WO2011082588A1 - 双载波系统非服务上行增强型无线链路的控制方法和系统 - Google Patents

双载波系统非服务上行增强型无线链路的控制方法和系统 Download PDF

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Publication number
WO2011082588A1
WO2011082588A1 PCT/CN2010/076427 CN2010076427W WO2011082588A1 WO 2011082588 A1 WO2011082588 A1 WO 2011082588A1 CN 2010076427 W CN2010076427 W CN 2010076427W WO 2011082588 A1 WO2011082588 A1 WO 2011082588A1
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WIPO (PCT)
Prior art keywords
carrier
enhanced
radio link
network controller
link
Prior art date
Application number
PCT/CN2010/076427
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English (en)
French (fr)
Inventor
张瑜
程翔
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US13/391,731 priority Critical patent/US20120269139A1/en
Priority to EP10841931.8A priority patent/EP2458901B1/en
Publication of WO2011082588A1 publication Critical patent/WO2011082588A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections

Definitions

  • the present invention relates to wireless communication systems, and more particularly to a method and system for controlling a non-serving uplink enhanced wireless link in a dual carrier system.
  • a wireless link refers to a logical connection between a terminal and a wireless access system access point, and is usually composed of one or more wireless bearer transmissions in physical implementation. There is at most one wireless link between the terminal and a wireless access system access point (usually referred to as a cell).
  • the Interconnection of Type B (IUB) interface is a logical interface between a Radio Network Controller (RNC) and a Node B (NodeB).
  • the IUR Interconnection of RNC, IUR
  • the interconnection interface between the network controllers is an interface used by the radio network controller for signaling and data interaction with other radio network controllers, and is a link between the wireless network subsystems.
  • the IUB interface protocol framework consists of two functional layers: the wireless network layer and the transport network layer.
  • NBAP is part of the IUB interface wireless network layer, which accurately and completely specifies the functional behavior of Node B.
  • the Radio Network Subsystem Application Part (RNSAP) is a protocol dedicated to the IUR interface to complete the mobility management of terminals connected to the radio network controller across the wireless network subsystem, including between the wireless network subsystems. Features such as switching, wireless resource processing and synchronization.
  • the wireless link management function refers to controlling the radio network controller (Control Radio Network Controller, CRRC for short) to control the dedicated resources of the node B through the radio link control process, which involves the basic process of establishing and deleting dedicated resources, such as including "wireless" Link establishment “control process, “wireless link addition” control process, “wireless link synchronization reconfiguration", “wireless link asynchronous reconfiguration” and so on.
  • Radio Link Identity (RL ID) is a unique identifier of a wireless link associated with a terminal. Therefore, during the radio link control process, the RL ID acts as a wireless A unified resource identifier between the network controller, the Node B, and the terminal.
  • the wireless network control entity includes a Node B and a radio network controller.
  • the radio network controller For a radio network controller, when a terminal establishes a connection to the radio access network and generates a soft handover on the IUR interface, more than one is used.
  • the resources of the wireless network controller In addition to controlling the radio network controller, the radio network controller includes a Serving Radio Network Controller (SRNC) and a Drift Radio Network Controller (DRNC), where the service radio network control
  • the device is a radio network controller that maintains an interface between the terminal and the core network.
  • the drift radio network controller is a radio network controller other than the radio network controller. There can be more than one drift wireless network controller for one terminal.
  • the goal of high-speed uplink packet access technology is to improve capacity and data throughput in the upstream direction and reduce hysteresis in dedicated channels.
  • a new transport channel is introduced by the high-speed uplink packet access technology: Enhanced Dedicated Channel (E-DCH), which improves the implementation of the physical layer and the medium access control layer, and can achieve the maximum theoretical uplink data.
  • the rate is 5.6 megabits per second.
  • the high-speed uplink packet access technology preserves the characteristics of soft handoff. For a terminal, if soft handoff occurs, there is an active set of enhanced dedicated channels.
  • dual-carrier high-speed uplink packet access technology (this technology enables terminals to transmit data on high-speed uplink packet access technology on two carriers, so that the uplink data rate can be multiplied) is expected to be introduced into existing systems. .
  • dual-carrier high-speed uplink packet access technology is used in combination with the existing dual-carrier high-speed downlink packet access technology, and is collectively referred to as dual-carrier technology.
  • the application scenarios of dual-carrier technology include: uplink single-carrier high-speed uplink packet access technology, downlink single-carrier high-speed downlink packet access technology; uplink single-carrier high-speed uplink packet access technology, downlink dual-carrier high-speed downlink packet access technology; Carrier high-speed uplink packet access technology, downlink dual-carrier high-speed downlink packet access technology.
  • Dual carrier in dual carrier technology includes: High speed dedicated physical control channel (High-Speed)
  • the carrier of the Dedicated Physical Control Channel (HS-DPCCH for short) is called the primary carrier, and the other carrier in the dual carrier is called the secondary carrier.
  • each layer carrier in the dual carrier has its own independent enhanced dedicated channel activation set.
  • the frequency corresponding to the primary carrier In the active set of the enhanced dedicated channel of the primary carrier, the node B to which the service enhanced private channel of the primary carrier belongs is referred to as the serving node B, and the other node B is referred to as the non-serving node B;
  • the node B to which the service enhanced private channel of the secondary carrier belongs is referred to as the serving node B, and the other node B is referred to as the non-serving node.
  • the radio link belonging to the non-serving Node B may only correspond to the uplink primary carrier or the uplink secondary carrier, and then the non-serving uplink enhanced dedicated channel radio is established without the corresponding non-serving downlink high-speed shared channel radio link.
  • the scenario of the link In the process of the radio link control, while establishing or adding the service downlink shared channel radio link, correspondingly establishing or adding an uplink enhanced dedicated channel radio link belonging to the same carrier layer (main carrier layer or secondary carrier layer), uplink
  • the frequency information of the enhanced dedicated channel radio link control may refer to the downlink high speed shared channel radio link corresponding thereto.
  • the non-serving uplink enhanced wireless link In the absence of a corresponding non-serving downlink high speed shared channel radio link, the non-serving uplink enhanced type cannot be used.
  • the dedicated channel radio link is controlled.
  • the present invention provides a control method for a dual-carrier system non-serving uplink enhanced wireless link, including: performing an enhanced wireless link on a terminal using a dual-carrier high-speed packet access technology in a non-serving cell
  • the radio network controller notifies the carrier attribute information of the enhanced radio link to the non-serving node B to which the terminal belongs; and the non-serving node B performs the enhancement according to the carrier attribute information. Control of a type of wireless link.
  • the step of the radio network controller notifying the non-serving Node B of the carrier attribute information of the enhanced radio link includes: the serving radio network controller passes the inter-wireless network controller inter-connect (IUR) interface through a Line Network Subsystem Application Part (RNSAP) protocol layer radio link management signaling to transmit carrier attribute information of the enhanced radio link to a drift radio network controller; and the drift radio network controller is interconnected via a class B ( The IUB) interface transmits carrier attribute information of the enhanced wireless link to the non-serving Node B through Node B Application Part (NBAP) protocol layer radio link management signaling.
  • IUR inter-wireless network controller inter-connect
  • RNSAP Line Network Subsystem Application Part
  • NBAP Node B Application Part
  • the step of the radio network controller notifying the non-serving Node B of the carrier attribute information of the enhanced radio link includes: the serving radio network controller passing the Node B Application Part (NBAP) protocol via the Class B Interconnect (IUB) interface
  • the layer radio link management signaling transmits carrier attribute information of the enhanced radio link to the non-serving node B.
  • the carrier attribute information is used to indicate whether the carrier where the enhanced wireless link is located belongs to a primary carrier or a secondary carrier in the dual carrier.
  • the control process is a radio link setup process
  • the control of the non-serving node B to the radio link is: establishing an enhanced radio link.
  • the control of the non-serving node B to the wireless link is: adding an enhanced wireless link.
  • the control process is a wireless link synchronization reconfiguration process
  • the non-serving node B controls the wireless link as: a synchronous reconfiguration enhanced wireless link.
  • the control process is a wireless link asynchronous reconfiguration process
  • the non-serving node B controls the wireless link as: an asynchronous reconfiguration enhanced wireless link.
  • the wireless network controller notifying the carrier attribute information of the enhanced wireless link to the non-serving node B to which the terminal belongs, the radio network controller notifying the identification information of the enhanced wireless link to be controlled To the non-serving Node B.
