CN112118597B - Multi-stream service transmission method and system - Google Patents
Multi-stream service transmission method and system Download PDFInfo
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- CN112118597B CN112118597B CN201910530561.5A CN201910530561A CN112118597B CN 112118597 B CN112118597 B CN 112118597B CN 201910530561 A CN201910530561 A CN 201910530561A CN 112118597 B CN112118597 B CN 112118597B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title abstract description 19
- 238000013468 resource allocation Methods 0.000 claims abstract description 28
- 230000003993 interaction Effects 0.000 claims description 5
- 230000011664 signaling Effects 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 description 12
- 238000012217 deletion Methods 0.000 description 9
- 230000037430 deletion Effects 0.000 description 9
- 238000007726 management method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
Abstract
The invention provides a method and a system for transmitting multi-stream service, comprising the following steps: respectively establishing uplink active service flows for each service flow in the multi-flow service; counting the business data volume of each business flow, and making and sending an uplink dynamic business flow report; receiving the dynamic service flow report, and carrying out resource allocation on the multi-flow service according to the flow report and combining current available resources; the data to be transmitted corresponding to each service flow is selected for transmission, so that the user can be allowed to use various services simultaneously, and the flexible and changeable requirements of the user are fully met.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and particularly relates to a transmission method and a system of multi-stream service.
Background
In modern communication systems, mobile data services have become the support of the communication industry, and the types of mobile data services are generally classified into mobile internet surfing, video monitoring, streaming media playing, and the like, so most mobile terminals MS (Mobile Station) only support the transmission of single-stream IP services, and in view of the development of the current mobile communication technology, it is necessary to support the scenario of multi-stream concurrent transmission.
The concurrency of the multi-stream service becomes a necessary choice for future users, namely, the users are allowed to use multiple services simultaneously, and the flexible and changeable requirements of the users are fully met. For example, in the case of one-sided internet, video may be downloaded at the same time, or web pages may be browsed during a telephone call.
Disclosure of Invention
In view of this, the present invention provides a method for transmitting multi-stream services, which can allow users to use multiple services simultaneously, and fully meet the flexible and changeable demands of users, and includes:
respectively establishing uplink active service flows for each service flow in the multi-flow service;
specifically, the establishing the uplink active service flow includes:
the mobile terminal receives a dynamic service flow establishment command sent by the upper computer, and a dynamic service flow context is locally established;
the mobile terminal establishes a first air interface message of the dynamic service flow and sends the first air interface message to a network side, wherein the first air interface message is used for notifying the network side to establish the dynamic service flow;
the network side receives the first air interface message and locally establishes a dynamic service flow context;
further, the service flow context includes: the service flow identifier FID, a data queue for temporarily storing uplink service flows, service data volume and service flow priority;
the mobile terminal, the network side and the upper computer confirm the completion of the establishment of the dynamic service flow through signaling interaction.
The mobile terminal receives the business flow data to be transmitted, which is sent by the upper computer, and caches the business flow data to the corresponding business flow data queue;
the uplink active traffic flow report includes: service flow identification FID, service flow priority, service flow data volume;
the mobile terminal counts the business data volume of each business flow and makes an uplink dynamic business flow report;
the network side receives an uplink dynamic service flow report sent by the mobile terminal, performs resource allocation according to the service flow priority and the service flow data volume by combining with the current available resources, and sends an uplink resource allocation message to the mobile terminal;
and the mobile terminal receives the uplink resource allocation message, determines the size of resources allocated by the service flows according to the resource allocation result, and selects data to be transmitted corresponding to each service flow for transmission.
Further, when a certain service flow M stops data transmission, deleting the corresponding dynamic service flow includes:
the upper computer sends an uplink service flow M deleting command to the mobile terminal;
the mobile terminal receives a service flow M deleting command, deletes the dynamic service flow context of the service flow M, constructs a second air interface message and sends the second air interface message to the network side, wherein the second air interface message is used for notifying the network side to delete the dynamic service flow M;
and the network side receives the second air interface message and deletes the dynamic service flow context of the service flow M.
