WO2012103779A1 - 一种无线承载的建立方法、接入点设备、用户设备及系统 - Google Patents

一种无线承载的建立方法、接入点设备、用户设备及系统 Download PDF

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Publication number
WO2012103779A1
WO2012103779A1 PCT/CN2012/070216 CN2012070216W WO2012103779A1 WO 2012103779 A1 WO2012103779 A1 WO 2012103779A1 CN 2012070216 W CN2012070216 W CN 2012070216W WO 2012103779 A1 WO2012103779 A1 WO 2012103779A1
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Prior art keywords
radio bearer
service data
service
data flow
qos
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PCT/CN2012/070216
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English (en)
French (fr)
Inventor
田野
赵瑾波
刘洋
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电信科学技术研究院
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Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Priority to US13/983,045 priority Critical patent/US9674850B2/en
Priority to EP12742767.2A priority patent/EP2672752B1/en
Publication of WO2012103779A1 publication Critical patent/WO2012103779A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS

Definitions

  • indoor and hotspot data services are that users usually have fixed or very low-speed mobile (nomadic mobile) and have low requirements for mobility.
  • data services are mainly Internet services based on Internet Protocol (IP), and services.
  • IP Internet Protocol
  • QoS Quality of Service
  • IP Internet Protocol
  • QoS Quality of Service
  • carrier-class service Because the traditional cellular mobile communication system is mainly for high-speed mobile, seamlessly switching carrier-class service design, when it carries large-flow and low-speed IP data packet services, the efficiency is low and the cost is too high. Therefore, cellular mobile network operators need to find low-cost, high-capacity solutions for wireless data access in indoor and hotspot areas. At present, there are mainly two solutions as follows.
  • the first is a wireless local area network (WLAN) solution based on unlicensed bands, such as the Wireless Fidelity (WiFi) system for hotspot offloading data services.
  • WLAN wireless local area network
  • WiFi Wireless Fidelity
  • the solution is mainly to loosely couple the WLAN system and the 3G system, implement authentication and charging in the core network through the 3G system, and implement wireless network access through the WLAN.
  • the above-mentioned architecture can serve as a better data service diversion for hotspot coverage.
  • the user's physical risk difference is poor, and the WLAN radio access technology is restricted. Services with QoS guarantees cannot be provided to users; and link shields are susceptible to interference from other systems.
  • the second is a solution based on femtocell base stations (also known as home base stations, Femto) to address data traffic demands in indoor and hotspot areas.
  • the solution features a shorter indoor distance and a smaller number of users.
  • the transmission power of the home base station is equivalent to that of the mobile terminal, and is generally below 23 dBm, and the number of users is usually 8-20.
  • Figure 2 shows the architecture of the Long Term Evolution (LTE) Femto network.
  • LTE Long Term Evolution
  • the home base station has lower cost and more flexible deployment than the indoor coverage system and the micro base station, and plays a role in enhancing the indoor user data service experience to a certain extent.
  • the home base station Femto is not optimized for the low-mobility or nomadic mobile data of the indoor data service.
  • the LTE Femto basically adopts the complete protocol architecture and interface design of LTE, and supports terminal handover. On the one hand, the implementation is complicated, but the base station capacity and power are reduced, so the cost has always been high.
  • the home base station network In addition, in the home base station network, most of the communication processing procedures of the terminal need to be controlled and managed by the 3GPP core network, and the data packets of the external network such as the terminal accessing the Internet need to be forwarded by the 3GPP core network, thus causing a great letter to the core network. Order and data load.
  • This architecture also makes the home base station network unable to respond to the characteristics of indoor and hotspot users' local access and access to external networks. Chemical.
  • the LTE Femto system architecture is complex and costly, and the communication process of the terminal will bring a large load impact to the 3GPP core network, while the WLAN technology is relatively simple.
  • the WLAN technology is relatively simple.
  • the embodiment of the present invention provides a method for establishing a radio bearer, an access point device, a user equipment, and a wireless network access system, which are suitable for the current indoor and hotspot data service features.
  • the user equipment UE decomposes the IP data stream of the upper layer service into a plurality of service data streams of different quality of service QoS requirements according to media parameter information of the upper layer service, and determines a QoS parameter corresponding to each service data stream;
  • the UE carries the information of each service data flow of the upper layer service and the corresponding QoS parameter in the radio bearer setup request and sends the information to the radio access point AP;
  • the UE After receiving the radio bearer setup response returned by the AP, the UE establishes a corresponding radio bearer for each service data flow according to the QoS parameters that the AP carried in the radio bearer setup response can provide for each service data flow. And establishing a mapping relationship between each service data flow and a corresponding radio bearer;
  • the UE returns a response message that the radio bearer setup is completed to the AP.
  • the access point AP receives the radio bearer setup request sent by the user equipment UE;
  • the radio bearer setup request includes information of multiple service data flows having different quality of service QoS requirements in the upper layer service determined by the UE, and each service data.
  • the AP establishes a corresponding radio bearer for each service data flow in the upper layer service according to the determined QoS parameter;
  • the radio bearer setup response that can provide QoS parameters for each service data flow in the upper layer service, and receiving a response message that the radio bearer setup completion returned by the UE is completed;
  • the AP establishes a mapping relationship between each service data flow and a radio bearer.
  • a user equipment UE provided by the embodiment of the present invention includes: an application module, a management control module, and a wireless communication module, where:
  • the application module is configured to provide media parameter information of an upper layer service to the management control module;
  • the management control module is configured to divide the IP data stream of the upper layer service according to the media parameter information of the upper layer service. Decoding a service data flow of a plurality of different quality of service QoS requirements, and determining a QoS parameter corresponding to each service data flow, and generating a radio bearer establishment request for carrying information of each service data flow of the upper layer service and a corresponding QoS parameter; And controlling, according to the QoS parameter that the access point AP can provide for each service data flow, according to the radio bearer setup response received by the wireless communication module, controlling the wireless communication module to establish a corresponding radio bearer for each service data flow; and in the radio bearer After the establishment is completed, establishing a mapping relationship between each service data flow and a corresponding radio bearer, and configuring the mapping relationship to the wireless communication module;
  • the wireless communication module is configured to send the radio bearer setup request to the AP, receive a radio bearer setup response returned by the AP, and return a response message of the radio bearer setup completion to the AP after the radio bearer is established;
  • the mapping relationship configured by the management control module is configured to map each service data flow of the upper layer service to a corresponding radio bearer for transmission.
  • An access point AP device provided by the embodiment of the present invention includes: a wireless communication module, a management control module, and a data storage module, where:
  • the wireless communication module is configured to receive a radio bearer setup request sent by the user equipment UE, where the radio bearer setup request includes information of multiple service data flows having different service shield QoS requirements in the upper layer service determined by the UE, And a QoS parameter corresponding to each service data flow; and a response message that receives the completion of the radio bearer setup returned by the UE; and mapping each service data flow of the upper layer service to a corresponding one according to the mapping relationship configured by the management control module Transmission on the radio bearer;
  • the management control module is configured to determine, according to the QoS parameter corresponding to each service data flow in the radio bearer setup request and the QoS policy information stored by the data storage module, when determining that the upper layer service can be served, determining that the upper layer can be the upper layer a QoS parameter provided by each service data flow in the service; and, according to the determined QoS parameter, controlling the wireless communication module to establish a corresponding radio bearer for each service data flow in the upper layer service, and using the wireless communication module to Returning that the UE returns a radio bearer setup response capable of providing QoS parameters for each service data flow in the upper layer service; when the radio communication module returns the radio bearer setup response to the UE or receives the radio communication module After the response message of the radio bearer that is returned by the UE is completed, the mapping relationship between the service data flows and the radio bearers is established, and the mapping relationship is configured to the wireless communication module;
  • the data storage module is configured to store pre-configured QoS policy information.
  • the user equipment UE is configured to decompose the IP data stream of the upper layer service into service data flows of different service quality QoS requirements according to the media parameter information of the upper layer service, and determine a QoS parameter corresponding to each service data flow, and The information of the service data flow of the upper layer service and the corresponding QoS parameter are carried in the radio bearer setup request and sent to the AP of the wireless access point; and after receiving the radio bearer setup response returned by the AP device, The QoS parameter that the AP device can provide for each service data flow, establish a corresponding radio bearer for each service data flow, and establish a mapping relationship between each service data flow and the radio bearer; return the radio bearer establishment to the AP device. Completed response message;
  • the AP device is configured to receive a radio bearer setup request sent by the user equipment UE, according to the QoS parameter corresponding to each service data flow in the radio bearer request, and the locally pre-configured QoS policy information, when it is determined that the upper layer service can be served Determining a QoS parameter that can be provided for each service data flow in the upper layer service; and establishing, according to the determined QoS parameter, a corresponding radio bearer for each service data flow in the upper layer service, and returning to the UE to carry
  • Each service data stream in the upper layer service provides a radio bearer setup response of the QoS parameter and a response message that receives the radio bearer setup completion returned by the UE; and establishes a mapping relationship between each service data stream and the radio bearer.
