WO2016107002A1 - Procédé de contrôle d'accès de service basé sur la proximité, ue prose, et support de stockage - Google Patents

Procédé de contrôle d'accès de service basé sur la proximité, ue prose, et support de stockage Download PDF

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Publication number
WO2016107002A1
WO2016107002A1 PCT/CN2015/076210 CN2015076210W WO2016107002A1 WO 2016107002 A1 WO2016107002 A1 WO 2016107002A1 CN 2015076210 W CN2015076210 W CN 2015076210W WO 2016107002 A1 WO2016107002 A1 WO 2016107002A1
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WIPO (PCT)
Prior art keywords
prose
access
access level
communication
level restriction
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PCT/CN2015/076210
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English (en)
Chinese (zh)
Inventor
罗宇民
吴蕴璐
黄莹
罗薇
陈琳
马书宇
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ZTE Corp
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ZTE Corp
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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
    • H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to an access control technology in the field of communications, and in particular, to an access control method for a neighboring service, a Proximity-based Services (ProSe) user equipment (User Equipment, UE), and a storage medium.
  • ProSe Proximity-based Services
  • UE User Equipment
  • D2D Device-to-Device
  • ProSe communication device-to-device communication
  • the application of D2D technology can reduce the burden of cellular networks, reduce the battery power consumption of user equipment, increase the data rate, and improve the robustness of the network infrastructure, which satisfies the requirements of the above high data rate services and proximity services.
  • D2D technology can work in licensed or unlicensed bands, allowing multiple D2D-enabled user equipment (D2D User Equipment, D2D UE) to directly discover without network infrastructure or network infrastructure. / Direct communication.
  • D2D User Equipment D2D User Equipment
  • D2D UE D2D User Equipment
  • UE1 and UE2 perform data interaction under the coverage of the cellular network, and the user plane data does not pass through the network infrastructure, as shown in mode 1 of FIG. 1; UE relay transmission in the weak/uncovered area, as shown in mode 2 in FIG.
  • the UE4 with poor signal quality communicates with the network through the UE3 with network coverage nearby, which can help operators expand coverage and increase capacity.
  • Direct communication such as mode 3 in Figure 1, UE5, UE6 and UE7 control plane and user plane do not go through the network infrastructure for one-hop or multi-hop data communication.
  • D2D technology usually includes D2D discovery technology and D2D communication technology:
  • the D2D discovery technology is used to determine/determine the proximity between two or more D2D user equipments (for example, within a range in which D2D direct communication can be performed) or to determine/determine that the first user equipment is adjacent to the second user equipment.
  • the D2D user equipment can discover the other party by sending or receiving the discovery signal/information. Under the coverage of the cellular network, the network can assist the D2D user equipment to perform D2D discovery;
  • D2D communication technology refers to a technology in which some or all of the communication data between D2D user equipments can communicate directly without going through the network infrastructure.
  • the neighboring service user equipment ProSe UE needs to obtain corresponding radio resources first before performing D2D discovery or D2D communication.
  • the first resource allocation mode is usually pre-allocated by the base station or the system to a D2D resource pool, and the ProSe UE participating in the D2D discovery/communication listens to the resource pool and acquires the D2D transmission resource in a competitive manner.
  • the second resource allocation mode is configured by the base station to allocate the appropriate D2D resources to the ProSe UE according to the request of the ProSe UE.
  • the ProSe UE when the ProSe UE needs to send data for D2D discovery/communication, in the case of the second resource allocation mode, the ProSe UE in the network coverage needs to enter the connection state to apply for the resource, that is, the ProSe UE.
  • the access to the network is required.
  • the ProSe UE acquires resources through competition in accordance with the requirements.
  • access control under overload conditions is performed through ACB (Access Class Barring Access Level Restriction) and EAB (Extended Access Barring Extended Access Restriction). .
  • the prior art service has not been proposed in the prior art (ie, said D2D) access control to avoid overloading the network and excessive interference, especially in high-load applications and high-interference scenarios, allowing uncontrolled user equipment to access the network using D2D services, resulting in network Load and interference are further exacerbated.
  • the embodiment of the present invention is to provide an access control method for a neighbor service, a ProSe UE, and a storage medium, so as to reduce the phenomenon of high load and high interference caused by user equipment access using the neighbor service.
  • the technical solution of the embodiment of the present invention is implemented as follows:
  • the first aspect of the embodiment of the present invention provides an access control method for a neighbor service, where the method includes:
  • the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication, allowing the ProSe UE to initiate a cell access request or access a neighboring service access competition resource.
  • the access level restriction parameter for ProSe communication further includes: an access level restriction parameter for a special access level of ProSe communication; and an access level of the special access level for ProSe communication.
  • the restriction parameter includes an access level restriction parameter of a first type of special access level for ProSe communication, which is a specified value;
  • the method further includes:
  • the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication
  • the ProSe UE When the AC value of the ProSe UE has at least one of the first specified AC value and the access level restriction parameter of the special access level for ProSe communication corresponding to the first designated AC value of the ProSe UE is the first When the class is used for the access level restriction parameter of the special access level of the ProSe communication, the ProSe UE is allowed to initiate a cell access request or access the neighbor service access competition resource.
