WO2012003633A1

WO2012003633A1 - Method, system and radio side network element for implementing multi-user shared service

Info

Publication number: WO2012003633A1
Application number: PCT/CN2010/075042
Authority: WO
Inventors: 杨金星
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-07-07
Filing date: 2010-07-07
Publication date: 2012-01-12

Abstract

The present invention discloses a method, a system and a radio side network element for implementing that multiple users share common radio resource to share service. Wherein the method includes that: when assigning services to terminals, the core network sends a service assignment message to the radio side, said message carries indication information for indicating whether the downlink resource shared allocation will be implemented in the radio side for the current service; after receiving said service assignment message, the radio side network element determines whether the downlink resource shared allocation will be implemented in the radio side for the current service, if yes, uses the same network temporary identity to schedule multiple terminals using the current service and to transmit downlink service data. By the present invention, the radio resources can be saved effectively, and the downlink interference can be reduced effectively at the same time.

Description

Method, system and wireless side network element for realizing multi-user shared service

The present invention relates to the field of communications, and in particular, to a method, system, and radio side network element for implementing multi-user sharing of the same radio resource sharing service.

Background of the Invention With the development of wireless communication technologies, many services require downlink service data streams to be received simultaneously by multiple terminals, including but not limited to broadcast, multicast, group messages, cluster services, and the like. In particular, some special applications are as follows: Downlink voice is received by multiple users, but uplink voice is transmitted independently (or not); multiple users simultaneously receive the same video, image, audio and other multimedia services. For broadcast and multicast services, 3GPP (Third Generation Partnership Projects) introduced MBMS (Multimedia Broadcast Multicast Service) in WCDMA (Wideband Code Division Multiple Access) system. Broadcast multicast service) service type, and inherits and extends MBMS service in LTE (Long Term Evolution) system.

In the WCDMA system, the disadvantage of the MBMS service is that if the PtP (point-to-point) networking mode is adopted, the downlink radio resources of multiple users are independently allocated and cannot be shared, resulting in waste of resources; if PtM is used (point-to-multipoint) Networking, there is no channel for uplink data transmission.

SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to provide a method, system, and radio side network element for realizing multi-user sharing the same radio resource sharing service, and the method for realizing downlink multi-user sharing the same radio resource sharing service without using MBMS . In order to solve the above technical problem, the present invention provides a method for realizing multi-user sharing the same radio resource sharing service, including: When the service is assigned to the terminal, the core network sends a service-assigned message to the wireless side, where the message carries the indication information, where the indication information is used to indicate whether the current service is for downlink resource sharing and allocation on the wireless side, and the wireless side network element After receiving the message of the service assignment, determining, according to the indication information in the message, whether the current service performs downlink resource sharing and allocation on the wireless side, and if yes, using the same network temporary identifier to use multiple of the current service The terminal performs scheduling and sends downlink service data. Preferably, the indication information includes a downlink resource sharing allocation range and a shared service number. In the step of scheduling and transmitting downlink service data by using multiple terminals of the current service by using the same network temporary identifier, the wireless The side network element schedules and transmits downlink service data to multiple terminals that use the same service corresponding to the shared service number in the downlink resource sharing allocation range. Preferably, the downlink resource sharing allocation range is one of the following areas: a location area, a routing area, a service area, a service area, a radio network controller (RNC), a base station, or a cell. Preferably, the indication information further includes a downlink resource sharing allocation indication. Preferably, the indication information further includes an uplink configuration indication, where the uplink configuration indication is used to indicate whether to allocate terminal uplink configuration information, and after the wireless side network element receives the service assignment message, the method further includes: The radio side network element determines whether to allocate uplink configuration information to the terminal according to the uplink configuration indication. Preferably, for a Wideband Code Division Multiple Access (WCDMA) system, the service-assigned message sent by the core network to the wireless side is a service assignment request message, a service assignment modification message, or an incoming relocation request message, where the wireless side The network element is an RNC, and the network temporary identifier is a high-speed downlink shared channel radio network temporary identifier (H-RNTI). For a long-term evolution (LTE) system, the service-assigned message sent by the core network to the radio side is a service assignment request. The message, the service assignment modification message or the handover access request message, the radio side network element is an evolved Node B (e-NodeB), and the network temporary identifier is a radio network temporary identifier (RNTI). In order to solve the above technical problem, the present invention provides a wireless side network element, including a receiving module and a processing module, where: the receiving module is configured to: after receiving the message of the service assignment sent by the core network, send the message of the service assignment to the processing module; the processing module is configured to: according to the indication in the message The information is used to determine whether the current service performs downlink resource sharing allocation on the wireless side. If yes, the same network temporary identifier is used to schedule and send downlink service data to multiple terminals using the current service. Preferably, the indication information includes a downlink resource sharing allocation range and a shared service number. The processing module is configured to: determine, according to the indication information in the message, that the current service performs downlink resource sharing and allocation on the wireless side, Within the downlink resource sharing allocation range, scheduling and transmitting downlink service data are performed on multiple terminals that use the same service corresponding to the shared service number. Preferably, the downlink resource sharing allocation range is one of the following areas: a location area, a routing area, a service area, a service area, a radio network controller (RNC), a base station, or a cell. Preferably, the indication information further includes a downlink resource sharing allocation indication. Preferably, the indication information further includes an uplink configuration indication, where the uplink configuration indication is used to indicate whether to allocate terminal uplink configuration information, and the processing module is further configured to: after receiving the service assignment message, according to the uplink The configuration indication determines whether to allocate uplink configuration information to the terminal. Preferably, for a Wideband Code Division Multiple Access (WCDMA) system, the radio side network element is an RNC, and the service assigned message sent by the core network is a service assignment request message, a service assignment modification message, or an incoming relocation request message. The network temporary identifier is a high speed downlink shared channel radio network temporary identifier (H-RNTI); for a long term evolution (LTE) system, the radio side network element is an evolved node B (e-NodeB), and the core network sends the service The assigned message is a service assignment request message, a service assignment modification message or a handover access request message, and the network temporary identifier is a radio network temporary identifier (RNTI). In order to solve the above technical problem, the present invention provides a system for implementing the same radio resource sharing service for multiple users, including the radio side network element, the core network, and the terminal, where: The core network is configured to: when performing service assignment to the terminal, send a service-assigned message to the wireless side, where the message carries indication information, where the indication information is used to indicate whether the current service performs downlink resource sharing and allocation on the wireless side.

In the present invention, the wireless side only needs to establish a set of scheduling resources (H-RNTI, for the shared service,

RNTI), which is available to all terminals that receive the service, effectively saves radio resources and can effectively reduce downlink interference. Compared with the MBS service of the PtP mode in the existing WCDMA system, the downlink supports multi-user simultaneous scheduling, saving Radio resources; Compared with the PtM method, a mechanism for transmitting data is also provided in the uplink direction.

1 is a scenario in which a downlink multi-user shares the same radio resource sharing service according to an embodiment of the present invention; FIG. 2 is a flow chart of sharing a shared resource message in a WCDMA system according to an embodiment of the present invention; FIG. 3 is a WCDMA system according to Embodiment 2 of the present invention; FIG. 4 is a flow chart of the shared resource allocation message in the LTE system according to the third embodiment of the present invention; FIG. 5 is a flow chart of not sharing the resource allocation message in the LTE system according to the fourth embodiment of the present invention; Schematic diagram of the wireless network side network element.