  • the present invention provides a new radio access network for the coverage problem of indoor and hotspot areas, and provides a new radio bearer establishment method, UE and AP adapted to the new radio access network. device.
  • the IP data flow of the service application is divided into a plurality of service data flows having different QoS requirements, and the QoS parameters of each service data flow are determined, and then the UE uses the information of the service data flows. And corresponding QoS parameters are sent to the AP, and the AP determines whether the service data flow can be served according to the local QoS policy.
  • the AP allocates the wireless resource to the service data flow and establishes a corresponding radio bearer, and Binding; the UE side also establishes a corresponding radio bearer for each service data flow and binds the two in the process, so that in the uplink and downlink data transmission, according to the QoS requirements of different service data flows, the AP and the UE
  • the IP data stream of the upper layer service can be decomposed into service data streams and mapped to corresponding radio bearers for transmission, and a perfect QoS service mechanism is implemented in the new radio access network.
  • the new radio access network provided by the embodiment of the present invention is simple to implement the LTE underlying communication technology for the indoor and hotspot data service features, and can provide carrier-level QoS guarantee services for the UE, and the QoS is related.
  • the operation does not require the participation of the core network node, which greatly reduces the signaling load of the core network, and avoids the existing WLAN-based solution based on the unlicensed frequency band cannot provide QoS guarantee service for the UE, and the existing solution based on the home base station.
  • the problem of complex and core network signaling load is heavy.
  • FIG. 1 is a network architecture diagram of a WLAN-based solution in the prior art
  • FIG. 2 is a network architecture diagram of a home base station solution in the prior art
  • FIG. 3 is a schematic structural diagram of an LTE-LAN according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a layered QoS architecture model according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for establishing a radio bearer according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a radio bearer modification process according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of a radio bearer deletion process according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure
  • FIG. 9 is a schematic structural diagram of an access point device according to an embodiment of the present invention. detailed description
  • the architecture of the radio bearer provided by the embodiment of the present invention, the user equipment, the access point device, and the radio access system are based on the architecture of the Long Term Evolution Local Area Network (LTE-LAN) provided by the embodiment of the present invention.
  • LTE-LAN Long Term Evolution Local Area Network
  • the embodiment of the present invention provides an LTE implemented based on the underlying communication technology of the LTE mobile communication system.
  • the LTE-LAN architecture includes a User Equipment (UE), an access point (AP) of the wireless network, and an Operation Administration and Maintenance (Operation Administration and Maintenance, OAM) entity
  • UE User Equipment
  • AP access point
  • OAM Operation Administration and Maintenance
  • LTE-LAN uses the existing LTE mobile communication system layer 1, layer 2 and layer 3 technologies to establish a wireless link with security and QoS guarantee between the UE and the AP, and transforms the network architecture of the existing LTE system.
  • the high-level protocol realizes IP access of the terminal to the external network without being processed by the operator's core network.
  • the hierarchical QoS architecture model described in Figure 4 is used to implement end-to-end services.
  • the end-to-end service QoS guarantee is ensured by the bearer service inside the LTE-LAN and the bearer service between the LTE-LAN and the external network, and the LTE-LAN bears the service, specifically through the UE (such as LTE-LAN in FIG. 4).
  • the radio bearer service between the UE and the AP (such as LTE-LAN-AP in FIG. 4) is implemented, in other words, specifically implemented by the radio bearer service on the LTE-Uu interface in FIG.
  • the embodiment of the present invention provides a radio bearer service implementation mechanism.
  • the method includes the following steps:
  • the UE decomposes the IP data stream of the upper layer service into service data flows of different service quality QoS requirements according to the media parameter information of the uplink service, and determines a QoS parameter corresponding to each service data flow.
  • the UE When the user uses the UE to initiate an upper layer service application (for example, the user browses an Internet webpage, including audio and video content), the UE first obtains media parameter information (such as type, rate, IP/UDP parameters, etc.) of the upper layer service, and according to The media parameter information of the upper layer service application divides the IP data stream required for the Internet web browsing into the audio service data stream and the video service data stream, and determines the QoS parameter information of the two types of service data streams.
  • media parameter information such as type, rate, IP/UDP parameters, etc.
  • the UE carries the information of each service data flow of the upper layer service and the corresponding QoS parameter in the radio bearer setup request and sends the request to the AP;
  • the AP After receiving the radio bearer setup request sent by the user equipment UE, the AP determines whether the upper layer is the QoS parameter corresponding to each service data flow in the radio bearer request and the locally pre-configured QoS policy information.
  • the service provides the service; and when the judgment result is yes, further determines the QoS parameters that can be provided for each service data flow in the upper layer service;
  • the QoS policy information determines which network service the UE's IP service flow will receive in the network.
  • the QoS policy information may include a priority, a data maximum transmission delay, a packet loss rate, and a bandwidth service type (which is a fixed bandwidth). Policy information such as service sharing bandwidth service), preemption priority, and maximum data transmission rate.
  • the QoS policy information may be set for the UE in the network, or for each service data flow. For example, the priority corresponding to each service data flow, the maximum transmission delay of the data transmission, and the like may be set, or some UEs may be given higher priority.
  • the specific form of the QoS policy information is not limited, and the other UEs enjoy the lower priority and the lower transmission rate.
  • the network administrator can configure the local network QoS policy through the 0AM entity.
  • the AP establishes, according to the determined QoS parameter, a corresponding radio bearer for each service data flow in the upper layer service.
  • the AP returns a radio 7-7c carrying response to the UE that carries the QoS parameter that can be provided for each service data flow in the upper layer service.
  • step S503 if the AP determines that it cannot provide services for the upper layer service, the AP returns a radio bearer establishment failure response to the UE, and terminates the radio bearer establishment procedure.
  • the UE After receiving the radio bearer setup response returned by the AP, the UE establishes a corresponding radio bearer for each service data flow according to the QoS parameter that the AP can provide for each service data flow, and establishes each service data. a mapping relationship between the flow and the corresponding radio bearer;
  • the UE returns a response message that the radio bearer is established to the AP.
  • the AP establishes a mapping relationship between each service data flow and a corresponding radio bearer.
  • the foregoing step S508 may be performed when the AP returns a radio bearer setup response to the UE, or may be executed after receiving the response message of the radio bearer setup completion returned by the UE.
  • a radio bearer is established for each service data flow and is bound to the corresponding service data flow, so that each service data flow with the same QoS in the IP data flow of the upper layer service can be
  • the corresponding radio bearer transmits and enjoys the same QoS service. All transmitted on the same radio bearer are service data streams with the same QoS requirements.
  • the UE may further include the following steps: For each service data flow, the UE determines whether the service data flow can be satisfied between the self and the AP.
  • the UE determines that the existing QoS in the network is the same as the QoS of the audio service data stream, the UE will initiate a radio bearer modification process, requesting the AP to allocate more resources for the bearer, for adding new audio.
  • the transmission of service data streams For example, if the UE determines that the existing QoS in the network is the same as the QoS of the audio service data stream, the UE will initiate a radio bearer modification process, requesting the AP to allocate more resources for the bearer, for adding new audio. The transmission of service data streams.
  • the foregoing radio bearer modification process as shown in FIG. 6, specifically includes:
  • the UE sends a radio bearer modification indication to the AP, and indicates that the radio bearer is configured to re-allocate the radio resource to meet the QoS requirement of the service data stream.
  • the AP After the receiving the radio bearer modification indication, the AP re-allocates the radio resource for the radio bearer to be modified; S603, the AP can carry the QoS parameter provided by the service data stream corresponding to the modified radio bearer in the radio bearer modification request. Returning to the UE; and establishing a mapping relationship between the service data stream and the modified radio bearer; or taking the audio service data stream as an example, in this step S603, the newly added audio service data stream and the modification are needed. After the radio bearer is bound.
  • the UE After receiving the radio bearer modification request returned by the AP, the UE locally modifies the parameter configuration of the radio bearer according to the QoS parameter that the AP can provide for the service data flow, and establishes the service data flow and the modified wireless Mapping relationship between bearers;
  • the UE also needs to bind the newly added service data stream with the modified radio bearer.
  • the UE returns a wireless load to the AP.