The invention also provides a system for transmitting the multi-stream service, which comprises:
an upper computer, comprising:
the sending module is used for sending an uplink dynamic service flow establishment command and/or a dynamic service flow deletion command to the mobile terminal;
the sending module is further used for sending the service data stream to be sent to the mobile terminal;
the receiving module is used for receiving the dynamic service flow establishment completion message sent by the mobile terminal so as to confirm that the dynamic service flow establishment is completed.
A mobile terminal, comprising:
the receiving module is also used for receiving a dynamic service flow establishment command and/or a dynamic service flow deletion command sent by the upper computer;
the receiving module is also used for receiving the service flow data sent by the upper computer and caching the service flow data into a corresponding service flow data queue;
the service flow context management module is used for locally establishing the dynamic service flow context when receiving a dynamic service flow establishment command sent by the upper computer; when a dynamic service flow deleting command sent by the upper computer is received, deleting the corresponding dynamic service flow context;
the air interface message establishment module is used for establishing a first air interface message of the dynamic service flow, and the first air interface message is used for notifying a base station to establish the dynamic service flow;
the air interface message establishing module is further configured to establish a second air interface message of the dynamic service flow, where the second air interface message is used to notify the base station to delete the dynamic service flow;
the flow report establishing module is used for establishing an uplink dynamic service flow report according to the service data volume of the service flow; the uplink active traffic flow report includes: service flow identification FID, service flow priority, service flow data volume;
the sending module is used for carrying out signaling interaction with the base station and the upper computer so as to complete the establishment of the dynamic service flow and/or the dynamic service flow;
further, the sending module is configured to send the first air interface message to a base station when a dynamic service flow is established; when the dynamic service flow is deleted, a second air interface message is sent to the base station;
the sending module is further used for sending the uplink dynamic service flow report to the base station;
the sending module is further configured to send a service flow establishment confirmation message to the upper computer after the base station completes establishment of the service flow.
The receiving module is used for receiving a dynamic service flow establishment confirmation message sent by the base station;
the receiving module is further used for receiving an uplink resource allocation message sent by the base station;
and the processing module is used for determining the resource size allocated by the service flow according to the uplink resource allocation message, and selecting the data to be transmitted corresponding to each service flow for transmission.
A base station, comprising:
the receiving module is used for receiving a first air interface message, a second air interface message and an uplink dynamic service flow report sent by the mobile terminal;
the service flow context management module is used for locally establishing a dynamic service flow context after receiving a first air interface message sent by the mobile terminal; deleting the corresponding dynamic service flow context after receiving the second air interface message sent by the mobile terminal;
the resource allocation module is used for allocating resources by combining the current available resources according to the service flow priority and the service flow data volume;
the sending module is used for sending a service flow establishment confirmation message to the mobile terminal;
the sending module is further configured to send an uplink resource allocation message to the mobile terminal.
According to the transmission method and the transmission system for the multi-stream service, the uplink dynamic service flow is respectively established for the plurality of service flows, the flow report of the uplink dynamic service flow is established according to the service flow data quantity, and resource allocation is further carried out according to the flow report of the uplink dynamic service flow, so that the multi-stream service is transmitted through one data packet, meanwhile, the service flows can be preferentially selected to be transmitted according to the service flow priority and the available resource condition of the system, the requirements of different service flows and system resources are met, and the user experience is improved.
To the accomplishment of the foregoing and related ends, the one or more embodiments comprise the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects and are indicative of but a few of the various ways in which the principles of the various embodiments may be employed. Other benefits and novel features will become apparent from the following detailed description when considered in conjunction with the drawings, the disclosed embodiments are intended to include all such aspects and their equivalents.
Drawings
Fig. 1 is a flow chart of a transmission method of a multi-stream service provided by the invention;
fig. 1a is a flowchart of an uplink traffic stream establishment method according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of constructing an uplink MAC packet according to uplink resource allocation information provided in an embodiment of the present invention;
fig. 3 is a block diagram of a multi-stream service transmission system according to a second embodiment of the present invention.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. These embodiments of the invention may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed.
