WO2014194504A1 - Procédé, dispositif et système pour la mise en œuvre d'une antémémoire de réseau mobile à bande large - Google Patents

Procédé, dispositif et système pour la mise en œuvre d'une antémémoire de réseau mobile à bande large Download PDF

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Publication number
WO2014194504A1
WO2014194504A1 PCT/CN2013/076847 CN2013076847W WO2014194504A1 WO 2014194504 A1 WO2014194504 A1 WO 2014194504A1 CN 2013076847 W CN2013076847 W CN 2013076847W WO 2014194504 A1 WO2014194504 A1 WO 2014194504A1
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Prior art keywords
network device
air interface
packet
core network
cache
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PCT/CN2013/076847
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English (en)
Chinese (zh)
Inventor
王海洋
郭晓阳
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华为技术有限公司
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Priority to PCT/CN2013/076847 priority Critical patent/WO2014194504A1/fr
Priority to CN201380000625.1A priority patent/CN103563439B/zh
Publication of WO2014194504A1 publication Critical patent/WO2014194504A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/321—Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers

Definitions

  • the present application relates to the field of communications, and in particular, to a method, device and system for implementing a mobile broadband network cache.
  • the data can be cached on the base station, the radio network controller, or the core network device, the next time the mobile terminal needs to request the data, the data can be directly read from the cache. It is not necessary to request data from the external network, which can reduce the bandwidth requirement between the core network device and the external network, and speed up the network access speed.
  • the Cache is set on the core network device side, and the coverage of the core network device is usually an urban area. Therefore, the Cache hit rate is relatively high, the charging is completed in itself, and no additional overhead is generated, and the mobile terminal needs to perform core. The chances of switching network devices are very low.
  • data transmission between the core network and the mobile terminal can only be performed at a fixed code rate.
  • the technical problem to be solved by the present application is to provide a method, device and system for implementing a mobile broadband network cache, which can sense the air interface state and adjust the code rate.
  • the first aspect of the present application provides a method for implementing a mobile broadband network cache, which includes the following steps: receiving a first packet sent by a mobile terminal, and sending the first packet to a core network device according to the first packet. a second packet, wherein the second packet carries air interface state information, where the air interface state information is used when the core network device detects that the cache memory has service data requested by the mobile terminal, and sends the message to the
  • the cache memory is configured to adjust the code rate of the service data according to the air interface state information.
  • the second packet includes a general packet radio service tunnel protocol packet, or an internet protocol packet, or a hypertext transmission protocol packet. .
  • the air interface state information is obtained by classifying the air interface quality according to the detected air interface quality data.
  • the second aspect of the present application provides a method for implementing a mobile broadband network cache, which includes the following steps: receiving a packet sent by a radio access network device, where the packet includes air interface state information; Transmitting the air interface status information to a cache memory for the cache memory to adjust a code rate of the service data according to the air interface status information.
  • the packet includes a general packet radio service tunnel protocol packet, or an internet protocol packet, or a hypertext transfer protocol packet.
  • the third aspect of the present application provides a radio access network device, including: a receiving unit and a sending unit, where the receiving unit is configured to receive a first packet sent by the mobile terminal; The second packet is sent to the core network device according to the first packet, where the second packet carries the air interface state information, where the air interface state information is used by the core network device to detect the cache.
  • the memory has the service data requested by the mobile terminal, the memory is sent to the cache memory, so that the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the second packet includes a general packet radio service tunnel protocol packet, or an internet protocol packet, or a hypertext transmission protocol packet. .
  • the air interface state information is obtained by classifying the air interface quality according to the detected air interface quality data.
  • the fourth aspect of the present application provides a core network device, where the core network device includes: a GPRS service support node and a gateway GPRS support node, including: a receiving unit, an obtaining unit, and a sending unit, and the receiving unit
  • the method is configured to receive a packet sent by a radio access network device, where the packet includes air interface status information, where the acquiring unit is configured to obtain the air interface status from the packet received by the receiving unit.
  • the sending unit is configured to send the air interface state information acquired by the acquiring unit to a cache memory, so that the cache memory adjusts a code rate of the service data according to the air interface state information.
  • the packet includes a general packet radio service tunnel protocol packet, an internet protocol packet, or a hypertext transfer protocol packet.
  • the cache is integrated in a core network device.
  • the cache memory is disposed outside a core network device, and the cache memory is directly connected to the core network device.