  • the modification procedure of the foregoing radio bearer may also be initiated by the UE or directly initiated by the AP if the media parameters of the upper layer service are changed, or the network administrator changes the QoS policy in the ⁇ entity. If it is directly initiated by the AP, the above step S601 is not included.
  • the radio bearer deletion process includes the following steps:
  • the UE sends a radio bearer deletion indication to the AP.
  • the AP releases the radio resource of the radio bearer that needs to be deleted, and sends a request for deleting the radio bearer to the UE.
  • S704 The UE returns a response to the completion of the radio bearer deletion to the AP.
  • the process of deleting the radio bearer may be initiated by the UE, or may be directly initiated by the AP. If the AP is directly initiated, the foregoing step S701 is not included.
  • the embodiment of the present invention further provides a user equipment UE, an access point AP device, and a wireless access system.
  • the principle of solving the problem by the user equipment, the access point device, and the wireless access system is the same as the foregoing.
  • Wireless The methods for establishing bearers are similar. Therefore, the implementation of these methods can be referred to the implementation of the foregoing methods, and the repeated description will not be repeated.
  • the user equipment provided by the embodiment of the present invention includes: an application module 801, a management control module 802, and a wireless communication module 803, where:
  • the application module 801 is configured to provide the management control module 802 with media parameter information (such as type, rate, and IP/UDP parameters) of the upper layer service.
  • media parameter information such as type, rate, and IP/UDP parameters
  • the management control module 802 is configured to decompose the IP data stream of the upper layer service into service data flows of different service quality QoS requirements according to the media parameter information of the upper layer service, and determine a QoS parameter corresponding to each service data flow, and Generating a radio bearer setup request carrying information of each service data flow of the upper layer service and corresponding QoS parameters; and QoS parameters that the AP can provide for each service data flow according to the radio bearer setup response received by the wireless communication module 803,
  • the control wireless communication module 803 establishes a corresponding radio bearer for each service data stream; and after the radio bearer is established, establishes a mapping relationship between each service data stream and the corresponding radio bearer, and configures the mapping relationship to the wireless communication module 803. ;
  • the wireless communication module 803 is configured to send a radio bearer setup request generated by the management control module 802 to the AP, and receive a radio bearer setup response returned by the AP, and establish a corresponding radio for each service data flow under the control of the management control module 802. Carrying; and mapping the service data streams of the upper layer service to the corresponding radio bearers according to the mapping relationship configured by the management control module 802.
  • the foregoing management control module 802 is further configured to determine, for each service data flow, whether there is a radio bearer that can satisfy the QoS requirement of the service data flow between the UE to which the UE belongs and the AP; if yes, pass the wireless
  • the communication module sends a radio bearer modification indication to the AP, indicating that the radio bearer is re-allocated to the radio bearer that can satisfy the QoS requirement of the service data stream; receiving the radio bearer modification request returned by the AP according to the radio bearer modification indication; receiving the AP return After the radio bearer modification request, the parameter configuration of the radio bearer is locally modified according to the QoS parameter that the AP can provide for the service data flow, and the radio bearer modification completion response is returned to the AP through the wireless communication module; A mapping relationship between the service data stream and the radio bearer capable of satisfying the QoS requirement of the service data stream.
  • the foregoing management control module 802 is further configured to send a radio bearer deletion indication to the AP by using the wireless communication module 803 when the radio bearer between the UE and the AP to which the UE belongs is deleted. And when the wireless communication module 803 receives the deleted radio bearer request returned by the AP, the radio resource of the radio bearer that needs to be deleted is placed, and the response of the radio bearer deletion completion is returned to the AP by the wireless communication module 803.
  • a QoS management configuration sub-module dedicated to QoS management may be configured to complete various functions of the management control module 802.
  • the AP device provided by the embodiment of the present invention, as shown in FIG. 9, includes: a wireless communication module 901, a management control module Block 902 and data storage module 903, wherein:
  • the wireless communication module 901 is configured to receive a radio bearer setup request sent by the UE, where the radio bearer setup request includes information of multiple service data flows having different quality of service QoS requirements in the upper layer service determined by the UE, and corresponding QoS parameters; And receiving a response message that the radio bearer is completed by the UE, and mapping the service data flows of the upper layer service to the corresponding radio bearers according to the mapping relationship configured by the management control module 902.
  • the management control module 902 is configured to perform wireless
  • the QoS parameter corresponding to each service data flow in the bearer setup request and the QoS policy information stored by the data storage module are determined to determine whether the service can be provided for the upper layer service, and when the determination result is yes, the service data of the upper layer service can be determined.
  • the wireless communication module 901 is configured to establish a corresponding radio bearer for each service data flow in the upper layer service according to the determined QoS parameter; and returning to the UE by using the wireless communication module 901 Service data flow in the upper layer service
  • the radio bearer setup response of the QoS parameter is provided; after the radio communication module 901 returns the radio bearer setup response to the UE or after the radio communication module 901 receives the response message that the radio bearer setup completed by the UE is completed, each service is established.
  • the data storage module 903 is configured to store pre-configured QoS policy information.
  • the foregoing management control module 902 is further configured to: when the radio communication module receives the radio bearer modification indication initiated by the UE, or locally needs to modify the parameter configuration of the radio bearer, control the radio communication.
  • the module 901 re-allocates the radio resource to the radio bearer to be modified; the QoS parameter that the subordinate AP can provide for the service data stream corresponding to the modified radio bearer is carried in the radio bearer modification request, and is returned to the UE through the radio communication module 901;
  • the foregoing wireless communication module 901 is further configured to: after the management control module 902, re-allocate radio resources for the radio bearer to be modified, and send a radio bearer modification request to the UE; and receive the UE to return according to the radio bearer modification request.
  • the radio bearer modification completes the response; and establishes a mapping relationship between the service data flow and the modified radio bearer.
  • the management control module 902 is further configured to: when the radio communication module 901 receives the radio bearer deletion indication sent by the UE, or if the radio bearer needs to be deleted locally, the radio communication module 901 is controlled. Release the radio resource of the radio bearer that needs to be deleted, and send a radio bearer request to the UE by using the wireless communication module 901;
  • the wireless communication module 901 is further configured to receive a response that the UE deletes the radio bearer that is returned according to the deleted radio bearer request.
  • the foregoing AP device provided by the embodiment of the present invention, as shown in FIG. 9, may further include: a route forwarding module 904 and an interface module 905;
  • the foregoing management control module 902 controls the packet forwarding mechanism of the route forwarding module 904 based on the QoS requirements of the UE service, and implements mapping of the radio bearer to the external bearer service, thereby ensuring data packets in the LTE-Uu. QoS requirements for transmission on other interfaces than interfaces.
  • the QoS management configuration function module can use the DifEServ technology at the IP layer to distinguish the forwarding priorities of different packets through the routing and forwarding module, thereby preferentially guaranteeing high priority.
  • the transmission of the level packets enables the external bearer to provide QoS-guaranteed services for the terminal services.
  • the interface module 905 is mainly responsible for the management and maintenance functions of the interface II between the AP and the external network in the LTE-LAN.
  • a QoS management configuration sub-module dedicated to QoS management may be configured to complete various functions of the management control module 902.
  • the wireless access system provided by the embodiment of the present invention, as shown in FIG. 3, includes:
  • the user equipment UE is configured to decompose the IP data stream of the upper layer service into service data streams of different service shield QoS requirements according to the media parameter information of the upper layer service, and determine a QoS parameter corresponding to each service data stream, and Transmitting the information of the service data flow of the upper layer service and the corresponding QoS parameter in the radio bearer setup request and sending the request to the radio access point AP device; and after receiving the radio bearer setup response returned by the AP device, according to the The QoS parameter that the AP device can provide for each service data flow, establish a corresponding radio bearer for each service data flow, and establish a mapping relationship between each service data flow and a corresponding radio bearer; return to the AP device The radio bearer establishes a completed response message;
  • the AP device is configured to receive a radio bearer setup request sent by the user equipment UE, and determine whether the service can be provided for the upper layer service according to the QoS parameter corresponding to each service data flow in the radio bearer request and the locally preconfigured QoS policy information.
  • the wireless access system provided by the embodiment of the present invention further includes: an operation management and maintenance 0AM entity, which is connected to the AP device, and is used to provide an interface for the network administrator to configure QoS policy information.
  • an operation management and maintenance 0AM entity which is connected to the AP device, and is used to provide an interface for the network administrator to configure QoS policy information.
  • the 0AM entity may be set in the same physical device as the AP, or may be divided into two different physical devices, which is not limited in the embodiment of the present invention.
  • the present invention provides a new radio access network for the coverage problem of indoor and hotspot areas, and provides a new radio bearer establishment method, UE and AP adapted to the new radio access network. device.
