WO2016165385A1 - Procédé de contrôle d'accès, nœud de communications et support d'informations pour ordinateur - Google Patents

Procédé de contrôle d'accès, nœud de communications et support d'informations pour ordinateur Download PDF

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Publication number
WO2016165385A1
WO2016165385A1 PCT/CN2015/098243 CN2015098243W WO2016165385A1 WO 2016165385 A1 WO2016165385 A1 WO 2016165385A1 CN 2015098243 W CN2015098243 W CN 2015098243W WO 2016165385 A1 WO2016165385 A1 WO 2016165385A1
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WIPO (PCT)
Prior art keywords
node
information
access
load level
indication information
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PCT/CN2015/098243
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English (en)
Chinese (zh)
Inventor
刘锟
戴博
夏树强
陈宪明
石靖
张雯
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中兴通讯股份有限公司
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Publication of WO2016165385A1 publication Critical patent/WO2016165385A1/fr

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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
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to an access control method, a communication node, and a computer storage medium.
  • Machine Type Communication (MTC) terminal also known as Machine to Machine (M2M) user communication equipment
  • MTC Machine to Machine
  • M2M Machine to Machine
  • C-IOT 3rd Generation Partnership Project
  • 3GPP 3rd Generation Partnership Project
  • NB-LTE Narrow Band - Long Term Evolution
  • GSM Global System for Mobile Communications
  • embodiments of the present invention are expected to provide an access control method, a communication node, and a computer storage medium to reduce access congestion caused by excessive access.
  • a first aspect of the embodiments of the present invention provides an access control method, where the method includes:
  • the first node sends the indication information to the second node by using the downlink channel
  • the indication information includes at least one of the following:
  • the load level information includes a current load level of the first node itself
  • Configuration information of K third nodes the K is an integer not less than 1;
  • the first node and the third node all belong to a first type of node, and the second node belongs to a second type of node.
  • the first node sends the indication information to the second node by using the downlink channel, including:
  • the indication information is carried in a system message and sent.
  • the configuration information of the K third nodes includes at least one of the following:
  • Type indication information of the second node that is prohibited by the K third nodes from being accessed
  • Type indication information of the second node supported by the K third nodes
  • the delay information includes at least one of the following:
  • the method further includes:
  • the type of the second node includes:
  • the device to the second node of the device D2D;
  • the working mode of the second node is one of:
  • the service type classification of the second node includes at least one of the following:
  • the method further includes:
  • the first node sends the indication information to the second node by using the downlink channel, and further includes:
  • the first node includes at least one of the following:
  • a macro base station a micro base station, a pico base station, a femto base station, a low power node, and a relay station;
  • the second node comprises a group or a communication terminal.
  • a second aspect of the embodiments of the present invention provides an access control method, where the method includes:
  • the second node receives the indication information sent by the first node, where the indication information includes at least one of the following: load level information, configuration information of the K third nodes, and indicating that the second node delays sending the random access message Delay information of the order; the load level information includes a current load level of the first node itself; the K is an integer not less than 1;
  • the second node belongs to the second type of node, and the first node and the third node belong to the first node.
  • One or more third nodes that allow access to the traffic type of the second node are selected.
  • the method further includes:
  • the third node that is available for access by the second node is multiple, the third node that is accessible to the second node is selected for access according to the access policy.
  • the third node that is available for access by the second node is multiple, the third node that is accessible to the second node is selected according to the access policy, including :
  • Access is performed in order from small to large according to the load level of the third node.
  • the second node determines whether to access the first node.
  • the second node receives the indication information sent by the first node, including:
  • the second node in the first state receives the indication letter sent by the first node interest
  • the first state includes:
  • the determining, according to the indication information, whether to access the first node or the third node includes:
  • a third aspect of the embodiment of the present invention provides a communication node, the first node of the communication node, and the first node includes:
  • a sending unit configured to send indication information to the second node by using a downlink channel
  • the indication information includes at least one of the following:
  • the load level information includes a current load level of the first node itself; the current load level is used to assist the second node to determine whether to access the first node;
  • the configuration information of the K third nodes is an integer not less than 1; the configuration information is used to assist the second node to determine whether to access the third node;
  • the first node and the third node belong to a first node; the second node belongs to a second type of node.