  • a fifth aspect of the present application provides a radio access network device, including: a receiver and a transmitter, where the receiver is configured to receive a first packet sent by a mobile terminal; The first packet sends a second packet to the core network device, where the second packet carries the air interface state information, and the air interface state information is detected by the core network device, and the cache memory has the service data requested by the mobile terminal. And transmitting to the cache memory, so that the cache adjusts a code rate of the service data according to the air interface state information.
  • the second packet includes a general packet radio service tunnel protocol packet, or an internet protocol packet, or a hypertext transmission protocol packet. .
  • the air interface state information is obtained by classifying the air interface quality according to the detected air interface quality data.
  • the sixth aspect of the present application provides a core network device, where the core network device includes: a GPRS service support node and a gateway GPRS support node, including: a receiver, a processor, and a transmitter, where the receiver uses Receiving a packet sent by the radio access network device, where the packet includes air interface state information; the processor acquires the air interface state information from the packet received by the receiver; The transmitter is configured to send the air interface state information acquired by the processor to a cache memory, where the cache memory adjusts a code rate of the service data according to the air interface state information.
  • the packet includes a general packet radio service tunnel protocol packet, or an internet protocol packet, or a hypertext transfer protocol packet.
  • the cache memory is integrated in a core network device.
  • the cache memory is disposed outside a core network device, and the cache memory is directly connected to the core network device.
  • the seventh aspect of the present application provides a mobile broadband network cache implementation method, including the following steps: receiving air interface state information sent by a core network device, where the air interface state information is determined by a wireless access network The device detects and transmits to the cache through the core network device, and adjusts a code rate of the service data according to the air interface state information, where the code rate is a mobile terminal and the cache memory transmitting the service data in a unit time. The number of bits.
  • the eighth aspect of the present application provides a cache memory, including: a receiving unit and an adjusting unit, where the receiving unit is configured to receive air interface state information sent by a core network device, where the air interface state information is Detecting by the radio access network device and transmitting to the cache through the core network device; the adjusting unit is configured to adjust a code rate of the service data according to the air interface state information received by the receiving module, where the code rate is mobile The number of bits that the terminal and the cache transfer the service data in unit time.
  • a ninth aspect of the present application provides a cache memory, including: a receiver and a processor, the receiver is configured to receive air interface state information sent by a core network device, where the air interface state information is The radio access network device detects and transmits to the cache through the core network device; the processor is configured to adjust a code rate according to the air interface state information, where the code rate is transmitted by the mobile terminal and the cache memory in a unit time The number of bits that send service data.
  • a tenth aspect of the present application provides a mobile broadband network cache implementation method, including the following steps: sending a first packet request service data to a radio access network device; receiving a cache access through a radio access The service data sent by the network device, wherein the code rate of the service data is determined by the cache according to the air interface state information, and the air interface state information is that the radio access network device detects the air interface quality data to perform the air interface quality. Grading is obtained and sent to the cache through the core network device.
  • the eleventh aspect of the present application provides a mobile terminal, including a sending unit and a receiving unit, where the sending unit is configured to send a first packet request service data to a radio access network device; Receiving, by the cache, the service data sent by the radio access network device, where the code rate of the service data is a mobile terminal and a high speed determined by the cache according to the air interface state information obtained by the first packet.
  • the buffer memory transmits the number of bits of the service data transmitted in a unit time, and the air interface state information is obtained by classifying the air interface quality according to the detected air interface quality data.
  • a twelfth aspect of the present application provides a mobile terminal, including a transmitter and a receiver, where the transmitter is configured to send a first packet request service data to a radio access network device; the receiver is used to Receiving, by the cache, the service data sent by the radio access network device, where the code rate of the service data is determined by the cache air interface state information, and the air interface state information is detected by the radio access network device.
  • the air interface quality data is obtained by grading the air interface quality and sent to the cache through the core network device.
  • the thirteenth aspect of the present application provides a mobile broadband network cache implementation system, including a mobile terminal, a radio access network device, a core network device, a cache memory, and a server, where the core network device includes a GPRS service support node and a gateway GPRS support node, the mobile terminal communicating with the radio access network device, the radio access network device communicating with the core network device, the core network device communicating with the server
  • the cache memory is integrated in the core network device, or the cache memory is disposed outside the core network device, but is directly connected to the core network device, wherein the wireless access network device A radio access network device as claimed in any of the preceding claims.
  • the core network device is the core network device according to any one of the foregoing.
  • the cache is the cache according to any one of the foregoing Memory.