  • the IP data flow of the service application is divided into a plurality of service data flows having different QoS requirements, and the QoS parameters of each service data flow are determined, and then the UE uses the information of the service data flows. And corresponding QoS parameters are sent to the AP, and the AP determines whether it can provide services for the service data flow according to the local QoS policy, in determining the situation.
  • the AP allocates radio resources for the service data flow and establishes corresponding radio bearers, and binds the two; the UE side also establishes corresponding radio bearers for each service data flow and binds the two in the process.
  • the AP and the UE can decompose the IP data stream of the upper layer service into the service data stream and respectively map to the corresponding radio bearer for transmission, in the above new
  • a complete QoS service mechanism is implemented in the wireless access network.
  • the new radio access network provided by the embodiment of the present invention is simple to implement the LTE underlying communication technology for the indoor and hotspot data service features, and can provide carrier-level QoS guarantee services for the UE, and the QoS is related.
  • the operation does not require the participation of the core network node, which greatly reduces the signaling load of the core network, and avoids the existing WLAN-based solution based on the unlicensed frequency band cannot provide QoS guarantee service for the UE, and the existing solution based on the home base station.
  • the problem of complex and core network signaling load is heavy.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
  • a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Description

一种无线承载的建立方法、 接入点设备、 用户设备及系统 本申请要求在 2011年 1月 31日提交中国专利局、 申请号为 201110034298.4、发明名称 为 "一种无线承载的建立方法、接入点设备、用户设备及无线接入系统"的中国专利申请的 优先权, 其全部内容通过引用结合在本申请中。
技术领域
近年来, 随着移动互联网 (Mobile Internet )和智能手机的普及, 移动数据流量需求飞 速增长, 且室内数据业务占据了相当大一部分比例。 室内和热点数据业务特征为用户通常 为固定或者非常低速移动(游牧移动), 对移动性要求不高; 另一方面, 数据业务主要为基 于因特网协议 ( Internet Protocol, IP ) 的 Internet业务, 对服务质量 ( Quality of Service, QoS )的要求比较单一, 而且远远低于电信級业务对 QoS的要求。 因为传统的蜂窝移动通 信系统主要面向的是高速移动,无缝切换的电信级业务设计, 当其承载大流量低速 IP数据 包业务时, 效率偏低, 成本过高。 因此, 蜂窝移动网络运营商需要找出低成本, 高容量, 适合室内及热点地区无线数据接入的解决方案。 目前主要存在如下 2种解决方案。
第一种是基于非授权频段的无线局域网 (WLAN ) 的解决方案, 如无线保真技术 ( Wireless Fidelity, WiFi ) 系统进行热点分流数据业务的方法。 如图 1所示, 该方案主要 是将 WLAN系统和 3G系统松耦合, 通过 3G系统在核心网实现认证和计费, 通过 WLAN 实现无线网络接入。
采用上述架构对热点地区覆盖能够起到较好的数据业务分流作用, 但是由于采用了两 套不同的标准体系和系统, 用户体险差较差, 收到 WLAN无线接入技术的限制, 该网络 不能为用户提供具有 QoS保证的服务; 并且链路盾量容易受到其他系统的千扰。
第二种是基于毫微微蜂窝式基站(又称为家庭基站, Femto )解决室内和热点地区数 据业务流量需求的解决方案。 该解决方案具有覆盖室内距离更短, 用户数目较少的特点。 具体来讲家庭基站的发射功率和手机终端相当,一般在 23dBm以下,用户数通常在 8 ~ 20。 图 2给出了长期演进(Long Term Evolution, LTE ) Femto网络架构示意图。
家庭基站相对室内覆盖系统和微基站成本更低, 部署更灵活, 在一定程度上起到了增 强室内用户数据业务体验的作用。 但是, 不足之处在于: 家庭基站 Femto并没有针对室内 数据业务低移动或游牧移动的特点进行优化, 以 LTE Femto系统为例, LTE Femto基本采 用了 LTE完整的协议架构和接口设计, 支持终端切换, 一方面实现复杂, 只是在基站容量 和功率方面降低, 所以成本一直居高不下。 另外, 家庭基站网络中, 终端大多数通信处理 流程都需要由 3GPP核心网控制和管理, 终端访问 Internet等外部网络的数据分组需要有 3GPP核心网进行转发, 这样给核心网造成和很大的信令及数据负荷。 这种架构也使得家 庭基站网络无法针对室内及热点地区用户本地接入并访问外部网络的特点进行相应的优 化。
对于室内及热点地区的接入和覆盖问题, LTE Femto系统架构较为复杂, 成本较高, 且终端的通信过程将给 3GPP核心网带来较大的负荷冲击,而 WLAN技术虽然组网相对较 为简单, 但是无法为终端提供电信级业务 QoS保证服务。 发明内容
本发明实施例针对目前室内和热点数据业务特征, 提供了与之相适应的一种无线承载 的建立方法、 接入点设备、 用户设备和无线网络接入系统。
本发明实施例提供的一种无线承载的建立方法, 包括:
用户设备 UE根据上层业务的媒体参数信息,将该上层业务的 IP数据流分解为多个不 同服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数;
所述 UE将该上层业务的各服务数据流的信息及对应的 QoS参数携带在无线承载建立 请求中并发送至无线接入点 AP;
所述 UE在收到所述 AP返回的无线承载建立响应后, 根据所述无线承载建立响应中 携带的 AP能够为各服务数据流提供的 QoS参数, 为各服务数据流建立相应的无线承载, 并建立各服务数据流与对应的无线承载的映射关系;
所述 UE向所述 AP返回无线承载建立完成的响应消息。
本发明实施例提供的一种无线承载的建立方法, 包括:
接入点 AP接收用户设备 UE发出的无线承载建立请求; 所述无线承载建立请求包含 所述 UE确定的上层业务中具有不同服务质量 QoS需求的多个服务数据流的信息, 以及每 一服务数据流对应的 QoS参数;
所述 AP根据所述无线承载请求中各服务数据流对应的 QoS参数以及本地预先配置的 QoS策略信息, 当确定能为该上层业务提供服务时, 确定能够为该上层业务中各服务数据 流提供的 QoS参数;
所述 AP根据确定的 QoS参数, 分别为该上层业务中的各服务数据流建立对应的无线 承载;
所述 AP向所述 UE返回携带有能够为该上层业务中各服务数据流提供 QoS参数的无 线承载建立响应, 以及接收 UE返回的无线承载建立完成的响应消息;