  • the sending unit is configured to carry the indication information in a system message and send the information.
  • the configuration information of the K third nodes includes at least one of the following:
  • Type indication information of the second node that is prohibited by the K third nodes from being accessed
  • Type indication information of the second node supported by the K third nodes
  • the delay information includes at least one of the following:
  • the first node further includes:
  • a first determining unit configured to determine information content of the indication information according to the current load of the first node itself
  • the sending unit is configured to send the indication information including the load level information and the configuration information to the second node when the current load is greater than a load threshold.
  • the sending unit is further configured to: when the current load is not greater than the load threshold, send the indication information including the load level information to the second node.
  • a fourth aspect of the embodiments of the present invention provides a communication node, where the communication node is a second node, and the second node includes:
  • a receiving unit configured to receive, by the second node, indication information sent by the first node, where the indication information includes at least one of: load level information, configuration information of the K third nodes, and a delay of the second node Sending delay information of the random access signaling; the load level information includes a current load level of the first node itself; and the K is an integer not less than 1;
  • a second determining unit configured to determine whether to access the first node according to the indication information Determining whether to access the first node or the third node;
  • the first node and the third node belong to a first node; the second node belongs to a second node.
  • the second determining unit is configured to determine, according to the load level information, whether a current load level of the first node is lower than a first specified load level; if the current load level of the first node is low At the first specified load level, it is determined to access the first node.
  • the second determining unit is further configured to determine, according to the load level information, whether a current load level of the first node is higher than a second specified load level; if the current load of the first node If the level is higher than the second specified load level, determining to abandon access to the first node; and selecting one or more of the K third nodes to be available according to the configuration information and the selection policy The two nodes access the third node for access.
  • the second determining unit is configured to select one or more third nodes that are closest to the geographic location of the second node;
  • One or more third nodes that allow access to the traffic type of the second node are selected.
  • the second node further includes:
  • the access unit is configured to: when the third node that is available for access by the second node is multiple, the second node accesses in sequence according to the following sequence:
  • Access is performed in order from small to large according to the load level of the third node.
  • the second determining unit is further configured to: when a current load level of the first node is higher than the first specified load level and lower than the second specified load level, The second node determines whether to access the first node.
  • the second determining unit is further configured to delay accessing the first node according to the delay indication information.
  • the receiving unit configured to receive, by the second node in the first state, the indication information sent by the first node, according to the foregoing solution;
  • the first state includes:
  • the embodiment of the invention further discloses a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute at least one of the foregoing access control methods.
  • the first node sends the indication information, so that the second type of node can control the access of the second type of node according to the indication information, and the implementation is simplified. Access control to avoid congestion caused by excessive access by the second type of nodes.
  • FIG. 1 is a schematic flowchart of a first access control method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a second access control method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a third access control method according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a fourth access control method according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a first node according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a second node according to an embodiment of the present invention.
  • this embodiment provides an access control method, where the method includes:
  • Step S100 The first node sends the indication information to the second node by using the downlink channel.
  • the indication information includes at least one of the following:
  • the load level information includes a current load level of the first node itself
  • Configuration information of K third nodes the K is an integer not less than 1;
  • first node and the third node belong to the first node
  • second node belongs to the second type node
  • the access control method described in this embodiment is implemented as a first node.
  • the first node may be one of a macrocell, a microcell, a picocell, a femtocell, a low power node (LPN), and a relay.
  • the femto base station may also be referred to as a home base station.
  • the method further includes acquiring the indication information.
  • the indication information may be formed autonomously by the first node, or may be received from another communication node, for example, the macro base station receives the indication information and the like from the mobility management entity MME.
  • the current load level is used to assist the second node to determine whether to access the first node; the configuration information is used to assist the second node to determine whether to access the third node.
  • the configuration information of the K third nodes may be used by the second node to determine whether there is a first type of node available for access in the third node.