  • the present invention also provides a control system for a dual carrier system non-serving uplink enhanced wireless link, which includes a radio network controller and a non-serving node B, where:
  • the radio network controller is configured to: notify, when the non-serving cell performs enhanced radio link control on the terminal using the dual-carrier high-speed packet access technology, the carrier attribute information of the enhanced radio link
  • the non-serving node B to which the terminal belongs the non-serving node B is configured to: implement control of the enhanced wireless link according to the carrier attribute information.
  • the present invention further provides a radio network controller, which is configured to: in a process of performing enhanced radio link control on a terminal using a dual-carrier high-speed packet access technology by a non-serving cell, The carrier attribute information of the enhanced wireless link is notified to the non-serving Node B to which the terminal belongs, so that the non-serving Node B implements control of the enhanced wireless link according to the carrier attribute information.
  • the serving radio network controller is further configured to: pass a Radio Network Subsystem Application Part (RNSAP) protocol layer via an Inter-Network Inter-Controller (IUR) interface Transmitting, by the radio link management signaling, the carrier attribute information of the enhanced radio link to the drift radio network controller, so that the drift radio network controller notifies the carrier attribute information of the enhanced radio link to the The non-serving Node B to which the terminal belongs; and when the radio network controller is a drift radio network controller, the drift radio network controller is further configured to: apply the part through the Node B via the Class B Interconnect (IUB) interface (NBAP) Protocol layer radio link management signaling transmits carrier attribute information of the enhanced radio link to the non-serving node B.
  • RNSAP Radio Network Subsystem Application Part
  • IUR Inter-Network Inter-Controller
  • the radio network controller is configured to notify the non-serving Node B of carrier attribute information of the enhanced radio link as follows:
  • the serving radio network controller applies through the Node B via an Class B Interconnect (IUB) interface Partial (NBAP) protocol layer radio link management signaling transmits carrier attribute information of the enhanced radio link to the non-serving node B.
  • the carrier attribute information is used to indicate that the carrier where the enhanced wireless link is located belongs to a dual carrier
  • the primary carrier is also the secondary carrier.
  • the radio network controller is further configured to: notify the non-serving Node B of the identification information of the enhanced radio link to be controlled.
  • the present invention carries the carrier attribute information of the radio link between the radio access network control entity by carrying the carrier attribute information of the specified radio link in the signaling of the radio link control process, so that the terminal can
  • the carrier attribute information of the wireless link establishes an uplink enhanced dedicated channel, and solves the feasible application of the dual carrier technology in a special scenario with minimal modification, avoiding the defects of the prior art, and making the dual carrier high speed packet access technology feasible.
  • FIG. 1 is a schematic diagram of a setting scenario of an embodiment of the present invention
  • FIG. 2 is a schematic diagram of Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of Embodiment 2 of the present invention
  • FIG. 4 is a schematic diagram of Embodiment 3 of the present invention
  • Figure 4 is a schematic view of Embodiment 5 of the present invention
  • Figure 7 is a schematic view of Embodiment 6 of the present invention
  • Figure 8 is a schematic view of Embodiment 7 of the present invention
  • Embodiment 8 of the present invention is a schematic view of Embodiment 8 of the present invention.
  • the preferred embodiment of the present invention cannot control the non-serving uplink enhanced dedicated channel radio link without the corresponding non-serving downlink high speed shared channel radio link, because There is no reference frequency information while controlling the non-serving uplink enhanced dedicated channel radio link. Therefore, when the non-serving Node B receives the signaling related to controlling the non-serving uplink enhanced channel radio link, it will be confused whether it should operate on the carrier layer of the primary carrier or the carrier of the secondary carrier.
  • the inventive concept is that, in a process in which a non-serving cell performs enhanced radio link control on a terminal using a dual-carrier high-speed packet access technology, the radio network controller notifies the carrier attribute information of the enhanced radio link to The non-serving Node B to which the terminal belongs, the non-serving Node B implements control of the enhanced wireless link according to the carrier attribute information.
  • An enhanced wireless link refers to an uplink wireless link corresponding to an enhanced dedicated channel.
  • the enhanced wireless link described above is a wireless link object designated for operation during radio link control.
  • the carrier attribute information of the enhanced radio link is used to indicate whether the carrier where the enhanced radio link is located belongs to a primary carrier or a secondary carrier in the dual carrier.
  • the above control process includes one of the following processes: a radio link setup procedure, a radio link addition procedure, a radio link synchronization reconfiguration procedure, and a radio link asynchronous reconfiguration procedure.
  • the control of the wireless link by the non-serving Node B includes: establishing an enhanced wireless link, adding an enhanced wireless link, a synchronous reconfiguration enhanced wireless link, and an asynchronous reconfiguration enhanced wireless link.
  • the step of the radio network controller notifying the non-serving Node B of the carrier attribute information of the enhanced radio link includes: the serving radio network controller managing the carrier attribute information of the enhanced radio link by using a radio link
  • the signaling is signaled to the non-serving Node B that occupies the terminal.
  • the serving radio network controller sends the carrier attribute information of the enhanced radio link to the non-serving node B through the drift radio network controller, and uses the signaling Manage signaling for wireless links.
  • the serving radio network controller sends a "radio link setup request" signaling to the drift radio network controller via the IRN interface via the RNSAP protocol layer, in the "wireless chain”
  • the carrier attribute information of the enhanced radio link is carried, and the drift network controller forwards the “radio link establishment” carrying the carrier attribute information to the non-serving node B through the NBAP protocol layer via the IUB interface.
  • Request "signaling. See example one.
  • the serving radio network controller sends a "radio link setup request" signaling to the non-serving node B via the NBAP protocol layer via the IUB interface, In the "Radio Link Setup Request” signaling, the carrier attribute information of the enhanced wireless link is carried. See example two.
  • the serving radio network controller adds a procedure to the radio link, the serving radio network controller
  • the IUR interface sends a "radio link addition request” signaling to the drift radio network controller through the RNSAP protocol layer, and carries the carrier attribute information of the enhanced radio link in the "radio link increase request” signaling, the drift
  • the network controller forwards the "radio link increase request” signaling carrying the carrier attribute information to the non-serving node B via the NBAP protocol layer via the IUB interface. See example three.
  • the serving radio network controller sends a "radio link addition request” signaling to the non-serving node B via the NBB protocol layer via the IUB interface, in the "radio link addition request" In the signaling, the carrier attribute information of the enhanced wireless link is carried. See example four.
  • the serving radio network controller sends a "radio link reconfiguration preparation" signaling to the drift radio network controller via the IRN interface via the RNSAP protocol layer, in the "wireless chain”
  • the carrier attribute information of the enhanced radio link is carried, and the drift network controller forwards the radio link carrying the carrier attribute information to the non-serving node B through the NBAP protocol layer via the IUB interface.
  • Reconfiguration preparation "signaling. See example five.
  • the serving radio network controller transmits "radio link reconfiguration preparation" signaling to the non-serving node B via the NBB protocol layer via the IUB interface, in the "radio link”
  • the carrier attribute information of the enhanced radio link is carried in the signaling. See example six.
  • the serving radio network controller sends a "radio link reconfiguration request" signaling to the drift radio network controller via the IRN interface via the RNSAP protocol layer, in the "wireless chain”
  • the carrier attribute information of the enhanced radio link is carried, and the drift network controller forwards the radio link carrying the carrier attribute information to the non-serving node B through the NBAP protocol layer via the IUB interface.
  • Reconfiguration request "signaling. See example seven.
  • the "radio link reconfiguration request" signaling is sent to the non-serving node B through the NBB protocol layer via the IUB interface, and the carrier attribute information of the enhanced radio link is carried in the "radio link reconfiguration request” signaling. See example eight.
  • the radio network controller also notifies the non-serving Node B of the identification information of the enhanced radio link to be controlled to indicate the radio link to be controlled.
  • Node B in the following embodiments refers to a non-serving node B of a terminal using dual carrier high speed packet access technology.
  • Embodiment 1 As shown in FIG. 2, in this embodiment, when the radio link control process is a radio link establishment process, the serving radio network controller sends a “radio link setup request” signaling to the drift through the RNSAP protocol layer via the IUR interface.
  • the radio link setup request instructs the drift radio network controller to establish an enhanced radio link identified as 3 on the primary carrier.
  • Step 120 The drift radio network controller receives the “radio link setup request” signaling.
  • Step 130 The drift radio network controller forwards the “radio link setup request” carrying the carrier attribute and the identifier information of the radio link to the node B. "signaling to instruct the Node B to establish an enhanced wireless link; the radio link setup request instructs the Node B to establish an enhanced wireless identity 3 on the primary carrier Link.
  • Step 140 After receiving the "Radio Link Setup Request” signaling, the Node B establishes an enhanced wireless link with the identifier 3 on the primary carrier.
