CN107623928B - Method and system for transmitting small flow data - Google Patents
Method and system for transmitting small flow data Download PDFInfo
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- CN107623928B CN107623928B CN201610557640.1A CN201610557640A CN107623928B CN 107623928 B CN107623928 B CN 107623928B CN 201610557640 A CN201610557640 A CN 201610557640A CN 107623928 B CN107623928 B CN 107623928B
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Abstract
The invention discloses a method and a system for transmitting small-flow data, and relates to the field of Internet of things. The network element equipment inquires whether the appointed field of the data packet comprises the identification information of the mandatory short data burst mode after receiving the data packet provided by the application server, and under the condition that the appointed field comprises the identification information of the mandatory short data burst mode, the network element equipment sends service information to the base station controller, wherein the service information comprises first indication information and the data packet, and the base station controller sends the data packet to a receiving terminal by using a common control channel according to the first indication information. The invention does not need to establish a service channel for each user, and the users can transmit service information through the shared common control channel, thereby greatly improving the utilization rate of channel resources.
Description
Technical Field
The invention relates to the field of Internet of things, in particular to a method and a system for transmitting small-flow data.
Background
In the data aggregation of the internet of things, the real-time performance of fault data transmission is one of the main problems concerned by customers. By transmitting fault data in real time, fault type detection, real-time response and emergency rescue are achieved. For example, in 7 months in 2015, the special facilities office of the quality inspection bureau notifies (quality inspection special function [ 2015 ] 38) of the data collection rule (trial) of the elevator emergency disposal platform, and regulates the acquisition, storage and statistical analysis of relevant data of the elevator emergency disposal platform, so as to perform elevator risk monitoring work.
At present, the real-time transmission method of CDMA 2G/3G network data mainly comprises 2 methods: one is that the terminal sets a timer, but the interval time is required to be as short as possible, so as to achieve quasi-real time; 2. the other is to enable heartbeat packets, i.e. a small-traffic, long-on-line traffic type.
However, if the terminal wakes up by using the timer, the service scenario requiring real-time response, such as elevator trapping, gas leakage, etc., cannot be satisfied.
For a 2G network, if a terminal is kept on-line for a long time, a heartbeat mechanism needs to be started to respond to fault information in real time, but the heartbeat mechanism causes a signaling storm and causes a large amount of consumption of wireless resources.
In the 3G network, if the terminal is kept on line for a long time, although a signaling storm does not occur, a large amount of radio resources are consumed.
Disclosure of Invention
Embodiments of the present invention provide a method and a system for transmitting small-flow data, which enable users to transmit service information through a shared common control channel without establishing a service channel for each user, thereby greatly improving the utilization rate of channel resources.
According to an aspect of the present invention, there is provided a method for transmitting small traffic data, comprising:
after receiving a data packet provided by an application server, a network element device queries whether a designated field of the data packet includes identification information for forcibly using a short data burst mode;
under the condition that the appointed field of the data packet comprises identification information for forcibly using a short data burst mode, the network element equipment sends service information to the base station controller, wherein the service information comprises first indication information and the data packet;
and the base station controller transmits the data packet to the receiving terminal by using the common control channel according to the first indication information.
In one embodiment, in the case that identification information forcing the use of the short data burst mode is not included in a designated field of a data packet, the network element device sends service information to the base station controller, wherein the service information includes second indication information and the data packet;
and the base station controller transmits the data packet to the receiving terminal by using a service channel established between the base station controller and the receiving terminal according to the second indication information.
In one embodiment, the step of the base station controller transmitting the data packet to the receiving terminal by using the traffic channel established between the base station controller and the receiving terminal includes:
the base station controller judges whether a service channel is established between the base station controller and the receiving terminal;
under the condition of establishing a service channel, the base station controller transmits a data packet to a receiving terminal by using the service channel;
under the condition that a service channel is not established, the base station controller and the receiving terminal establish the service channel;
after the traffic channel is successfully established, the base station controller transmits the data packet to the receiving terminal by using the traffic channel.
In one embodiment, after receiving a data packet, an application server counts the current cache data length of a receiving terminal;
and under the condition that the current cache data length of the receiving terminal is not more than a preset threshold value, setting identification information forcing the use of a short data burst mode in a specified field of a data packet, and then sending the data packet subjected to setting processing to network element equipment.
In one embodiment, the designated field of the packet is a type of service field of the IP layer of the packet.
In one embodiment, the common control channel is a forward common control channel, FCCCH.