  • the delay information is indication information indicating that the second type of node delays transmitting random access signaling. After receiving the delay information, the second node delays sending the random access signaling, so as to prevent the second type of node that is too current at the current time to send a random access signaling to the first node. Congestion caused by it.
  • the random access signaling is information for requesting random access sent by the second type of node to the first type of node.
  • the first node sends the indication information to the second node by using a downlink channel.
  • the second node includes a group or a communication terminal; the type of the second node may include at least one of the following:
  • H2H Human to Human
  • M2M Machine to Mechine
  • V2V vehicle to vehicle
  • the second node of Device to Device (D2D).
  • the type of the second node here may be a terminal type.
  • a representative representative of the second node of the H2H may include a mobile phone or the like.
  • the second node of the M2M is typically a node capable of communication between machines.
  • the second node of the vehicle to the vehicle includes an in-vehicle communication node.
  • the D2D node is a device-to-device communication node.
  • D2D communication means that the terminal can directly communicate without going through the base station, and each D2D communication link occupies the same resources as one cellular communication link, which can improve resource utilization and network capacity.
  • M2M is a research hotspot of the fifth mobile 5G communication, including not only direct communication between terminals, but also communication between various machines.
  • the indication information includes at least one of load level information and configuration information of K third nodes. If the first node described in this embodiment is executed as the node A, the K third nodes are the node B except the node A.
  • the load level information describes the current load level of the node A.
  • the load level information may be used to assist the second node to determine whether to access the node; and the configuration information is used by the second node to determine whether to access the node B.
  • the first node in this embodiment can control the access of the second node by using the indication information.
  • the first node may send the indication according to its own load condition Information, thereby avoiding the phenomenon of node access congestion caused by excessive second node access; and by transmitting the configuration information of the K third nodes, the second node can be conveniently selected according to the configuration information.
  • the other first nodes that are accessed, in this way, ensure the access of the second node, and at the same time achieve load balancing before the plurality of first nodes.
  • the sending, by the first node, the indication information to the second node by using the downlink channel includes: carrying the indication information in a system message and sending.
  • the indication information is sent in the system message, so that the second node receives the indication information when receiving the system message, so that the first node does not need to send through special information.
  • the number of information interactions between the first node and the second node is reduced, and the power consumption of the second node is saved.
  • the indication information may also be sent in a radio resource control RRC message.
  • the indication information can also be sent by dedicated signaling.
  • the load of the first node may include N load levels, and the load level information may be one of N load levels, characterizing the current load level of the first node.
  • the configuration information of the K third nodes includes at least one of the following:
  • the sector number may be used to identify a corresponding first node, where the configuration information includes a sector number of each of the K third nodes.
  • Type indication information of the second node that is prohibited by the K third nodes from being accessed
  • Type indication information of the second node supported by the K third nodes
  • the geographical location information includes geographic location information of each of the K third nodes, so that the second node can determine which first node is located in the vicinity of the first node.
  • the load level information is a load level of each of the K third nodes.
  • the delay information includes at least one of the following:
  • the delay enable information can be used to indicate whether the delay information is valid.
  • the delayed transmission enable information includes 1 bit.
  • the second type of node may determine the delay time according to the delayed transmission time indication information of the delay information. Or the time at which the random access signaling is sent. If the bit is 0, the delay information is invalid. Even if the delay information includes delayed transmission time indication information, the second node does not delay according to the delayed transmission time indication information.
  • the method of this embodiment further includes: configuring the delay information according to at least one of the following: a service type of the second type of node; a type of the second type of node; and a working mode of the second type of node.
  • the configuration of the delay information herein is a sub-step or a sub-step of forming the indication information.
  • the delay information in the embodiment will configure the service type of the second type of node, the type of the second type of node, and the working mode of the second type of node, and configure the delayed sending time indication information in the delay information.
  • the information duration of the delay enable information in the delay information may also be configured.
  • the first node can control parameters such as the time at which the second type node sends the random access signaling by sending the delay information.
  • the type of the second node may include D2D, H2H, V2V, M2M, and the like.