  • the step of the Node B establishing the enhanced wireless link identified as 3 on the primary carrier means that the Node B commands the terminal to establish an enhanced wireless link on the primary carrier. Since the carrier attribute information of the enhanced wireless link is known, the Node B can instruct the terminal to establish an enhanced wireless link on the primary carrier, thereby avoiding the prior art that there is no non-serving downlink high speed downlink shared channel wireless link. The defect of the non-serving uplink enhanced dedicated channel radio link cannot be established.
  • Embodiment 2 As shown in FIG. 3, in this embodiment, when the radio link control process is a radio link establishment process, the serving radio network controller sends a “radio link setup request” signaling to the node through the NBAP protocol layer via the IUB interface.
  • the process of B includes the following steps: Step 210: When performing radio link setup, the serving radio network controller sends to the Node B
  • the "radio link setup request" signaling notifies the node B of the carrier attribute information of the carrier in which the established enhanced radio link is located and the identification information of the enhanced radio link to be established; in this embodiment, the enhanced type
  • the carrier attribute information of the carrier where the wireless link is located includes: the secondary carrier, and the identifier of the wireless link is 4.
  • the radio link setup request instructs the Node B to establish an enhanced radio link identified as 4 on the secondary carrier.
  • Step 220 The Node B receives the "Radio Link Setup Request” signaling, and obtains the carrier attribute information and the identifier information of the radio link.
  • the step of the Node B establishing the enhanced wireless link identified as 4 on the secondary carrier means that the Node B commands the terminal to establish an enhanced wireless link on the secondary carrier. Since the carrier attribute information of the radio link is known, the Node B can instruct the terminal to establish an enhanced radio link on the secondary carrier, thereby avoiding the fact that the non-service downlink high-speed downlink shared channel radio link cannot be established in the prior art. A defect in serving an uplink enhanced dedicated channel radio link.
  • Embodiment 3 As shown in FIG. 4, in the embodiment, when the radio link control process is a radio link adding process, the serving radio network controller sends a “radio link increase request” signaling to the drift through the RNSAP protocol layer via the IUR interface.
  • the radio link addition request instructs the drift radio network controller to add an enhanced radio link identified as 3 on the primary carrier.
  • Step 320 The drift radio network controller receives the "radio link increase request"signaling;
  • Step 330 The drift radio network controller forwards the "radio link increase request” carrying the carrier attribute and the identification information of the radio link to the node B. "Signaling, indicating that Node B adds an enhanced radio link; the radio link addition request instructs Node B to add a radio link identified as 3 on the primary carrier.
  • Step 340 After receiving the "Radio Link Add Request" signaling, the Node B adds an enhanced wireless link with the identifier 3 to the primary carrier.
  • the step of the Node B adding the enhanced wireless link identified as 3 on the primary carrier means that the Node B commands the terminal to add an enhanced wireless link to the primary carrier. Since the carrier attribute information of the wireless link is obtained, the Node B can indicate that the terminal is on the primary carrier.
  • the enhanced wireless link is added to avoid the defect that the non-serving uplink enhanced dedicated channel radio link cannot be added in the prior art because there is no non-serving downlink high speed downlink shared channel radio link.
  • Embodiment 4 As shown in FIG. 5, in this embodiment, when the radio link control process is a radio link adding process, the serving radio network controller sends a “radio link increase request” signaling to the node through the NBAP protocol layer via the IUB interface.
  • the process of B includes the following steps: Step 410: When performing radio link setup, the serving radio network controller sends a "radio link increase request" signaling to the node B and the carrier of the established enhanced radio link is located. The carrier attribute information and the identification information of the enhanced wireless link to be established are notified to the Node B. In this embodiment, the carrier attribute information of the carrier where the enhanced wireless link is located is the secondary carrier, and the identifier of the wireless link is 4.
  • the radio link addition request instructs the Node B to add an enhanced radio link identified as 4 on the secondary carrier.
  • Step 420 The Node B receives the "Radio Link Add Request" signaling, and obtains the carrier attribute and the identification information of the wireless link therein.
  • Enhanced wireless link The step of the Node B adding the enhanced wireless link with the identifier 4 on the secondary carrier means that the Node B commands the terminal to add an enhanced wireless link to the secondary carrier.
  • the Node B can instruct the terminal to add an enhanced radio link on the secondary carrier, thereby avoiding the fact that the non-service downlink high-speed downlink shared channel radio link cannot be added in the prior art. A defect in serving an uplink enhanced dedicated channel radio link.
  • Embodiment 5 when the radio link control process is a radio link synchronization reconfiguration process, the serving radio network controller sends a "wireless link synchronization" through the RNSAP protocol layer via the IUR interface.
  • the process of reconfiguring "signaling to the drift radio network controller, and transmitting the "radio link synchronization reconfiguration request" signaling to the node B through the NBAP protocol layer via the IUB interface includes the following steps: Step 510 : When performing radio link synchronization reconfiguration, the serving radio network controller sends a "radio link synchronization reconfiguration preparation" signaling to the drift radio network controller and synchronizes the carrier of the carrier on which the enhanced radio link is reconfigured The attribute information and the identification information of the enhanced radio link to be reconfigured are notified to the drift radio network controller.
  • the carrier attribute information of the carrier where the enhanced radio link is located is the primary carrier, and the identifier of the wireless link 3.
  • the radio link synchronization reconfiguration preparation signaling instructs the drift radio network controller to synchronously reconfigure the enhanced radio link identified as 3 on the primary carrier.
  • Step 520: The drift radio network controller receives the "wireless chain” Road synchronization reconfiguration preparation "signaling, obtaining the carrier attribute and the identifier of the radio link, constructing a "radio link synchronization reconfiguration request"signaling;
  • Step 530 The drift radio network controller sends a "radio link synchronization reconfiguration request" signaling to the node B, where the carrier attribute and the identification information of the radio link are carried, indicating that the node B synchronizes the reconfiguration enhanced wireless link; the wireless The link synchronization reconfiguration request signaling indicates that the Node B synchronously reconfigures the enhanced wireless link identified as 3 on the primary carrier.
  • Step 540 After receiving the "Radio Link Synchronization Reconfiguration Request" signaling, the Node B synchronizes the enhanced radio link with the re-identification identifier 3 on the primary carrier.
  • the step of the Node B synchronously reconfiguring the enhanced wireless link identified as 3 on the primary carrier means that the Node B commands the terminal to synchronously reconfigure the enhanced wireless link on the primary carrier. Since the carrier attribute information of the radio link is known, the Node B can instruct the terminal to synchronously reconfigure the enhanced radio link on the primary carrier, thereby avoiding the prior art that there is no non-serving downlink high speed downlink shared channel radio link. A defect in synchronous reconfiguration of a non-serving uplink enhanced dedicated channel radio link.
  • Embodiment 6 As shown in FIG.
  • the serving radio network controller when the radio link control process is a radio link synchronization reconfiguration process, the serving radio network controller sends a "radio link synchronization reconfiguration request" through the NBAP protocol layer via the IUB interface.
  • the process of signaling to the Node B includes the following steps: Step 610: When performing radio link synchronization reconfiguration, the serving radio network controller sends a "radio link synchronization reconfiguration request" signaling to the Node B and resynchronizes the synchronization.
  • the carrier attribute information of the carrier where the enhanced wireless link is located and the identification information of the enhanced wireless link to be re-allocated are notified to the node B.
  • the carrier attribute information of the carrier where the enhanced wireless link is located is
  • the secondary carrier has a wireless link identifier of 4.
  • the radio link synchronization reconfiguration request signaling instructs the Node B to synchronously reconfigure the enhanced radio link identified as 4 on the secondary carrier.
  • Step 620 The Node B receives the "Radio Link Synchronization Reconfiguration Request" signaling, and obtains the carrier attribute and the identification information of the radio link therein.
  • Step 630 The Node B synchronizes reconfiguration on the secondary carrier according to the acquired information.
  • the step of the Node B synchronously reconfiguring the enhanced wireless link identified as 4 on the secondary carrier means that the Node B commands the terminal to synchronously reconfigure the enhanced wireless link on the secondary carrier.
  • the Node B can instruct the terminal to synchronously reconfigure the enhanced wireless link on the secondary carrier, thereby avoiding the prior art that there is no non-serving downlink high speed downlink shared channel wireless link. A defect in synchronous reconfiguration of a non-serving uplink enhanced dedicated channel radio link.
  • Embodiment 7 As shown in FIG. 8, in this embodiment, when the radio link control process is a wireless link asynchronous reconfiguration process, the serving radio network controller sends a "wireless link asynchronous reconfiguration preparation" through the RNSAP protocol layer via the IUR interface.