Preferred embodiment of the invention

Introduced HSDPA (High Speed Downlink Packet Access, high speed) in WCDMA

Identity, high-speed downlink shared channel (temporary identification of the wireless network) identifies whether the service data is sent to itself; in the LTE system, the terminal also identifies whether the service data is sent to itself through the RNTK Radio Network Temporary Identity, the wireless network temporary identifier) . In theory, the wireless side already has the technology and capability to send one piece of data to multiple terminals simultaneously. However, between the current 3GPP core network and the wireless network, in addition to MBMS, through the normal service assignment process (such as RAB ASSIGNMENT REQUEST message, radio access bearer assignment request), since there is no The mechanism implements the core network to inform the wireless network that the current service is a service shared by multiple users in the downlink direction, and the wireless network allocates independent wireless resources to multiple users even if the multiple users are in the same cell. The basic idea of the present invention is to add indication information (indication field) to the interface message between the core network and the wireless network, and also to extend and agree on the meaning of the existing 3GPP field (such as QoS Class Identifier in LTE). The field performs meaning expansion and agreement), and the indication information indicates whether the current service performs downlink resource sharing allocation on the wireless side. Specifically, when performing service assignment to the terminal, the core network sends a service-assigned message to the wireless side, where the message carries the indication information, where the indication information is used to indicate whether the current service is performing downlink resource sharing and allocation on the wireless side; After receiving the message of the service assignment, the network element determines, according to the indication information in the message, whether the current service performs downlink resource sharing and allocation on the wireless side, and if so, uses the same network temporary identifier to use the current service. A plurality of terminals perform scheduling and transmit downlink service data. After receiving the message of the service assignment, the radio side network element allocates a network temporary identifier to the terminal to establish a radio resource bearer. If the indication information in the message indicates that the current service is performing the downlink resource sharing allocation on the radio side, the radio side network element is the network temporary identifier allocated by the terminal and the other terminal sharing the current service. The network temporary identifiers are the same, that is, the wireless side network element allocates the same network temporary identifier to multiple terminals sharing the current service, and the wireless side network element can use the same network temporary identifier to use multiple of the current services. The terminal performs scheduling and sends downlink service data. The above indication information may include one or more combinations of the following information:

(1) A downlink resource sharing allocation indication (a field of a new field or an extended meaning) is used to indicate whether the current service downlink can be shared by multiple users, and the wireless side can determine, according to the indication field, whether only one set of radio resources is allocated in the downlink;

(2) The downlink resource sharing allocation range is used to indicate the range of the current service downlink sharing, including but not limited to the location area, the routing area, the service area, the service area, the RNC (Radio Network Controller), and the base station (for example, NodeB (Node B), e-NodeB (Evolved Node B)), cell;

(3) sharing the service number, when the message assigned by the service of multiple terminals contains the same sharing industry Service number, the wireless side considers the service to be the same and can share the schedule for these users;

(4) An uplink configuration indication, configured to indicate whether to allocate terminal uplink configuration information. When the indication information does not include the downlink resource sharing allocation indication, the core network may implicitly notify the wireless side network element whether the current service is performing the downlink resource on the wireless side by using the indication information to carry the downlink resource sharing allocation range and the shared service number. Shared allocation. When the indication information includes the downlink resource sharing allocation range and the shared service number, the wireless side network element may identify the sharable scheduled service according to the indication information, and use the same sharing in the downlink resource sharing allocation range. Multiple terminals of the service corresponding to the service number perform scheduling and send downlink service data. When the indication information includes an uplink configuration indication, the wireless side network element may determine whether to allocate uplink configuration information to the terminal according to the uplink configuration indication. When the terminal is allocated uplink configuration information, the terminal can send uplink data. Specifically, for the WCDMA system, the service-assigned message may be a service assignment request message, a service assignment modification message, or an incoming relocation request message, where the radio side network element is an RNC, and the network temporary identifier is an H-RNTI, and the core network The network element is an SGSN (Serving GPRS Support Node) or an MSC (Mobile Switching Centre); for the LTE system, the service-assigned message may be a service assignment request message or a service assignment modification message. Or switching the access request message, the radio side network element is an e-NodeB, the network temporary identifier is an RNTI, and the network element of the core network is a SAE (System Architecture Evolution) network element. As shown in FIG. 1 , the core network may include indication information (including a downlink resource sharing allocation indication and a downlink resource sharing allocation range) in a service assignment, a modification, a reconfiguration, and a release, and the wireless network performs the cell according to the indication information. Multiple terminals share one set of downlink radio resources for data reception.

