WO2012041122A1 - 一种无线资源控制方法及系统 - Google Patents
一种无线资源控制方法及系统 Download PDFInfo
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- WO2012041122A1 WO2012041122A1 PCT/CN2011/077878 CN2011077878W WO2012041122A1 WO 2012041122 A1 WO2012041122 A1 WO 2012041122A1 CN 2011077878 W CN2011077878 W CN 2011077878W WO 2012041122 A1 WO2012041122 A1 WO 2012041122A1
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- Prior art keywords
- user equipment
- information
- service
- rrc connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a radio resource control method and system. Background technique
- the third-generation mobile communication Long Term Evolution (LTE) system consists of an evolved Evolved Universal Terrestrial Radio Access Network (E-UTRAN), User Equipment (UE), and evolved.
- the group consists of Evolved Packet Core (EPC).
- the E-UTRAN is composed of an enhanced base station (eNB) of the access network element.
- the eNB is connected to the terminal UE through the Uu interface, and is connected to the core network element, such as a Mobility Management Entity (MME), through the S1 interface.
- MME Mobility Management Entity
- the access network side has a multi-level access control processing mechanism for accessing the user equipment, so as to ensure that the network side does not overload due to excessive user equipment access.
- the user equipment accesses the network side and needs to complete several processes as shown in Figure 1:
- Random access procedure The user equipment completes synchronization with the network side through the process
- RRC Radio Resource Control
- Attach process Complete the acquisition, authentication process, and security setup of user device identification information.
- the network side sets 15 Access Levels (ACs) for different call types.
- the normal calls belong to AC0 ⁇ 9, and the emergency calls belong to AC10.
- Other high-priority calls belong to AC11 ⁇ 15.
- the network side sets a control factor for AC0 ⁇ 9, and sets the "No Prohibited" flag for AC10 and AC11 15 and broadcasts it to the user equipment to control the random access behavior of these call types.
- the signaling interaction between the user equipment and the access network element is as shown in FIG. 2 and FIG. 3, and there are two procedures of connection establishment and connection rejection.
- the network side can judge whether the user equipment's RRC connection establishment request is "accepted” or "rejected” according to its own data load capacity and signaling load capacity, and air interface load capability.
- connection request initiated by the user equipment may be based on different types of services, and the priorities of the services may be different, in order to implement more flexible and efficient admission control, in the current RRC layer protocol, the user equipment is required to be in the RRC.
- the connection establishment request (RRC Connection Request) carries the reason information of the connection establishment.
- High Priority Access (high priority access, indicating that the user device initiated a high priority service class call),
- M2M Machine to Machine communication
- MTC Machine type communication in 3GPP, or MTC
- M2M Machine to Machine
- M2M is defined in a narrow sense as machine-to-machine communication. Broadly defined, it is a networked application and service centered on intelligent interaction of machine terminals. It is based on intelligent machine terminals and uses multiple communication methods as access means to provide customers with information solutions to meet customers' information needs in monitoring, command and dispatch, data collection and measurement.
- M2M In the application of M2M, the business types are very wide, such as household meter reading, industrial production instrumentation automation, water quality monitoring, intelligent transportation and asset tracking, etc., M2M applications will enter all walks of life, thousands of households, and M2M business types also There will be tens of thousands, and the requirements for QoS (Quality of Service) for the network side and for operators will also be varied. The number of M2M user devices will also far exceed the current mobile phone terminals, which poses a huge pressure on the current and future wireless networks. Due to the large number of M2M user devices, 3Gpp currently proposes the concept of managing user devices in a group manner. In the context of M2M applications, how to protect the network and how to prevent network overload has become a primary problem.
- the user equipment may perform access control on the random access procedure or the user equipment in the RRC layer during the process of establishing a connection with the network and completing the attachment.
- the RRC connection establishment request is controlled, but the flexibility of the current control mechanism cannot meet the admission control of the high-density, multi-service user equipment.
- the current statistics of operators show that the load of data services (such as Internet access, video calls, FTP downloads, etc.) in wireless communication has exceeded the load of voice services.
- data services such as Internet access, video calls, FTP downloads, etc.
- the voice service is the basis of the network operation, but according to the current In the protocol standard, when the user equipment initiates a voice call and a data service call, the connection establishment cause information in the RRC connection establishment request is all mo-Data, and the network side cannot distinguish between voice or data service, and thus flexible admission control cannot be performed.
- the business model refers to the data transmission model when the user equipment and the network side exchange data.