  • Step 710 When performing wireless link asynchronous reconfiguration, the serving radio network controller sends a "radio link asynchronous reconfiguration preparation" signaling to the drift radio network controller and the asynchronous reconfigurable enhanced wireless chain
  • the carrier attribute information of the carrier where the path is located and the identification information of the enhanced radio link to be reconfigured are notified to the drift radio network controller.
  • the carrier attribute information of the carrier where the enhanced radio link is located is the primary carrier.
  • the identifier of the wireless link is 3.
  • the radio link asynchronous reconfiguration preparation signaling instructs the drift radio network controller to asynchronously reconfigure the enhanced radio link identified as 3 on the primary carrier.
  • Step 730 The drift radio network controller sends a "radio link asynchronous reconfiguration request" signaling to the node B, where the carrier attribute and the identification information of the radio link are carried, indicating that the node B asynchronously reconfigures the enhanced wireless link;
  • the link asynchronous reconfiguration request signaling indicates that the Node B asynchronously reconfigures the enhanced wireless link identified as 3 on the primary carrier.
  • Step 740 After receiving the "radio link asynchronous reconfiguration request" signaling, the node B asynchronously reconfigures the enhanced wireless link identified as 3 on the primary carrier.
  • the step of Node B asynchronously reconfiguring the enhanced radio link identified as 3 on the primary carrier means that: Node B commands the terminal to asynchronously reconfigure the enhanced wireless link on the primary carrier. Since the carrier attribute information of the radio link is known, the Node B can instruct the terminal to asynchronously reconfigure the enhanced radio link on the primary carrier, thereby avoiding the prior art that there is no non-serving downlink high speed downlink shared channel radio link. A defect in asynchronous reconfiguration of a non-serving uplink enhanced dedicated channel radio link.
  • Embodiment 8 As shown in FIG. 9, in this embodiment, when the radio link control process is a wireless link asynchronous reconfiguration process, The process of the serving radio network controller transmitting the "radio link asynchronous reconfiguration request" signaling to the node B through the NBAP protocol layer via the IUB interface includes the following steps: Step 810: Serving the wireless network when performing wireless link asynchronous reconfiguration The controller sends a "radio link asynchronous reconfiguration request" signaling and notifies the node B of the carrier attribute information of the carrier where the asynchronous reconfigured enhanced radio link is located and the identification information of the enhanced radio link to be reconfigured; In this embodiment, the carrier attribute information of the carrier where the enhanced wireless link is located is a secondary carrier, and the wireless link identifier is 4.
  • the wireless link asynchronous reconfiguration request signaling instructs the Node B to synchronously reconfigure the enhanced wireless link identified as 4 on the secondary carrier.
  • the step of the Node B asynchronously reconfiguring the enhanced wireless link identified as 4 on the secondary carrier means that the Node B commands the terminal to asynchronously reconfigure the enhanced wireless link on the secondary carrier.
  • the Node B can instruct the terminal to asynchronously reconfigure the enhanced radio link on the secondary carrier, thereby avoiding the prior art that there is no non-serving downlink high speed downlink shared channel radio link. A defect in asynchronous reconfiguration of a non-serving uplink enhanced dedicated channel radio link.
  • the control system implementing the above method comprises a radio network controller and a non-serving node B, wherein: the radio network controller is configured to: perform enhanced radio link control on a terminal using dual carrier high speed packet access technology in a non-serving cell In the process, the carrier attribute information of the enhanced wireless link is notified to the non-serving node B to which the terminal belongs; the non-serving node B is configured to: implement the enhanced wireless according to the carrier attribute information Link control.