The invention is further illustrated by the following specific examples. Embodiment 1: The process of sharing resource allocation in a WCDMA system will be described in detail below with reference to FIG. Step 101: When the core network sends the service assignment message (service assignment request, service assignment modification, and incoming relocation request) of the terminal 1, the current service sharing service number is indicated, the shared resource allocation may be performed, and the shared resource allocation is given. The range, such as the location area, the routing area, the service area, the RNC, the cell, the service area, etc., in this example, the shared resource allocation range is the cell. Step 102: After receiving the message, the RNC organizes to establish a radio resource bearer. Specifically, the RNC performs centralized scheduling on the service according to the shared resource allocation indication, and allocates the same H- to the terminal using the service. The RNTI, the terminal can receive the downlink HSPA data indicated by the H-RNTI at the same time; the RNC sends the configured radio resource bearer to the terminal 1 through the Uu interface RB (Radio Bearer) reconfiguration and RB establishment. Step 103: After receiving the Uu interface reconfiguration message, the terminal 1 performs configuration according to the configuration information, and returns a completion message to the RNC. Steps 104 to 106 are similar to steps 101 to 103 except that the terminal 1 is replaced with a terminal.

N. In this example, terminal 1 and terminal N are two terminals that receive the shared resource allocation service in the same cell. The same service data is received by monitoring the HSDPA data of the same H-RNTI. When the indication information carries an uplink configuration indication, which indicates that the uplink configuration information is allocated by the terminal, the RNC allocates an uplink resource to the terminal, and the terminal 1 and the terminal N can send the uplink data. Whether the terminal sends uplink data depends on the application layer service type.

Embodiment 2: The process of not sharing resource allocation in a WCDMA system will be described in detail below with reference to FIG. Step 201: When the core network sends the service assignment message (service assignment request, service assignment modification, and incoming relocation request) of the terminal 1, the current service is not allowed to perform shared resource allocation, or does not indicate that the shared resource allocation is allowed. Step 202: After receiving the message, the RNC organizes to establish a radio resource bearer. Specifically, the RNC allocates an independent H-RNTI for each terminal according to the shared resource allocation indication. The terminal receives the downlink HSPA data indicated by its own H-RNTI. The RNC sends the configured radio resource bearer to the terminal 1 through the Uu interface RB reconfiguration and RB establishment. Step 203: After receiving the Uu interface reconfiguration message, the terminal 1 performs configuration according to the configuration information, and returns a completion message to the RNC. Steps 204 to 206 are similar to steps 201 to 203 except that the terminal 1 is replaced with a terminal.

N. In this example, terminal 1 and terminal N are two terminals that use the same service in the same cell. Receive the same service data by monitoring HSDPA data of different H-RNTIs. In this example, terminal 1 and terminal N may have data transmission or no data transmission, depending on the application layer service type.

Embodiment 3: The process of sharing resource allocation in the LTE system is described in detail below with reference to FIG. 4 . Step 301: When the core network sends the service assignment message (service assignment request, service assignment modification, and incoming relocation request) of the terminal 1, the current service sharing service number is indicated, and the shared resource allocation may be performed (by adding a message field or an extension) Currently existing message fields, such as the QoS Class Identifier field in LTE, and give the scope of shared resource allocation, such as location area, routing area, monthly service area, e-NodeB, cell, service area, etc. The range of shared resource allocation is cell. Step 302: After receiving the message, the e-NodeB organizes to establish a radio resource bearer. Specifically, the e-NodeB allocates the radio resource according to the shared resource allocation indication, and each radio cell allocates the service to the terminal, and allocates the terminal for using the service. The same RNTI, the terminal can receive the downlink data indicated by the RNTI at the same time; the e-NodeB sends the configured radio resource bearer to the terminal 1 through the air interface configuration message. Step 303: After receiving the air interface reconfiguration message, the terminal 1 performs configuration according to the configuration information, and returns a completion message to the e-NodeB. Steps 304 to 306 are similar to steps 301 to 303 except that the terminal 1 is replaced with a terminal.

N. In this example, terminal 1 and terminal N are two terminals that receive the shared resource allocation service in the same cell. The same service data is received by monitoring the HSDPA data of the same RNTI. When the indication information carries an uplink configuration indication, when the e-NodeB allocates an uplink resource to the terminal, the terminal 1 and the terminal N can send the uplink data. Whether the terminal sends uplink data depends on the application layer service type.