  • the mobile terminal is Mobile terminal.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 1 is a schematic structural diagram of an implementation manner of a mobile broadband network cache memory implementation system of the present application
  • FIG. 2 is a flowchart of an implementation manner of a method for implementing a mobile broadband network cache memory according to the present application
  • FIG. 3 is a flowchart of another embodiment of a method for implementing a mobile broadband network cache memory according to the present application
  • FIG. 4 is a schematic structural diagram of an implementation manner of a radio access network device according to the present application.
  • FIG. 5 is a schematic structural diagram of an embodiment of a core network device according to the present application.
  • FIG. 6 is a schematic structural diagram of another embodiment of a radio access network device according to the present application.
  • FIG. 7 is a schematic structural diagram of another embodiment of a core network device of the present application.
  • FIG. 8 is a flowchart of still another embodiment of a method for implementing a mobile broadband network cache memory according to the present application.
  • FIG. 9 is a schematic structural diagram of an embodiment of a cache memory of the present application.
  • FIG. 10 is a schematic structural diagram of another embodiment of a cache memory of the present application.
  • FIG. 11 is a flowchart of still another embodiment of a method for implementing a mobile broadband network cache of the present application.
  • FIG. 12 is a schematic structural diagram of an embodiment of a mobile terminal according to the present application.
  • FIG. 13 is a schematic structural diagram of another embodiment of a mobile terminal according to the present application.
  • FIG. 1 is a schematic structural diagram of an implementation manner of a mobile broadband network cache implementation system of the present application.
  • the mobile broadband network cache implementation system of the present embodiment includes at least one mobile terminal 110, a radio access network device 120, a core network device 140, a cache memory 150, and a server 160.
  • the core network device 140 includes: a GPRS service support node (Serving) GPRS Support Node, SGSN) and Gateway GPRS Support Node (Gateway GPRS Support) Node, GGSN), the mobile terminal 110 communicates with the radio access network device 120, the radio access network device 120 communicates with the core network device 140, the core network 140 device communicates with the server 160, and the cache memory 150 is integrated into the core network device 140.
  • GPRS service support node Server
  • SGSN GPRS Support Node
  • GGSN Gateway GPRS Support Node
  • the cache device 150 is placed outside of the core network device 140 but is connected to the core network device 140.
  • the radio access network device 120 may include a base station, a radio network controller, or a device that integrates the functions of the base station and the radio network controller.
  • the base station may be a base station or a radio network controller.
  • the LTE system can be an evolved NodeB or the like.
  • the core network device 140 applies for service data to the server 160 and establishes a service data flow with the server 160. After the core network device 140 applies for the service data to the server 160, the service data is stored in the cache memory 150 for use by the mobile terminal 110 under the management of the core network device 140 to apply for the same service data next time. .
  • the radio access network device 120 receives the first packet sent by the mobile terminal 110. After receiving the first packet, the radio access network device 120 encapsulates the detected air interface status information between the mobile terminal 110 and the radio access network device 120 in the second packet, and sends the information to the core network device 140, where the air interface is The status information may be detected when the first message is received, or may be detected before the first message is received. The air interface state information is encapsulated in the second packet, and may be encapsulated in an extension field of the second packet. When the core network device 140 detects that the cache memory 150 has the service data requested by the mobile terminal 110, the air interface state information is sent to the cache memory 150.
  • the core network device 140 The air interface state information is directly sent to the cache memory 150.
  • the core network device 140 may encapsulate the air interface state information in the third message and send it to the cache memory 150. .
  • the cache memory 150 adjusts the code rate according to the air interface state information. When the air interface state information is greater than or equal to the first threshold, the code rate is increased. When the air interface state information is smaller than the second threshold, the code rate is decreased, where the first threshold is greater than or equal to Second threshold.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal 110 and the cache memory 150. Thereafter, the mobile terminal 110 and the cache memory 150 perform service data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 2 is a flowchart of an implementation manner of a method for implementing a mobile broadband network cache memory according to the present application.
  • the mobile broadband network cache implementation method of the present embodiment includes the following steps:
  • the radio access network device receives the first packet sent by the mobile terminal.
  • the mobile terminal When the mobile terminal needs to apply for service data, the mobile terminal sends the first packet to the radio access network device. After receiving the first packet, the radio access network device encapsulates the detected air interface status information between the mobile terminal and the radio access network device in the second packet, and sends the information to the core network device, where the air interface status information may be When the first packet is received, it may be detected before being received, and encapsulated in the first packet.
  • the radio access network device sends a second packet to the core network device according to the first packet, where the second packet carries air interface state information, where the air interface state information is used by the core network device to detect the cache.
