes the RRC release authorities to the time points, for example, the larger the time difference between adjacent time points is, the more preferentially distributes the authority for releasing the RRC connection, thereby ensuring that the terminal equipment can be in a sleep mode for a longer period of time and not interrupted by frequent awakening, thereby not only reducing the power consumption of the terminal equipment, but also reducing the power consumption of network side equipment. Furthermore, by monitoring the emergency event, the RRC connection is established in advance before the time point of sending the emergency service data, so that the emergency service data can be ensured to be timely transmitted to the network platform, and the problem that the emergency service data cannot be timely transmitted due to the time required by the establishment of the RRC connection is avoided.
An example of the technical solution provided by the embodiments of the present application is given below with reference to the accompanying drawings.
The workflow of the terminal device provided by the embodiment of the application, as shown in fig. 2, for example, includes:
s201, initializing terminal equipment;
that is, after the terminal device is powered on, the initialization of each working module is first performed, including, for example: network connection of the 5G cellular module, initialization of the image acquisition module, initialization of the PIR sensor, and the like.
S202, reading the configuration of the current terminal equipment, and mainly obtaining connection and heartbeat keep-alive intervals between the current terminal equipment and which platforms are to be established, time intervals of a timing diagram sending platform, and maximum times M for releasing RRC connection in a period T allowed by a network where the current terminal equipment is located.
In the embodiment of the application, the statistical period T and the maximum number M of the RRC connection release of the terminal are preset in the period T, so that the terminal equipment can be controlled to be in the sleep mode for a longer period of time without being frequently awakened, the power consumption of the terminal equipment can be reduced, and the power consumption of the network side equipment can be reduced.
S203, determining each time point (data transmission time point not including an emergency) at which the terminal device transmits data, for example, T1, T2, T3, T4 … … shown in fig. 3, with the current time as a start point, and distributing it over a period with T as a period;
And T is a preset counting period, and is used for counting the maximum number M of RRC connection release times of the terminal allowed by the network side in the period, namely the maximum number M of RRC connection release times of the terminal allowed by the network side in the period T.
As shown in fig. 3, where t1, t2, t3, etc. are time points at which data is to be sent to the platform in a time sequence. Examples: and sending a heartbeat keep-alive packet to the platform A at the moment t1, sending a heartbeat packet to the platform B at the moment t2, sending a grabbing graph to the platform at the moment t3, and the like. These points in time can all be calculated from the terminal device configuration.
S204, respectively calculating the time difference between adjacent time points in the time period of each statistic period T, and sequencing the time points according to the sequence from small to large to generate a sequence S corresponding to each statistic period T;
for example, referring to fig. 3, for a first statistical period T, a time difference is obtained: t is t 12 、t 23 、t 34 、t 45 Wherein t is 12 Representing the time difference between time t2 and time t1, time t1 being the time at which data is transmitted in the time period t1 to t2, i.e. t 12 The corresponding time point of transmitting data is t1, and so on, t 45 Representing the time difference between time t5 and time t4, time t4 being the time at which data is transmitted in the period t4 to t5, i.e. t 45 The corresponding point in time for transmitting data is t4.
Obviously, the larger the time difference is, the longer the terminal will go to sleep after releasing the RRC connection at the time point of transmitting data corresponding to the time difference, and the lower the power consumption will be.
The shorter the time difference is, the more RRC connection is released at the time point of transmitting data corresponding to the time difference, the RRC connection will be re-established in a very short time (because the time point of transmitting data next is reached), so that the cellular module in the terminal needs to be awakened again, and the RRC connection is re-established again, and the power consumption will increase to a certain extent.