According to another aspect of the present invention, there is provided a system for transmitting small traffic data, including an application server, a network element device, and a base station controller, wherein:
the application server is used for providing the data packet to the network element equipment;
the network element equipment is used for inquiring whether the specified field of the data packet comprises the identification information for forcibly using the short data burst mode after receiving the data packet provided by the application server; under the condition that the appointed field of the data packet comprises identification information for forcibly using a short data burst mode, service information is sent to a base station controller, wherein the service information comprises first indication information and the data packet;
and the base station controller is used for transmitting the data packet to the receiving terminal by using the common control channel according to the first indication information.
In an embodiment, the network element device is further configured to send service information to the base station controller if the specified field of the data packet does not include identification information for forcing the use of the short data burst mode, where the service information includes second indication information and the data packet;
the base station controller is further configured to send the data packet to the receiving terminal by using a traffic channel established with the receiving terminal according to the second indication information.
In one embodiment, the base station controller specifically determines whether a traffic channel is established between the base station controller and the receiving terminal, and transmits the data packet to the receiving terminal by using the traffic channel when the traffic channel is established; and under the condition that the service channel is not established, establishing the service channel with the receiving terminal, and after the service channel is successfully established, transmitting the data packet to the receiving terminal by using the service channel.
In an embodiment, the application server is further configured to count a current cache data length of the receiving terminal after receiving the data packet, set, in a specified field of the data packet, identification information for forcing the use of the short data burst mode when the current cache data length of the receiving terminal is not greater than a preset threshold value, and then send the set data packet to the network element device.
In one embodiment, the designated field of the packet is a type of service field of the IP layer of the packet.
In one embodiment, the common control channel is a forward common control channel, FCCCH.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of a method for transmitting low-traffic data according to the present invention.
Fig. 2 is a schematic diagram of another embodiment of the method for transmitting small traffic data according to the present invention.
Fig. 3 is a schematic diagram of an embodiment of a system for transmitting data with small flow rate according to the present invention.
Fig. 4 is a schematic diagram of an embodiment of transmitting low traffic data according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely 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 following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In a new version of the CDMA 20001x A protocol standard (version more than IOS 5.0.1), a concept of SDB (Short Data Burst) is proposed, and the SDB mode is designed specifically for small-traffic Data volume transmission. The invention uses the optional SDB characteristic in the CDMA 2000 standard protocol to transmit the small flow data through the SDB packet, thereby effectively solving the contradiction problem between the network resource consumption and the real-time service.
Fig. 1 is a schematic diagram of an embodiment of a method for transmitting low-traffic data according to the present invention. Wherein:
Optionally, the specified field of the packet is a Type of Service (TOS) field of an IP layer of the packet. The identification information may be set on reserved bits of the TOS field.
And 103, the base station controller transmits the data packet to the receiving terminal by using the common control channel according to the first indication information.
Alternatively, the Common Control Channel may be a Forward Common Control Channel (FCCCH).
Optionally, after receiving the data packet, the application server counts the current cache data length of the receiving terminal. And under the condition that the current cache data length of the receiving terminal is not more than a preset threshold value, the application server sets identification information for forcibly using a short data burst mode in a specified field of a data packet, and then sends the data packet subjected to setting processing to the network element equipment.
According to the method for transmitting the small-flow data provided by the embodiment of the invention, when the terminal is in the dormant state, the service information can be transmitted through the shared common control channel without establishing a service channel, so that the utilization rate of channel resources is greatly improved.
Fig. 2 is a schematic diagram of another embodiment of the method for transmitting small traffic data according to the present invention. Wherein:
in step 201, after receiving a data packet provided by an application server, a network element device queries whether a specified field of the data packet includes identification information for forcing the use of a short data burst mode.
If a traffic channel is established between the base station controller and the receiving terminal, the base station controller can directly send the data packet to the receiving terminal by using the traffic channel. If a traffic channel is not established between the base station controller and the receiving terminal, the base station controller transmits the data packet to the receiving terminal by using the traffic channel after the traffic channel is successfully established between the base station controller and the receiving terminal. For example, if the receiving terminal is in a sleep state, a traffic channel is established after the receiving terminal wakes up, and then information transmission is performed.
Fig. 3 is a schematic diagram of an embodiment of a system for transmitting data with small flow rate according to the present invention. As shown in fig. 3, the system may include an application server 301, a network element device 302, and a base station controller 303. Wherein:
the application server 301 is used to provide data packets to the network element device.