  • the second packet carries air interface state information, where the air interface state information is used by the core network device to detect the cache.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the radio access network device encapsulates the air interface status information obtained by the first packet into the second packet.
  • the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device according to the first packet, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information.
  • the hierarchical rating method can be agreed upon by itself. For example, the agreed level 5 is excellent, the fourth level is good, the third level is medium, the second level is poor, the first level is very poor, and so on.
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the radio access network device sends a second packet to the core network device according to the first packet received from the mobile terminal, and carries the air interface state information in the second packet.
  • One of the methods is: the radio access network device encapsulates the air interface state information in an extension field of the second packet.
  • the second message may be a general packet radio service (GPRS, General) Packet Radio Service (GTP, GPRS Tunnel Protocol) message, Internet Protocol (IP, Internet) Protocol) Message or Hypertext Transfer Protocol (HTTP) message, etc.
  • GPRS General packet radio service
  • GTP General Packet Radio Service
  • IP Internet Protocol
  • HTTP Hypertext Transfer Protocol
  • the second packet is a GTP packet
  • the air interface state information can be encapsulated in the GPRS tunneling protocol of the user plane (GTP-U, GPRS).
  • GTP-U GPRS tunneling protocol of the user plane
  • GTP-U GPRS tunneling protocol of the user plane
  • ECN Explicit Congestion
  • the notification field encapsulates the air interface state information in the ECN field.
  • the second packet is an HTTP packet, and the air interface state information can be encapsulated in the HTTP extension header field.
  • the radio access network device sends the encapsulated second packet to the core network device.
  • the core network device obtains the air interface status information from the second packet.
  • the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface state information is sent to the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 3 is a flowchart of another embodiment of a method for implementing a mobile broadband network cache memory according to the present application.
  • the core network device includes: a GPRS service support node and a gateway GPRS support node.
  • the mobile broadband network cache implementation method of this embodiment includes the following steps:
  • the core network device receives the packet sent by the radio access network device.
  • the packet includes air interface status information.
  • the core network device obtains air interface status information from the packet.
  • the packet includes a GTP packet, an IP packet, or a hypertext transmission protocol packet.
  • the second packet is a GTP packet, and the air interface state information can be obtained from the GTP-U header field.
  • the second packet is an IP packet, and the air interface can be obtained from the ECN field of the rewritten IP header.
  • Status information for example, the second packet is an HTTP packet, and the air interface status information can be obtained in the HTTP extension header field.
  • the core network device sends the air interface state information to the cache memory, so that the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the air interface state information is sent to the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate of the service data is increased.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 4 is a schematic structural diagram of an implementation manner of a radio access network device according to the present application.
  • the radio access network device of the present application includes: a receiving unit 410 and a sending unit 430.
  • the receiving unit 410 is configured to receive the first packet sent by the mobile terminal.
  • the mobile terminal when the mobile terminal needs to apply for service data, the mobile terminal sends the first packet to the radio access network device.
  • the receiving unit 410 After receiving the first packet, the receiving unit 410 encapsulates the detected air interface state information between the mobile terminal and the radio access network device in a second packet and sends the information to the core network device, where the air interface state information may be received.
  • the first packet When the first packet is detected, it may be detected before the first packet is received, and is encapsulated in the first packet.
  • the sending unit 430 is configured to send the second packet to the core network device according to the first packet received by the receiving unit 410.
  • the second packet includes air interface state information, and when the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface state information is sent to the cache memory, so that the cache memory is based on the air interface state information. Adjust the bit rate of business data.
  • the radio access network device encapsulates the air interface status information obtained by the first packet into the second packet.
  • the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device according to the first packet, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information.
  • the hierarchical rating method can be agreed upon by itself. For example, the agreed level 5 is excellent, the fourth level is good, the third level is medium, the second level is poor, the first level is very poor, and so on.
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the sending unit 430 sends a second packet to the core network device according to the first packet received from the mobile terminal, and carries the air interface state information in the second packet.
  • the radio access network device can carry the air interface state information in the second packet in multiple manners, for example, encapsulating the air interface state information in the extension field of the second packet.
  • the second packet includes a GTP packet, an IP packet, or a hypertext transmission protocol packet.
  • the second packet is a GTP packet, and the air interface state information may be encapsulated in the GTP-U header field.
  • the second packet is an IP packet, and the ECN field of the IP header may be rewritten to encapsulate the air interface state information.
  • the second packet is an HTTP packet
  • the air interface state information may be encapsulated in an HTTP extension header field.