Therefore, the embodiment of the present application is described in detail with respect to the activity in the first statistical period T, and the processing manner of each subsequent period T is the same. Sequentially calculating time differences of adjacent time points in the period T to obtain T 12 、t 23 、t 34 、t 45 And the time differences are arranged from large to small or from small to large according to the numerical values, so as to form a sequence S, and the authority of releasing the RRC connection is allocated to the priority with the large numerical value. Let t be 45 The maximum value in the sequence S gives priority to allocating the authority to release the RRC connection, so that the RRC connection can be actively released after the data is transmitted at the time point t4. And, each time the authority to release the RRC connection is allocated, the M value is reduced 1, if M is still greater than 0 in the current period T, i.e. there are remaining number of releasable RRC connections, then T is the second largest 34 The authority to release the RRC connection is allocated, so that after the data is sent at the time point T3, the RRC connection can be actively released, and so on until M equals to 0, so as to complete the allocation of the authority to release the RRC connection at the time point in the current period T. Then, when the permission to release the RRC connection is not allocated, the RRC cannot be directly released after the data transmission is completed, and the RRC connection is continuously maintained.
S205, regarding each sequence S, taking the sending time point with the largest time difference in the sequence S as the time point of the current authority to release RRC connection to be allocated, for example t 45 If the time difference is the largest, t4 is taken as the time point of the current authority to be allocated for releasing the RRC connection; judging whether M is larger than zero, if so, distributing the authority for releasing the RRC connection to a time point t4 of the authority for releasing the RRC connection to be distributed currently, so that the RRC connection is actively released after the data is sent out at the time point t 4; and updating m=m-1, re-determining the current time point of the authority to be allocated to release the RRC connection in the sequence S, and then judging whether M is greater than zero again, and the like until m=0, i.e. counting the authority to release the RRC connection in the period T is completely allocated.
For the time point with the authority to release the RRC connection, the terminal can release the RRC connection after finishing the data transmission at the time point, otherwise, for the time point without the authority to release the RRC connection, the terminal can not release the RRC connection after finishing the data transmission at the time point, and the RRC connection needs to be maintained.
Therefore, in the embodiment of the application, the times and time points of the terminal releasing the RRC connection can be reasonably controlled by distributing the authority of releasing the RRC connection to the data transmission time points in the statistical period T, and the terminal equipment can keep longer dormancy due to the release of the RRC connection on the premise of ensuring normal operation of the service, thereby saving energy consumption.
S206, when M is not greater than zero, namely M is equal to 0, determining the time point at which the authority of releasing the RRC connection is not allocated to remain as the time point at which the RRC connection is not allowed to be actively released.
S207, setting a timer for each time point;
the timer has the function of waiting for the arrival of a time point, starting the subsequent data transmission and judging whether the RRC connection is allowed to be released.
S208, judging whether the time point of the next transmitted data arrives, if so, further judging whether the time point is allocated with the authority of releasing the RRC connection, namely judging whether the current time point allows the RRC connection to be released, if so, actively releasing the RRC connection after the data is sent out at the time point, otherwise, continuously judging whether the time point of the next transmitted data arrives;
If the time point of the next transmission data does not arrive, the processing continues to wait, for example, after waiting for 50ms, to determine again whether the time point of the next transmission data arrives.
The determining whether the time point of the next transmitted data arrives, that is, whether the timer of the next time point is timed out, and if not, the waiting is continued, and the data transmission and the determination flow of whether to allow the RRC connection to be released are executed when the time arrives.
In addition, in consideration of an emergency event, emergency service data needs to be sent, and if the RRC connection is released at the time of sending the emergency service data, the RRC connection needs to be re-established at the time of sending the emergency service data, so that the emergency service data cannot be sent immediately, and the emergency service requirement cannot be met.
Therefore, in some embodiments, during the data transmission processing procedure, the embodiments of the present application further monitor an emergency event, and for an emergency event triggered by PIR or the like (i.e. a time when data needs to be sent in an emergency), a data sending scheme capable of implementing a lower delay is provided, for example, including:
when PIR interrupt triggering is detected, the terminal equipment wakes up the functional modules such as the image sensor and the like immediately to start working, for example, the image sensor performs image acquisition and encoding. The PIR interrupt trigger, for example, when the PIR sensor detects that someone runs into the PIR sensor, triggers the interrupt to notify the terminal device to do a certain action.