- the elements of the business model include: data interaction periodicity, data interaction frequency, data size, Data interaction direction (refer to the above data, or the following line data, or the uplink and downlink traffic are similar).
- data interaction periodicity a periodicity of the business model
- data interaction frequency a data interaction frequency of the business model
- data size a configurable size of the business model.
- Data interaction direction refer to the above data, or the following line data, or the uplink and downlink traffic are similar.
- Taking smart meters as an example some power companies require each smart meter to report meter reading data every 5 minutes. Some power companies require each smart meter to report meter reading data every hour. Some power companies even only require intelligence. The meter reports the meter reading data once a day, and the traffic of each meter reading data is small.
- Another example is a normal voice service, which can be called an extremely high frequency periodic small data interaction model.
- the Internet service (usually clicking on a web page for several tens of seconds, the following line data is dominant, and the data traffic is large) can be called an intermediate frequency non-periodic big data downlink model.
- the QoS requirements related to admission control include: Access delay tolerance, for example, some services are very sensitive to access delay (such as fire alarm, security, medical monitoring, etc.), Business is less sensitive to access latency (eg meter reading), The former mechanism is unable to distinguish between these differences.
- Different services or user equipment also have different priorities. For example, financial, security, and medical-related services should have higher priority than ordinary services, and current mechanisms cannot be distinguished.
- the present invention provides a radio resource control method and system, so that the network side can more accurately grasp the information of the user equipment, so as to ensure more flexible and accurate admission control on the network side.
- the present invention provides a radio resource control method, including: in a process of establishing a radio resource control (RRC) connection, the user equipment sends an RRC connection setup request message to the base station, and carries the RRC connection setup request message in the RRC connection setup request message.
- RRC radio resource control
- the information for indicating the nature of the current access is selected by the user equipment from a list of RRC connection establishment reasons pre-agreed with the network side.
- the above method further includes: the user equipment selects information indicating the nature of the current access from the RRC connection establishment cause list agreed in advance with the network side by:
- the user equipment selects an RRC connection establishment cause that is consistent with the nature of the current access from the RRC connection establishment cause list, and uses an index corresponding to the selected RRC connection establishment cause as the information indicating the nature of the current access. Added in the RRC Connection Setup Request message.
- Each RRC connection establishment cause in the RRC connection establishment cause list includes a combination of one or more of the following information:
- Service type information type information of user equipment, group information of user equipment, priority information of user equipment, priority information of service, type information of service model, public land mobile network type information, access level information, and service Service quality requirement type information.
- the service type information is information classified by call service;
- the grouping information of the user equipment is a serial number of the user equipment group or an identifier of the user equipment grouping
- the priority information of the user equipment is a priority sequence number of the user equipment pre-agreed by the network side and the user equipment, or a priority identifier of the user equipment;
- the priority information of the service is a priority sequence number of the service pre-agreed by the network side and the user equipment, or a priority identifier of the service;
- the type information of the service model is data communication model information of the service, and includes one of the following information. Combination of one or more types: data interaction periodicity, data interaction frequency, data volume size, and data interaction direction;
- the public land mobile network type information includes one or more of the following information: whether the user equipment is identification information on its local public land mobile network (HPLMN), whether the user equipment is on its equivalent HPLMN, or not, Whether the user equipment is identification information on a PLMN in the preferred PLMN list included in the user identity module or the global user identity module, whether the user equipment is the identification information of the roaming user equipment, the identification information of the HPLMN of the user equipment, and the user Identification information of the equivalent HPLMN of the device;
- HPLMN local public land mobile network
- HPLMN public land mobile network
- the access level information is an access level sequence number or an access level identifier agreed by the network side and the user equipment in advance;
- the quality of service requirement type information of the service includes a combination of one or more of the following: access delay tolerance, guaranteed traffic, and allowed error rate.
- the present invention further provides a radio resource control system, including: a user equipment, configured to: send an RRC connection setup request message to a base station in a process of establishing a radio resource control (RRC) connection,
- RRC radio resource control
- the RRC connection setup request message carries information indicating the nature of the current access
- the base station is configured to determine whether to allow the user equipment to establish an RRC connection according to the information used to indicate the nature of the current access.
- the user equipment is further configured to: before the sending the RRC connection setup request message to the base station, select the used to indicate the current access from the RRC connection establishment cause list agreed in advance with the network side. Nature of information.
- the user equipment is configured to select information for indicating the nature of the current access by: selecting an RRC connection establishment reason that matches the nature of the current access from the RRC connection establishment cause list, and establishing the selected RRC connection.