  • the sending unit 430 sends the encapsulated second packet to the core network device.
  • the core network device detects that the cache memory has the service data requested by the mobile terminal
  • the air interface state information is sent to the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate of the service data is increased.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 5 is a schematic structural diagram of an embodiment of a core network device according to the present application.
  • the core network equipment includes: a GPRS service support node and a gateway GPRS support node.
  • the cache memory is integrated in the core network device or the cache memory is disposed outside the core network device and directly connected to the core network device.
  • the core network device of this embodiment includes: a receiving unit 510, an obtaining unit 520, and a sending unit 530.
  • the receiving unit 510 is configured to receive a packet sent by the radio access network device.
  • the packet includes air interface status information.
  • the obtaining unit 520 is configured to obtain air interface state information from the packet received by the receiving unit 510.
  • the packet includes a GTP packet, an IP packet, or a hypertext transmission protocol packet.
  • the second packet is a GTP packet, and the obtaining unit 520 can obtain the air interface state information from the GTP-U header field.
  • the second packet is an IP packet, and the obtaining unit 520 can obtain the IP header from the rewritten.
  • the air interface state information is obtained in the ECN field.
  • the second packet is an HTTP packet, and the obtaining unit 520 can obtain the air interface state information in the HTTP extension header field.
  • the sending unit 530 is configured to send the air interface state information acquired by the obtaining unit 520 to the cache memory, so that the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the sending unit 530 sends the air interface state information to the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate of the service data is increased.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 6 is a schematic structural diagram of another embodiment of a radio access network device according to the present application.
  • the radio access network device of this embodiment includes a receiver 610, a processor 620, a transmitter 630, a random access memory 640, a read only memory 650, and a bus 660.
  • the processor 620 is coupled to the receiver 610, the transmitter 630, the random access memory 640, and the read only memory 650 via a bus 660.
  • the wireless access network device needs to be operated, the basic input/output system solidified in the read-only memory 650 or the bootloader booting system in the embedded system is started to guide the wireless access network device to enter a normal running state.
  • the application and operating system are run in the random access memory 640 such that:
  • the receiver 610 is configured to receive the first packet sent by the mobile terminal.
  • the mobile terminal when the mobile terminal needs to apply for service data, the mobile terminal sends the first packet to the radio access network device.
  • the receiver 610 After receiving the first packet, the receiver 610 encapsulates the detected air interface state information between the mobile terminal and the radio access network device in the second packet and sends the information to the core network device, where the air interface state information may be received.
  • the first packet When the first packet is detected, it may be detected before the first packet is received, and is encapsulated in the first packet.
  • the processor 620 is configured to send, according to the first packet received by the receiver 610, the transmitter 630, according to the first packet received by the receiver 610, to send a second packet to the core network device, where the second packet carries the air interface.
  • Status information when the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface status information is sent to the cache memory, so that the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the air interface status information is detected by the radio access network device. For example, the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information.
  • the hierarchical rating method can be agreed upon by itself.
  • the agreed level 5 is excellent
  • the fourth level is good
  • the third level is medium
  • the second level is poor
  • the first level is very poor
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the transmitter 630 is configured to send the second packet to the core network device according to the requirement of the processor 620.
  • the transmitter 630 sends a second packet to the core network device according to the first packet received from the mobile terminal, and carries the air interface state information in the second packet.
  • the radio access network device can carry the air interface state information in the second packet in multiple manners, for example, encapsulating the air interface state information in the extension field of the second packet.
  • the second packet includes a GTP packet, an IP packet, or a hypertext transmission protocol packet.
  • the second packet is a GTP packet
  • the processor 620 may encapsulate the air interface status information in the GTP-U header field.
  • the second packet is an IP packet, and the processor 620 may rewrite the ECN field of the IP header.
  • the air interface state information is encapsulated in the ECN field.
  • the second packet is an HTTP packet, and the processor 620 may encapsulate the air interface state information in the HTTP extension header field.
  • the transmitter 630 sends the encapsulated second packet to the core network device.
  • the core network device obtains the air interface status information from the second packet.
  • the air interface state information is sent to the cache memory.
  • the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface state information is sent to the cache memory, so that the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the air interface state information is greater than or equal to the first threshold, the code rate of the service data is increased.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 7 is a schematic structural diagram of another embodiment of a core network device according to the present application.
  • the core network device in this embodiment includes: a GPRS service support node and a gateway GPRS support node.
  • the core network device of this embodiment includes a receiver 710, a processor 720, a transmitter 730, a random access memory 740, a read only memory 750, and a bus 760.