所述 AP建立各服务数据流与无线承载之间的映射关系。
本发明实施例提供的一种用户设备 UE, 包括: 应用模块、 管理控制模块和无线通信 模块, 其中:
所述应用模块, 用于向管理控制模块提供上层业务的媒体参数信息;
所述管理控制模块,用于根据上层业务的媒体参数信息,将该上层业务的 IP数据流分 解为多个不同服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数, 生成携带有该上层业务的各服务数据流的信息及对应的 QoS参数的无线承载建立请求;以 及根据所述无线通信模块接收的无线承载建立响应中接入点 AP能够为各服务数据流提供 的 QoS参数,控制所述无线通信模块为各服务数据流建立相应的无线承载; 以及在无线承 载建立完成之后, 建立各服务数据流与对应的无线承载的映射关系, 并将所述映射关系配 置给所述无线通信模块;
所述无线通信模块, 用于将所述无线承载建立请求发送至 AP; 接收 AP返回的无线承 载建立响应; 在无线承载建立完成后向所述 AP返回无线承载建立完成的响应消息; 以及 根据所述管理控制模块配置的映射关系, 将所述上层业务的各服务数据流映射至对应的无 线承载上传输。
本发明实施例提供的一种接入点 AP设备, 包括: 无线通信模块、 管理控制模块和数 据存储模块, 其中:
所述无线通信模块, 用于接收用户设备 UE发出的无线承载建立请求, 所述无线承载 建立请求包含所述 UE确定的上层业务中具有不同服务盾量 QoS需求的多个服务数据流的 信息, 以及每一服务数据流对应的 QoS参数; 以及接收 UE返回的无线承载建立完成的响 应消息; 以及根据所述管理控制模块配置的映射关系, 将所述上层业务的各服务数据流映 射至对应的无线承载上传输;
所述管理控制模块,用于根据所述无线承载建立请求中各服务数据流对应的 QoS参数 以及数据存储模块存储的 QoS策略信息, 当确定能为该上层业务提供服务时, 确定能够为 该上层业务中各服务数据流提供的 QoS参数; 以及根据确定的 QoS参数, 控制所述无线 通信模块分别为该上层业务中的各服务数据流建立对应的无线承载; 并通过所述无线通信 模块向所述 UE返回携带有能够为该上层业务中各服务数据流提供 QoS参数的无线承载建 立响应; 在所述无线通信模块向所述 UE返回所述无线承载建立响应时或在所述无线通信 模块接收所述 UE返回的无线承载建立完成的响应消息之后, 建立所述各服务数据流与无 线承载之间的映射关系, 并将所述映射关系配置给无线通信模块;
所述数据存储模块, 用于存储预先配置的 QoS策略信息。
本发明实施例提供的一种无线网各接入系统包括:
用户设备 UE, 用于根据上层业务的媒体参数信息, 将该上层业务的 IP数据流分解为 多个不同服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数, 并 将该上层业务的各服务数据流的信息及对应的 QoS 参数携带在无线承载建立请求中并发 送至无线接入点 AP设备; 以及在收到所述 AP设备返回的无线承载建立响应后, 根据所 述响应中该 AP设备能够为各服务数据流提供的 QoS参数, 为各服务数据流建立相应的无 线承载, 并建立各服务数据流与无线承载的映射关系; 向所述 AP设备返回无线承载建立 完成的响应消息;
AP设备,用于接收用户设备 UE发出的无线承载建立请求,根据所述无线承载请求中 各服务数据流对应的 QoS参数以及本地预先配置的 QoS策略信息, 当确定能为该上层业 务提供服务时, 确定能够为该上层业务中各服务数据流提供的 QoS参数; 根据确定的 QoS 参数, 分别为该上层业务中的各服务数据流建立对应的无线承载, 并向所述 UE返回携带 有能够为该上层业务中各服务数据流提供 QoS参数的无线承载建立响应以及接收 UE返回 的无线承载建立完成的响应消息; 建立所述各服务数据流与无线承载之间的映射关系。
本发明实施例的有益效果包括:
本发明实施例针对目前室内及热点地区的覆盖问题, 提供了一种新的无线接入网络, 并提供了一种适应该新的无线接入网络的新的无线承载的建立方法、 UE和 AP设备。 在 UE侧,按照媒体参数信息, 将业务应用的 IP数据流分为多个具有不同 QoS需求的服务数 据流,并确定每个服务数据流的 QoS参数,随后, UE将这些服务数据流的信息及对应 QoS 参数发送给 AP, AP根据本地的 QoS策略, 判断能否为服务数据流提供服务, 在确定的情 况下, AP为服务数据流分配无线资源并建立相应的无线承载, 并将二者绑定; UE侧也在 此过程中为每个服务数据流建立了相应的无线承载并将二者绑定, 这样, 在上下行数据传 输时, 按照不同服务数据流的 QoS需求, AP和 UE能够将上层业务的 IP数据流分解为服 务数据流并分别映射到对应的无线承载进行传输, 在上述新的无线接入网络中实现了完善 的 QoS的服务机制。
并且, 本发明实施例提供的新的无线接入网络, 针对目前室内和热点数据业务特征, 利用现有 LTE底层通信技术, 实现简单, 能够为 UE提供电信级的 QoS保证服务, 并且 QoS的相关操作不需要核心网节点的参与, 大大减轻了核心网的信令负荷, 避免了现有基 于非授权频段的无线局域网的解决方案无法为 UE提供 QoS保证服务, 以及现有基于家庭 基站的解决方案实现复杂和核心网信令负荷较重的问题。 附图说明
图 1为现有技术中基于 WLAN的解决方案的网络架构图;
图 2为现有技术中基于家庭基站解决方案的网络架构图;
图 3为本发明实施例提供的 LTE-LAN的体系架构图;
图 4为本发明实施例提供的层次化 QoS架构模型的示意图;
图 5为本发明实施例提供的无线承载的建立方法的流程图;
图 6为本发明实施例提供的无线承载修改流程的流程图;
图 7为本发明实施例提供的无线承载删除流程的流程图;
图 8为本发明实施例提供的用户设备的结构示意图; 图 9为本发明实施例提供的接入点设备的结构示意图。 具体实施方式
下面结合附图, 对本发明实施例提供的一种无线承载的建立方法、 用户设备、 接入点 设备及无线接入系统的具体实施方式进行详细地说明。
本发明实施例提供的无线承载的建立方法、 用户设备、 接入点设备及无线接入系统基 于本发明实施例提供的长期演进局域网 (Long Term Evolution Local Area Network, LTE-LAN ) 的体系架构, 下面首先对该 LTE-LAN的体系架构进行简单的描述。
为了能够实现对家庭企业环境, 热点区域的有效覆盖, 并为具有游牧移动特性的用户 终端提供大数据量通信的途径,本发明实施例提供了一种基于 LTE移动通信系统底层通信 技术实现的 LTE-LAN的系统架构, 如图 3所示, 该 LTE-LAN架构中包括用户设备 ( User Equipment, UE )、 无线网络的接入点 (Access Point, AP ) 以及操作管理维护 (Operation Administration and Maintenance, OAM )实体, LTE-LAN利用现有 LTE移动通信系统层 1、 层 2和层 3技术在 UE和 AP之间建立具有安全性和 QoS保证的无线链路, 通过改造现有 LTE系统的网络架构及高层协议在不经过运营商核心网处理的情况下实现终端对外部网络 的 IP接入。
对于图 3所示的 LTE-LAN, 釆用如图 4所述的层次化 QoS架构模型, 实现端到端的 服务。 其中, 端到端服务 QoS的保证通过 LTE-LAN内部的承载服务和 LTE-LAN与外部 网络之间的承载服务来保证, LTE-LAN承载服务,具体通过 UE (如图 4中 LTE-LAN-UE ) 和 AP (如图 4中 LTE-LAN-AP )之间的无线承载服务来实现, 换言之, 具体通过图 3中 LTE-Uu接口上的无线承载服务来实现。
对于上述 LTE-LAN体系架构, 本发明实施例提供了一种无线承载服务实现机制, 详 见下述无线承载的建立方法, 如图 5所示, 该方法包括下述步驟:
S501、 UE根据上屋业务的媒体参数信息, 将该上层业务的 IP数据流分解为多个不同 服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数;
当用户使用 UE发起某个上层业务应用(如用户浏览 Internet网页,其中包括音频和视 频内容), UE首先获取该上层业务的媒体参数信息(如类型、 速率和 IP/UDP参数等), 并 根据上层业务应用的媒体参数信息, 将满足 Internet网页浏览所需要的 IP数据流划分为音 频服务数据流和视频服务数据流, 同时确定这两类服务数据流的 QoS参数信息。
S502、 UE将该上层业务的各服务数据流的信息及对应的 QoS参数携带在无线承载建 立请求中并发送至 AP;
S503、 AP接收到用户设备 UE发出的无线承载建立请求之后,根据所述无线承载请求 中各服务数据流对应的 QoS参数以及本地预先配置的 QoS策略信息, 判断能否为该上层 业务提供服务; 并在判断结果为是时, 进一步确定能够为该上层业务中各服务数据流提供 的 QoS参数;