- the reason is added to the RRC Connection Setup Request message as the information indicating the nature of the current access.
- Each RRC connection establishment cause in the RRC connection establishment cause list includes a combination of one or more of the following information:
- Call service type information user equipment type information, user equipment group information, user equipment priority information, service priority information, service model type information, public land mobile network type information, access level information, and service
- the quality of service requires type information.
- the service type information is information classified by call service
- the grouping information of the user equipment is a serial number of the user equipment group or an identifier of the user equipment grouping
- the priority information of the user equipment is a priority sequence number of the user equipment agreed by the network side and the user equipment, or a priority identifier of the user equipment;
- the priority information of the service is a priority sequence number of the service agreed by the network side and the user equipment in advance, or a priority identifier of the service;
- the type information of the service model is data communication model information of the service, and includes a combination of one or more of the following information: data interaction periodicity, data interaction frequency, data volume size, and data interaction direction;
- the public land mobile network type information includes one or more of the following information: whether the user equipment is identification information on its local public land mobile network (HPLMN), whether the user equipment is on its equivalent HPLMN, or not, Whether the user equipment is identification information on a PLMN in the preferred PLMN list included in the user identity module or the global user identity module, whether the user equipment is the identification information of the roaming user equipment, the identification information of the HPLMN of the user equipment, and the user Identification information of the equivalent HPLMN of the device;
- HPLMN local public land mobile network
- HPLMN public land mobile network
- the access level information is an access level sequence number or an access level identifier agreed by the network side and the user equipment in advance;
- the quality of service requirement type information of the service includes a combination of one or more of the following: access delay tolerance, guaranteed traffic, and allowed error rate.
- the system is a long term evolution system or a global mobile communication system.
- the present invention provides an admission control method and system that enables a user equipment to report more accurate information related to the type of call setup to assist the network side in performing more flexible and accurate admission control.
- FIG. 1 is a schematic diagram of a process required for a user equipment to access a network side
- FIG. 2 is a schematic diagram of a process of completing an RRC connection establishment process
- FIG. 3 is a schematic diagram of a process of rejecting an RRC connection establishment process
- FIG. 5 is a flowchart of an admission control method according to an embodiment of the present invention. Preferred embodiment of the invention
- FIG. 4 is a flow chart of the admission control method of the present invention. As shown in FIG. 4, the method includes the following steps:
- RRC radio resource control
- the base station determines, according to the information used to indicate the nature of the current access, whether the user equipment is allowed to establish an RRC connection.
- the user equipment selects the information indicating the nature of the current access from the RRC connection establishment cause list agreed in advance with the network side.
- the RRC connection establishment cause of the secondary access nature the index corresponding to the RRC connection establishment cause is added as the information indicating the nature of the current access The RRC connection setup request message.
- This embodiment is applicable to LTE systems or UMTS (Universal Mobile)
- the user equipment accesses the network side and applies for the RRC connection establishment.
- the following process is required. As shown in Figure 5, the following steps are included:
- the user equipment and the base station establish synchronization.
- the user equipment selects a corresponding RRC connection establishment cause according to the current connection establishment property, and includes an index corresponding to the RRC connection establishment cause in the RRC connection establishment request.
- the user equipment sends an RRC connection establishment request to the base station.
- the base station according to the load situation on the network side, combined with the RRC connection establishment cause of the user equipment, to determine whether the current connection request of the user equipment can be accepted, if yes, go to step S105, if not, then go to step S 106;
- the base station If the base station agrees to establish an RRC connection, the user equipment feeds back an RRC connection setup message to the user equipment.
- the RRC connection reject message is fed back to the user equipment.
- steps S101, S103, S105 and S106 all conform to the existing mechanism.
- step S102 the network side and the user equipment pre-approve an RRC connection establishment cause list, and the user equipment selects an RRC connection establishment reason in the list that conforms to the current access nature.
- the setting of the RRC connection establishment cause in the RRC connection establishment cause list of the present invention may be one or a combination of the following information: call service type information, user equipment type information, user equipment group information, user Priority information of the device, priority information of the service, type information of the service model, PLMN (Public Land Mobile Network) type information, Access Class information, and QoS request type information of the service.
- call service type information user equipment type information
- user equipment group information user Priority information of the device
- priority information of the service priority information of the service
- type information of the service model PLMN (Public Land Mobile Network) type information
- Access Class information Access Class information
- QoS request type information of the service QoS request type information of the service.