  • the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication
  • the method further includes:
  • the access level restriction parameter for the special access level of the ProSe communication is not used for the first category. Generating a random number when accessing the access level limit parameter of the special access level of the ProSe communication;
  • the ProSe UE When the random number is smaller than the access level restriction factor for ProSe communication, the ProSe UE is allowed to initiate a cell access request or access a neighbor service access competition resource.
  • the method further includes:
  • the ProSe UE When the random number is not less than the access level restriction factor for ProSe communication, the ProSe UE is prohibited from initiating a cell access request or accessing a neighbor service access competition resource.
  • the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
  • the method further includes:
  • the random number is not less than the access level restriction factor for ProSe communication, determining, according to the access level restriction time parameter of the ProSe communication, determining that the ProSe UE is prohibited from initiating The time of prohibition of accessing a request or accessing a neighboring service to access competing resources;
  • the ProSe UE is prohibited from initiating an access request or accessing a neighbor service access competition resource during the prohibition time.
  • the ProSe UEs have different priority levels
  • the first AC values of the ProSe UEs of different priority levels are at least partially different
  • the method further includes:
  • the priority of the ProSe UE of the i-th priority is lower than that of the i-th priority, and the access level restriction factor for the ProSe communication corresponding to the i-th priority of the ProSe UE is An access level restriction factor for ProSe communication; the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication;
  • the i is an integer not less than 2.
  • the AC value of the ProSe UE is the same as the AC value of the UE in cellular communication.
  • the AC value of the ProSe UE is an AC value dedicated to the ProSe communication.
  • the method further includes:
  • the ProSe UE When the ProSe UE is the UE that restricts access in the access control information, the ProSe UE is prohibited from initiating a request to access or access a neighboring service access competition resource within a specified time;
  • Determining whether the neighbor service access control information includes the access level restriction information and the access level restriction parameter used for the ProSe communication including:
  • the ProSe UE is the UE that restricts access in the neighboring access control information
  • the method further includes:
  • the neighbor service access control information is received from a system message or dedicated signaling sent by the base station.
  • a second aspect of the embodiments of the present invention provides a ProSe UE, where the ProSe UE includes:
  • a first determining unit configured to determine whether a timer for prohibiting access is running
  • the prohibiting unit is configured to prohibit the ProSe UE from initiating a cell access request or accessing the neighboring service to access the contention resource when the timer is running;
  • a second determining unit configured to determine, when the timer is not running, whether the neighbor service access control information includes access level restriction information and an access level restriction parameter used for ProSe communication;
  • the enabling unit is configured to allow the ProSe UE to initiate a cell access request or access a neighbor service when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication Access to competitive resources.
  • the access level restriction parameter for ProSe communication further includes: an access level restriction parameter for a special access level of ProSe communication; and an access level of the special access level for ProSe communication.
  • the restriction parameter includes an access level restriction parameter of a first type of special access level for ProSe communication, which is a specified value;
  • the second determining unit is further configured to determine, when the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, whether the AC value of the ProSe UE is at least Whether there is an access level restriction parameter for a first specified AC value and a special access level for ProSe communication corresponding to the first specified AC value of the ProSe UE is the first type of special access for ProSe communication Level access level limit parameter;
  • the enabling unit is further configured to: when the AC value of the ProSe UE has at least one of a first specified AC value and the ProSe UE first specified AC value corresponds to a special access level for ProSe communication access
  • the level restriction parameter is the access class restriction parameter of the first type of special access level for ProSe communication
  • the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
  • the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication
  • the ProSe UE further includes:
  • a generating unit configured to: when the AC value of the ProSe UE does not have a first specified AC value or a first specified AC value of the ProSe UE, an access level restriction parameter for a special access level for ProSe communication is not Generating a random number when the first type of access level restriction parameter for a special access level of ProSe communication is used;
  • a comparing unit configured to compare the random number with an access level restriction factor for ProSe communication
  • the enabling unit is further configured to allow the ProSe UE to initiate a cell access request or access a neighboring service access competing resource when the random number is less than the access level limiting factor.
  • the prohibiting unit is further configured to: when the random number is not less than the access level restriction factor for ProSe communication, prohibit the ProSe UE from initiating a cell access request or accessing a neighbor service access competition. Resources.
  • the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
  • a second determining unit configured to: when the random number is not less than the access level restriction factor for ProSe communication, determine, according to the access level restriction time parameter of the ProSe communication, that the ProSe UE is prohibited from initiating access The time of prohibition of requesting or accessing a neighboring service to access competing resources;
  • the prohibiting unit is further configured to prohibit the ProSe UE from starting in the prohibition time. Access requests or access neighbor services to access competing resources.
  • the ProSe UEs have different priority levels
  • the first specified AC values of the ProSe UEs of different priority levels are at least partially different
  • the comparing unit is further configured to determine a priority of the ProSe, and determine, according to the priority, an access level restriction factor for ProSe communication for comparing with the random number;
  • the priority of the ProSe UE of the i-th priority is lower than that of the i-th priority, and the access level restriction factor for the ProSe communication corresponding to the i-th priority of the ProSe UE is An access level restriction factor for ProSe communication; the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication;
  • the i is an integer not less than 2.
