WO2012113306A1 - Procédé d'ajustement de priorité et dispositif approprié - Google Patents

Procédé d'ajustement de priorité et dispositif approprié Download PDF

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Publication number
WO2012113306A1
WO2012113306A1 PCT/CN2012/071244 CN2012071244W WO2012113306A1 WO 2012113306 A1 WO2012113306 A1 WO 2012113306A1 CN 2012071244 W CN2012071244 W CN 2012071244W WO 2012113306 A1 WO2012113306 A1 WO 2012113306A1
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WO
WIPO (PCT)
Prior art keywords
terminal
carriers
transmission priority
bsc
air interface
Prior art date
Application number
PCT/CN2012/071244
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English (en)
Chinese (zh)
Inventor
谢波
杨光
崔亚蕾
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2013554781A priority Critical patent/JP5712443B2/ja
Publication of WO2012113306A1 publication Critical patent/WO2012113306A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • a code division multiple access (CDMA) system can bind multiple carriers to perform data transmission between a network side and a user. Compared with single carrier waves, multi-carrier transmission has a higher transmission rate, which shortens the waiting time for users and improves the quality of communication services.
  • CDMA code division multiple access
  • the bandwidth-limited link adopts a multi-user shared preemption strategy, thereby maximizing bandwidth utilization.
  • CDMA multi-carrier transmission systems such as in the EVDO Rev B (Evolved Data Optimized Revision B) system, at the base station (BTS, Base Transceiver Station) and the base station controller (BSC, Base Station Controller)
  • BTS Base Transceiver Station
  • BSC Base Station Controller
  • the link between the link and the wireless link between the BTS and the terminal is the bandwidth of the entire system.
  • the links of the two parts are shared by multiple users, and users are mutually seized. .
  • P2P peer-to-peer networking technology
  • EVDO REV B users can achieve a higher rate experience by bundling multiple carriers. However, when EVDO REV B bundles multiple carriers, it will preempt more carrier resources. Especially for EVDO REV B terminals using P2P services, a bundled three-carrier EVDO REV B terminal is equivalent to having one P2P service on three carriers. User. Such an EVDO REV B terminal with three carriers will seriously affect the service experience of the users of the three carriers, and the problem that the P2P service consumes a large amount of wireless broadband resources becomes more serious. This problem has become a key doubt and obstacle for operators to develop EVDO REV B.
  • DPI Deep Packet Inspect
  • the method for resource limitation of users using the ⁇ 2 ⁇ service by the identification technology has the following shortcomings; static definition; if the user is identified as using P2P services, the system will use the transmission rate and/or carrier of the user using the terminal. The number is statically defined. When the network state is busy, this method restricts the user resource preemption. However, when the network state is idle, the user's transmission rate is also limited, and the idle network resources cannot be fully utilized. Increase the transmission rate;
  • the embodiments of the present invention provide a method for adjusting a priority and a related device, which are used in a multi-carrier transmission technology to improve the data transmission rate of a multi-carrier user and reduce resource preemption for other single-carrier users.
  • the method for adjusting the priority of the present invention includes: after the terminal initiates the call connection, acquiring the number of carriers that the terminal establishes an air interface connection; acquiring the transmission priority A currently allocated by the terminal; and adjusting the number according to the number of carriers The currently assigned transmission priority A, the adjusted transmission priority ⁇ ⁇ , wherein the more the number of carriers, the lower the transmission priority A N .
  • the priority adjustment apparatus includes: a first acquiring unit, configured to acquire, after the terminal initiates a call connection, a number of carriers that the terminal establishes an air interface connection; and a second acquiring unit, configured to acquire that the terminal is currently allocated Transmission priority A; an adjustment unit, configured to adjust the transmission priority A according to the number of carriers, to obtain an adjusted transmission priority ⁇ ⁇ , the more the number of carriers, the more the transmission priority A N low.
  • FIG. 1 is a schematic flow chart of a priority adjustment method according to an embodiment of the present invention
  • FIG. 2 is another schematic flowchart of a priority adjustment method according to an embodiment of the present invention.