While the modules such as the image sensor and the like are awakened to perform image processing, the terminal equipment checks whether the RRC connection exists at the current time point, and if the RRC connection is released, the cellular communication module (such as the 5G module) is immediately awakened to continuously send heartbeat data packets to the network platform so as to establish the RRC connection and ensure that the RRC connection is not released. Therefore, when the transmission time of the emergency service data is over, the RRC link is established, the emergency service data can be immediately transmitted, and the smooth progress of the emergency service is ensured so as to cope with the emergency. For example, referring to fig. 4, if an emergency is detected between time t2 and time t3, and the emergency service data needs to be transmitted at time t3, if the RRC connection has been released at time t2, the terminal does not have the RRC connection at the time when the emergency is detected, so that the RRC connection is established again and maintained before time t3, and if the terminal has maintained the RRC connection at the time when the emergency is detected, the RRC connection does not need to be established again, so that the emergency service data can be transmitted in time at time t 3.
In summary, according to the embodiment of the application, by dispersing the data transmission time points of the terminal device and effectively distributing the RRC release times, the larger the time difference between the time points of transmitting the data is, the more preferentially has the authority to release the RRC connection, so that the device is ensured to be in the sleep mode for a longer period of time and not to be interrupted by frequent awakening, and the power consumption of the device is reduced to a certain extent. And by monitoring the sudden event and pre-establishing the RRC connection, the emergency service data of the sudden event in a low-delay scene can be ensured to be transmitted to the network platform at the fastest speed.
On the terminal side, referring to fig. 5, a data transmission method provided in an embodiment of the present application includes:
s501, determining a current time point when local terminal equipment needs to send data to a network side;
s502, judging whether the current time point has preset permission for releasing the radio resource control connection, if so, releasing the radio resource control connection between the local terminal equipment and the network side after the terminal equipment finishes transmitting data to the network side at the current time point, otherwise, maintaining the radio resource control connection between the local terminal equipment and the network side.
That is, for the time point where the permission to release the radio resource control connection is allocated in advance, after the data transmission is completed at the time point, the radio resource control connection between the local terminal device and the network side can be released, otherwise, the radio resource control connection cannot be released, so that resource waste caused by frequent release and establishment of the radio resource control connection is avoided.
The method provided by the embodiment of the application is applicable to the above-mentioned monitoring scene, and can also be applicable to other scenes, that is, the terminal equipment in the embodiment of the application is not limited to a video monitoring terminal, and can also be other types of terminals. The network-side equipment is not limited to a video monitoring platform and the like, and can also be other network platforms.
In some embodiments, the method further comprises:
and allocating the permission for releasing the radio resource control connection for at least one data transmission time point after the current time point.
In some embodiments, allocating a right to release a radio resource control connection for at least one data transmission time point subsequent to the current time point includes:
determining a data transmission time point within at least one statistical period (e.g., T described above) from the current time point; wherein each statistic period comprises at least one data transmission time point;
for each statistical period:
determining the time difference between every two adjacent data transmission time points in the statistical period to obtain at least one time difference;
and according to the magnitude of each time difference corresponding to the statistical period, distributing the permission for releasing the radio resource control connection to the time point in the statistical period.
In some embodiments, the allocating, according to the size of each time difference corresponding to the statistics period, the permission to release the radio resource control connection to the time point in the statistics period includes:
sequencing the at least one time difference according to the magnitude relation to obtain a sequence of time differences corresponding to the statistical period;
Sequentially reading the time differences in the sequence in order of the time differences in the sequence from the large to the small, and for each read time difference, determining a time point (e.g., t 45 The corresponding time point is t 4), and the permission to release the radio resource control connection is allocated to the time point until the number of allocation times of the permission to release the radio resource control connection reaches a preset threshold (for example, M) which is a maximum value of the number of times of allocation of the permission to release the radio resource control connection corresponding to each statistical period and is preset, and the reading of the time difference in the sequence is stopped.