  • the AC value of the ProSe UE is the same as the AC value of the UE in cellular communication.
  • the AC value of the ProSe UE is an AC value dedicated to the ProSe communication.
  • the ProSe UE further includes:
  • a querying unit configured to query configuration information of the ProSe UE
  • the prohibiting unit is further configured to, when the ProSe UE is the UE that restricts access in the neighbor service access control information, prohibit the ProSe UE from initiating a request for access or accessing a neighbor service access competition within a specified time.
  • the second determining unit is further configured to determine, when the ProSe UE is a UE that restricts access in the neighbor service access control information, whether the neighbor service access control information includes access level restriction information and is used for ProSe Access level limit parameters for communication.
  • the ProSe UE further includes:
  • the receiving unit is configured to receive the neighbor service access control information from a system message or a dedicated signaling sent by the base station.
  • the third aspect of the embodiments of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, where the computer executable instructions are used to execute at least one of the methods of the first aspect of the embodiments of the present invention. one.
  • the access control method, the ProSe UE, and the storage medium determines whether the current cell is allowed to access according to the access control level information in the access control information sent by the base station and the access level restriction parameter used for the ProSe communication.
  • the phenomenon that the busyness and the interference degree of the cell with high load and/or high interference are further increased regardless of the busyness of the current cell, and the user equipment access using the neighbor service is reduced. The resulting high load and high interference phenomena.
  • Figure 1 is a schematic diagram of three communication modes of a neighbor service
  • FIG. 2 is a schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present invention
  • FIG. 3 is a second schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a ProSe UE according to an embodiment of the present disclosure.
  • FIG. 5 is a third schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present disclosure
  • FIG. 6 is a fourth schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present invention.
  • the embodiment of the present invention provides a neighboring service access control method and a ProSe UE, which determines whether to allow the ProSe UE to initiate a cell access request or access a neighbor service access according to the neighbor service access control information sent by the base station. Competing resources, so that the purpose of controlling the access of the ProSe UE is achieved, and in the case of high load or high interference, the access to the cell is avoided by the reception of the access control information.
  • this embodiment provides an access control method for a neighbor service, where the method includes:
  • Step S110 determining whether the timer for prohibiting access is running
  • Step S120 When the timer is running, prohibiting the ProSe UE from initiating a cell access request or accessing a neighboring service to access a contention resource;
  • Step S130 determining, when the timer is not running, determining whether the neighbor service access control information includes access level restriction information and an access level restriction parameter used for ProSe communication;
  • Step S140 Allow the ProSe UE to initiate a cell access request or access a neighbor service access when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication.
  • Competitive resources Allow the ProSe UE to initiate a cell access request or access a neighbor service access when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication.
  • the timer may be a timer such as T302 or Tbarring in the user equipment UE; the opening of these timers usually causes the user equipment UE to not allow an access request or access access to the contention resources for a period of time.
  • the configuration of the T302 and the timing start timing can be referred to the provisions in the existing communication protocol, and will not be described herein.
  • the timing start of the Tbarring may be determined according to neighbor service access control information received from the base station.
  • the neighbor service access control information received from the base station (such as the evolved base station eNB) includes the access level restriction information ac-BarringInfo and is used for ProSe. Access level limit parameter for communication ac-BarringForProSeComm.
  • the access level restriction information and the access level restriction parameter for ProSe communication When the access level restriction information and the access level restriction parameter for ProSe communication are not included, it indicates that the base station does not currently want to restrict ProSe communication access of the ProSe UE, thereby allowing the ProSe UE to initiate ProSe.
  • the access request for communication or the access neighbor service accesses the contention resource to enter the designated cell.
  • the neighbor service access control information is sent by a base station where the ProSe UE is located and a base station capable of establishing a wireless connection.
  • the access request initiated by the ProSe UE in the step S130 may be the cell in which the access ProSe UE is currently located, or may be another cell formed by the base station of the current cell where the ProSe UE is located.
  • the access request is a neighbor service access request in step S130.
  • the access level restriction parameter ac-BarringForProSeComm for ProSe communication further includes an access level restriction parameter ac-BarringForSpecialAC for a special access level of ProSe communication.
  • the access level restriction parameter of the special access level for ProSe communication includes an access level restriction parameter of a first type of special access level for ProSe communication, which is a specified value.
  • the specified value is a specified sequence of one or more bits corresponding to the ac-BarringForSpecialAC; specifically, when the ac-BarringForSpecialAC corresponds to 1 bit, the ac-BarringForSpecialAC of the bit may be regarded as 0.
  • the first type is ac-BarringForSpecialAC.
  • the specified value may be determined according to a communication protocol, or may be determined based on negotiation between a base station and a UE.
  • the method in this embodiment further includes:
  • Step S150 When the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, determine whether the AC value of the ProSe UE is at least one of the first designated ACs. a value corresponding to the first specified AC value of the ProSe UE Whether the access level restriction parameter of the special access level of the ProSe communication is the access level restriction parameter of the first type of special access level for ProSe communication.