  • FIG. 3 is a signaling flow chart of a priority adjustment method in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a logical structure of a priority adjustment apparatus according to an embodiment of the present invention
  • FIG. 5 is another schematic diagram of a logical structure of a priority adjustment apparatus according to an embodiment of the present invention.
  • the embodiments of the present invention provide a method for adjusting a priority and a related device, which are used in a multi-carrier transmission technology to improve the data transmission rate of a multi-carrier user and reduce resource preemption for other single-carrier users.
  • an embodiment of a priority adjustment method in an embodiment of the present invention includes:
  • the BSC After the terminal initiates the call connection, the BSC performs the configuration negotiation of the session attribute with the terminal, and the BSC sends a Traffic Channel Assignment (TAA) message to the terminal according to the status of each channel, and the terminal selects the data transmission channel according to the TCA message.
  • TCA Traffic Channel Assignment
  • TCA Traffic Channel Complete
  • the terminal can be a wireless telephone, a wirelessly connected computer or a laptop, or a mobile station device. 102. Obtain a number of carriers that establish an air interface connection.
  • the terminal After receiving the TCA message, the terminal learns from the TCA message which carriers need to be established, and the terminal transmits a reverse signal on the carrier that needs to be established, and the BTS captures the reverse signal on each established carrier. If the capture succeeds, the terminal After the carrier is successfully established, the BSC obtains a message that the BTS carrier is successfully established, and counts the number of carriers successfully established by the terminal and the BTS.
  • the system type used by the terminal is a single carrier system (for example, EVDO REVA). Since the resources bound to the single carrier system are limited, the users of the single carrier system use the P2P service. Will not cause excessive preemption of network resources;
  • the system type used by the terminal is a multi-carrier system (eg, EVDO REV B ), and the bandwidth between the entire BSC and the terminal in a multi-carrier system such as EVDO REV B Divided into 3 carriers, the user of EVDO REV B can bind the radio resources of 3 carriers (including: channel and time slot) together, which can increase the peak speed by 3 times; if the user of EVDO REV B uses P2P service, This is equivalent to the fact that three EVDO REV A users use P2P services at the same time, which makes the preemption of network resources suddenly increase, which seriously affects the service experience of other users.
  • the BSC obtains the transmission priority A currently assigned by the terminal.
  • the terminal corresponding to each user is assigned a transmission priority.
  • the scheduler selects the user to send data according to the transmission priority. If the user's transmission priority is the same, the probability of being selected at the same time is the same.
  • the terminal can establish a Point-to-Point Protocol (PPP) connection with the Packet Data Serving Node (PDSN) through a predetermined negotiation mechanism.
  • PPP Point-to-Point Protocol
  • PDSN-AAA Packet Data Serving Node-Access Network- Authentication, Accounting, Authorization Server
  • PDSN-AAA Packet Data Serving Node-Access Network- Authentication, Accounting, Authorization Server
  • A informs the BSC that the BSC controls the data transmission order between the terminal and the PDSN according to the transmission priority A.
  • the BSC adjusts the transmission priority A of the terminal according to the number of carriers when the terminal establishes an air interface connection. When the number of carriers is larger, the adjusted transmission priority A N is lower.
  • the transmission priority may be adjusted by using a non-linear segmentation function, so that the more the number of carriers, the lower the transmission priority A N , which is not limited herein.
  • the scheduler of the BSC determines, according to the transmission priority A, when to send data for the terminal, due to the PDSN in the prior art.
  • AAA cannot know the number of carriers when the terminal establishes an air interface connection.
  • the transmission priority can only be allocated according to the general order, so that the terminal with multiple carriers takes precedence over the subsequent single carrier terminal for data transmission. Then, the multi-carrier number terminal will affect the data transmission of most subsequent single-carrier terminals.
  • the BSC after obtaining the transmission priority A, the BSC adjusts the transmission priority A according to the number of carriers when the terminal establishes an air interface connection, so that the adjusted transmission priority A N is more reasonable.