The larger the time difference is, the longer the time for the terminal to enter into dormancy is after the RRC connection is released at the time point corresponding to the time difference is, and the lower the power consumption is, so in the embodiment of the application, the time difference in the sequence is sequentially read according to the sequence from the larger time difference to the smaller time difference in the sequence, the larger the time difference is, the more the permission for releasing the radio resource control connection is preferentially allocated, so that the terminal can release the RRC connection at the time point corresponding to the larger time difference, the longer the time for entering into dormancy is, and the power consumption is more saved.
Of course, in addition to the above embodiments, there may be other manners of allocating the right to release the radio resource control connection to the data transmission time points, for example, the value of each time difference may be compared with a preset threshold, a time difference greater than the preset threshold in the statistical period may be determined, and the right to release the radio resource control connection may be allocated to the data transmission time points corresponding to the time differences. Or, as long as the time difference between two adjacent time points is greater than a preset threshold, the terminal device can release the RRC connection and enter a sleep state, so as to save power consumption.
In some embodiments, the method further comprises:
monitoring an emergency (namely considering the processing of the emergency), and judging whether radio resource control connection exists between the local terminal equipment and the network side at the current time point when the emergency is determined to occur;
if so, maintaining the radio resource control connection (for example, continuously transmitting heartbeat packets) at least until the emergency service data transmission time point of the emergency, and transmitting the emergency service data through the radio resource control connection at the emergency service data transmission time point of the emergency;
Otherwise, before the emergency service data transmission time point of the emergency, establishing a radio resource control connection between the local terminal device and the network side, and at least before the emergency service data transmission time point of the emergency, keeping the radio resource control connection all the time, and at the emergency service data transmission time point of the emergency, transmitting the emergency service data through the radio resource control connection.
In addition, referring to fig. 4, after the emergency service data is transmitted through the radio resource control connection at the time point of emergency service data transmission of the emergency, for example, after the time point of t3, the time difference t between t3 and t4 may be further determined 34 Whether greater, e.g. greater than a preset threshold, if so, and the time difference t 34 The corresponding M of the statistical period T is not zero, that is, the RRC connection may be released in the statistical period T, or the permission to release the RRC connection is allocated in advance at the time point T3, then the RRC connection may be released after the emergency service data is completed at the time point T3, and similarly, if the permission to release the RRC connection is allocated in advance at the time point T4, then the RRC connection may be released after the data transmission is completed at the time point T4.
In some embodiments, the determining that the emergency event occurred includes:
and when the interrupt trigger signal of the infrared human body sensor is detected, determining that an emergency occurs.
The following describes a device or apparatus provided by an embodiment of the present application, where explanation or illustration of the same or corresponding technical features as those described in the above method is omitted.
Referring to fig. 6, on a terminal side, a data transmission apparatus provided in an embodiment of the present application includes:
the processor 600, configured to read the program in the memory 620, performs the following procedures:
determining the current time point of the local terminal equipment needing to send data to the network side;
judging whether the current time point has preset permission for releasing the radio resource control connection, if so, releasing the radio resource control connection between the local terminal equipment and the network side after the terminal equipment finishes transmitting data to the network side at the current time point, otherwise, maintaining the radio resource control connection between the local terminal equipment and the network side.
In some embodiments, the processor 600 is further configured to read the program in the memory 620, and perform the following procedure:
And allocating the permission for releasing the radio resource control connection for at least one data transmission time point after the current time point.
In some embodiments, allocating a right to release a radio resource control connection for at least one data transmission time point subsequent to the current time point includes:
determining a data transmission time point in at least one statistical period from the current time point; wherein each statistic period comprises at least one data transmission time point;
for each statistical period:
determining the time difference between every two adjacent data transmission time points in the statistical period to obtain at least one time difference;
and according to the magnitude of each time difference corresponding to the statistical period, distributing the permission for releasing the radio resource control connection to the time point in the statistical period.