  • Step S160 When the AC value of the ProSe UE has at least one of the first specified AC value and the access level restriction parameter of the special access level for ProSe communication corresponding to the first designated AC value of the ProSe UE is When the first type of access level restriction parameter for a special access level of ProSe communication is used, the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
  • the AC value of the ProSe UE includes 10 AC values of AC values of 0, 1, 2, ... 9, and the AC value may also include 5 AC values of 11 to 15.
  • the AC value may also include one or more AC values added based on the AC value for cellular communication, such as an AC value of 16 or 17.
  • a ProSe UE may include multiple AC values with different values.
  • the step S160 is to determine whether the one or more AC values of the ProSe UE have a first specified AC value.
  • the first designated AC value may be an AC value specified by one or more of the above AC values.
  • the current value of the first specified AC value may be 11 to 15; if the AC value of the current ProSe UE is an AC value of 4 to 9 specifically, the AC of the pre-ProSe UE is determined. The value does not include the first specified AC value. If the ProSe UE includes multiple AC values, if the AC values include 12 AC values, it is determined that at least one of the AC values of the ProSe UE is the first designated AC value.
  • the user equipment UE determines whether to initiate an access request or access a neighboring service access competing resource according to the neighbor service access control information sent by the base station; this may facilitate the base station according to its own load and the measured interference degree of the cell.
  • the ac-BarringForSpecialAC is set to control the access control of the ProSe UE.
  • the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication;
  • the method further includes:
  • Step S170 When the AC value of the ProSe UE does not have the first specified AC value or the first specified AC value of the ProSe UE, the access level restriction parameter for the special access level of the ProSe communication is not the A random number is generated when a class of access level restriction parameters for a special access level of ProSe communication is used;
  • Step S180 comparing the random number with an access level restriction factor for ProSe communication
  • Step S190 When the random number is smaller than the access level restriction factor, the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
  • the method further includes:
  • Step S200 When the random number is not less than the access level restriction factor ac-BarringProSeFactor for ProSe communication, the ProSe UE is prohibited from initiating a cell access request or accessing a neighbor service access competition resource.
  • the random number is randomly generated.
  • the value range of the random number is the same as the value range of the access level restriction factor used for the ProSe communication, and when the access level restriction factor for the ProSe communication ranges from 0 to 1, the The access level restriction factor for ProSe communication is also 0 to 1; and the number within the range of values is usually a uniformly distributed random number.
  • the value range may be determined by the base station and the user equipment UE according to a communication protocol or determined by negotiation.
  • the probability that the user equipment generates any random number according to the statistical probability is the same; if the value of the access level restriction factor for the ProSe communication is large, the ProSe UE is allowed to initiate. Access requests or access to neighboring services are more likely to access competing resources.
  • the access of the ProSe UE can be restricted by setting an access level restriction factor for ProSe communication with a lower value.
  • the ProSe UE may receive two access level restriction factors for ProSe communication with different sizes from the base station to limit the ProSe UE, and when determining that the AC value of the ProSe UE is an AC value of 0 to 4, it is used for ProSe communication.
  • the access level restriction factor is greater than the access level restriction factor for ProSe communication with the AC value of the ProSe UE being 5 to 9.
  • the ProSe UE with the AC value of 5 to 9 can be restricted to ensure that the AC value is 0 to The ProSe UE of 4 has more access requests or access to competing resources.
  • the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
  • the method further includes:
  • the access level restriction factor for ProSe communication determines, according to the access level restriction time parameter ac-BarringProSeTime of the ProSe communication, prohibiting the ProSe UE from initiating an access request or accessing a neighbor The time when the service accesses the competitive resources;
  • the ProSe UE is prohibited from initiating an access request or accessing a neighbor service access competition resource during the prohibition time.
  • the timing of the prohibition time can be performed by using Tbarring in step S110.
  • the time for prohibiting the prohibition of access may be started after determining to prohibit the initiation of the access request or the access to the contention resource, thereby avoiding After the ProSe UE is forbidden to access, the steps S110 to S200 are repeatedly performed repeatedly, resulting in a problem that the UE consumes a large amount of energy.
  • the ProSe UEs have different priority levels; the first AC values of the ProSe UEs of different priority levels are at least partially different.
  • the method also includes determining a priority of the ProSe, and determining an access level restriction factor for ProSe communication for comparison with the random number based on the priority.
  • the ProSe UE of the i-th priority has a lower priority than the ProSe UE of the i-th priority.
  • the i-th priority The access level restriction factor for the ProSe communication corresponding to the ProSe UE is the access level restriction factor for the ith for ProSe communication.
  • the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication; the i is an integer not less than 2.
  • the priority of the ProSe UE may be determined by a special priority parameter, or may be determined by a non-first specified AC value, but is determined by the first specified AC value in this embodiment, In this way, the neighbor service access control information can be simplified, so that the step of forming the neighbor service access control information by the base station can be simplified, and the information amount of the neighbor service access control information can be reduced.