- the call service type information refers to information classified by call service, including one of the following or A variety of:
- Calling or called voice calls calling or called video streaming calls, calling or called interactive voice calls, calling or called data calls, and calling or called signaling services.
- the data call can be only a simple one, or can be further divided into more detailed categories, such as: http Internet service, FTP download service, meter reading business, monitoring business, intelligent transportation business, and asset tracking business.
- the type information of the user equipment refers to information classified by the user equipment, including one or more of the following: an H2H user equipment, an M2M user equipment, and other types of user equipment.
- the group information of the user equipment refers to the identifier of the user equipment group (Group), and includes: a serial number or identifier of the user equipment group (Group).
- the Group-RNTI Radio Network Temporary Indicator
- the group information of the user equipment can be directly used by the Group-RNTI, and can also be used.
- a serial number pre-agreed with the network side, and the network side establishes the corresponding relationship between the serial number and the packet in advance.
- the priority information of the user equipment refers to the priority of the user equipment agreed by the network side and the user equipment in advance, including: a priority number, or a priority identifier.
- the priority can be 1 or more, which can be higher than the existing H2H device or lower than the existing H2H device.
- H2H device refers to the RRC connection establishment reason already included in the existing protocol
- it can include the following types:
- Level 2 High priority equipment, H2H equipment and low priority equipment
- Multi-level H2H equipment, low priority level 1 equipment, low priority level 2 equipment and low priority N level equipment (N is a positive integer);
- H2H devices low priority level 1 devices, low priority level 2 devices, and low priority N devices (M and N are positive integers);
- the correspondence between the specific device type and the device priority is advanced by the network side and the user equipment. Convention.
- the priority information of the service refers to the service priority agreed by the network side and the user equipment in advance, and includes: a priority number or a priority identifier. Due to the introduction of smart phones and M2M devices, the types of wireless communication services have increased greatly. The reasons for the establishment of RRC connections in existing protocols include: Emergency (indicating that the user equipment initiates an emergency call), highPriorityAccess (indicating that the user equipment initiates a high priority) Service class call), mt-Access (indicating that the user equipment is requesting to establish a connection due to the called party), mo-Signalling (indicating that the user equipment is the originating caller signaling class call), mo-Data (indicating that the user equipment is the initiator Call the data class call).
- Emergency indicating that the user equipment initiates an emergency call
- highPriorityAccess indicating that the user equipment initiates a high priority
- Service class call indicating that the user equipment is requesting to establish a connection due to the called party
- mo-Signalling indicating that the user equipment is the originating call
- H2H service refers to the RRC connection establishment reason already included in the existing protocol
- H2H service refers to the RRC connection establishment reason already included in the existing protocol
- Level 2 High priority service, H2H service, and low priority service
- Multi-level H2H service, low priority level 1 service, low priority level 2 service and low priority N level service (N is a positive integer);
- Another multi-level high priority level 1 business, high priority level 2 business high priority M level business,
- H2H service low priority level 1 service, low priority level 2 service and low priority class N service (M and N are positive integers);
- the correspondence between the specific service type and the service priority is pre-agreed by the network side and the user equipment.
- the type information of the service model refers to a data communication model of the service, and includes a combination of one or more of the following features: data interaction periodicity (whether periodic data interaction), data interaction frequency, data volume size, And the direction of data interaction (refer to the above line data, or the following line data, or the uplink and downlink traffic is similar).
- data interaction periodicity whether periodic data interaction
- data interaction frequency whether periodic data interaction
- data volume size data volume size
- direction of data interaction refer to the above line data, or the following line data, or the uplink and downlink traffic is similar.
- Period small data business model low frequency periodic small data Reporting, very low frequency periodic small data reporting, extremely high frequency periodic small data interaction model, and medium frequency aperiodic big data downlink model.
- the correspondence between the specific service type and the service model is pre-determined by the network side and the user equipment.
- the PLMN type information is the PLMN type information agreed by the network side and the user equipment in advance, including one or more of the following: whether the user equipment is on the HPLMN (home PLMN, local public land mobile network), the user equipment Whether the identification information on the equivalent HPLMN, whether the user equipment is in one of its SIM (Subscriber Identity Module) or USIM (Universal Subscriber Identity Module) The identification information on the PLMN, whether the user equipment is the identification information of the roaming user equipment, the identification information of the HPLMN of the user equipment, and the identifier information of the equivalent HPLMN of the user equipment;
- SIM Subscriber Identity Module
- USIM Universal Subscriber Identity Module
- the access level information refers to an access level agreed by the network side and the user equipment in advance, including: an access level sequence number, or an access level identifier;
- Access Class N (N is a positive number greater than or equal to 0).