Embodiment 4: The process of not sharing resource allocation in the LTE system is described in detail below with reference to FIG. Step 401: When the core network sends the service assignment message of the terminal 1 (service assignment request, service assignment modification, and incoming relocation request), it indicates that the current service does not allow shared resource allocation, or does not indicate that the shared resource allocation is allowed. Step 402: After receiving the message, the e-NodeB organizes to establish a radio resource bearer. Specifically, the e-NodeB allocates different RNTIs to the terminal that uses the current service according to the unshared resource allocation indication, and the terminals respectively receive The downlink data indicated by the RNTI of the RNTI; the e-NodeB sends the configured radio resource bearer to the terminal 1 through the air interface configuration message. Step 403: After receiving the air interface reconfiguration message, the terminal 1 performs configuration according to the configuration information, and returns a completion message to the e-NodeB. Steps 404 to 406 are similar to steps 401 to 403 except that the terminal 1 is replaced with a terminal.

N. In this example, terminal 1 and terminal N are two terminals that use the same service in the same cell. The same service data is received by monitoring LTE downlink data of different RNTIs. In this example, terminal 1 and terminal N may have data transmission or no data transmission, depending on the application layer service type.

As shown in FIG. 6, the wireless side network element of the embodiment of the present invention includes a receiving module 61 and a processing module.

62, where: The receiving module 61 is configured to: after receiving the message of the service assignment sent by the core network, send the message of the service assignment to the processing module 62; the processing module 62 is configured to: determine according to the indication information in the message Whether the current service performs downlink resource sharing allocation on the wireless side, and if so, uses the same network temporary identifier to schedule and send downlink service data to multiple terminals using the current service. Preferably, the indication information includes a downlink resource sharing allocation range and a shared service number. The processing module 62 is configured to: when determining, according to the indication information in the message, that the current service performs downlink resource sharing allocation on the wireless side, Within the downlink resource sharing allocation range, scheduling and transmitting downlink service data are performed on multiple terminals that use the same service corresponding to the shared service number. The downlink resource sharing allocation range is one of the following areas: a location area, a routing area, a service area, a service area, an RNC, a base station, or a cell. Preferably, the indication information may further include a downlink resource sharing allocation indication. The indication information may further include an uplink configuration indication, where the uplink configuration indication is used to indicate whether to allocate terminal uplink configuration information; the processing module 62 is further configured to: after receiving the service assignment message, determine according to the uplink configuration indication Whether to allocate uplink configuration information to the terminal. For the WCDMA system, the radio side network element is an RNC, and the service-assigned message sent by the core network is a service assignment request message, a service assignment modification message, or an incoming relocation request message, where the network temporary identifier is an H-RNTI; The system, the radio side network element is an e-NodeB, and the service-assigned message sent by the core network is a service assignment request message, a service assignment modification message, or a handover access request message, where the network temporary identifier is an RNTI. The system for implementing the same radio resource sharing service by multiple users in the embodiment of the present invention includes the radio side network element, the core network, and the terminal, where: the core network is configured to: when performing service assignment to the terminal, to the wireless The side sends a service-assigned message, where the message carries indication information, where the indication information is used to indicate whether the current service is in the absence. The line side performs downlink resource sharing allocation.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program instructing the associated hardware, such as a read-only memory, a magnetic disk, or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software. While the invention has been described in connection with the specific embodiments, the modifications and variations may be Such modifications and variations are considered to be within the scope of the invention and the scope of the appended claims.

Industrial Applicability The present invention provides a method, a system, and a radio side network element for realizing the same radio resource sharing service for multiple users, and the interface message directly transmitted through the core network and the radio network is used to indicate whether the current service is downlinked on the radio side. The resource sharing allocation indication message enables the wireless side to use the same network temporary identifier to schedule and send downlink service data to multiple terminals using the service, which can effectively save radio resources and effectively reduce downlink interference.

Claims

Claim

A method for realizing the same radio resource sharing service by a multi-user, comprising: sending a service-assigned message to the radio side, the message carrying the indication information, where the indication information is used, Determining whether the current service is performing the downlink resource sharing allocation on the wireless side; and after receiving the message of the service assignment, the radio side network element determines, according to the indication information in the message, whether the current service is performing downlink resource sharing and allocation on the wireless side, if Then, the same network temporary identifier is used to schedule and send downlink service data to multiple terminals using the current service.