  • the foregoing solution indicates that the access level restriction factor for ProSe communication corresponding to the AC value of the high priority is higher than the AC value of the ProSe corresponding to the low priority. Enter the level limit factor.
  • the priority of the ProSe UE includes a high priority and a non-high priority; the non-high priority is lower than the high priority. This ensures that high priority has a higher probability of accessing ProSe communication.
  • the access level restriction parameter for ProSe communication includes multiple access level restriction factors for ProSe communication; different access level restriction factors for ProSe communication correspond to ACs of different ProSe UEs Value; these AC values correspond to different priorities.
  • the AC value of the ProSe UE has a certain mapping relationship with the priority of the ProSe UE.
  • the AC value that can be used to indicate the priority of the ProSe UE is the AC value in the first specified AC value; specifically, when the first AC value includes an AC value of 11 to 15, and also includes a new one. It is an AC value of 16 or 17, which may be a ProSe UE with a certain first AC value having a higher priority than another first AC value.
  • the priority of the ProSe UE including the first designated AC value may be higher than the AC value of the AC value of 0 to 9.
  • the priority of the ProSe UE. Which AC value corresponds to a high priority may be determined according to negotiation between the base station and the UE, or may be determined according to a communication protocol.
  • the access level restriction factor for ProSe communication corresponding to the higher priority ProSe UE has a higher value, thereby generating The probability that the random number is smaller than the access level restriction factor for ProSe communication is greater.
  • the access level restriction parameter ac-BarringForSpecialAC of the first type of special access level for ProSe communication if the AC value of the current ProSe UE is Including the AC value of 13, the access level restriction parameter for confirming the special access level of the ProSe communication corresponding to the AC value of the ProSe UE includes the access of the first type of special access level for ProSe communication.
  • the level limit parameter which will allow it to initiate access requests and access competing resources.
  • the AC value stored in the ProSe UE or the AC value of the neighbor service access control information in this embodiment may be the same as the AC value in the cellular communication.
  • the AC value may be used for cellular communication. It is also used in the ProSe communication described in this embodiment. Since the application of the AC value has been widely used in cellular communication, the ProSe communication can directly multiplex the AC value of the cellular communication without being re-specialized, thereby having strong compatibility with cellular communication and simplifying the connection.
  • the first designated AC value may obviously also be one or more AC values used in cellular communications.
  • the AC value of the ProSe UE is an AC value dedicated to the ProSe communication.
  • the AC value is exclusively used for ProSe communication, and is obviously independent of the AC value in cellular communication, but the above process can also be used for ProSe communication; the advantage of this arrangement is that it is advantageous for separately performing cellular communication and ProSe communication. control.
  • the AC value stored by the ProSe UE may be stored in a SIM or USIM card carried by the ProSe UE.
  • the SIM is Subscriber Identity
  • Module Customer Identification Module also known as user identification card, smart card; it is usually one of the necessary devices for communication based on wireless communication identification in wireless communication.
  • the USIM is an abbreviation of Universal Subscriber Identity Module.
  • the USIM card refers to a third generation mobile phone card, also known as a user global identification card, or a global user identity module (USIM), which is also called an upgraded SIM card.
  • the method further includes:
  • the ProSe UE When the ProSe UE is the UE that restricts access in the access control information, the ProSe UE is prohibited from initiating a request to access or access a neighboring service access competition resource within a specified time;
  • Determining whether the neighbor service access control information includes the access level restriction information and the access level restriction parameter used for the ProSe communication including:
  • the ProSe UE is the UE that restricts access in the neighboring access control information
  • the neighbor service access control information may include neighbor service access control information based on an Access Class Barring (ACB) mechanism, or may include an adjacent service based on an Extended Access Barring (EAB) mechanism. Access control information.
  • AB Access Class Barring
  • EAB Extended Access Barring
  • the neighbor service access control information used in the step S110 to the step S200 may be the neighbor service access control information based on the ACB mechanism, and used in combination with the configuration information in the ProSe UE to restrict the proximity service access of the partial UE access.
  • the neighboring service access control information based on the EAB mechanism may be used.
  • the discovery process and the communication process are generally included.
  • the ACB mechanism-based neighbor service access control information may be used in the communication process of the ProSe access, and the The neighbor service access control information based on the EAB mechanism is preferably Used in the discovery process of ProSe access.
  • a part of the user equipment forms the configuration information by receiving information sent by the base station, or may form the configuration information when the device is generated, or store the configuration information by using a SIM card or a USIM card; and the SIM Or the USIM usually determines the communication identifier, so the configuration information may be configuration information formed according to different communication identifiers.
  • the method further includes:
  • the neighbor service access control information is received from a system message or dedicated signaling sent by the base station.
  • the system message is received from a broadcast channel, and the system control message includes the access control information.
  • the access control information may also be obtained from dedicated information dedicated to transmitting the access control information. Both of these methods have the advantage of being simple to implement.
  • the base station may periodically broadcast the system message or the dedicated signaling, where the ProSe UE performing the foregoing method may periodically receive the neighbor service from the broadcast channel. Access control information and used to control access of the ProSe UE neighbor service during the period.