- the Qos request type information of the service includes a combination of one or more of the following requirements: access delay tolerance, guaranteed traffic, and allowed bit error rate.
- access delay tolerance a combination of one or more of the following requirements: access delay tolerance, guaranteed traffic, and allowed bit error rate.
- access delay tolerance a combination of one or more of the following requirements: access delay tolerance, guaranteed traffic, and allowed bit error rate.
- the access delay can be set to: Simple Level 2: Sensitive to access delay and insensitive to access delay;
- Multi-level High access delay sensitivity, access delay sensitivity, and low access latency sensitivity; can also be a combination of multiple Qos requirements, such as:
- the "RRC connection establishment cause list may be a combination of one or more of the following information" means:
- the RRC connection establishment cause list may be one or more of the above various feature information. kind, or a combination of one or more.
- Table 1 is an example of an RRC connection establishment cause list (a combination of priority information and user equipment type information):
- the admission control method and system of the present invention enables the user equipment to report more accurate information related to the type of call setup to assist the network side in performing more flexible and accurate admission control.
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Abstract
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Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013530545A JP5690405B2 (ja) | 2010-09-29 | 2011-08-01 | 無線リソース制御方法及びシステム |
| EP11828018.9A EP2624656A4 (en) | 2010-09-29 | 2011-08-01 | METHOD AND SYSTEM FOR FUNCTION CONTROL |
| US13/876,492 US9432971B2 (en) | 2010-09-29 | 2011-08-01 | Method and system for radio resource control |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010503855.8A CN102438292B (zh) | 2010-09-29 | 2010-09-29 | 一种无线资源控制方法及系统 |
| CN201010503855.8 | 2010-09-29 |
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| Publication Number | Publication Date |
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| WO2012041122A1 true WO2012041122A1 (zh) | 2012-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/077878 Ceased WO2012041122A1 (zh) | 2010-09-29 | 2011-08-01 | 一种无线资源控制方法及系统 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9432971B2 (zh) |
| EP (1) | EP2624656A4 (zh) |
| JP (1) | JP5690405B2 (zh) |
| CN (1) | CN102438292B (zh) |
| WO (1) | WO2012041122A1 (zh) |
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- 2011-08-01 WO PCT/CN2011/077878 patent/WO2012041122A1/zh not_active Ceased
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9736879B2 (en) | 2012-05-29 | 2017-08-15 | Fujitsu Limited | Wireless communications system, wireless station, base station, and communications method |
| US9942940B2 (en) | 2012-05-29 | 2018-04-10 | Fujitsu Limited | Wireless communications system, wireless station, base station, and communications method |
| US10206243B2 (en) | 2012-05-29 | 2019-02-12 | Fujitsu Connected Technologies Limited | Wireless communications system, wireless station, base station, and communications method |
| GB2512393A (en) * | 2013-03-28 | 2014-10-01 | Nec Corp | Apparatus and methods for small data transmission |
| US9860924B2 (en) | 2013-03-28 | 2018-01-02 | Nec Corporation | Wireless communication terminal and method for wireless communication |
| US10212739B2 (en) | 2013-03-28 | 2019-02-19 | Nec Corporation | Wireless communication terminal and method for wireless communication that incorporates a small-data indicator for establishing wireless connection with a network |
| US10433350B2 (en) | 2013-03-28 | 2019-10-01 | Nec Corporation | Wireless network device and user equipment, method and system for wireless communication that provides an indicator for operating in a small data transmission mode |
| US10750551B2 (en) | 2013-03-28 | 2020-08-18 | Nec Corporation | User equipment for wireless network communication, method of operating same, network device for wireless communication and wireless communication system |
| US11558908B2 (en) | 2013-03-28 | 2023-01-17 | Nec Corporation | Wireless network device and user equipment, and method and system for wireless communication |
| JP2016146661A (ja) * | 2016-03-31 | 2016-08-12 | 富士通株式会社 | 無線通信システム、無線局および基地局 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013542656A (ja) | 2013-11-21 |
| CN102438292A (zh) | 2012-05-02 |
| JP5690405B2 (ja) | 2015-03-25 |
| US20130288693A1 (en) | 2013-10-31 |
| CN102438292B (zh) | 2015-06-10 |
| US9432971B2 (en) | 2016-08-30 |
| EP2624656A1 (en) | 2013-08-07 |
| EP2624656A4 (en) | 2016-07-13 |
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