Example 1
The invention provides a transmission method of multi-stream service, as shown in figure 1, comprising the following steps:
s101, respectively establishing uplink dynamic service flows for each service flow in the multi-flow service;
further, the dynamic service flow establishing process comprises the following steps:
101a, an upper computer sends an uplink dynamic service flow establishment command to a mobile terminal;
101b, the mobile terminal receives the dynamic service flow establishment command and locally establishes a dynamic service flow context;
the dynamic traffic flow context includes: the service flow FID is used for temporarily storing information such as a data queue of an uplink service flow, a service flow priority and the like;
101c, the mobile terminal establishes a first air interface message of the dynamic service flow, and sends the first air interface message to a network side, wherein the first air interface message is used for notifying the network side to establish the dynamic service flow;
and the first air interface message is sent to the network side through the mobile air interface.
101d, the network side receives the first air interface message and locally establishes a dynamic service flow context;
it should be noted that, the dynamic service flow context established by the network measurement includes: the service flow FID is used for temporarily storing information such as a data queue of an uplink service flow, a service flow priority and the like;
the network side sends a dynamic service flow establishment confirmation message to the mobile terminal.
101e, the mobile terminal, the network side and the upper computer confirm the completion of the establishment of the dynamic service flow through signaling interaction; in particular, the method comprises the steps of,
the mobile terminal receives a dynamic service flow establishment confirmation message sent by the network measurement, and sends the dynamic service flow establishment confirmation message to the upper computer;
and the upper computer receives the dynamic service flow establishment confirmation message sent by the mobile terminal and confirms that the establishment of the dynamic service flow is completed.
When the transmission of data of a certain service flow M stops, the corresponding dynamic service flow is deleted, and in particular,
1) The upper computer initiates an uplink dynamic service flow M deleting command to the mobile terminal, the mobile terminal receives the service flow M deleting command and locally deletes the established dynamic service flow M context;
2) The mobile terminal constructs a second air interface message and sends the second air interface message to the network side, wherein the second air interface message is used for notifying the network side to delete the dynamic service flow M; the second air interface message is sent to the network side through a mobile air interface;
3) The network side receives the second air interface message, locally deletes the context of the dynamic service flow, and confirms that the deletion of the dynamic service flow is completed to the mobile terminal; after receiving the dynamic service flow deletion confirmation message from the network side, the mobile terminal sends the dynamic service flow deletion confirmation message to the upper computer to confirm that the deletion of the upper dynamic service flow is completed.
S102, counting the service data volume of each service flow, and making and sending an uplink dynamic service flow report;
further, the steps include:
s102a, the mobile terminal receives a to-be-transmitted service stream data stream sent by an upper computer, and caches the to-be-transmitted service stream data stream into a data queue of a corresponding service stream to wait for sending according to a service stream identifier (FID);
s102b, the mobile terminal counts the service data volume of each service flow and makes an uplink dynamic service flow report; the uplink active traffic flow report includes: service flow identification FID, service flow priority, service flow data volume.
S102c, the mobile terminal sends the uplink dynamic service flow report to a network side.
S103, the network side receives the dynamic service flow report, and performs resource allocation on the multi-stream service according to the uplink dynamic service flow report and combining with the current available resources;
after receiving a flow measurement report fed back by the mobile terminal, the network side distributes available resources to each service flow according to the priority and the flow size corresponding to each service flow FID;
preferably, the resource allocation executes a priority scheduling priority policy, firstly considers the priority of the service flow, ensures that the service with extremely high priority is sent preferentially, and then allocates the rest of resources to the service flow with low priority.
Optionally, the format of the uplink resource allocation message is:
| fields | Field value | Field description |
| FID | 1-15 | Flow identification |
| Priority | 1-10 | Priority level |
| GR | 0-63 | Flow rate range 0-12800KBytes |
S104, selecting data to be transmitted corresponding to each service flow FID to transmit according to a resource allocation result; in particular, the method comprises the steps of,
s104a, the mobile terminal determines the size of resources allocated by each FID according to an uplink resource allocation message sent by a network side, and starts to select data to be sent corresponding to each FID;
s104b, the mobile terminal constructs an uplink MAC data packet, and loads the data packets of the selected different service flows to an MAC PDU payload;
it should be noted that, the MAC PDU payload may simultaneously carry a plurality of different service data flow information; and carrying the selected multi-service stream data into the data packet so as to realize the simultaneous transmission of the multi-service data.