  • this embodiment provides a ProSe UE, where the ProSe UE includes:
  • the first determining unit 110 is configured to determine whether a timer for prohibiting access is running
  • the prohibiting unit 120 is configured to, when the timer is running, prohibit the ProSe UE from initiating a cell access request or accessing a neighboring service to access the contention resource;
  • the second determining unit 130 is configured to determine, when the timer is not running, whether the neighbor service access control information includes access level restriction information and an access level restriction parameter used for ProSe communication;
  • the enabling unit 140 is configured to allow the ProSe UE to initiate a cell access request or access a neighbor when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication.
  • the service accesses competitive resources.
  • the ProSe UE in this embodiment is a user equipment for a neighboring service, and is specifically a communication terminal such as a mobile phone or a tablet computer that can be used for a neighboring service.
  • the timer is a timer component having a timing function.
  • the first determining unit 110, the disabling unit 120, the second determining unit 130, and the allowing unit 140 may each include a structure having an information processing function, and may include, for example, a processor and a storage medium; the processor and the storage The media are connected by an internal communication interface such as a bus.
  • the executable medium may be stored on the storage medium; the processor may implement the first determining unit 110, the prohibiting unit 120, the second determining unit 130, and the allowing unit 140 by reading and running the executable code. The function.
  • any two of the first determining unit 110, the disabling unit 120, the second determining unit 130, and the allowing unit 140 may be integrated corresponding to the same processor, or respectively corresponding to different processors; when the first determining unit 110 When the prohibition unit 120, the second determining unit 130, and any two of the enabling units 140 are integrated to correspond to the same processor, the processor implements functions of different units by using time division multiplexing or concurrent threads.
  • the processor may include an electronic component having an information processing function such as an application processor AP, a digital signal processor DSP, a central processing unit CPU, a microprocessor MCU, or a programmable logic array.
  • an application processor AP a digital signal processor DSP
  • DSP digital signal processor
  • CPU central processing unit
  • MCU microprocessor MCU
  • programmable logic array programmable logic array
  • the definition of the access level restriction information and the access level restriction parameter for ProSe communication can be found in the method embodiment, and will not be further elaborated here.
  • the ProSe UE in this embodiment can be used to provide specific implementation hardware for the foregoing method embodiments, which has the advantages of simple structure and high intelligence, and can also control the UE accessing the cell or accessing the ProSe communication competition resources. purpose.
  • the access level restriction parameter for ProSe communication further includes: an access level restriction parameter for a special access level of ProSe communication; and an access level of the special access level for ProSe communication.
  • the restriction parameter includes the first type of the specified value for the special connection of ProSe communication. Incoming access level restriction parameters;
  • the second determining unit 130 is further configured to: determine, when the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, whether the AC value of the ProSe UE is Whether there is at least one access level restriction parameter for the first specified AC value and the special access level of the ProSe UE corresponding to the first specified AC value is the special type of the first type for ProSe communication Incoming access level restriction parameters;
  • the enabling unit 140 is further configured to: when the AC value of the ProSe UE has at least one of a first specified AC value and the ProSe UE first specified AC value corresponds to a special access level for ProSe communication
  • the entry level restriction parameter is the access class restriction parameter of the first type of special access level for ProSe communication
  • the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
  • the second determining unit 130 and the enabling unit 130 may determine whether to initiate a ProSe communication access request according to ac-BarringForSpecialAC in the neighbor service access control information. Access neighboring services to access competitive resources.
  • the first specified AC value may also be determined by the base station, and the bearer service access control information is sent to the ProSe UE.
  • the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication
  • the second determining unit 130 is further configured to: determine, when the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, whether the AC value of the ProSe UE is At least one of the first specified AC values;
  • the ProSe UE further includes:
  • a generating unit configured to: when the AC value of the ProSe UE does not have a first specified AC value, or an access level restriction parameter of a special access level for ProSe communication corresponding to the first specified AC value of the ProSe UE is not The first type of access for special access levels for ProSe communication Generate a random number when the level limits the parameter;
  • a comparing unit configured to compare the random number with an access level restriction factor for ProSe communication
  • the enabling unit 140 is further configured to allow the ProSe UE to initiate a cell access request or access a neighboring service access competition resource when the random number is less than the access level restriction factor.
  • the specific structure of the generating unit may also include various devices having information processing functions.
  • the comparison unit may include a comparator, a comparison circuit, or a processor having a comparison function.
  • the specific structure of the permitting unit 140 can be referred to the foregoing part, and will not be repeated here.
  • control unit that controls the ProSe access is further added by the further setting of the generating unit and the comparing unit, and has the advantages of simple implementation and high intelligence of the electronic device.
  • the forbidding unit 120 is further configured to prevent the ProSe UE from initiating a cell access request or accessing a neighbor service access when the random number is not less than the access level restriction factor for ProSe communication.
  • Competitive resources are further configured to prevent the ProSe UE from initiating a cell access request or accessing a neighbor service access when the random number is not less than the access level restriction factor for ProSe communication.