The network element device 302 is configured to, after receiving the data packet provided by the application server 301, query whether the specified field of the data packet includes identification information for forcing to use the short data burst mode, and send service information to the base station controller 303 when the specified field of the data packet includes the identification information for forcing to use the short data burst mode, where the service information includes the first indication information and the data packet.
Optionally, the specified field of the data packet is a service type field of an IP layer of the data packet.
The base station controller 303 is configured to transmit the data packet to the receiving terminal by using the common control channel according to the first indication information.
Optionally, the common control channel is a forward common control channel FCCCH.
Optionally, the application server 301 is further configured to count a current cache data length of the receiving terminal after receiving the data packet, set identification information for forcing the use of the short data burst mode in a specified field of the data packet when the current cache data length of the receiving terminal is not greater than a preset threshold, and then send the set data packet to the network element device 302.
According to the system for transmitting the small-flow data provided by the embodiment of the invention, when the terminal is in the dormant state, the service information can be transmitted through the shared common control channel without establishing a service channel, so that the utilization rate of channel resources is greatly improved.
Optionally, the network element device 302 is further configured to send service information to the base station controller 303 in a case that the specified field of the data packet does not include identification information for forcing the use of the short data burst mode, where the service information includes the second indication information and the data packet.
The base station controller 303 is further configured to send the data packet to the receiving terminal by using a traffic channel established with the receiving terminal according to the second indication information.
If a traffic channel is established between the base station controller and the receiving terminal, the base station controller can directly send the data packet to the receiving terminal by using the traffic channel. If a traffic channel is not established between the base station controller and the receiving terminal, the base station controller transmits the data packet to the receiving terminal by using the traffic channel after the traffic channel is successfully established between the base station controller and the receiving terminal.
The present invention is explained below by way of a specific example.
In the remote monitoring of the elevator, after the Data of the elevator is networked, generally, a DTU (Data Transfer unit) of the elevator is in a dormant state, and once the elevator breaks down, alarm information needs to be uploaded to a monitoring center within 30s so as to timely organize personnel for rescue.
As shown in fig. 4, the network element device is a PCF (Packet Control Function) device.
Step 401, the application server receives a data packet for an alarm.
Step 402, after receiving the data packet, the application server counts the current cache data length of the receiving terminal.
In step 403, the application server sets identification information forcing the use of the short data burst mode in a specified field of the data packet, for example, the last bit of the reserved bit of the TOS field of the IP layer of the data packet is identified as '1', when the current cache data length of the receiving terminal is not greater than the preset threshold value.
In step 404, the application server sends the set and processed Data Packet to a Packet Data Serving Node (PDSN).
In step 405, the PDSN sends the packet to the PCF.
In step 406, the PCF queries whether the specified field of the data packet includes the identification information for forcing the use of the short data burst mode after receiving the data packet.
Step 407, under the condition that the designated field of the data packet includes the identification information forcing the use of the short data burst mode, the PCF sends service information to the base station controller, wherein the service information includes the first indication information and the data packet.
And step 408, the base station controller transmits the data packet to the receiving terminal by using the FCCCH channel according to the first indication information.
By implementing the invention, when the terminal is in a dormant state, a service channel does not need to be established, and the service information can be transmitted through the shared common control channel, thereby greatly improving the utilization rate of channel resources. Compared with the traditional network scheme, the invention avoids the frequent establishment of the service channel in small flow, and can send the heartbeat packet only through the public pilot signaling channel, thereby saving a large amount of wireless resources.
Meanwhile, compared with the traditional terminal scheme, the method has better real-time performance, can keep the terminal on line for a long time, and can save a large amount of wireless resources without waiting for the terminal to wake up at regular time.
Under the background that the investment of 2G and 3G is restricted at present, the CDMA network element basically does not need to be changed, and the small-flow long online service in the EVDO and 1X networks can be realized only by configuring network parameters and optimizing the service flow. In addition, because the dependence on the terminal is weaker, the service is realized by centralized parameter configuration and software upgrading, and therefore, the service application range is wider.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A method for transmitting low-traffic data, comprising:
after receiving the data packet, the application server counts the current cache data length of the receiving terminal;
setting identification information forcing the use of a short data burst mode in a designated field of a data packet under the condition that the current cache data length of the receiving terminal is not more than a preset threshold value, and then sending the data packet subjected to setting processing to network element equipment;
after receiving a data packet provided by an application server, a network element device inquires whether a designated field of the data packet comprises identification information for forcibly using a short data burst mode;
under the condition that the appointed field of the data packet comprises identification information for forcibly using a short data burst mode, the network element equipment sends service information to a base station controller, wherein the service information comprises first indication information and the data packet;
and the base station controller transmits the data packet to the receiving terminal by using a common control channel according to the first indication information.