  • the BSC After the BSC adjusts the transmission priority A to obtain the transmission priority A N , the BSC performs data transmission with the terminal according to the transmission priority A N . Specifically, the scheduler of the BSC allocates the order of data transmission by the terminal according to the transmission priority A N , and the BSC performs data transmission with the terminal in the order.
  • the present invention acquires the number of carriers and the transmission priority of the air interface connection established by the terminal, and adjusts the transmission priority according to the number of carriers. If the number of carriers is larger, the adjusted transmission priority of the terminal is lower, so that the transmission priority of the terminal is lower.
  • a user with a small number of carriers preferentially obtains channel resources when the network state is busy, and a user with a large number of carriers can enjoy a high transmission rate when the network state is idle.
  • the present invention adjusts the transmission priority according to the number of carriers, it is generally Suitable for users of various carrier types and service types.
  • Another embodiment includes:
  • the BSC and the terminal After the terminal initiates the call connection, the BSC and the terminal perform session configuration negotiation, and the access network authentication, authorization, and accounting server (AN-AAA, Access Network-Access Network- Authentication, Accounting, Authorization Server) Access authentication; after successful authentication, the terminal establishes an air interface connection with the BSC, so that the terminal can pass the BTS and
  • the intermediate device such as the packet control function (PCF, Packet Control Function), initiates a PPP connection to the PDSN, and obtains the transmission priority A assigned by the PDSN-AAA to the terminal.
  • PCF Packet Control Function
  • the process of setting the transmission priority at the time of the initial call setup and the initial call setup may refer to the steps in the embodiment of FIG. 1 and will not be described in detail herein.
  • the BSC receives a channel update request sent by the terminal.
  • the terminal determines whether the carrier resources allocated by the current BTS can meet the requirements of the service connection, and the method for determining may include:
  • the carrier power of the current communication link is detected. If the carrier power of the current communication link is less than the preset threshold, the carrier resources allocated by the current BTS cannot meet the requirements of the service connection.
  • the method for judging whether the carrier resource allocated by the current BTS can meet the service connection requirement is not exhaustive. It can be understood that there are other methods for determining the actual application, which is not limited herein.
  • the terminal sends a channel update request to the BSC, requesting to replace the carrier channel or add or delete the carrier channel.
  • the terminal In the process of data transmission with the PDSN, if the terminal moves, the wireless environment also changes at the same time, and the terminal needs to establish a new connection with the BTS. Therefore, the terminal also sends a channel update request to the BSC.
  • the BSC After the BSC receives the channel update request, it enters the flow of the traffic channel update.
  • the BSC After receiving the channel update request sent by the terminal, the BSC analyzes the channel update request, determines the channel and carrier resources allocated to the terminal, and sends a traffic channel assignment message to the terminal, where the channel assignment message carries the newly allocated message. Channel and carrier resources.
  • the channel update request may include: a service type currently performed by the terminal, a service type to be performed by the terminal, or a requirement of the network resource by the terminal; when the BSC obtains the foregoing information from the channel update request, the BSC is paired with the carrier resource according to the service type. Mapping relationship and preset operation The calculation rules determine the channel and carrier resources allocated to the terminal.
  • the traffic channel assignment message may be a TCA message, and the channel and carrier resource information included in the traffic channel assignment message may be a fixed assigned channel and carrier resource, or may be an optional channel and carrier resource.
  • the BSC receives the traffic channel update message returned by the terminal.
  • the terminal After receiving the service channel assignment message sent by the BSC, the terminal extracts channel and carrier resource information in the service channel assignment message, and the service channel update message may be a TCC message.
  • the terminal selects an appropriate channel and carrier resource according to its own application requirement or the usage status of each local channel (idle or occupied), and selects the message through the traffic channel update message.
  • the channel and carrier resources inform the BSC; if the channel and carrier resource information is fixedly assigned, the terminal confirms that the channel and carrier resource information is used to transmit data, and returns an acknowledgement message to the BSC through the traffic channel update message.