  • the embodiment of the invention further provides a radio network controller, which is configured to: when the non-serving cell performs enhanced radio link control on the terminal using the dual-carrier high-speed packet access technology, the enhanced wireless link
  • the carrier attribute information of the path is notified to the non-serving Node B to which the terminal belongs, so that the non-serving Node B implements control of the enhanced wireless link according to the carrier attribute information.
  • the serving radio network controller is further configured to: pass a Radio Network Subsystem Application Part (RNSAP) protocol layer via an Inter-Network Inter-Controller (IUR) interface Transmitting, by the radio link management signaling, the carrier attribute information of the enhanced radio link to the drift radio network controller, so that the drift radio network controller notifies the carrier attribute information of the enhanced radio link to the The non-serving Node B to which the terminal belongs; and when the radio network controller is a drift radio network controller, the drift radio network controller is further configured to: apply the part through the Node B via the Class B Interconnect (IUB) interface (NBAP) Protocol layer radio link management signaling transmits carrier attribute information of the enhanced radio link to the non-serving node B.
  • RNSAP Radio Network Subsystem Application Part
  • IUR Inter-Network Inter-Controller
  • the radio network controller is configured to notify the non-serving Node B of carrier attribute information of the enhanced radio link as follows:
  • the serving radio network controller applies through the Node B via an Class B Interconnect (IUB) interface Partial (NBAP) protocol layer radio link management signaling transmits carrier attribute information of the enhanced radio link to the non-serving node B.
  • the carrier attribute information is used to indicate whether the carrier where the enhanced wireless link is located belongs to a primary carrier or a secondary carrier in the dual carrier.
  • the radio network controller is further configured to: notify the non-serving Node B of the identification information of the enhanced radio link to be controlled.
  • the present invention carries the carrier attribute information of the radio link between the radio access network control entities by carrying the carrier attribute information of the designated radio link in the signaling of the radio link control procedure, so that The terminal can establish an uplink enhanced dedicated channel according to the carrier attribute information of the wireless link, and solve the feasible application of the dual carrier technology in a special scenario with minimal modification, thereby avoiding the defects of the prior art, and making the dual-carrier high-speed packet access technology feasible.

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Description

双载波系统非服务上行增强型无线链路的控制方法和系统
技术领域 本发明涉及无线通信系统， 尤其涉及双载波系统中非服务上行增强型无 线链路的控制方法和系统。
背景技术 在无线通信系统中， 无线链路是指一个终端和一个无线接入系统接入点 之间的逻辑连接， 在物理实现上通常由一个或多个无线承载传输组成。 在终 端与一个无线接入系统接入点 （通常指小区）之间最多存在一条无线链路。 B类互联（ Interconnection of type B ,简称 IUB )接口是无线网络控制器（ Radio Network Controller, 简称 RNC ) 与节点 B ( NodeB )之间的逻辑接口， IUR ( Interconnection of RNC , 简称 IUR )接口 （无线网络控制器之间互联接口） 是无线网络控制器用于同其他无线网络控制器进行信令和数据交互的接口， 是无线网络子系统之间互联的纽带。 在无线通讯系统中， 节点 B应用部分（Node B Application Part, 简称 NBAP ) ： IUB接口协议框架由两个功能层组成， 即： 无线网络层与传输网 络层。 NBAP是 IUB接口无线网络层中的一部分， 它准确且完整的指定了节 点 B 的功能性行为。 无线网络子系统应用部分（Radio Network Subsystem Application Part, 简称 RNSAP )是 IUR接口专用的协议， 来完成与无线网络 控制器有连接的终端跨无线网络子系统的移动性管理， 包括无线网络子系统 间的切换、 无线资源处理和同步等功能。 无线链路管理功能是指控制无线网络控制器 （Control Radio Network Controller, 简称 CRNC )通过无线链路控制过程控制节点 B的专用资源， 其 中涉及到专用资源建立、 删除的基本过程， 如包括 "无线链路建立" 控制过 程、 "无线链路增加" 控制过程、 "无线链路同步重配" 、 "无线链路异步 重配" 等等。 无线链路标识（ Radio Link Identity, 简称 RL ID )是与终端相 关的无线链路的唯一标识。 因此， 在无线链路控制过程中， RL ID作为无线 网络控制器、 节点 B与终端之间的统一的资源标识。 无线网络控制实体包括节点 B和无线网络控制器， 对于无线网络控制器 而言，当一个终端建立了到无线接入网的连接，并在 IUR接口产生了软切换， 就会用到多于一个的无线网络控制器的资源。 无线网络控制器除包括控制无线网络控制器外， 还包括服务无线网络控 制器（ Serving Radio Network Controller, 简称 SRNC )和漂移无线网络控制 器（ Drift Radio Network Controller, 简称 DRNC ) ， 其中服务无线网络控制 器是保持终端与核心网的接口连接的无线网络控制器。 漂移无线网络控制器 是 Λ良务无线网络控制器以外的其他无线网络控制器。 一个终端的漂移无线网 络控制器可以不止一个。 在现有系统中， 高速上行分组接入技术的目标是在上行方向改善容量和 数据吞吐量， 降低专用信道中的迟滞。 由高速上行分组接入技术引入了一条 新的传输信道：增强型专用信道（ Enhanced Dedicated Channel ,简称 E-DCH ) , 对物理层和媒体接入控制层的实现进行改进， 可以达到最大理论上行数据速 率为 5.6兆比特每秒。 高速上行分组接入技术保留了软切换的特性， 对于一 个终端而言， 如果发生了软切换， 则存在增强型专用信道的激活集。 随着技术发展， 双载波高速上行分组接入技术（此技术使得终端能够在 两个载波上以高速上行分组接入技术发送数据， 从而使得上行链路数据速率 得以倍增）希望被引入现有系统。 并且双载波高速上行分组接入技术和现有 的双载波高速下行分组接入技术绑定使用， 共称为双载波技术。 双载波技术 的应用场景包括： 上行单载波高速上行分组接入技术， 下行单载波高速下行 分组接入技术； 上行单载波高速上行分组接入技术， 下行双载波高速下行分 组接入技术； 上行双载波高速上行分组接入技术， 下行双载波高速下行分组 接入技术。 双载波技术中的双载波包含： 高速专用物理控制信道 （High-Speed