Application examples
In this embodiment, the network side takes the base station as an example, and the band transmission service flow includes: the voice service and the uploading file service are to be transmitted, and two paths of different service data flows are taken as an example to illustrate the specific implementation process:
s201, according to the step S101, the mobile terminal respectively establishes two uplink dynamic service flows for the voice service and the file service; the specific steps are the same as S101, and will not be described again here;
s202, the upper computer sends data of two paths of service data flows to the mobile terminal;
s203, the mobile terminal receives two paths of service flow data, counts the service data volume of the two service flows, and makes an uplink dynamic service flow report according to the service data volume information;
the uplink active traffic flow report includes: service flow identification FID, service flow priority, service flow data volume;
the dynamic traffic flow is reported as follows:
it should be noted that, the voice service FID is 1, and the uploading file service FID is 2;
| fields | Field value | Field description |
| FID | 1 | Stream identification 1 |
| Priority | 1 | Priority of 1 |
| buffer occupy | 0 | Flow rate range 0-200KBytes |
| FID | 2 | Stream identification 2 |
| Priority | 5 | Priority of 5 |
| buffer occupy | 10 | Flow rate range 2000-2200KBytes |
And the mobile terminal sends the dynamic service flow report to the base station.
S204, the base station receives the dynamic service flow report and allocates resources according to the currently available resources and the priority scheduling strategy;
the available resources are available bandwidths, priority is given priority, and under the condition that the resources are limited, the resources are preferentially allocated to the service with high priority; as can be seen from the dynamic service flow report, the priority of the voice service FID1 is 1, and the priority of the uploading file service FID2 is 5;
if the current base station has only 1200Bytes of available resources, the base station firstly allocates 200Bytes of resources to meet the service requirement of the user FID1 (gr=1, 200 kbytes) according to the priority scheduling priority policy, ensures that the service with extremely high priority is preferentially transmitted, then allocates the remaining 1000Bytes of resources to the FID2 service with low priority, allocates the service flow resources (gr=5, 1000 kbytes) of the file uploading service fid=2, and specifically allocates related resources as follows:
| fields | Field value | Field description |
| FID | 1 | Stream identification 1 |
| Priority | 1 | Priority of 1 |
| GR | 1 | The allocated resources are 200KBytes |
| FID | 2 | Flow identification |
| Priority | 5 | Priority of 5 |
| GR | 5 | The allocated resources are 1000KBytes |
S205, the mobile terminal constructs an uplink MAC data packet according to uplink resource allocation information, and places two business flow data information into an MAC PDU payload:
as shown in fig. 2, according to the base station resource allocation information, two PDUs (200 Kbytes) are taken from the FID1 queue, put into the MAC PDU payload, then one PDU (1000 Kbytes) is taken from the FID2 queue, and then the next PDU is connected in series to the MAC PDU payload to construct an uplink MAC packet, so as to realize the simultaneous transmission of voice service and file uploading service data stream.
Example two
The invention provides a transmission system of multi-stream service, comprising:
an upper computer 310, comprising:
a sending module 311, configured to send an uplink dynamic service flow establishment command and/or a dynamic service flow deletion command to the mobile terminal;
the sending module 311 is further configured to send a service data stream to be sent to a mobile terminal;
the receiving module 312 is configured to receive a dynamic service flow setup complete message sent by the mobile terminal, so as to confirm that the dynamic service flow setup is completed.