In some embodiments, the allocating, according to the size of each time difference corresponding to the statistics period, the permission to release the radio resource control connection to the time point in the statistics period includes:
sequencing the at least one time difference according to the magnitude relation to obtain a sequence of time differences corresponding to the statistical period;
sequentially reading the time differences in the sequence according to the sequence from large to small of the time differences in the sequence, determining a time point with an earlier time corresponding to the time difference for each time of reading the time differences, distributing the permission for releasing the radio resource control connection to the time point, and stopping reading the time differences in the sequence until the distribution times of the permission for releasing the radio resource control connection reach a preset threshold, wherein the preset threshold is the maximum value of the preset times of distributing the permission for releasing the radio resource control connection corresponding to each statistic period.
In some embodiments, the processor 600 is further configured to read the program in the memory 620, and perform the following procedure:
monitoring an emergency, and judging whether radio resource control connection exists between local terminal equipment and the network side at the current time point when the emergency is determined to occur;
if yes, at least before the emergency service data transmission time point of the emergency, the radio resource control connection is kept all the time, and the emergency service data is transmitted through the radio resource control connection at the emergency service data transmission time point of the emergency;
otherwise, before the emergency service data transmission time point of the emergency, establishing a radio resource control connection between the local terminal device and the network side, and at least before the emergency service data transmission time point of the emergency, keeping the radio resource control connection all the time, and at the emergency service data transmission time point of the emergency, transmitting the emergency service data through the radio resource control connection.
In some embodiments, the determining that the emergency event occurred includes:
and when the interrupt trigger signal of the infrared human body sensor is detected, determining that an emergency occurs.
A transceiver 610 for receiving and transmitting data under the control of the processor 600.
Wherein in fig. 6, a bus architecture may comprise any number of interconnected buses and bridges, and in particular one or more processors represented by processor 600 and various circuits of memory represented by memory 620, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 610 may be a number of elements, i.e., including a transmitter and a receiver, providing a means for communicating with various other apparatus over transmission media, including wireless channels, wired channels, optical cables, etc. The user interface 630 may also be an interface capable of interfacing with an inscribed desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 may store data used by the processor 600 in performing operations.
In some embodiments, the processor 600 may be a CPU (Central processing Unit), ASIC (Application Specific Integrated Circuit ), FPGA (Field-Programmable Gate Array, field programmable Gate array) or CPLD (Complex Programmable Logic Device ), and the processor may also employ a multicore architecture.
The processor is operable to perform any of the methods provided by embodiments of the present application in accordance with the obtained executable instructions by invoking a computer program stored in a memory. The processor and the memory may also be physically separate.
It should be noted that, the above device provided in the embodiment of the present application can implement all the method steps implemented in the method embodiment and achieve the same technical effects, and detailed descriptions of the same parts and beneficial effects as those in the method embodiment in this embodiment are omitted.
Referring to fig. 7, another data transmission apparatus provided in an embodiment of the present application includes:
a first unit 701, configured to determine a current time point at which the local terminal device needs to send data to the network side;
a second unit 702, configured to determine whether the current time point has a preset permission for releasing the radio resource control connection, if so, release the radio resource control connection between the local terminal device and the network side after the terminal device completes sending data to the network side at the current time point, otherwise, maintain the radio resource control connection between the local terminal device and the network side.
In some embodiments, the first unit 701 is further configured to:
and allocating the permission for releasing the radio resource control connection for at least one data transmission time point after the current time point.
In some embodiments, allocating a right to release a radio resource control connection for at least one data transmission time point subsequent to the current time point includes:
determining a data transmission time point in at least one statistical period from the current time point; wherein each statistic period comprises at least one data transmission time point;
for each statistical period:
determining the time difference between every two adjacent data transmission time points in the statistical period to obtain at least one time difference;
and according to the magnitude of each time difference corresponding to the statistical period, distributing the permission for releasing the radio resource control connection to the time point in the statistical period.