本步骤 S503 中, QoS策略信息决定了 UE的 IP业务流在网络中将接受何种网络服 务, QoS策略信息可以包括优先级、 数据最大传输时延、 丢包率、 带宽服务类型(是固定带 宽服务还是共享带宽服务)、 抢占优先级和数据最大传输速率等策略信息。 QoS 策略信息 可以针对网络中的 UE, 或者针对每个服务数据流来设置, 例如可以设置各个服务数据流 对应的优先级、 数据传输最大传输时延等参数, 或者设置某些 UE享有较高优先级和较高 传输速率, 而另外一些 UE则享有较低优先级和较低传输速率等, 本发明实施例对于 QoS 策略信息的具体形式并不作限定。
在网络架构布设好 LTE-LAN网络后,网络管理员可通过 0AM实体配置本地网络 QoS 策略。
5504、 AP根据确定的 QoS参数, 分别为该上层业务中的各服务数据流建立对应的无 线承载;
5505、 AP向 UE返回携带有能够为该上层业务中各服务数据流提供的 QoS参数的无 线 7|c载建立响应;
在本步驟 S503中, 如果 AP判断自身不能为该上层业务提供服务, 那么 AP向 UE返 回无线 载建立失败响应, 并终止无线^载建立流程。
5506、 UE在收到所述 AP返回的无线承载建立响应后, 根据所述响应中 AP能够为各 服务数据流提供的 QoS参数, 为各服务数据流建立相应的无线承载, 并建立各服务数据流 与对应的无线承载的映射关系;
5507、 UE向所述 AP返回无线 载建立完成的响应消息;
5508、 AP建立各服务数据流与对应的无线承载之间的映射关系。
较佳地, 上述步骤 S508可以在 AP向 UE返回无线承载建立响应时执行, 也可以在收 到 UE返回的无线承载建立完成的响应消息之后执行。
经历上述流程之后, 在 AP和 UE侧, 分别为各服务数据流建立了无线承载并与对应 的服务数据流绑定, 这样, 上层业务的 IP数据流中具有相同 QoS的各个服务数据流可以 经由对应的无线承载进行传输, 并享有相同的 QoS服务。 在同一个无线承载上传输的, 都 是具有相同 QoS需求的服务数据流。
较佳地, UE在将无线承载建立请求发送至 AP之前, 还可以包括下述步驟: 针对每个服务数据流, UE判断自身与 AP之间是否已经存在能够满足该服务数据流
QoS需求的无线^载;
若存在, 则执行无线承载修改的流程(具体如图 6所示), 并在无线承载修改完成之 后, 建立该服务数据流与该能够满足该服务数据流 QoS需求的无线承载之间的映射关系; 若不存在, 则直接转向前述向 AP发送相应的无线承载建立请求, 发起无线承载建立 过程的步骤。
例如, 如果 UE判断网络中的已有无线承载, 其 QoS与音频服务数据流的 QoS相同, 那么 UE将发起无线承载修改过程, 请求 AP为该承载分配更多的资源, 用于新增的音频 服务数据流的传输。
上述无线承载修改流程, 如图 6所示, 具体包括:
5601、 UE向 AP发送无线承载修改指示, 指示为能够满足该服务数据流 QoS需求的 无线承载重新分配无线资源;
5602、 AP在收到无线承载修改指示后, 为需要修改的无线承载重新分配无线资源; S603、 AP将自身能够为修改后的无线承载对应的服务数据流提供的 QoS参数携带在 无线承载修改请求中返回至 UE; 并建立服务数据流与修改后的无线承载之间的映射关系; 还是以上述音频服务数据流为例, 则在本步骤 S603 中, 需要将新增的音频服务数据 流与修改后的无线承载进行绑定。
5604、 UE在接收到 AP返回的无线承载修改请求之后, 根据该响应中 AP能够为服务 数据流提供的 QoS参数,在本地修改该无线承载的参数配置; 并建立服务数据流与修改后 的无线承载之间的映射关系;
UE也需要将新增的服务数据流与修改后的无线承载进行绑定。
5605、 UE向 AP返回无线 载 4爹改完成响应。
上述无线承载的修改流程, 还可能在上层业务的媒体参数发生了改变, 或者网络管理 员通过 0ΑΜ实体改变 ΑΡ中的 QoS策略的情况下,由 UE将指示 AP发起或者由 AP直接 发起。 如果由 AP直接发起的话, 则不包含上述步骤 S601。
进一步地, 如果对于已建立的无线承载, 根据实际使用的需要例如上层应用终止、 无 线资源不足, 本地 QoS策略改变等, 需要删除 AP和 UE之间的无线承载时, 执行如图 7 所示的无线承载删除流程, 包括下述步驟:
S701、 UE向 AP发送无线承载删除指示;
5702、 AP释放需要删除的无线承载的无线资源, 并向 UE发送删除无线承载请求;
5703、 在 UE接收到 AP返回的删除无线承载请求时, 释放需要删除的无线承载的无 线资源;
5704、 UE向 AP 回无线承载删除完成的响应。
上述删除无线承载的流程可以由 UE请求 AP发起, 或者由 AP直接发起, 如果由 AP 直接发起的话, 则不包含上述步骤 S701。
基于同一发明构思,本发明实施例还提供了一种用户设备 UE、接入点 AP设备及无线 接入系统, 由于该用户设备、 接入点设备及无线接入系统解决问题的原理与前述一种无线 承载的建立的方法相似, 因此这些方法的实施可以参见前述方法的实施, 重复之处不再赘 述。
本发明实施例提供的用户设备, 如图 8所示, 包括: 应用模块 801、 管理控制模块 802 和无线通信模块 803 , 其中:
应用模块 801 , 用于向管理控制模块 802提供上层业务的媒体参数信息(如类型、 速 率和 IP/UDP参数等);
管理控制模块 802, 用于根据上层业务的媒体参数信息, 将该上层业务的 IP数据流分 解为多个不同服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数, 并生成携带有该上层业务的各服务数据流的信息及对应的 QoS参数的无线承载建立请求; 以及根据无线通信模块 803接收的无线承载建立响应中该 AP能够为各服务数据流提供的 QoS参数, 控制无线通信模块 803为各服务数据流建立相应的无线承载; 以及在无线承载 建立完成之后, 建立各服务数据流与对应的无线承载的映射关系, 并将所述映射关系配置 给无线通信模块 803 ;
无线通信模块 803, 用于将管理控制模块 802生成的无线承载建立请求发送给 AP , 以 及接收 AP返回的无线承载建立响应, 以及在管理控制模块 802的控制下为各服务数据流 建立相应的无线承载; 以及根据管理控制模块 802配置的映射关系, 将上层业务的各服务 数据流映射至对应的无线承载上传输。
进一步地, 上述管理控制模块 802, 还用于针对每个服务数据流, 判断自身所属 UE 与所述 AP之间是否存在能够满足该服务数据流 QoS需求的无线承载; 若存在, 通过所述 无线通信模块向 AP发送无线承载修改指示, 指示为能够满足该服务数据流 QoS需求的无 线承载重新分配无线资源; 接收 AP根据所述无线承载修改指示而返回的无线承载修改请 求; 在接收到 AP返回的无线承载修改请求之后, 根据该响应中 AP能够为服务数据流提 供的 QoS参数, 在本地修改该无线承载的参数配置, 并通过无线通信模块向所述 AP返回 无线承载修改完成响应;以及建立该服务数据流与所述能够满足该服务数据流 QoS需求的 无线承载的映射关系。
进一步地, 如果涉及到无线承载的删除流程, 那么上述管理控制模块 802, 还用于在 需要删除自身所属 UE与 AP之间的无线承载时,通过无线通信模块 803向 AP发送无线承 载删除指示; 以及在无线通信模块 803接收到 AP返回的删除无线承载请求时, #放需要 删除的无线承载的无线资源, 并通过无线通信模块 803向 AP返回无线承载删除完成的响 应。
较佳地,本发明实施例提供的管理控制模块 802中, 可以设置一个专门进行 QoS管理 的 QoS管理配置子模块, 用来完成上述管理控制模块 802的各种功能。
本发明实施例提供的 AP设备, 如图 9所示, 包括: 无线通信模块 901、 管理控制模 块 902和数据存储模块 903, 其中:
无线通信模块 901, 用于接收 UE发出的无线承载建立请求, 该无线承载建立请求包 含所述 UE确定的上层业务中具有不同服务质量 QoS需求的多个服务数据流的信息以及对 应的 QoS参数; 以及接收 UE返回的无线承载建立完成的响应消息; 以及根据管理控制模 块 902配置的映射关系, 将上层业务的各服务数据流映射至对应的无线承载上传输; 管理控制模块 902, 用于根据无线承载建立请求中各服务数据流对应的 QoS参数以及 数据存储模块存储的 QoS策略信息,判断能否为该上层业务提供服务, 并在判断结果为是 时, 确定能够为该上层业务中各服务数据流提供的 QoS参数; 以及根据确定的 QoS参数, 控制无线通信模块 901分别为该上层业务中的各服务数据流建立对应的无线承载; 并通过 无线通信模块 901向所述 UE返回携带有能够为该上层业务中各服务数据流提供的 QoS参 数的无线承载建立响应; 在无线通信模块 901向所述 UE返回所述无线承载建立响应时或 在无线通信模块 901接收到 UE返回的无线承载建立完成的响应消息之后, 建立各服务数 据流与对应的无线承载之间的映射关系, 并将映射关系配置给无线通信模块 901 ;
数据存储模块 903, 用于存储预先配置的 QoS策略信息。