Dedicated Physical Control Channel, 简称 HS-DPCCH ) 的载波， 其被称为主 载波， 双载波中余下的另外一个载波称为辅载波。 对于一个终端而言， 双载 波中的各层载波均有自己独立的增强型专用信道激活集。 在主载波对应的频 率上， 在主载波的增强型专用信道的激活集中， 主载波的服务增强型专用信 道无线链路所归属的节点 B称为服务节点 B,其他节点 B称为非服务节点 B; 同理， 在辅载波对应的频率上， 在辅载波的增强型专用信道的激活集中， 辅 载波的服务增强型专用信道无线链路所归属的节点 B称为服务节点 B, 其他 节点 B称为非服务节点 B。 归属于非服务节点 B的无线链路可以只对应上行 主载波或者上行辅载波， 那么就出现在没有对应的非服务下行高速共享信道 无线链路的情况下， 建立非服务上行增强型专用信道无线链路的场景。 在无线链路控制过程中， 在建立或增加服务下行共享信道无线链路的同 时， 对应建立或增加属于同一载波层 （主载波层或辅载波层） 的上行增强型 专用信道无线链路， 上行增强型专用信道无线链路控制的频率信息可以参考 与之对应的下行高速共享信道无线链路。 但是， 按照目前的技术和标准化的 处理协议， 对于非服务上行增强型无线链路存在这样的问题： 在没有对应的 非服务下行高速共享信道无线链路的情况下， 无法对非服务上行增强型专用 信道无线链路进行控制。
发明内容 本发明要解决的技术问题是提供一种双载波系统非服务上行增强型无 线链路的控制方法和系统。 为解决上述技术问题， 本发明提供了一种双载波系统非服务上行增强型 无线链路的控制方法， 包括： 在非服务小区对使用双载波高速分组接入技术的终端进行增强型无线链 路控制过程中， 无线网络控制器将所述增强型无线链路的载波属性信息通知 给所述终端所归属的非服务节点 B; 以及 所述非服务节点 B 根据所述载波属性信息对所述增强型无线链路的控 制。 无线网络控制器将所述增强型无线链路的载波属性信息通知给所述非服 务节点 B的步骤包括： 服务无线网络控制器经由无线网络控制器之间互联（IUR )接口通过无 线网络子系统应用部分（RNSAP )协议层无线链路管理信令将所述增强型无 线链路的载波属性信息发送给漂移无线网络控制器； 以及 所述漂移无线网络控制器经由 B类互联（IUB )接口通过节点 B应用部 分（NBAP )协议层无线链路管理信令将所述增强型无线链路的载波属性信 息发送给非服务节点 B。
无线网络控制器将所述增强型无线链路的载波属性信息通知给所述非服 务节点 B的步骤包括： 服务无线网络控制器经由 B 类互联（IUB )接口通过节点 B应用部分 ( NBAP )协议层无线链路管理信令将所述增强型无线链路的载波属性信息 发送给非服务节点 B。 所述载波属性信息用于指示所述增强型无线链路所在的载波属于双载波 中的主载波还是辅载波。 所述控制过程为无线链路建立过程时， 所述非服务节点 B对无线链路的 控制为： 建立增强型无线链路。
所述控制过程为无线链路增加过程时， 所述非服务节点 B对无线链路的 控制为： 增加增强型无线链路。 所述控制过程为无线链路同步重配过程时， 所述非服务节点 B对无线链 路的控制为： 同步重配增强型无线链路。 所述控制过程为无线链路异步重配过程时， 所述非服务节点 B对无线链 路的控制为： 异步重配增强型无线链路。 无线网络控制器将所述增强型无线链路的载波属性信息通知给所述终端 所归属的非服务节点 B的步骤中， 无线网络控制器还将所要控制的增强型无 线链路的标识信息通知给所述非服务节点 B。
为解决上述技术问题， 本发明还提供了一种双载波系统非服务上行增强 型无线链路的控制系统， 其包括无线网络控制器和非服务节点 B, 其中： 所述无线网络控制器设置为： 在非服务小区对使用双载波高速分组接入 技术的终端进行增强型无线链路控制过程中， 将所述增强型无线链路的载波 属性信息通知给所述终端所归属的非服务节点 B； 所述非服务节点 B设置为： 根据所述载波属性信息实现对所述增强型无 线链路的控制。
为解决上述技术问题，本发明还提供了一种无线网络控制器，其设置为： 在非服务小区对使用双载波高速分组接入技术的终端进行增强型无线链 路控制过程中 , 将所述增强型无线链路的载波属性信息通知给所述终端所归 属的非服务节点 B, 以使所述非服务节点 B根据所述载波属性信息实现对所 述增强型无线链路的控制。 当所述无线网络控制器为服务无线网络控制器时， 所述服务无线网络控 制器还设置为： 经由无线网络控制器之间互联（IUR )接口通过无线网络子 系统应用部分（RNSAP )协议层无线链路管理信令将所述增强型无线链路的 载波属性信息发送给漂移无线网络控制器 , 以使所述漂移无线网络控制器将 所述增强型无线链路的载波属性信息通知给所述终端所归属的非服务节点 B; 以及 当所述无线网络控制器为漂移无线网络控制器时， 所述漂移无线网络控 制器还设置为： 经由 B类互联（IUB )接口通过节点 B应用部分（NBAP ) 协议层无线链路管理信令将所述增强型无线链路的载波属性信息发送给非服 务节点 B。 所述无线网络控制器是设置为按如下方式将所述增强型无线链路的载波 属性信息通知给所述非服务节点 B: 服务无线网络控制器经由 B 类互联（IUB )接口通过节点 B应用部分 ( NBAP )协议层无线链路管理信令将所述增强型无线链路的载波属性信息 发送给非服务节点 B。 所述载波属性信息用于指示所述增强型无线链路所在的载波属于双载波 中的主载波还是辅载波。 无线网络控制器还设置为： 将所要控制的增强型无线链路的标识信息通 知给所述非服务节点 B。
本发明通过在无线链路控制过程的信令中携带指定无线链路的载波属性 信息， 在无线接入网络控制实体之间进行此无线链路的载波属性信息的传递 和获取， 使得终端可以根据无线链路的载波属性信息建立上行增强型专用信 道， 以极小的改动解决双载波技术在特殊场景下的可行应用， 避免现有技术 缺陷， 使得双载波高速分组接入技术可行。
附图概述
1是本发明实施例设定场景的示意图; 图 2是本发明实施例 1的示意图； 图 3是本发明实施例 2的示意图； 图 4是本发明实施例 3的示意图； 图 5是本发明实施例 4的示意图； 图 6是本发明实施例 5的示意图； 图 7是本发明实施例 6的示意图； 图 8是本发明实施例 7的示意图；
9是本发明实施例 8的示意图。
本发明的较佳实施方式 如背景技术部分所述， 在没有对应的非服务下行高速共享信道无线链路 的情况下， 无法对非服务上行增强型专用信道无线链路进行控制， 这是因为 在控制非服务上行增强型专用信道无线链路的同时没有可参考的频率信息。 因此， 当非服务节点 B接收到相关控制非服务上行增强型信道无线链路的信 令时， 将会困惑究竟应该在主载波这一层载波进行操作还是在辅载波这一层 载波进行操作。 本发明的发明构思是， 在非服务小区对使用双载波高速分组接入技术的 终端进行增强型无线链路控制过程中， 无线网络控制器将所述增强型无线链 路的载波属性信息通知给所述终端所归属的非服务节点 B, 所述非服务节点 B根据所述载波属性信息实现对该增强型无线链路的控制。 增强型无线链路是指增强型专用信道对应的上行无线链路。 上述增强型 无线链路为无线链路控制过程中指定操作的无线链路对象。 所述增强型无线链路的载波属性信息用于指示所述增强型无线链路所在 的载波属于双载波中的主载波还是辅载波。 上述控制过程包括以下过程之一： 无线链路建立过程、 无线链路增加过 程、 无线链路同步重配过程以及无线链路异步重配过程。 对应的， 非服务节 点 B对无线链路的控制包括： 建立增强型无线链路、 增加增强型无线链路、 同步重配增强型无线链路、 异步重配增强型无线链路。 无线网络控制器将所述增强型无线链路的载波属性信息通知给所述非服 务节点 B的步骤包括： 服务无线网络控制器将所述增强型无线链路的载波属 性信息通过无线链路管理信令通知给管辖所述终端归属的非服务节点 B。 在 存在漂移无线网络控制器作为中继的场景下， 服务无线网络控制器将所述增 强型无线链路的载波属性信息通过漂移无线网络控制器发送给非服务节点 B, 其釆用的信令为无线链路管理信令。 具体地： 当无线链路控制过程为无线链路建立过程时， 服务无线网络控制器经由 IUR接口通过 RNSAP协议层发送 "无线链路建立请求" 信令给漂移无线网 络控制器， 在 "无线链路建立请求" 信令中， 携带所述增强型无线链路的载 波属性信息，该漂移网络控制器经由 IUB接口通过 NBAP协议层向非服务节 点 B转发该携带载波属性信息的 "无线链路建立请求"信令。参见实施例一。 当无线链路控制过程为无线链路建立过程时， 服务无线网络控制器经由 IUB接口通过 NBAP协议层发送 "无线链路建立请求"信令给非服务节点 B, 在 "无线链路建立请求"信令中，携带所述增强型无线链路的载波属性信息。 参见实施例二。 当无线链路控制过程为无线链路增加过程时， 服务无线网络控制器经由
IUR接口通过 RNSAP协议层发送 "无线链路增加请求" 信令给漂移无线网 络控制器， 在 "无线链路增加请求" 信令中， 携带所述增强型无线链路的载 波属性信息，该漂移网络控制器经由 IUB接口通过 NBAP协议层向非服务节 点 B转发该携带载波属性信息的 "无线链路增加请求"信令。参见实施例三。 当无线链路控制过程为无线链路增加过程时， 服务无线网络控制器经由 IUB接口通过 NBAP协议层发送 "无线链路增加请求"信令给非服务节点 B, 在 "无线链路增加请求"信令中，携带所述增强型无线链路的载波属性信息。 参见实施例四。 当无线链路控制过程为无线链路同步重配过程时， 服务无线网络控制器 经由 IUR接口通过 RNSAP协议层发送 "无线链路重配准备" 信令给漂移无 线网络控制器， 在 "无线链路重配准备" 信令中， 携带所述增强型无线链路 的载波属性信息，该漂移网络控制器经由 IUB接口通过 NBAP协议层向非服 务节点 B转发该携带载波属性信息的 "无线链路重配准备" 信令。 参见实施 例五。 当无线链路控制过程为无线链路同步重配过程时， 服务无线网络控制器 经由 IUB接口通过 NBAP协议层发送 "无线链路重配准备"信令给非服务节 点 B, 在 "无线链路重配准备" 信令中， 携带所述增强型无线链路的载波属 性信息。 参见实施例六。 当无线链路控制过程为无线链路异步重配过程时， 服务无线网络控制器 经由 IUR接口通过 RNSAP协议层发送 "无线链路重配请求" 信令给漂移无 线网络控制器， 在 "无线链路重配请求" 信令中， 携带所述增强型无线链路 的载波属性信息，该漂移网络控制器经由 IUB接口通过 NBAP协议层向非服 务节点 B转发该携带载波属性信息的 "无线链路重配请求" 信令。 参见实施 例七。 当无线链路控制过程为无线链路异步重配过程时， 服务无线网络控制器 经由 IUB接口通过 NBAP协议层发送 "无线链路重配请求"信令给非服务节 点 B, 在 "无线链路重配请求" 信令中， 携带所述增强型无线链路的载波属 性信息。 参见实施例八。 在对所述终端进行无线链路控制过程中， 无线网络控制器还将所要控制 的增强型无线链路的标识信息通知给所述非服务节点 B, 以指示其所要控制 的无线链路。