In some embodiments, the allocating, according to the size of each time difference corresponding to the statistics period, the permission to release the radio resource control connection to the time point in the statistics period includes:
sequencing the at least one time difference according to the magnitude relation to obtain a sequence of time differences corresponding to the statistical period;
Sequentially reading the time differences in the sequence according to the sequence from large to small of the time differences in the sequence, determining a time point with an earlier time corresponding to the time difference for each time of reading the time differences, distributing the permission for releasing the radio resource control connection to the time point, and stopping reading the time differences in the sequence until the distribution times of the permission for releasing the radio resource control connection reach a preset threshold, wherein the preset threshold is the maximum value of the preset times of distributing the permission for releasing the radio resource control connection corresponding to each statistic period.
In some embodiments, the second unit 702 is further configured to:
monitoring an emergency, and judging whether radio resource control connection exists between local terminal equipment and the network side at the current time point when the emergency is determined to occur;
if yes, at least before the emergency service data transmission time point of the emergency, the radio resource control connection is kept all the time, and the emergency service data is transmitted through the radio resource control connection at the emergency service data transmission time point of the emergency;
otherwise, before the emergency service data transmission time point of the emergency, establishing a radio resource control connection between the local terminal device and the network side, and at least before the emergency service data transmission time point of the emergency, keeping the radio resource control connection all the time, and at the emergency service data transmission time point of the emergency, transmitting the emergency service data through the radio resource control connection.
In some embodiments, the determining that the emergency event occurred includes:
and when the interrupt trigger signal of the infrared human body sensor is detected, determining that an emergency occurs.
It should be noted that, in the embodiment of the present application, the division of the units is schematic, which is merely a logic function division, and other division manners may be implemented in actual practice. In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Embodiments of the present application provide a computing device, which may be specifically a desktop computer, a portable computer, a smart phone, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA), and the like. The computing device may include a central processing unit (Center Processing Unit, CPU), memory, input/output devices, etc., the input devices may include a keyboard, mouse, touch screen, etc., and the output devices may include a display device, such as a liquid crystal display (Liquid Crystal Display, LCD), cathode Ray Tube (CRT), etc.
The memory may include Read Only Memory (ROM) and Random Access Memory (RAM) and provides the processor with program instructions and data stored in the memory. In the embodiment of the present application, the memory may be used to store a program of any of the methods provided in the embodiment of the present application.
The processor is configured to execute any of the methods provided by the embodiments of the present application according to the obtained program instructions by calling the program instructions stored in the memory.
Embodiments of the present application also provide a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the method of any of the above embodiments. The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
An embodiment of the present application provides a computer readable storage medium storing computer program instructions for use in an apparatus provided in the embodiment of the present application, where the computer program instructions include a program for executing any one of the methods provided in the embodiment of the present application. The computer readable storage medium may be a non-transitory computer readable medium.
The computer-readable storage medium can be any available medium or data storage device that can be accessed by a computer, including, but not limited to, magnetic storage (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor storage (e.g., ROM, EPROM, EEPROM, nonvolatile storage (NAND FLASH), solid State Disk (SSD)), etc.
It should be understood that:
the access technology via which an entity in the communication network communicates traffic may be any suitable current or future technology, such as WLAN (wireless local access network), wiMAX (worldwide interoperability for microwave access), LTE-a, 5G, bluetooth, infrared, etc. may be used; in addition, embodiments may also apply wired technologies, e.g., IP-based access technologies, such as wired networks or fixed lines.
Embodiments suitable for implementation as software code or portions thereof and for execution using a processor or processing function are software code independent and may be specified using any known or future developed programming language, such as a high-level programming language, such as an objective-C, C, C ++, c#, java, python, javascript, other scripting languages, etc., or a low-level programming language, such as a machine language or assembler.
The implementation of the embodiments is hardware-independent and may be implemented using any known or future developed hardware technology or any hybrid thereof, such as microprocessors or CPUs (central processing units), MOS (metal oxide semiconductors), CMOS (complementary MOS), biMOS (bipolar MOS), biCMOS (bipolar CMOS), ECL (emitter coupled logic), and/or TTL (transistor-transistor logic).