  • the processor 720 is coupled to the receiver 710, the transmitter 730, the random access memory 740, and the read only memory 750 via the bus 760.
  • the basic input/output system in the read-only memory 750 or the bootloader boot system in the embedded system is booted to boot the core network device into a normal running state.
  • the application and operating system are run in random access memory 740 such that:
  • the receiver 710 is configured to receive a packet sent by the radio access network device.
  • the packet includes air interface status information.
  • the processor 720 is configured to obtain air interface status information from the message received by the receiver 710.
  • the packet includes a GTP packet, an IP packet, or a hypertext transmission protocol packet.
  • the second message is a GTP message, and the processor 720 can obtain the air interface status information from the GTP-U header field; for example, the second message is an IP message, and the processor 720 can be from the rewritten IP header.
  • the air interface state information is obtained in the ECN field.
  • the second packet is an HTTP packet, and the processor 720 can obtain the air interface state information in the HTTP extension header field.
  • the transmitter 730 is configured to send the air interface status information acquired by the processor 720 to the cache memory, so that the cache memory adjusts the code rate of the service data according to the air interface status information.
  • the transmitter 730 sends the air interface status information to the cache.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate of the service data is increased.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 8 is a flowchart of still another embodiment of a method for implementing a mobile broadband network cache memory according to the present application.
  • the mobile broadband network cache implementation method in this embodiment includes:
  • S801 The cache receives the air interface status information sent by the core network device.
  • the air interface state information is sent to the cache memory.
  • the cache receives the air interface status information sent by the core network device.
  • the air interface state information is detected by the radio access network device and encapsulated in the packet that the radio access network device communicates with the core network device.
  • the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information.
  • the hierarchical rating method can be agreed upon by itself. For example, the agreed level 5 is excellent, the fourth level is good, the third level is medium, the second level is poor, the first level is very poor, and so on.
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the cache adjusts a code rate of the service data according to the air interface state information, where the code rate is a quantity of bits for transmitting the service data in the unit time by the mobile terminal and the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate of the service data is increased.
  • the air interface state information is smaller than the second threshold, where the first threshold is greater than or Equal to the second threshold, reducing the code rate of the service data.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 9 is a schematic structural diagram of an embodiment of a cache memory according to the present application.
  • the cache memory of the present embodiment includes a receiving unit 910 and an adjusting unit 920.
  • the receiving unit 910 is configured to receive the air interface state information sent by the core network device. For example, when the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface state information is sent to the cache memory. The receiving unit 910 receives the air interface state information sent by the core network device. The air interface state information is detected by the radio access network device and encapsulated in the packet that the radio access network device communicates with the core network device. For example, the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information. Among them, the hierarchical rating method can be agreed upon by itself.
  • the agreed level 5 is excellent, the fourth level is good, the third level is medium, the second level is poor, the first level is very poor, and so on.
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the adjusting unit 910 is configured to adjust a code rate of the service data according to the air interface state information received by the receiving unit 910, where the code rate is the number of bits for transmitting the service data by the mobile terminal and the cache memory in a unit time. For example, the adjusting unit 910 adjusts the code rate of the service data according to the air interface state information, and when the air interface state information is greater than or equal to the first threshold, increases the code rate of the service data; when the air interface state information is smaller than the second threshold, where the first threshold is Greater than or equal to the second threshold, reducing the code rate of the service data.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory. Thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 10 is a schematic structural diagram of another embodiment of a cache memory according to the present application.
  • the core network device of this embodiment includes a receiver 1010, a processor 1020, a random access memory 1040, a read only memory 1050, and a bus 1060.
  • the processor 1020 is coupled to the receiver 1010, the random access memory 1040, and the read only memory 1050 via a bus 1060.
  • booting is performed by the bootloader boot system in the basic input/output system or the embedded system solidified in the read only memory 1050, and the cache memory is booted into a normal operating state.
  • the application and operating system are run in the random access memory 1040 such that:
  • the receiver 1010 is configured to receive the air interface status information sent by the core network device. For example, when the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface status information is sent to the cache memory. The receiver 1040 receives the air interface status information sent by the core network device.
  • the processor 1020 is configured to adjust a code rate of the service data according to the air interface state information received by the receiver 1010, where the code rate is the number of bits that the mobile terminal and the cache memory transmit the service data in a unit time. For example, the processor 1020 adjusts the code rate of the service data according to the air interface state information, and when the air interface state information is greater than or equal to the first threshold, increases the code rate of the service data; when the air interface state information is smaller than the second threshold, where the first threshold is Greater than or equal to the second threshold, reducing the code rate of the service data.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 11 is a flowchart of still another embodiment of a method for implementing a mobile broadband network cache memory according to the present application.