  • the BSC After receiving the service channel update message, the BSC establishes an information air interface connection with the terminal according to the service channel update message, and obtains the number N of carriers of the newly established air interface connection, and N is greater than 0.
  • the BSC After the number of carriers N of the newly established air interface connection is obtained by the BSC, the BSC compares the number of air interface connection carriers N Q established before the terminal with the newly created number of carriers N, N Q is greater than 0, and if the number of carriers N is not equal to the number of carriers N Q , then The step of adjusting the transmission priority A according to the number of carriers N is triggered.
  • the terminal When the terminal performs the channel update, it is possible to change the channel only, and the number of carriers does not change.
  • the channel initiated by the terminal is updated to the process of adding or deleting the carrier, the number of carriers changes, so the BSC needs to detect the number of newly constructed carriers. In order to adjust the transmission priority in a timely and reasonable manner.
  • the BSC adjusts the transmission priority A of the terminal according to the number of carriers N when the terminal establishes an air interface connection, and obtains the adjusted number of carriers ⁇ ⁇ .
  • the specific adjustment method may be: inversely proportional to the number of carriers N according to the transmission priority A N
  • the transmission priority may be adjusted by using a non-linear segmentation function, so that the more the number of carriers, the lower the transmission priority A N , which is not limited herein.
  • the scheduler of the BSC allocates the order of data transmission by the terminal according to the transmission priority A N , the BSC time The data is transmitted with the terminal.
  • the embodiment of the present invention may further include the following steps:
  • the BSC After obtaining the transmission priority A N, may send a notification message to the terminal, the notification message carries the transmission priority ⁇ ⁇ updated so that the terminal uses a transmission priority A N updates the local transmission priority so that the terminal When transmitting data to the PDSN, the scheduler of the terminal can match the transmission order corresponding to the BSC for data transmission.
  • the terminal when the terminal and the PDSN are performing data transmission, the terminal initiates a service channel update request because the channel resources are insufficient, so that the number of carriers when the air interface is established may be changed, and the embodiment of the present invention provides corresponding
  • the new carrier number acquisition mechanism and the new and old carrier number detection mechanism enable the transmission priority to be adjusted in time when the number of carriers when the terminal establishes an air interface connection with the BSC, so that the network side can properly network the terminals. Resources are deployed.
  • the step of transmitting a notification message of the transmission priority update to the terminal is further provided, so that the terminal can perform synchronization adjustment of the transmission priority in the data transmission with the PDSN.
  • the access network (AN, Access Network) device in addition to the terminal actively initiating the update of the traffic channel, the access network (AN, Access Network) device (such as the BTS) also initiates the update process of the traffic channel, for example, when the terminal and the PDSN are performing data transmission.
  • the BTS detects that the transmission power of the carrier established by the terminal and the BSC is insufficient, and the transmission signal is poor, the channel update request is also sent to the BSC, and the process of steps 203 to 208 in the embodiment of FIG. 2 is triggered, and details are not described herein. .
  • the terminal needs to establish a service connection with the network side, and the terminal sends a connection request message to the BSC to request to establish a connection.
  • the BSC After receiving the connection request message, the BSC queries the local idle channel resource according to the service request of the terminal, constructs a TCA message, and sends a TCA message to the terminal;
  • the terminal receives the TCA message sent by the BSC, selects the channel resource used by the service connection, and returns a TCC message to the BSC to confirm the used network resources (including: number of carriers, channel, and time slot)b
  • the BSC After the terminal sends a connection request message to the BSC, the BSC feeds back the connection request to AN-AAA, AN-AAA exchanges information with the terminal through signaling to perform access authentication;
  • the specific access authentication can use the key negotiation method:
  • the authentication management unit in AN-AAA reserves several bits of storage space for storing the authentication algorithm and the authentication key, and the AN-AAA sends the terminal to the terminal through signaling.
  • the authentication key calculates the key identifier of the authentication key according to the preset authentication algorithm, and returns the key identifier to the AN-AAA through signaling, and the AN-AAA determines whether the key identifier is correct. If it is correct, the access authentication of the terminal is successful.