进一步地, 如果涉及到无线承载的修改流程, 那么上述管理控制模块 902, 还用于在 无线通信模块接收到 UE发起的无线承载修改指示, 或本地需要修改无线承载的参数配置 时, 控制无线通信模块 901为需要修改的无线承载重新分配无线资源; 将所属 AP能够为 修改后的无线承载对应的服务数据流提供的 QoS参数携带在无线承载修改请求中,并通过 无线通信模块 901返回至 UE;
相应地, 上述无线通信模块 901 , 还用于在管理控制模块 902的控制下, 为需要修改 的无线承载重新分配无线资源, 并向 UE发送无线承载修改请求; 以及接收 UE根据无线 承载修改请求返回的无线承载修改完成响应; 并建立服务数据流与修改后的无线承载之间 的映射关系。
进一步地, 如果涉及到无线承载的删除流程, 那么上述管理控制模块 902, 还用于在 无线通信模块 901接收到 UE发送的无线承载删除指示, 或者本地需要删除无线承载时, 控制无线通信模块 901释放需要删除的无线承载的无线资源, 并通过无线通信模块 901向 UE发送删除无线承载请求;
无线通信模块 901 , 还用于接收 UE根据所述删除无线承载请求返回的无线承载删除 完成的响应。
本发明实施例提供的上述 AP设备, 如图 9所示, 还可以包括: 路由转发模块 904和 接口模块 905;
具体来说, 上述管理控制模块 902基于 UE业务的 QoS需求, 控制路由转发模块 904 的分组转发机制, 并实现无线承载至外部承载服务的映射, 从而保证数据分组在 LTE-Uu 接口之外的其他接口上传输时的 QoS需求。 例如, 在外部网络与 LTE-LAN网络间接口 II 实现 DifflServ域的情况下, QoS 管理配置功能模块可以通过路由转发模块在 IP层采用 DifEServ技术来区分不同分组的转发优先级, 从而优先保障高优先级分组的传输, 使外部 承载能够为终端业务提供具有 QoS保障的服务。
接口模块 905主要负责 LTE-LAN中 AP与外部网络间接口 II的管理及维护功能, 在
LTE-LA 中 AP与 OAM实体分设的情况下, 它还负责管理维护接口 I。 具体实施方式在 此不再详述。
较佳地,本发明实施例提供的管理控制模块 902中,可以设置一个专门进行 QoS管理 的 QoS管理配置子模块, 用来完成上述管理控制模块 902的各种功能。
本发明实施例提供的无线接入系统, 如图 3所示, 包括:
用户设备 UE, 用于根据上层业务的媒体参数信息, 将该上层业务的 IP数据流分解为 多个不同服务盾量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数, 并 将该上层业务的各服务数据流的信息及对应的 QoS 参数携带在无线承载建立请求中并发 送至无线接入点 AP设备; 以及在收到所述 AP设备返回的无线承载建立响应后, 根据所 述响应中该 AP设备能够为各服务数据流提供的 QoS参数, 为各服务数据流建立相应的无 线承载, 并建立各服务数据流与对应的无线承载的映射关系; 向所述 AP设备返回无线承 载建立完成的响应消息;
AP设备,用于接收用户设备 UE发出的无线承载建立请求,根据所述无线承载请求中 各服务数据流对应的 QoS参数以及本地预先配置的 QoS策略信息, 判断能否为该上层业 务提供服务, 并在判断结果为是时,确定能够为该上层业务中各服务数据流提供的 QoS参 数; 根据确定的 QoS参数, 分别为该上层业务中的各服务数据流建立对应的无线承载, 并 向 UE返回携带有能够为该上层业务中各服务数据流提供的 QoS参数的无线承载建立响应 以及接收 UE返回的无线承载建立完成的响应消息; 建立所述各服务数据流与对应的无线 承载之间的映射关系。
进一步地, 本发明实施例提供的无线接入系统, 还包括: 操作管理维护 0AM实体, 与 AP设备相连, 用于为网络管理员提供配置 QoS策略信息的接口。
本发明实施例提供的上述无线接入系统中, 0AM实体可以与 AP设置在同一个物理设 备中, 也可以分设为两个不同的物理设备, 本发明实施例对此不做限定。
本发明实施例针对目前室内及热点地区的覆盖问题, 提供了一种新的无线接入网络, 并提供了一种适应该新的无线接入网络的新的无线承载的建立方法、 UE和 AP设备。 在 UE侧,按照媒体参数信息, 将业务应用的 IP数据流分为多个具有不同 QoS需求的服务数 据流,并确定每个服务数据流的 QoS参数,随后, UE将这些服务数据流的信息及对应 QoS 参数发送给 AP, AP根据本地的 QoS策略, 判断能否为服务数据流提供服务, 在确定的情 况下, AP为服务数据流分配无线资源并建立相应的无线承载, 并将二者绑定; UE侧也在 此过程中为每个服务数据流建立了相应的无线承载并将二者绑定, 这样, 在上下行数据传 输时, 按照不同服务数据流的 QoS需求, AP和 UE能够将上层业务的 IP数据流分解为服 务数据流并分别映射到对应的无线承载进行传输, 在上述新的无线接入网络中实现了完善 的 QoS的服务机制。
并且, 本发明实施例提供的新的无线接入网络, 针对目前室内和热点数据业务特征, 利用现有 LTE底层通信技术, 实现简单, 能够为 UE提供电信级的 QoS保证服务, 并且 QoS的相关操作不需要核心网节点的参与, 大大减轻了核心网的信令负荷, 避免了现有基 于非授权频段的无线局域网的解决方案无法为 UE提供 QoS保证服务, 以及现有基于家庭 基站的解决方案实现复杂和核心网信令负荷较重的问题。
本领域内的技术人员应明白, 本发明的实施例可提供为方法、 系统、 或计算机程序产 品。 因此, 本发明可采用完全硬件实施例、 完全软件实施例、 或结合软件和硬件方面的实 施例的形式。 而且, 本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机 可用存储介质(包括但不限于磁盘存储器、 CD-ROM、 光学存储器等)上实施的计算机程 序产品的形式。
本发明是参照根据本发明实施例的方法、 设备(系统)、 和计算机程序产品的流程图 和 /或方框图来描述的。 应理解可由计算机程序指令实现流程图和 /或方框图中的每一流 程和 /或方框、 以及流程图和 /或方框图中的流程和 //或方框的结合。 可提供这些计算机 程序指令到通用计算机、 专用计算机、 嵌入式处理机或其他可编程数据处理设备的处理器 以产生一个机器, 使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用 于实现在流程图一个流程或多个流程和 /或方框图一个方框或多个方框中指定的功能的 装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方 式工作的计算机可读存储器中, 使得存储在该计算机可读存储器中的指令产生包括指令装 置的制造品, 该指令装置实现在流程图一个流程或多个流程和 /或方框图一个方框或多个 方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上, 使得在计算机 或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理, 从而在计算机或其他 可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和 /或方框图一个 方框或多个方框中指定的功能的步骤。
尽管已描述了本发明的优选实施例, 但本领域内的技术人员一旦得知了基本创造性概 念, 则可对这些实施例作出另外的变更和修改。 所以, 所附权利要求意欲解释为包括优选 实施例以及落入本发明范围的所有变更和修改。 显然, 本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明实 施例的精神和范围。 这样, 倘若本发明实施例的这些修改和变型属于本发明权利要求及其 等同技术的范围之内, 则本发明也意图包含这些改动和变型在内。

Claims

权利 要求
1、 一种无线承载的建立方法, 其特征在于, 包括:
用户设备 UE根据上屋业务的媒体参数信息,将该上层业务的 IP数据流分解为多个不 同服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数;
所述 UE将该上层业务的各服务数据流的信息及对应的 QoS参数携带在无线承载建立 请求中并发送至无线接入点 AP;
所述 UE在收到所述 AP返回的无线承载建立响应后, 根据所述无线承载建立响应中 携带的 AP能够为各服务数据流提供的 QoS参数, 为各服务数据流建立相应的无线承载, 并建立各服务数据流与对应的无线承载的映射关系;
所述 UE向所述 AP返回无线承载建立完成的响应消息。
2、 如权利要求 1所述的方法, 其特征在于, UE将所述无线承载建立请求发送至 AP 之前, 还包括:
针对每个服务数据流, 所述 UE判断自身与所述 AP之间是否存在能够满足该服务数 据流 QoS需求的无线承载;
若存在, 则向 AP发送无线承载修改指示, 指示为能够满足该服务数据流 QoS需求的 无线承载重新分配无线资源; 在接收到 AP返回的无线承载修改请求之后, 根据该请求中 AP能够为服务数据流提供的 QoS参数,在本地修改该无线承载的参数配置, 并向所述 AP 返回无线承载修改完成响应;以及建立该服务数据流与所述能够满足该服务数据流 QoS需 求的无线承载的映射关系;