  • the mobile broadband network cache implementation method of this embodiment includes:
  • the mobile terminal sends the first packet request service data to the radio access network device.
  • the mobile terminal When the mobile terminal needs to apply for service data, the mobile terminal sends the first packet request service data to the radio access network device.
  • the mobile terminal receives a service data code rate sent by the cache memory through the radio access network device, where the service data code rate is adjusted according to the air interface state information, and the air interface state information is detected by the radio access network device.
  • the air interface quality data is obtained by grading the air interface quality and sent to the cache through the core network device.
  • the code rate is determined by the number of bits for transmitting the service data in the unit time by the mobile terminal and the cache memory, and the air interface state information is obtained by classifying the air interface quality according to the detected air interface quality data.
  • the air interface status information is detected by the radio access network device.
  • the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information.
  • the hierarchical rating method can be agreed upon by itself. For example, the agreed level 5 is excellent, the fourth level is good, the third level is medium, the second level is poor, the first level is very poor, and so on.
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the radio access network device carries the air interface status information in the second packet.
  • One of the methods is: the radio access network device encapsulates the air interface state information in an extension field of the second packet.
  • the second packet may be a GTP packet, an IP packet, or an HTTP packet.
  • the second packet is a GTP packet, and the air interface state information may be encapsulated in the GTP-U header field.
  • the second packet is an IP packet, and the ECN field of the IP header may be rewritten to encapsulate the air interface state information.
  • the ECN field for example, the second packet is an HTTP packet, and the air interface state information may be encapsulated in an HTTP extension header field.
  • the radio access network device sends the encapsulated second packet to the core network device.
  • the core network device obtains the air interface status information from the second packet.
  • the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface state information is sent to the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 12 is a schematic structural diagram of an embodiment of a mobile terminal according to the present application.
  • the mobile terminal of this embodiment includes: a sending unit 1210 and a receiving unit 1220,
  • the sending unit 1210 is configured to send the first packet request service data to the radio access network device.
  • the sending unit 1210 sends the first packet request service data to the radio access network device.
  • the receiving unit 1220 is configured to receive a service data code rate sent by the cache through the radio access network device, where the code rate is adjusted according to the air interface status information, and the air interface status information is that the radio access network device detects the air interface.
  • the quality data is obtained by grading the quality of the air interface and sent to the cache through the core network device.
  • the code rate is the number of bits of the determined mobile terminal and the cache memory that transmit the service data in a unit time
  • the air interface state information is obtained by classifying the air interface quality according to the detected air interface quality data.
  • the air interface status information is detected by the radio access network device.
  • the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device according to the first packet, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information.
  • the hierarchical rating method can be agreed upon by itself. For example, the agreed level 5 is excellent, the fourth level is good, the third level is medium, the second level is poor, the first level is very poor, and so on.
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the radio access network device carries the air interface status information in the second packet.
  • One of the methods is: the radio access network device encapsulates the air interface state information in an extension field of the second packet.
  • the second packet may be a GTP packet, an IP packet, or an HTTP packet.
  • the second packet is a GTP packet, and the air interface state information may be encapsulated in the GTP-U header field.
  • the second packet is an IP packet, and the ECN field of the IP header may be rewritten to encapsulate the air interface state information.
  • the ECN field for example, the second packet is an HTTP packet, and the air interface state information may be encapsulated in an HTTP extension header field.
  • the radio access network device sends the encapsulated second packet to the core network device.
  • the core network device obtains the air interface status information from the second packet.
  • the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface state information is sent to the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory.
  • the receiving unit 1220 receives the code rate transmitted by the cache through the radio access network device, and thereafter, the mobile terminal and the cache perform data transmission at this code rate.
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • FIG. 13 is a schematic structural diagram of another embodiment of a mobile terminal according to the present application.
  • the mobile terminal of the present embodiment includes a receiver 1310, a processor 1320, a receiver 1330, a random access memory 1340, a read only memory 1350, and a bus 1360.
  • the processor 1320 is coupled to the receiver 1310, the receiver 1330, the random access memory 1340, and the read only memory 1350 via the bus 1360.
  • the basic input/output system solidified in the read-only memory 1350 or the bootloader booting system in the embedded system is started to guide the mobile terminal to enter a normal running state.