  • the terminal After the BSC receives the TCC message returned by the terminal, and the access authentication of the terminal is successful, the terminal can establish an air interface connection with the BSC, and the BSC acquires the number of carriers N 0 that establish an air interface connection with the terminal.
  • the terminal After the air interface is established, the terminal negotiates and exchanges the access data with the BSC. After the negotiation is complete, the terminal initiates a PPP connection with the PDSN. The terminal and the PDSN negotiate the PPP connection through the intermediate device (including: access authentication, and local authentication). Identify and confirm access requests, etc.)b
  • the terminal and the PDSN After the terminal and the PDSN complete the negotiation of the PPP connection, the terminal and the PDSN are to perform data transmission.
  • the PDSN-AAA allocates a transmission priority A to the terminal, and notifies the BSC of the transmission priority A, so that the BSC according to the The transmission priority A controls the order of data transmission between the terminal and the PDSN.
  • the BSC adjusts the transmission priority A to obtain the transmission priority ⁇ ⁇ .
  • the BSC uses the transmission priority A N to update the transmission priority of the terminal locally stored in the BSC, so that the scheduler of the BSC according to the transmission priority A N allocates the order in which the terminal performs data transmission.
  • BSC After obtaining the transmission priority A N, may send a notification message to the terminal, the notification message carries the transmission priority ⁇ ⁇ updated so that the terminal uses a transmission priority A N updates the local transmission priority so that the terminal When transmitting data to the PDSN, the scheduler of the terminal can match the data transmission in the order corresponding to the BSC. 308. Perform data transmission;
  • the terminal After the terminal establishes a PPP connection with the PDSN, and the scheduler of the access device of the terminal and each level obtains the transmission priority ⁇ , the terminal and the data service of the PDSN are in a connected state, and data transmission can be performed mutually.
  • the terminal initiates a channel update request to the BSC.
  • the BSC After receiving the channel update request sent by the terminal, the BSC analyzes the channel update request, determines the channel and carrier resources allocated to the terminal, and sends a traffic channel assignment message to the terminal, where the channel assignment message carries the newly allocated message. Channel and carrier resources.
  • the channel update request may include: a service type currently performed by the terminal, a service type to be performed by the terminal, or a requirement of the terminal for the carrier or the channel resource; when the BSC obtains the foregoing information from the channel update request, according to the service type and the carrier resource.
  • the pairing mapping relationship and the preset operation rules determine the channel and carrier resources allocated to the terminal.
  • the traffic channel assignment message may be a TCA message, and the channel and carrier resource information included in the traffic channel assignment message may be a fixed assigned channel and carrier resource, or may be an optional channel and carrier resource.
  • the terminal After receiving the service channel assignment message sent by the BSC, the terminal extracts channel and carrier resource information in the service channel assignment message, where the service channel assignment can be a TCC message.
  • the terminal selects an appropriate channel and carrier resource according to its own application requirement or the usage status of each local channel (idle or occupied), and selects the message through the traffic channel update message.
  • the channel and carrier resources inform the BSC; if the channel and carrier resource information is fixedly assigned, the terminal confirms that the channel and carrier resource information is used to transmit data, and returns an acknowledgement message to the BSC through the traffic channel update message.
  • the BSC After the number of carriers N of the newly established air interface connection is obtained by the BSC, the BSC compares the number of air interface connection carriers N Q and the newly created number of carriers N established before the terminal, and if the number of carriers N is not equal to the number of carriers N Q , the number of carriers is triggered according to the number of carriers N The procedure for adjusting the transmission priority A.
  • the BSC adjusts the transmission priority A to obtain the transmission priority ⁇ ⁇ .
  • an embodiment of the BSC of the present invention for performing the foregoing priority adjustment method is described.