下面结合附图和具体实施例对本发明进行进一步说明， 下述实施例中的 节点 B均指使用双载波高速分组接入技术的终端的非服务节点 B。
实施例一 如图 2所示， 本实施例为无线链路控制过程为无线链路建立过程时， 服 务无线网络控制器经由 IUR接口通过 RNSAP协议层发送 "无线链路建立请 求"信令给漂移无线网络控制器， 以及漂移无线网络控制器经由 IUB接口通 过 NBAP协议层发送 "无线链路建立请求"信令给节点 B的过程， 包括以下 步骤： 步骤 110: 当进行无线链路建立时， 服务无线网络控制器向漂移无线网 络控制器发送 "无线链路建立请求" 信令并将建立的增强型无线链路所在的 载波的载波属性信息和所要建立的增强型无线链路的标识信息通知给漂移无 线网络控制器； 在本实施例中， 增强型无线链路所在的载波的载波属性信息包括： 主载 波， 以及无线链路的标识为 3。 该无线链路建立请求指示漂移无线网络控制 器在主载波上建立标识为 3的增强型无线链路。 步骤 120: 漂移无线网络控制器接收此 "无线链路建立请求" 信令； 步骤 130: 漂移无线网络控制器向节点 B转发该携带载波属性和无线链 路的标识信息的 "无线链路建立请求" 信令， 以指示节点 B建立增强型无线 链路； 该无线链路建立请求指示节点 B在主载波上建立标识为 3的增强型无线 链路。 步骤 140: 节点 B接收到此 "无线链路建立请求" 信令后， 在主载波上 建立标识为 3的增强型无线链路。 节点 B在主载波上建立标识为 3的增强型无线链路的步骤是指： 节点 B 命令终端在主载波上建立增强型无线链路。 由于获知了增强型无线链路的载波属性信息， 该节点 B可以指示终端在 主载波上建立增强型无线链路， 从而避免了现有技术中由于没有非服务下行 高速下行共享信道无线链路而无法建立非服务上行增强型专用信道无线链路 的缺陷。
实施例二 如图 3所示， 本实施例为无线链路控制过程为无线链路建立过程时， 服 务无线网络控制器经由 IUB接口通过 NBAP协议层发送"无线链路建立请求" 信令给节点 B的过程， 包括以下步骤： 步骤 210: 当进行无线链路建立时， 服务无线网络控制器向节点 B发送
"无线链路建立请求 " 信令并将建立的增强型无线链路所在的载波的载波属 性信息和所要建立的增强型无线链路的标识信息通知给节点 B； 在本实施例中， 增强型无线链路所在的载波的载波属性信息包括： 辅载 波， 以及无线链路的标识为 4。 该无线链路建立请求指示节点 B在辅载波上 建立标识为 4的增强型无线链路。 步骤 220: 节点 B接收此 "无线链路建立请求" 信令， 获取其中的载波 属性信息和无线链路的标识信息； 步骤 230: 节点 B根据所获取的信息在辅载波上建立标识为 4的增强型 无线链路。 节点 B在辅载波上建立标识为 4的增强型无线链路的步骤是指： 节点 B 命令终端在辅载波上建立增强型无线链路。 由于获知了无线链路的载波属性信息， 该节点 B可以指示终端在辅载波 上建立增强型无线链路， 从而避免现有技术中由于没有非服务下行高速下行 共享信道无线链路而无法建立非服务上行增强型专用信道无线链路的缺陷。
实施例三 如图 4所示， 本实施例为无线链路控制过程为无线链路增加过程时， 服 务无线网络控制器经由 IUR接口通过 RNSAP协议层发送 "无线链路增加请 求"信令给漂移无线网络控制器， 以及漂移无线网络控制器经由 IUB接口通 过 NBAP协议层发送 "无线链路增加请求"信令给节点 B的过程， 包括以下 步骤： 步骤 310: 当进行无线链路增加时， 服务无线网络控制器向漂移无线网 络控制器发送 "无线链路增加请求" 信令并将增加的增强型无线链路所在的 载波的载波属性信息和所要建立的增强型无线链路的标识信息通知给漂移无 线网络控制器； 在本实施例中， 增强型无线链路所在的载波的载波属性信息为主载波， 无线链路的标识为 3。 该无线链路增加请求指示漂移无线网络控制器在主载 波上增加标识为 3的增强型无线链路。 步骤 320: 漂移无线网络控制器接收此 "无线链路增加请求" 信令； 步骤 330: 漂移无线网络控制器向节点 B转发该携带载波属性和无线链 路的标识信息的 "无线链路增加请求" 信令， 指示节点 B增加增强型无线链 路； 该无线链路增加请求指示节点 B在主载波上增加标识为 3的无线链路。 步骤 340: 节点 B接收到此 "无线链路增加请求" 信令后， 在主载波上 增加标识为 3的增强型无线链路。 节点 B在主载波上增加标识为 3的增强型无线链路的步骤是指： 节点 B 命令终端在主载波上增加增强型无线链路。 由于获取了无线链路的载波属性信息， 该节点 B可以指示终端在主载波 上增加增强型无线链路， 从而避免现有技术中由于没有非服务下行高速下行 共享信道无线链路而无法增加非服务上行增强型专用信道无线链路的缺陷。
实施例四 如图 5所示， 本实施例为无线链路控制过程为无线链路增加过程时， 服 务无线网络控制器经由 IUB接口通过 NBAP协议层发送"无线链路增加请求" 信令给节点 B的过程， 包括以下步骤： 步骤 410: 当进行无线链路建立时， 服务无线网络控制器向节点 B发送 "无线链路增加请求 " 信令并将建立的增强型无线链路所在的载波的载波属 性信息和所要建立的增强型无线链路的标识信息通知给节点 B; 在本实施例中， 增强型无线链路所在的载波的载波属性信息为辅载波， 无线链路的标识为 4。 该无线链路增加请求指示节点 B在辅载波上增加标识 为 4的增强型无线链路。 步骤 420: 节点 B接收到此 "无线链路增加请求" 信令， 获取其中的载 波属性和无线链路的标识信息； 步骤 430: 节点 B根据所获取的信息在辅载波上增加标识为 4的增强型 无线链路。 节点 B在辅载波上增加标识为 4的增强型无线链路的步骤是指： 节点 B 命令终端在辅载波上增加增强型无线链路。 由于获知了无线链路的载波属性信息， 该节点 B可以指示终端在辅载波 上增加增强型无线链路， 从而避免现有技术中由于没有非服务下行高速下行 共享信道无线链路而无法增加非服务上行增强型专用信道无线链路的缺陷。
实施例五 如图 6所示，本实施例为无线链路控制过程为无线链路同步重配过程时， 服务无线网络控制器经由 IUR接口通过 RNSAP协议层发送 "无线链路同步 重配准备" 信令给漂移无线网络控制器， 以及漂移无线网络控制器经由 IUB 接口通过 NBAP协议层发送"无线链路同步重配请求"信令给节点 B的过程， 包括以下步骤： 步骤 510: 当进行无线链路同步重配时， 服务无线网络控制器向漂移无 线网络控制器发送 "无线链路同步重配准备" 信令并将同步重配的增强型无 线链路所在的载波的载波属性信息和所要重配的增强型无线链路的标识信息 通知给漂移无线网络控制器； 在本实施例中， 增强型无线链路所在的载波的载波属性信息为主载波， 无线链路的标识为 3。 该无线链路同步重配准备信令指示漂移无线网络控制 器在主载波上同步重配标识为 3的增强型无线链路。 步骤 520: 漂移无线网络控制器接收到此 "无线链路同步重配准备" 信 令， 获取其中的载波属性和无线链路的标识， 构造 "无线链路同步重配请求" 信令；
步骤 530: 漂移无线网络控制器向节点 B发送 "无线链路同步重配请求" 信令， 其中携带载波属性和无线链路的标识信息， 指示节点 B同步重配增强 型无线链路； 该无线链路同步重配请求信令指示节点 B在主载波上同步重配标识为 3 的增强型无线链路。 步骤 540: 节点 B接收到此 "无线链路同步重配请求" 信令后， 在主载 波上同步重配标识为 3的增强型无线链路。 节点 B在主载波上同步重配标识为 3的增强型无线链路的步骤是指： 节 点 B命令终端在主载波上同步重配增强型无线链路。 由于获知了无线链路的载波属性信息， 该节点 B可以指示终端在主载波 上同步重配增强型无线链路， 从而避免现有技术中由于没有非服务下行高速 下行共享信道无线链路而无法同步重配非服务上行增强型专用信道无线链路 的缺陷。 实施例六 如图 7所示，本实施例为无线链路控制过程为无线链路同步重配过程时， 服务无线网络控制器经由 IUB接口通过 NBAP协议层发送 "无线链路同步重 配请求 " 信令给节点 B的过程， 包括以下步骤： 步骤 610: 当进行无线链路同步重配时， 服务无线网络控制器向节点 B 发送 "无线链路同步重配请求" 信令并将同步重配的增强型无线链路所在的 载波的载波属性信息和所要重配的增强型无线链路的标识信息通知给节点 B; 在本实施例中， 增强型无线链路所在的载波的载波属性信息为辅载波， 无线链路的标识为 4。 该无线链路同步重配请求信令指示节点 B在辅载波上 同步重配标识为 4的增强型无线链路。 步骤 620: 节点 B接收到此 "无线链路同步重配请求" 信令， 获取其中 的载波属性和无线链路的标识信息； 步骤 630: 节点 B根据所获取的信息在辅载波上同步重配标识为 4的增 强型无线链路。 节点 B在辅载波上同步重配标识为 4的增强型无线链路的步骤是指： 节 点 B命令终端在辅载波上同步重配增强型无线链路。 由于获知了无线链路的载波属性信息， 该节点 B可以指示终端在辅载波 上同步重配增强型无线链路， 从而避免现有技术中由于没有非服务下行高速 下行共享信道无线链路而无法同步重配非服务上行增强型专用信道无线链路 的缺陷。
实施例 7 如图 8所示，本实施例为无线链路控制过程为无线链路异步重配过程时， 服务无线网络控制器经由 IUR接口通过 RNSAP协议层发送 "无线链路异步 重配准备" 信令给漂移无线网络控制器， 以及漂移无线网络控制器经由 IUB 接口通过 NBAP协议层发送"无线链路异步重配请求"信令给节点 B的过程， 包括以下步骤： 步骤 710: 当进行无线链路异步重配时， 服务无线网络控制器向漂移无 线网络控制器发送 "无线链路异步重配准备" 信令并将异步重配的增强型无 线链路所在的载波的载波属性信息和所要重配的增强型无线链路的标识信息 通知给漂移无线网络控制器； 在本实施例中， 增强型无线链路所在的载波的载波属性信息为主载波， 无线链路的标识为 3。 该无线链路异步重配准备信令指示漂移无线网络控制 器在主载波上异步重配标识为 3的增强型无线链路。 步骤 720: 漂移无线网络控制器接收到此 "无线链路异步重配准备" 信 令， 获取其中的载波属性和无线链路的标识信息， 构造 "无线链路异步重配 请求" 信令；