  • the application and operating system are run in random access memory 1340 such that:
  • the transmitter 1310 is configured to send the first packet request service data to the radio access network device.
  • the sender 1310 sends the first message request service data to the radio access network device.
  • the receiver 1330 is configured to receive a service data code rate sent by the cache through the radio access network device, where the service data code rate is adjusted according to the air interface status information, and the air interface status information is a radio access network device.
  • the detected air interface quality data is obtained by classifying the air interface quality and sent to the cache through the core network device.
  • the code rate is the number of bits of the determined mobile terminal and the cache memory that transmit the service data in a unit time
  • the air interface state information is obtained by classifying the air interface quality according to the detected air interface quality data.
  • the air interface status information is detected by the radio access network device.
  • the radio access network device detects the air interface quality data between the mobile terminal and the radio access network device, and classifies the air interface quality according to the air interface quality data to obtain the air interface state information.
  • the hierarchical rating method can be agreed upon by itself. For example, the agreed level 5 is excellent, the fourth level is good, the third level is medium, the second level is poor, the first level is very poor, and so on.
  • the method of classifying the air interface quality according to the air interface quality data to obtain the air interface state information is only one of the processing methods. In other implementation manners, other processing methods may be used, which are not specifically limited herein.
  • the radio access network device carries the air interface status information in the second packet.
  • One of the methods is: the radio access network device encapsulates the air interface state information in an extension field of the second packet.
  • the second packet may be a GTP packet, an IP packet, or an HTTP packet.
  • the second packet is a GTP packet, and the air interface state information may be encapsulated in the GTP-U header field.
  • the second packet is an IP packet, and the ECN field of the IP header may be rewritten to encapsulate the air interface state information.
  • the ECN field for example, the second packet is an HTTP packet, and the air interface state information may be encapsulated in an HTTP extension header field.
  • the radio access network device sends the encapsulated second packet to the core network device.
  • the core network device obtains the air interface status information from the second packet.
  • the core network device detects that the cache memory has the service data requested by the mobile terminal, the air interface state information is sent to the cache memory.
  • the cache memory adjusts the code rate of the service data according to the air interface state information.
  • the code rate is here the number of bits for transmitting the service data in the unit time of the mobile terminal and the cache memory.
  • the receiver 1330 receives the code rate transmitted by the cache through the radio access network device, after which the mobile terminal and the cache perform data transmission at this code rate.
  • the present application also provides a mobile broadband network cache memory implementation system, which is shown in FIG. 1 and related descriptions, and details are not repeated herein. .
  • the air interface state information is encapsulated in the packet of the radio access network device and the core network device by using the radio access network device, and the air interface state information is sent to the core network device under the premise of following the existing communication protocol.
  • the Cache on the side enables the Cache on the core network device side to adjust the code rate according to the air interface status information, thereby improving the quality of service.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device implementations described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM, Read-Only) Memory, random access memory (RAM), disk or optical disk, and other media that can store program code.

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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)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un procédé, un dispositif et un système pour la mise en œuvre d'une antémémoire de réseau mobile à bande large. Le procédé comprend les étapes consistant à : recevoir un premier paquet envoyé par un terminal mobile ; envoyer un deuxième paquet à un dispositif de réseau central selon le premier paquet, le deuxième paquet transportant des informations de statut concernant une interface radio, les informations de statut concernant l'interface radio étant envoyées à une antémémoire de façon que l'antémémoire ajuste un débit binaire de données de service d'après les informations de statut concernant l'interface radio après que le dispositif de réseau central a détecté que les données de service demandées par le terminal mobile existent dans l'antémémoire. Au moyen d'un dispositif de réseau à accès sans fil, les informations de statut concernant l'interface radio sont encapsulées dans un paquet utilisé dans la communication entre le dispositif de réseau à accès sans fil et le dispositif de réseau central. Dans le but de satisfaire aux protocoles de communication existants, les informations de statut concernant l'interface radio sont envoyées à l'antémémoire du côté du dispositif de réseau central, de façon que l'antémémoire du côté du dispositif de réseau central puisse ajuster le débit binaire d'après les informations de statut concernant l'interface radio, ce qui améliore la qualité de service.
PCT/CN2013/076847 2013-06-06 2013-06-06 Procédé, dispositif et système pour la mise en œuvre d'une antémémoire de réseau mobile à bande large WO2014194504A1 (fr)

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CN201380000625.1A CN103563439B (zh) 2013-06-06 2013-06-06 移动宽带网络高速缓冲存储器实现方法、设备及系统

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