  • an embodiment of the BSC in the embodiment of the present invention includes: a first obtaining unit 401, configured to After the terminal initiates the call connection, the number of carriers that establish the air interface connection of the terminal is obtained;
  • a second obtaining unit 402 configured to acquire a transmission priority A that the terminal is allocated
  • Adjustment means 403 for adjusting the number of carriers based on the transmission priority A the priority of the transmission is adjusted after ⁇ ⁇ , if the number of multi-carrier, the transport priority A N lower.
  • the BSC and the terminal After the terminal initiates the call connection, the BSC and the terminal perform the configuration negotiation of the session attribute, and the BSC sends a TCA message to the terminal according to the status of each channel. After the terminal selects the data transmission channel according to the TCA message, the terminal sends a TCC message to the BSC to confirm the BSC. Establish an air interface connection.
  • the terminal After receiving the TCA message, the terminal learns from the TCA message which carriers need to be established, and the terminal transmits a reverse signal on the carrier that needs to be established, and the BTS captures the reverse signal on each established carrier. If the capture succeeds, the terminal After the carrier is successfully established, the first obtaining unit 401 collects the number of carriers successfully established by the terminal and the BTS, that is, the number of carriers that establish an air interface connection.
  • the terminal After the terminal establishes an air interface connection with the BSC, the terminal can establish a PPP connection with the PDSN through a predetermined negotiation mechanism, and trigger the PDSN-AAA to allocate a transmission priority A to the terminal, and the second acquisition unit 402 of the BSC obtains the transmission priority.
  • the terminal After the terminal establishes an air interface connection with the BSC, the terminal can establish a PPP connection with the PDSN through a predetermined negotiation mechanism, and trigger the PDSN-AAA to allocate a transmission priority A to the terminal, and the second acquisition unit 402 of the BSC obtains the transmission priority.
  • the terminal After the terminal establishes an air interface connection with the BSC, the terminal can establish a PPP connection with the PDSN through a predetermined negotiation mechanism, and trigger the PDSN-AAA to allocate a transmission priority A to the terminal, and the second acquisition unit 402 of the BSC obtains the transmission priority.
  • the terminal After the terminal establishes an air interface connection with the BSC, the terminal can
  • the trigger adjustment unit 403 adjusts the transmission priority A of the terminal according to the number of carriers when the air interface is connected, and the adjusted transmission when the number of carriers is increased
  • the lower the priority A N is .
  • the transmission priority can also be adjusted by using a non-linear segmentation function, so that the more the number of carriers, the lower the transmission priority A N , which is not limited herein.
  • the BSC in the embodiment of the present invention further includes:
  • the first sending unit 404 is configured to send a notification message carrying the transmission priority level to the terminal, so that the terminal updates the local transmission priority by using the transmission priority level A N.
  • the second sending unit 405 is configured to send a traffic channel assignment message to the terminal.
  • the first receiving unit 406 is configured to receive the service channel update message returned by the terminal, and trigger the first obtaining unit 401 to obtain the number of carriers in the service channel update message that the terminal establishes an air interface connection.
  • the second receiving unit 407 is configured to receive a channel update request sent by the terminal, and trigger the second sending unit.
  • the detecting unit 408 is configured to detect the number of carriers that establish an air interface connection with the terminal, and if the number of carriers changes, trigger the adjusting unit.
  • the BSC After the terminal initiates the call connection, the BSC performs the configuration negotiation of the session attribute with the terminal, and the BSC sends a TCA message to the terminal according to the status of each channel. After the terminal selects the data transmission channel according to the TCA message, the terminal returns a TCC message to the BSC, confirming the BSC. Establish an air interface connection. After receiving the TCA message, the terminal learns from the TCA message which carriers need to be established, and the terminal transmits a reverse signal on the carrier that needs to be established, and the BTS captures the reverse signal on each established carrier. If the capture succeeds, the terminal After the carrier is successfully established, the first acquiring unit 401 acquires a message that the BTS carrier is successfully established, and counts the number of carriers successfully established by the terminal and the BTS.
  • the terminal can establish a PPP connection with the PDSN through a predetermined negotiation mechanism.
  • the PDSN-AAA allocates a transmission priority A to the terminal, and the second obtaining unit 402 acquires The terminal is assigned a transmission priority A.