Embodiments may be implemented as a single device, apparatus, unit, component, or function, or in a distributed fashion, e.g., one or more processors or processing functions may be used or shared in a process, or one or more processing segments or portions may be used and shared in a process where one physical processor or more than one physical processor may be used to implement one or more processing portions dedicated to a particular process as described.
The apparatus may be implemented by a semiconductor chip, a chipset, or a (hardware) module comprising such a chip or chipset.
Embodiments may also be implemented as any combination of hardware and software, such as an ASIC (application specific IC (integrated circuit)) component, an FPGA (field programmable gate array) or CPLD (complex programmable logic device) component, or a DSP (digital signal processor) component.
Embodiments may also be implemented as a computer program product comprising a computer usable medium having a computer readable program code embodied therein, the computer readable program code adapted to perform a process as described in the embodiments, wherein the computer usable medium may be a non-transitory medium.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A method of data transmission, the method comprising:
determining the current time point of the local terminal equipment needing to send data to the network side;
judging whether the current time point has preset permission for releasing the radio resource control connection, if so, releasing the radio resource control connection between the local terminal equipment and the network side after the terminal equipment finishes transmitting data to the network side at the current time point, otherwise, maintaining the radio resource control connection between the local terminal equipment and the network side.
2. The method according to claim 1, wherein the method further comprises:
and allocating the permission for releasing the radio resource control connection for at least one data transmission time point after the current time point.
3. The method according to claim 2, wherein assigning the right to release the radio resource control connection for at least one data transmission time point subsequent to the current time point comprises:
determining a data transmission time point in at least one statistical period from the current time point; wherein each statistic period comprises at least one data transmission time point;
for each statistical period:
determining the time difference between every two adjacent data transmission time points in the statistical period to obtain at least one time difference;
and according to the magnitude of each time difference corresponding to the statistical period, distributing the permission for releasing the radio resource control connection to the time point in the statistical period.
4. A method according to claim 3, wherein the allocating the permission to release the radio resource control connection to the time point in the statistical period according to the magnitude of each time difference corresponding to the statistical period comprises:
Sequencing the at least one time difference according to the magnitude relation to obtain a sequence of time differences corresponding to the statistical period;
sequentially reading the time differences in the sequence according to the sequence from large to small of the time differences in the sequence, determining a time point with an earlier time corresponding to the time difference for each time of reading the time differences, distributing the permission for releasing the radio resource control connection to the time point, and stopping reading the time differences in the sequence until the distribution times of the permission for releasing the radio resource control connection reach a preset threshold, wherein the preset threshold is the maximum value of the preset times of distributing the permission for releasing the radio resource control connection corresponding to each statistic period.
5. The method according to claim 1, wherein the method further comprises:
monitoring an emergency, and judging whether radio resource control connection exists between local terminal equipment and the network side at the current time point when the emergency is determined to occur;
if yes, at least before the emergency service data transmission time point of the emergency, the radio resource control connection is kept all the time, and the emergency service data is transmitted through the radio resource control connection at the emergency service data transmission time point of the emergency;
Otherwise, before the emergency service data transmission time point of the emergency, establishing a radio resource control connection between the local terminal device and the network side, and at least before the emergency service data transmission time point of the emergency, keeping the radio resource control connection all the time, and at the emergency service data transmission time point of the emergency, transmitting the emergency service data through the radio resource control connection.
6. The method of claim 5, wherein the determining that an incident occurred comprises:
and when the interrupt trigger signal of the infrared human body sensor is detected, determining that an emergency occurs.
7. A data transmission apparatus, the apparatus comprising:
a memory for storing program instructions;
a processor for invoking program instructions stored in said memory to perform the method of any of claims 1 to 6 in accordance with the obtained program.
8. A communication system comprising a network-side device and a terminal device, wherein the terminal device comprises the data transmission apparatus of claim 7.
9. A computer program product for a computer, characterized in that it comprises software code portions for performing the method according to any of claims 1 to 6 when the product is run on the computer.
10. A computer-readable storage medium storing computer-executable instructions for causing a computer to perform the method of any one of claims 1 to 6.
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