2. The method of claim 1,
under the condition that the appointed field of the data packet does not comprise identification information for forcibly using a short data burst mode, the network element equipment sends service information to a base station controller, wherein the service information comprises second indication information and the data packet;
and the base station controller sends the data packet to the receiving terminal by using a service channel established between the base station controller and the receiving terminal according to the second indication information.
3. The method of claim 2,
the step that the base station controller sends the data packet to the receiving terminal by using the service channel established between the base station controller and the receiving terminal comprises the following steps:
the base station controller judges whether a service channel is established between the base station controller and the receiving terminal;
under the condition that a service channel is established, the base station controller transmits the data packet to the receiving terminal by using the service channel;
under the condition that a service channel is not established, a base station controller and the receiving terminal establish the service channel;
and after the service channel is successfully established, the base station controller transmits the data packet to the receiving terminal by using the service channel.
4. The method according to any one of claims 1 to 3,
and the specified field of the data packet is a service type field of the IP layer of the data packet.
5. The method according to any one of claims 1 to 3,
the common control channel is a forward common control channel FCCCH.
6. A system for transmitting data with small flow rate, comprising an application server, a network element device, and a base station controller, wherein:
the application server is used for counting the current cache data length of the receiving terminal after receiving the data packet, setting identification information for forcibly using the short data burst mode in a designated field of the data packet under the condition that the current cache data length of the receiving terminal is not more than a preset threshold value, and then sending the data packet subjected to setting processing to the network element equipment;
the network element equipment is used for inquiring whether the specified field of the data packet comprises the identification information for forcibly using the short data burst mode after receiving the data packet provided by the application server; under the condition that the appointed field of the data packet comprises identification information for forcibly using a short data burst mode, service information is sent to a base station controller, wherein the service information comprises first indication information and the data packet;
and the base station controller is used for sending the data packet to the receiving terminal by using a common control channel according to the first indication information.
7. The system of claim 6, further comprising:
the network element equipment is also used for sending service information to the base station controller under the condition that the designated field of the data packet does not include identification information for forcibly using a short data burst mode, wherein the service information comprises second indication information and the data packet;
the base station controller is further configured to send the data packet to the receiving terminal by using a traffic channel established between the base station controller and the receiving terminal according to the second indication information.
8. The system of claim 7, further comprising:
the base station controller specifically judges whether a traffic channel is established between the base station controller and the receiving terminal, and under the condition that the traffic channel is established, the data packet is sent to the receiving terminal by using the traffic channel; and under the condition that a service channel is not established, establishing the service channel with the receiving terminal, and after the service channel is successfully established, transmitting the data packet to the receiving terminal by using the service channel.
9. The system according to any one of claims 6-8,
and the specified field of the data packet is a service type field of the IP layer of the data packet.
10. The system according to any one of claims 6-8,
the common control channel is a forward common control channel FCCCH.
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| CN201610557640.1A CN107623928B (en) | 2016-07-15 | 2016-07-15 | Method and system for transmitting small flow data |
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| CN1662093A (en) * | 2003-12-05 | 2005-08-31 | 摩托罗拉公司 | Method and apparatus reducing PTT call setup delays |
| KR20060039565A (en) * | 2004-11-03 | 2006-05-09 | 에스케이 텔레콤주식회사 | Method and system for providing sdb function by using broadcast channel in wibro network |
| CN1729638B (en) * | 2002-12-02 | 2010-09-22 | 高通股份有限公司 | Method and apparatus for mobile terminal short data burst communication |
| CN102088770A (en) * | 2009-12-04 | 2011-06-08 | 中兴通讯股份有限公司 | Method for transmitting small-flow wireless data and base station system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030153341A1 (en) * | 2002-02-14 | 2003-08-14 | Crockett Douglas M. | Server for initiating a group call in a group communication network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729638B (en) * | 2002-12-02 | 2010-09-22 | 高通股份有限公司 | Method and apparatus for mobile terminal short data burst communication |
| CN1662093A (en) * | 2003-12-05 | 2005-08-31 | 摩托罗拉公司 | Method and apparatus reducing PTT call setup delays |
| KR20060039565A (en) * | 2004-11-03 | 2006-05-09 | 에스케이 텔레콤주식회사 | Method and system for providing sdb function by using broadcast channel in wibro network |
| CN102088770A (en) * | 2009-12-04 | 2011-06-08 | 中兴通讯股份有限公司 | Method for transmitting small-flow wireless data and base station system |
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