  • the adjusting unit 403 adjusts the transmission priority A of the terminal according to the number of carriers when the terminal establishes an air interface connection. When the number of carriers increases, the adjusted transmission priority A N is lower.
  • the scheduler of the BSC determines, according to the transmission priority A, when to send data for the terminal, due to the PDSN in the prior art.
  • AAA cannot know the number of carriers when the terminal establishes an air interface connection.
  • the transmission priority can only be allocated according to the general order, so that the terminal with multiple carriers takes precedence over the subsequent single carrier terminal for data transmission. It will affect most subsequent single-carrier terminals for data transmission.
  • the BSC adjusts the transmission priority A according to the number of carriers when the terminal establishes an air interface connection, so that the adjusted transmission priority A N is more reasonable.
  • the BSC After the adjustment unit 403 performs an adjustment operation on the transmission priority A to obtain the transmission priority A N , the BSC performs data transmission with the terminal according to the transmission priority A N ; the first transmission list Element 404 sends a notification message to the terminal, the notification message carries the transmission priority ⁇ ⁇ updated so that the terminal uses a transmission priority ⁇ update the local transmission priority, so that when the terminal transmits data to the PDSN, the terminal is scheduled The device can match the transmission order corresponding to the BSC for data transmission.
  • the second receiving unit 407 receives the channel update request sent by the terminal, and triggers the second sending unit 405 to enter the flow of the service channel update.
  • the second receiving unit 407 After receiving the channel update request sent by the terminal, the second receiving unit 407 analyzes the channel update request, determines the channel and carrier resources allocated to the terminal, and sends a traffic channel assignment message to the terminal by using the second sending unit 405.
  • the traffic channel assignment message carries the channel and carrier resources allocated to the terminal.
  • the traffic channel assignment message may be a TCA message, and the channel and carrier resource information included in the traffic channel assignment message may be a fixedly assigned channel and carrier resource, or may be an optional channel and carrier resource.
  • the first receiving unit 406 returns a traffic channel update message to the terminal, confirms that the terminal establishes an air interface connection with the BSC, and triggers the first obtaining unit 401 to obtain the number of carriers in the traffic channel update message that the terminal establishes an air interface connection.
  • the traffic channel update message can be a TCC message.
  • the detecting unit 408 detects the number N of carriers connected to the terminal to establish an air interface, and if the number of carriers changes, the trigger adjusting unit 403 adjusts the transmission priority A again.
  • the AN device in addition to the terminal actively initiating the update of the traffic channel, the AN device (such as the BTS) also initiates an update process of the traffic channel. After the BTS initiates the update of the traffic channel, the second sending unit 405 is triggered to perform the corresponding operation.
  • the specific workflow is similar to the process of the terminal initiated service channel update, and is not described here.

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Abstract

L'invention porte sur un procédé d'ajustement de priorité et un dispositif approprié, utilisés dans les technologies de transmission multiporteuse pour réduire une préemption de ressources d'autres utilisateurs monoporteuses tout en augmentant le débit de transmission de données d'un utilisateur multiporteuse. Le procédé du mode de réalisation de la présente invention consiste à : après qu'un terminal a déclenché une connexion d'appel, acquérir le nombre de porteuses pour établir une connexion d'interface radio avec le terminal; acquérir la priorité de transmission A actuellement attribuée au terminal; et ajuster, en fonction du nombre de porteuses, la priorité de transmission actuellement attribuée A afin d'obtenir une priorité de transmission ajustée AN. Plus le nombre de porteuses est élevé, plus la priorité de transmission AN est basse. De plus, la présente invention porte en outre sur un dispositif correspondant pour mettre en œuvre le procédé d'ajustement de priorité.
PCT/CN2012/071244 2011-02-22 2012-02-17 Procédé d'ajustement de priorité et dispositif approprié WO2012113306A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013554781A JP5712443B2 (ja) 2011-02-22 2012-02-17 優先順位調整方法および関連デバイス

Applications Claiming Priority (2)

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