步骤 730: 漂移无线网络控制器向节点 B发送 "无线链路异步重配请求" 信令， 其中携带载波属性和无线链路的标识信息， 指示节点 B异步重配增强 型无线链路； 该无线链路异步重配请求信令指示节点 B在主载波上异步重配标识为 3 的增强型无线链路。 步骤 740: 节点 B接收到此 "无线链路异步重配请求" 信令后， 在主载 波上异步重配标识为 3的增强型无线链路。 节点 B在主载波上异步重配标识为 3的增强型无线链路的步骤是指： 节 点 B命令终端在主载波上异步重配增强型无线链路。 由于获知了无线链路的载波属性信息， 该节点 B可以指示终端在主载波 上异步重配增强型无线链路， 从而避免现有技术中由于没有非服务下行高速 下行共享信道无线链路而无法异步重配非服务上行增强型专用信道无线链路 的缺陷。
实施例八 如图 9所示，本实施例为无线链路控制过程为无线链路异步重配过程时， 服务无线网络控制器经由 IUB接口通过 NBAP协议层发送 "无线链路异步重 配请求 " 信令给节点 B的过程， 包括以下步骤： 步骤 810: 当进行无线链路异步重配时， 服务无线网络控制器发送 "无 线链路异步重配请求 " 信令并将异步重配的增强型无线链路所在的载波的载 波属性信息和所要重配的增强型无线链路的标识信息通知给节点 B; 在本实施例中， 增强型无线链路所在的载波的载波属性信息为辅载波， 无线链路标识为 4。 该无线链路异步重配请求信令指示节点 B在辅载波上同 步重配标识为 4的增强型无线链路。 步骤 820: 节点 B接收到此 "无线链路异步重配请求" 信令， 获取其中 的载波属性和无线链路标识； 步骤 830: 节点 B根据所获取的信息在辅载波上异步重配标识为 4的增 强型无线链路。 节点 B在辅载波上异步重配标识为 4的增强型无线链路的步骤是指： 节 点 B命令终端在辅载波上异步重配增强型无线链路。 由于获知了无线链路的载波属性信息， 该节点 B可以指示终端在辅载波 上异步重配增强型无线链路， 从而避免现有技术中由于没有非服务下行高速 下行共享信道无线链路而无法异步重配非服务上行增强型专用信道无线链路 的缺陷。
实现上述方法的控制系统包括无线网络控制器和非服务节点 B, 其中： 所述无线网络控制器设置为： 在非服务小区对使用双载波高速分组接入 技术的终端进行增强型无线链路控制过程中， 将所述增强型无线链路的载波 属性信息通知给所述终端所归属的非服务节点 B； 所述非服务节点 B设置为： 根据所述载波属性信息实现对所述增强型无 线链路的控制。 本发明实施例还提供了一种无线网络控制器， 其设置为： 在非服务小区对使用双载波高速分组接入技术的终端进行增强型无线链 路控制过程中 , 将所述增强型无线链路的载波属性信息通知给所述终端所归 属的非服务节点 B, 以使所述非服务节点 B根据所述载波属性信息实现对所 述增强型无线链路的控制。 当所述无线网络控制器为服务无线网络控制器时， 所述服务无线网络控 制器还设置为： 经由无线网络控制器之间互联（IUR )接口通过无线网络子 系统应用部分（RNSAP )协议层无线链路管理信令将所述增强型无线链路的 载波属性信息发送给漂移无线网络控制器 , 以使所述漂移无线网络控制器将 所述增强型无线链路的载波属性信息通知给所述终端所归属的非服务节点 B; 以及 当所述无线网络控制器为漂移无线网络控制器时， 所述漂移无线网络控 制器还设置为： 经由 B类互联（IUB )接口通过节点 B应用部分（NBAP ) 协议层无线链路管理信令将所述增强型无线链路的载波属性信息发送给非服 务节点 B。 所述无线网络控制器是设置为按如下方式将所述增强型无线链路的载波 属性信息通知给所述非服务节点 B: 服务无线网络控制器经由 B 类互联（IUB )接口通过节点 B应用部分 ( NBAP )协议层无线链路管理信令将所述增强型无线链路的载波属性信息 发送给非服务节点 B。 所述载波属性信息用于指示所述增强型无线链路所在的载波属于双载波 中的主载波还是辅载波。 无线网络控制器还设置为： 将所要控制的增强型无线链路的标识信息通 知给所述非服务节点 B。
需要说明的是， 如果不冲突， 本发明实施例以及实施例中的各个特征可 以相互结合， 均在本发明的保护范围之内。 另外， 在附图的流程图示出的步 骤可以在诸如一组计算机可执行指令的计算机系统中执行， 并且， 虽然在流 程图中示出了逻辑顺序， 但是在某些情况下， 可以以不同于此处的顺序执行 所示出或描述的步骤。
工业实用性 本发明通过在无线链路控制过程的信令中携带指定无线链路的载波属性 信息， 在无线接入网络控制实体之间进行此无线链路的载波属性信息的传递 和获取， 使得终端可以根据无线链路的载波属性信息建立上行增强型专用信 道， 以极小的改动解决双载波技术在特殊场景下的可行应用， 避免现有技术 缺陷， 使得双载波高速分组接入技术可行。

Claims

权 利 要 求 书
1、 一种双载波系统非服务上行增强型无线链路的控制方法， 包括： 在非服务小区对使用双载波高速分组接入技术的终端进行增强型无线链 路控制过程中， 无线网络控制器将所述增强型无线链路的载波属性信息通知 给所述终端所归属的非服务节点 B; 以及 所述非服务节点 B 根据所述载波属性信息对所述增强型无线链路的控 制。
2、 如权利要求 1所述的方法， 其中： 无线网络控制器将所述增强型无线链路的载波属性信息通知给所述非服 务节点 B的步骤包括： 服务无线网络控制器经由无线网络控制器之间互联（IUR )接口通过无 线网络子系统应用部分（RNSAP )协议层无线链路管理信令将所述增强型无 线链路的载波属性信息发送给漂移无线网络控制器； 以及 所述漂移无线网络控制器经由 B类互联（IUB )接口通过节点 B应用部 分（NBAP )协议层无线链路管理信令将所述增强型无线链路的载波属性信 息发送给非服务节点 B。
3、 如权利要求 1所述的方法， 其中： 无线网络控制器将所述增强型无线链路的载波属性信息通知给所述非服 务节点 B的步骤包括： 服务无线网络控制器经由 B 类互联（IUB )接口通过节点 B应用部分
( NBAP )协议层无线链路管理信令将所述增强型无线链路的载波属性信息 发送给非服务节点 B。
4、 如权利要求 1或 2或 3所述的方法， 其中： 所述载波属性信息用于指示所述增强型无线链路所在的载波属于双载波 中的主载波还是辅载波。
5、 如权利要求 1或 2或 3所述的方法， 其中： 所述控制过程为无线链路建立过程时， 所述非服务节点 B对无线链路的 控制为： 建立增强型无线链路。
6、 如权利要求 1或 2或 3所述的方法， 其中： 所述控制过程为无线链路增加过程时， 所述非服务节点 B对无线链路的 控制为： 增加增强型无线链路。
7、 如权利要求 1或 2或 3所述的方法， 其中： 所述控制过程为无线链路同步重配过程时， 所述非服务节点 B对无线链 路的控制为： 同步重配增强型无线链路。
8、 如权利要求 1或 2或 3所述的方法， 其中： 所述控制过程为无线链路异步重配过程时， 所述非服务节点 B对无线链 路的控制为： 异步重配增强型无线链路。
9、 如权利要求 1或 2或 3所述的方法， 其中： 无线网络控制器将所述增强型无线链路的载波属性信息通知给所述终端 所归属的非服务节点 B的步骤中， 无线网络控制器还将所要控制的增强型无 线链路的标识信息通知给所述非服务节点 B。
10、 一种双载波系统非服务上行增强型无线链路的控制系统， 其包括无 线网络控制器和非服务节点 B, 其中： 所述无线网络控制器设置为： 在非服务小区对使用双载波高速分组接入 技术的终端进行增强型无线链路控制过程中， 将所述增强型无线链路的载波 属性信息通知给所述终端所归属的非服务节点 B； 所述非服务节点 B设置为： 根据所述载波属性信息实现对所述增强型无 线链路的控制。
11、 一种无线网络控制器， 其设置为： 在非服务小区对使用双载波高速分组接入技术的终端进行增强型无线链 路控制过程中 , 将所述增强型无线链路的载波属性信息通知给所述终端所归 属的非服务节点 B, 以使所述非服务节点 B根据所述载波属性信息实现对所 述增强型无线链路的控制。
12、 如权利要求 11所述的无线网络控制器， 其中： 当所述无线网络控制器为服务无线网络控制器时， 所述服务无线网络控 制器还设置为： 经由无线网络控制器之间互联（IUR )接口通过无线网络子 系统应用部分 ( RNSAP )协议层无线链路管理信令将所述增强型无线链路的 载波属性信息发送给漂移无线网络控制器 , 以使所述漂移无线网络控制器将 所述增强型无线链路的载波属性信息通知给所述终端所归属的非服务节点 B; 以及 当所述无线网络控制器为漂移无线网络控制器时， 所述漂移无线网络控 制器还设置为： 经由 B类互联（IUB )接口通过节点 B应用部分（NBAP ) 协议层无线链路管理信令将所述增强型无线链路的载波属性信息发送给非服 务节点 B。
13、 如权利要求 11所述的无线网络控制器， 其中： 所述无线网络控制器是设置为按如下方式将所述增强型无线链路的载波 属性信息通知给所述非服务节点 B: 服务无线网络控制器经由 B 类互联（IUB )接口通过节点 B应用部分 ( NBAP )协议层无线链路管理信令将所述增强型无线链路的载波属性信息 发送给非服务节点 B。
14、 如权利要求 11或 12或 13所述的无线网络控制器， 其中： 所述载波属性信息用于指示所述增强型无线链路所在的载波属于双载波 中的主载波还是辅载波。
15、 如权利要求 11或 12或 13所述的无线网络控制器， 其中： 无线网络控制器还设置为： 将所要控制的增强型无线链路的标识信息通 知给所述非服务节点 B。
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CN102123366A (zh) 2011-07-13
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EP2458901A4 (en) 2015-08-19
EP2458901B1 (en) 2019-03-20

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