若不存在,则确定需在无线承载建立请求中携带该服务数据流的信息及对应的 QoS参 数。
3、 如权利要求 2所述的方法, 其特征在于, UE需要删除自身与 AP之间的无线承载 时, 还包括:
UE向 AP发送无线承载删除指示;
在 UE接收到 AP返回的删除无线承载请求时, 释放需要删除的无线承载的无线资源;
UE向 AP返回无线 7|c载删除完成的响应。
4、 一种无线承载的建立方法, 其特征在于, 包括:
接入点 AP接收用户设备 UE发出的无线承载建立请求; 所述无线承载建立请求包含 所述 UE确定的上层业务中具有不同服务质量 QoS需求的多个服务数据流的信息, 以及每 一服务数据流对应的 QoS参数;
所述 AP根据所述无线承载请求中各服务数据流对应的 QoS参数以及本地预先配置的 QoS策略信息, 当确定能为该上层业务提供服务时, 确定能够为该上层业务中各服务数据 流提供的 QoS参数;
所述 AP根据确定的 QoS参数, 分别为该上层业务中的各服务数据流建立对应的无线 承载;
所述 AP向所述 UE返回携带有能够为该上层业务中各服务数据流提供 QoS参数的无 线 ^lc载建立响应, 以及接收 UE返回的无线承载建立完成的响应消息;
所述 AP建立各服务数据流与无线承载之间的映射关系。
5、如权利要求 4所述的方法, 其特征在于, AP在接收 UE发起的无线承载修改指示, 或者本地需要修改无线承载的参数配置时, 还包括:
AP为需要修改的无线承载重新分配无线资源;
AP将所述 AP能够为修改后的无线承载对应的服务数据流提供的 QoS参数携带在无 线承载修改请求中返回至所述 UE;
所述 AP接收 UE返回的无线承载修改完成响应; 并建立服务数据流与修改后的无线 承载之间的映射关系。
6、 如权利要求 4所述的方法, 其特征在于, AP在接收到 UE发送的无线承载删除指 示, 或者本地需要删除无线承载时, 还包括:
AP幹放需要删除的无线承载的无线资源, 并向 UE发送删除无线承载请求;
AP接收 UE返回的无线承载删除完成的响应。
7、 如权利要求 4-6任一项所述的方法, 其特征在于, 所述 QoS策略信息, 包括为各 服务数据流或 UE提供的优先级、 数据最大传输时延、 丢包率、 带宽服务类型、 抢占优先 级和数据最大传输速率策略信息。
8、 一种用户设备 UE, 其特征在于, 包括: 应用模块、 管理控制模块和无线通信模块, 其中:
所述应用模块, 用于向管理控制模块提供上层业务的媒体参数信息;
所述管理控制模块,用于根据上层业务的媒体参数信息,将该上层业务的 IP数据流分 解为多个不同服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数, 生成携带有该上层业务的各服务数据流的信息及对应的 QoS参数的无线承载建立请求;以 及根据所述无线通信模块接收的无线承载建立响应中接入点 AP能够为各服务数据流提供 的 QoS参数,控制所述无线通信模块为各服务数据流建立相应的无线承载; 以及在无线承 载建立完成之后, 建立各服务数据流与对应的无线承载的映射关系, 并将所述映射关系配 置给所述无线通信模块;
所述无线通信模块, 用于将所述无线承载建立请求发送至 AP; 接收 AP返回的无线承 载建立响应; 在无线 载建立完成后向所述 AP返回无线^^载建立完成的响应消息; 以及 根据所述管理控制模块配置的映射关系, 将所述上层业务的各服务数据流映射至对应的无 线承载上传输。
9、 如权利要求 8 所述的用户设备, 其特征在于, 所述管理控制模块, 还用于针对每 个服务数据流, 判断自身所属 UE与所述 AP之间是否存在能够满足该服务数据流 QoS需 求的无线承载; 若存在, 通过所述无线通信模块向 AP发送无线承载修改指示, 指示为能 够满足该服务数据流 QoS需求的无线承载重新分配无线资源; 接收 AP根据所述无线承载 修改指示而返回的无线承载修改请求; 在接收到 AP返回的无线承载修改请求之后, 根据 该请求中 AP能够为服务数据流提供的 QoS参数, 在本地修改该无线承载的参数配置, 并 通过无线通信模块向所述 AP返回无线承载修改完成响应; 以及建立该服务数据流与所述 能够满足该服务数据流 QoS需求的无线承载的映射关系。
10、 如权利要求 8所述的用户设备, 其特征在于, 所述管理控制模块, 还用于在需要 删除自身所属 UE与 AP之间的无线承载时,通过所述无线通信模块向所述 AP发送无线承 载删除指示; 以及在所述无线通信模块接收到 AP返回的删除无线承载请求时, 释放需要 删除的无线承载的无线资源, 并通过所述无线通信模块向所述 AP返回无线承载删除完成 的响应。
11、 一种接入点 AP设备, 其特征在于, 包括: 无线通信模块、 管理控制模块和数据 存储模块, 其中:
所述无线通信模块, 用于接收用户设备 UE发出的无线承载建立请求, 所述无线承载 建立请求包含所述 UE确定的上层业务中具有不同服务质量 QoS需求的多个服务数据流的 信息, 以及每一服务数据流对应的 QoS参数; 以及接收 UE返回的无线承载建立完成的响 应消息; 以及根据所述管理控制模块配置的映射关系, 将所述上层业务的各服务数据流映 射至对应的无线承载上传输;
所述管理控制模块,用于根据所述无线承载建立请求中各服务数据流对应的 QoS参数 以及数据存储模块存储的 QoS策略信息, 当确定能为该上层业务提供服务时, 确定能够为 该上层业务中各服务数据流提供的 QoS参数; 以及根据确定的 QoS参数, 控制所述无线 通信模块分别为该上层业务中的各服务数据流建立对应的无线承载; 并通过所述无线通信 模块向所述 UE返回携带有能够为该上层业务中各服务数据流提供 QoS参数的无线承载建 立响应; 在所述无线通信模块向所述 UE返回所述无线承载建立响应时或在所述无线通信 模块接收所述 UE返回的无线承载建立完成的响应消息之后 , 建立所述各服务数据流与无 线承载之间的映射关系, 并将所述映射关系配置给无线通信模块;
所述数据存储模块, 用于存储预先配置的 QoS策略信息。
12、 如权利要求 11所述的接入点设备, 其特征在于, 所述管理控制模块, 还用于在无 线通信模块接收到 UE发起的无线承载修改指示,或本地需要修改无线承载的参数配置时, 控制所述无线通信模块为需要修改的无线承载重新分配无线资源; 将所属 AP能够为修改 后的无线承载对应的服务数据流提供的 QoS参数携带在无线承载修改请求中,并通过所述 无线通信模块返回至所述 UE;
所述无线通信模块, 还用于接收 UE根据所述无线承载修改请求返回的无线承载修改 完成响应; 并建立服务数据流与修改后的无线承载之间的映射关系。
13、 如权利要求 12所述的接入点设备, 其特征在于, 所述管理控制模块, 还用于在 无线通信模块接收到 UE发送的无线承载删除指示, 或者本地需要删除无线承载时, 控制 所述无线通信模块释放需要删除的无线承载的无线资源, 并通过所述无线通信模块向 UE 发送删除无线承载请求;
所述无线通信模块, 还用于接收 UE根据所述删除无线承载请求返回的无线承载删除 完成的响应。
14、 一种无线接入系统, 其特征在于, 包括:
用户设备 UE, 用于根据上层业务的媒体参数信息, 将该上层业务的 IP数据流分解为 多个不同服务质量 QoS需求的服务数据流, 并确定每个服务数据流对应的 QoS参数, 并 将该上层业务的各服务数据流的信息及对应的 QoS 参数携带在无线承载建立请求中并发 送至无线接入点 AP设备; 以及在收到所述 AP设备返回的无线承载建立响应后, 根据所 述响应中该 AP设备能够为各服务数据流提供的 QoS参数, 为各服务数据流建立相应的无 线承载, 并建立各服务数据流与无线承载的映射关系; 向所述 AP设备返回无线承载建立 完成的响应消息;
AP设备,用于接收用户设备 UE发出的无线承载建立请求,根据所述无线承载请求中 各服务数据流对应的 QoS参数以及本地预先配置的 QoS策略信息, 当确定能为该上层业 务提供服务时, 确定能够为该上层业务中各服务数据流提供的 QoS参数; 根据确定的 QoS 参数, 分别为该上层业务中的各服务数据流建立对应的无线承载, 并向所述 UE返回携带 有能够为该上层业务中各服务数据流提供 QoS参数的无线承载建立响应以及接收 UE返回 的无线承载建立完成的响应消息; 建立所述各服务数据流与无线承载之间的映射关系。
15、 如权利要求 14所述的无线接入系统, 其特征在于, 还包括: 与所述 AP设备相连 的操作管理维护 0AM实体, 用于为网络管理员提供配置 QoS策略信息的接口。
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US20140029536A1 (en) 2014-01-30
CN102625377B (zh) 2014-06-18
US9674850B2 (en) 2017-06-06
EP2672752B1 (en) 2021-07-28
EP2672752A1 (en) 2013-12-11

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