2. The method according to claim 1, wherein: the indication information comprises a downlink resource sharing allocation range and a shared service number; scheduling and transmitting, by using the same network temporary identifier, a plurality of terminals using the current service In the step of downlink service data, the radio side network element schedules and transmits downlink service data to a plurality of terminals using the same service corresponding to the shared service number in the downlink resource sharing allocation range.

3. The method according to claim 2, wherein: the downlink resource sharing allocation range is one of the following areas: a location area, a routing area, a service area, a service area, a radio network controller (RNC), a base station, or Community.

4. The method of claim 2, wherein: the indication information further comprises a downlink resource sharing allocation indication.

The method according to any one of claims 2 to 4, wherein: the indication information further includes an uplink configuration indication, where the uplink configuration indication is used to indicate whether to allocate terminal uplink configuration information; and the wireless side network element receives After the service-assigned message, the method further includes: the wireless The side network element determines whether to allocate uplink configuration information to the terminal according to the uplink configuration indication.

6. The method according to claim 1, wherein: for a Wideband Code Division Multiple Access (WCDMA) system, the service-assigned message sent by the core network to the wireless side is a service assignment request message, a service assignment modification message, or The inbound relocation request message, the radio side network element is an RNC, the network temporary identifier is a high speed downlink shared channel radio network temporary identifier (H-RNTI); and for a long term evolution (LTE) system, the core network is to the radio side The sent service assignment message is a service assignment request message, a service assignment modification message, or a handover access request message, where the radio side network element is an evolved Node B (e-NodeB), and the network temporary identifier is a radio network temporary identifier. (RNTI).

A radio side network element, comprising: a receiving module and a processing module, wherein: the receiving module is configured to: after receiving a service assignment message sent by the core network, send the message of the service assignment to the processing module; The processing module is configured to: determine, according to the indication information in the message, whether the current service performs downlink resource sharing allocation on the wireless side, and if yes, use the same network temporary identifier to schedule and use multiple terminals using the current service. Send downlink service data.

8. The radio side network element according to claim 7, wherein: the indication information comprises a downlink resource sharing allocation range and a shared service number; and the processing module is configured to: determine the current according to the indication information in the message When the downlink side resource sharing allocation is performed on the radio side, the service schedules and transmits downlink service data to a plurality of terminals that use the same service corresponding to the shared service number in the downlink resource sharing allocation range.

9. The radio side network element according to claim 8, wherein: the downlink resource sharing allocation range is one of the following areas: a location area, a routing area, and a service Service area, service area, radio network controller (RNC), base station or cell.

10. The radio side network element according to claim 8, wherein: the indication information further includes a downlink resource sharing allocation indication.

The radio side network element according to any one of claims 8 to 10, wherein: the indication information further includes an uplink configuration indication, where the uplink configuration indication is used to indicate whether to allocate terminal uplink configuration information; The module is further configured to: after receiving the message of the service assignment, determine, according to the uplink configuration indication, whether to allocate uplink configuration information to the terminal.

12. The radio side network element according to claim 7, wherein: for a Wideband Code Division Multiple Access (WCDMA) system, the radio side network element is an RNC, and the service assigned message sent by the core network is a service assignment request. a message, a service assignment modification message, or an incoming relocation request message, where the network temporary identifier is a high speed downlink shared channel radio network temporary identifier (H-RNTI); and for a long term evolution (LTE) system, the radio side network element is evolved The Node B (e-NodeB), the service-assigned message sent by the core network is a service assignment request message, a service assignment modification message, or a handover access request message, and the network temporary identifier is a radio network temporary identifier (RNTI).

A system for implementing the same radio resource sharing service for multiple users, comprising the radio side network element, the core network and the terminal according to any one of claims 7 to 12, wherein: the core network is configured to: perform service assignment to the terminal And sending a service-assigned message to the wireless side, where the message carries the indication information, where the indication information is used to indicate whether the current service performs downlink resource sharing and allocation on the wireless side.