  • the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
  • the ProSe UE further includes:
  • the second determining unit 130 is configured to: when the random number is not less than the access level restriction factor for the ProSe communication, determine, according to the access level limit time parameter of the ProSe communication, that the ProSe UE is prohibited from initiating The time of prohibition of accessing a request or accessing a neighboring service to access competing resources;
  • the prohibiting unit 120 is further configured to prohibit the ProSe UE from initiating an access request or accessing a neighbor service access competition resource during the prohibition time.
  • the second determining unit 130 may further include a timer; the timer is used to perform the prohibition Time count.
  • the ProSe UEs have different priority levels; the first AC values of the ProSe UEs of different priority levels are at least partially different.
  • the comparing unit is further configured to determine a priority of the ProSe; and determine, according to the priority, an access level restriction factor for ProSe communication for comparison with the random number;
  • the priority of the ProSe UE of the i-th priority is lower than that of the i-th priority, and the access level restriction factor for the ProSe communication corresponding to the i-th priority of the ProSe UE is i an access level restriction factor for ProSe communication; the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication; An integer less than 2.
  • the AC value in the embodiment may be an AC value multiplexed with the cellular communication.
  • the AC value of the ProSe UE is the same as the AC value of the UE in the cellular communication.
  • the AC value in the embodiment may also be an AC value dedicated to the local ProSe communication, and the AC value of the ProSe UE at this time is an AC value dedicated to the ProSe communication.
  • the ProSe UE further includes:
  • a querying unit configured to query configuration information of the ProSe UE
  • the prohibiting unit 120 is further configured to: when the ProSe UE is the UE that restricts access in the neighbor service access control information, prohibit the ProSe UE from initiating a request for access or accessing a neighbor service access within a specified time.
  • the second determining unit 130 is further configured to: when the ProSe UE is the UE that restricts access in the neighbor service access control information, determine whether the neighbor service access control information includes access level restriction information and is used for Access level limit parameters for ProSe communication.
  • the ProSe UE further includes:
  • the receiving unit is configured to receive the neighbor service access control information from a system message or a dedicated signaling sent by the base station.
  • the receiving unit 110 may include a receiving interface, such as a receiving antenna.
  • the present embodiment provides a user equipment, which can be used to implement the technical solution described in the foregoing method embodiments, and can control the ProSe UE to access a cell or access a competitive resource, and can avoid ProSe under high interference or high load conditions.
  • the access of the UE causes a problem of poor communication quality of both cellular communication and ProSe communication.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used in at least one of the methods of the embodiments of the present invention; One or more of the methods shown in Figures 3, 5, and 6.
  • the computer storage medium in this embodiment may be a dynamic storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like.
  • the medium of the computer storage medium in the embodiment may be a non-transitory storage medium; conveniently storing the program code stably.
  • This example describes a procedure for a ProSe UE to access a cell using a cellular ACB mechanism AC value when initiating a contention resource for D2D communication and/or preparing for access to the network.
  • the method for initiating the access to the cell by the contending resource is the first resource allocation mode in the D2D communication; the mode of applying for the access network is the second resource allocation mode in the D2D communication.
  • the ProSe UE needs to access the network to enter the connected state.
  • the network needs to control the competition initiation and/or application for access preparation when the network is congested.
  • the ProSe UE performs the contention of the contention and/or the access situation using the AC value in the ACB mechanism set in the cellular network; while other ACB parameters related to the D2D communication access are passed by the eNB through the ProSe system information or dedicated Letter For delivery, the parameter information includes “ac-BarringInfo”, “ac-BarringForProSeComm”, “ac-BarringProSeFactor”, “ac-BarringProSeForSpecialAC”, and “ac-BarringProSeTime”; after obtaining these information parameters, the ProSe UE is D2D.
  • the ACB parameters of the ProSe are used for calculation and determination to determine whether to access the ProSe UE cell to access.
  • the AC value of the cellular ACB mechanism used by the ProSe UE in this example to initiate a contention for D2D communication and/or to apply for access to the network includes:
  • Step S101 It is judged whether T302 or Tbarring, etc. are running.
  • the T302 and the T303 and the like are all the access prohibition timers described in the foregoing embodiments.
  • the process proceeds to step S108; when the T302 or Tbarring is not operated, the process proceeds to step S102.
  • the operation of the Tbarring or T302, etc. indicates that the access prohibition timer is valid, and the time for prohibiting access has not ended. If the Tbarring or T302 is not running, the prohibition of the access timer is invalid, the time for prohibiting the access has ended, or the prohibition of the access timing is not initiated.
  • Step S102 determining whether ac-BarringInfo and ac-BarringForProSeComm are included in the access control information received from the base station; if yes, proceeding to step S103; if not, proceeding to step S104.
  • Step S103 determining whether the ProSe UE has one or more AC values of 11 to 15, and the ac-BarringForSpecialAC corresponding bit setting corresponding to the AC value of the ProSe UEs 11 to 15 is 0. If yes, the process proceeds to step S104. If no, the process proceeds to step S105.
  • Step S104 Grant access to the allocated content pool or cell of the competition.
  • Step S105 Take a random number between [0, 1].