A mobile terminal 320, comprising:
the receiving module 321 is configured to receive a dynamic service flow establishment command and/or a dynamic service flow deletion command sent by the upper computer, where the receiving module 321 is configured to receive the dynamic service flow establishment command and/or the dynamic service flow deletion command;
the receiving module 321 is further configured to receive service flow data sent by the upper computer, and buffer the service flow data to a corresponding service flow data queue;
the receiving module 321 is further configured to receive a dynamic service flow establishment confirmation message sent by the base station;
the receiving module 321 is further configured to receive an uplink resource allocation message sent by the base station;
the service flow context management module 322 is configured to locally establish a dynamic service flow context when receiving a dynamic service flow establishment command sent by the upper computer; when a dynamic service flow deleting command sent by the upper computer is received, deleting the corresponding dynamic service flow context;
an air interface message establishing module 323, configured to establish a first air interface message of a dynamic service flow, where the first air interface message is used to inform a base station to establish the dynamic service flow;
the air interface message establishing module 323 is further configured to establish a second air interface message of the dynamic service flow, where the second air interface message is used to notify the base station to delete the dynamic service flow;
a traffic report establishing module 324, configured to establish an uplink active traffic flow report according to traffic data of the traffic flow; the uplink active traffic flow report includes: service flow identification FID, service flow priority, service flow data volume;
the sending module 325 is configured to perform signaling interaction with the base station and the upper computer to complete dynamic traffic flow establishment and/or dynamic traffic flow;
the sending module 325 is configured to send the first air interface message to a base station when a dynamic service flow is established; when the dynamic service flow is deleted, a second air interface message is sent to the base station;
the sending module 325 is further configured to send an uplink active traffic flow report to the base station;
the sending module 325 is further configured to send a service flow establishment confirmation message to the upper computer after the base station completes the service flow establishment.
And a processing module 326, configured to determine a resource size allocated to the service flow according to the uplink resource allocation message, and select data to be sent corresponding to each service flow to send.
A base station 330, comprising:
the receiving module 331 is configured to receive a first air interface message sent by the mobile terminal, a second air interface message, and an uplink active traffic flow report;
the service flow context management module 332 is configured to locally establish a dynamic service flow context after receiving the first air interface message sent by the mobile terminal; deleting the corresponding dynamic service flow context after receiving the second air interface message sent by the mobile terminal;
a resource allocation module 333, configured to allocate resources in combination with currently available resources according to the traffic priority and the traffic data volume;
further, the resource allocation module 333 allocates available resources to each service flow according to the priority and the flow size corresponding to each service flow FID according to the flow measurement report fed back by the mobile terminal;
preferably, the resource allocation executes a priority scheduling priority policy, firstly considers the priority of the service flow, ensures that the service with extremely high priority is sent preferentially, and then allocates the rest of resources to the service flow with low priority.
A sending module 334, configured to send a service flow establishment confirmation message to the mobile terminal;
the sending module 334 is further configured to send an uplink resource allocation message to the mobile terminal.
Those of skill in the art will appreciate that the various illustrative method steps and apparatus elements described herein in connection with the disclosed embodiments may be implemented as electronic hardware, software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative steps and elements have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method described in connection with the above disclosed embodiments may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a subscriber station. In an alternative embodiment, the processor and the storage medium may reside as discrete components in a subscriber station.
The embodiments disclosed may enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope or spirit of the invention. The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, but any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (1)
1. A method for transmitting a multi-stream service, comprising: respectively establishing uplink active service flows for each service flow in the multi-flow service; counting the business data volume of each business flow and making an uplink dynamic business flow report; according to the uplink dynamic service flow report, combining the current available resources to allocate resources to the multi-stream service; according to the resource allocation result, selecting data to be transmitted corresponding to each service flow to transmit, and establishing an uplink active service flow, including: the mobile terminal receives a dynamic service flow establishment command sent by the upper computer, and a dynamic service flow context is locally established; the mobile terminal establishes a first air interface message of the dynamic service flow and sends the first air interface message to a network side, wherein the first air interface message is used for notifying the network side to establish the dynamic service flow; the network side receives the first air interface message and locally establishes a dynamic service flow context; the mobile terminal, the network side and the upper computer confirm the completion of the establishment of the dynamic service flow through signaling interaction; the service flow context includes: the service flow identifier FID, a data queue for temporarily storing uplink service flows, service data volume and service flow priority; before the mobile service flow report is generated, the method further comprises: the mobile terminal receives the business flow data to be transmitted, which is sent by the upper computer, and caches the business flow data to the corresponding business flow data queue; the uplink active traffic flow report includes: service flow identification FID, service flow priority, service flow data volume; the network side receives an uplink dynamic service flow report sent by the mobile terminal, performs resource allocation according to the service flow priority and the service flow data volume by combining with the current available resources, and sends an uplink resource allocation message to the mobile terminal; the mobile terminal receives the uplink resource allocation message, determines the size of resources allocated by the service flows, and selects data to be transmitted corresponding to each service flow to transmit.
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