  • Step S106 It is determined whether the random number is lower than the value of the access restriction factor ac-BarringFactor in the ac-BarringForProSeComm; if yes, the process proceeds to step S104, and if no, the process proceeds to step S107.
  • Step S107 prohibiting access to the allocated contention pool or cell.
  • ProSe UEs can be classified into two classes of high priority ProSe UEs and non-high priority ProSe UEs.
  • the high-priority ProSe UE has a higher access level than the non-high-priority ProSe UE; the ProSe UE set to the high priority needs to preferentially enjoy the rights of acquiring resources and sending data in an emergency situation.
  • the ProSe-like UE has its access level set to one of the special high-priority AC values, such as an AC value of 12.
  • the AC value with high priority is sent through the access control information, so that the ProSe UE has a greater probability of accessing the contention pool or cell by matching with its own AC value.
  • the AC value of the cellular ACB mechanism used by the ProSe UE in this example to initiate a contention for D2D communication and/or to apply for access to the network includes:
  • Step S101 It is judged whether T302 or Tbarring, etc. are running.
  • the T302 and the Tbarring and the like are all the access prohibition timers described in the foregoing embodiments.
  • the process proceeds to step S108; when the T302 or Tbarring is not operated, the process proceeds to step S102.
  • the operation of the Tbarring or T302, etc. indicates that the access prohibition timer is valid, and the time for prohibiting access has not ended. If the Tbarring or T302 is not running, the prohibition of the access timer is invalid, the time for prohibiting the access has ended, or the prohibition of the access timing is not initiated.
  • Step S102 determining whether ac-BarringInfo and ac-BarringForProSeComm are included in the access control information received from the base station; if yes, proceeding to step S103; if not, proceeding to step S104.
  • Step S103 ′ determining whether the ProSe UE has one or more AC values as the first specified AC value, and whether the ac-BarringForSpecialAC corresponding bit setting corresponding to the first specified AC value of the ProSe UE is 0, and if yes, proceeding to step S104. If no, the process proceeds to step S105A.
  • the first designated AC value includes one or more AC values added on the basis of the AC value provided by the cellular communication, specifically, an AC value of 16 or 17 or the like.
  • Step S104 Grant access to the allocated content pool or cell of the competition.
  • Step S105A determining whether the ProSe UE includes a high priority AC value; if yes, proceeding to step S105B; if not, proceeding to step S105C;
  • Step S105B determining a value of the first access restriction factor ac-BarringFactor1 corresponding to the high priority AC value;
  • Step S105C determining the value of the first access restriction factor ac-BarringFactor2 corresponding to the high priority AC value
  • Step S105 Take a random number between [0, 1].
  • Step S106 It is determined whether the random number is lower than the value of the access restriction factor ac-BarringFactor in the ac-BarringForProSeComm; if yes, the process proceeds to step S104, and if no, the process proceeds to step S107.
  • ac-BarringFactor when the Prose UE includes a high priority AC value, the ac-BarringFactor is the ac-BarringFactor1; when the Prose UE does not include a high priority AC value, the ac- BarringFactor is the ac-BarringFactor2.
  • Step S107 prohibiting access to the allocated contention pool or cell.
  • Example 3 When the ProSe UE needs to perform D2D discovery, the ProSe UE needs to acquire resources through contention. In the second resource allocation mode, in order to be able to apply for resources to the eNB for data transmission of D2D discovery, etc., the ProSe UE needs to access the network to enter the connected state. In the case of a relatively congested network, the network needs to control the initiation of competition and/or the preparation for access.
  • the ProSe UE performs the D2D discovery, and the configuration information is set based on the EAB mechanism, the ProSe UE with the AC value of 11 to 15 in the ProSe UE configured with the EAB will ignore any network broadcast. EAB information.
  • the ProSe UE will perform AC barring to perform access control on the allocated contention pool/cell. If the EAB information of the network broadcast does not prohibit this ProSe UE, the ProSe UE will perform AC barring; otherwise the ProSe UE is prohibited from accessing the allocated contention pool/cell. If multiple core networks share the same access network, the access network uses EAB separately for different core networks.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de contrôle d'accès d'un service basé sur la proximité, et un terminal. Le procédé consiste à : déterminer si un temporisateur d'accès interdit fonctionne ; si le temporisateur fonctionne, interdire à un UE ProSe d'initier une demande d'accès cellulaire ou d'accéder à des ressources de contention pour l'accès aux services basé sur la proximité ; et, si le temporisateur ne fonctionne pas, déterminer, d'après un paramètre de restriction de niveau d'accès pour une communication ProSe et des informations de restriction de niveau d'accès qui sont comprises dans des informations de commande d'accès aux services basé sur la proximité, s'il faut autoriser l'UE ProSe à initier la demande d'accès cellulaire ou accéder aux ressources de contention pour l'accès aux services basé sur la proximité. La présente invention concerne également un support de stockage informatique.
PCT/CN2015/076210 2014-12-30 2015-04-09 Procédé de contrôle d'accès de service basé sur la proximité, ue prose, et support de stockage Ceased WO2016107002A1 (fr)

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