  • the second node has multiple working modes, such as coverage enhanced mode and non-coverage. Enhanced mode and regular mode.
  • the coverage enhancement mode is an operational mode capable of being connected to a cell employing coverage enhancement techniques.
  • the non-coverage enhancement mode is capable of connecting to a working mode that does not employ overlay enhancement techniques.
  • the normal mode is a working mode configured by a second type of node by default, and the regular mode may be one of the coverage mode or the non-coverage enhanced mode, but the default mode configured by default for the second type of node, The second node cannot know whether the coverage mode is the coverage mode or the non-coverage enhancement mode. Therefore, in the embodiment, the regular mode is used as one of the working modes of the second type of node.
  • the working mode of the second node has other ways of dividing.
  • the working mode indication information of the second node that is prohibited from accessing is used to indicate the prohibited access of the second node in which working modes.
  • the second node has multiple types of services, such as a voice type or a network data type. Some of the first nodes only support the access of the service type of the one or more types of services. Therefore, the configuration information in the embodiment further includes: the service type indication information that is prohibited from being accessed. If the second node terminal A receives the configuration information, it can determine which current service type is the first node that is not allowed to access.
  • the service type classification of the second node includes at least one of the following: classifying according to a data packet transmission rate; classifying according to a transmission delay of the data packet; classifying according to a packet transmission error rate; according to the data packet The packet length is classified; it is classified according to the transmission period of the data packet.
  • the type indication information of the supported second node is used to indicate to the second node which types of second nodes are allowed to access in the K third nodes.
  • the supported mode information of the second node is used to indicate which operating modes are supported by the second node.
  • the supported service type indication information is used to indicate which second node accesses are supported for processing.
  • the second node can determine which first nodes allow access by the first node according to the configuration information.
  • the method described in this embodiment includes:
  • Step S110 Determine information content of the indication information according to the current load of the first node itself.
  • Step S121 When the current load is greater than the load threshold, send the indication information including the configuration information and/or the delay information to the second node, including the load level information.
  • the current load condition of the first node characterized by the current load.
  • the current load can be represented by a current load value or a current load level. If the first node that sends the indication information is current, the load of the current node is relatively light, and the second node may be allowed to access. At this time, the first node may directly send its own load level information to the second type of point. Therefore, in the embodiment, the step S110 first compares the current load with the load threshold. If the current load is greater than the load threshold, it is determined that the indication information may only include the load level.
  • the first node may not be able to allow access by the second node, in order to ensure that the second node accesses the network and implements load balancing, Then, in the step S110, it is further determined that the indication information includes load level information and configuration information. Therefore, as shown in FIG. 2, the method further includes:
  • Step S122 When the current load is not greater than the load threshold, send the indication information including the load level information to the second node.
  • this embodiment provides an access control method, where the method includes:
  • Step S210 The second node receives the indication information sent by the first node, where the indication information includes at least one of the following: load level information, configuration information of the K third nodes, and indicating that the second node delays sending the random Delay information of the access signaling; the load level information includes a current load level of the first node itself, and may be used to assist the second node to determine whether to access the first node; the K is not less than 1 The integer information; the configuration information may be used to assist the second node to determine whether to access other first nodes;
  • Step S220 determining whether the accessing the first node determines whether to access the first node or the third node according to the indication information
  • the second node belongs to a second type of node, and the first node and the third node belong to a second node.
  • the access control method in this embodiment may be applied to the second node.
  • the second node may comprise one of the following types of nodes:
  • the second node receives the indication information from the first node, and determines, according to the indication information, whether to access the first node or the third node that sends the indication information according to the step S210.
  • the step S220 may include:
  • the first specified load level in the embodiment may be configured by the first node, or may be configured in the second node by default according to a communication standard. And if the first specified load level is configured by the first node, the second node further includes receiving the first specified load level from the first node.
  • the first specified load level is a value that represents a lighter load of the first node. Generally, if the current load of the first node is lower than the first specified load level, if the second node accesses the first node, the first node is not overloaded, and the second The node can also have a higher success rate to access the first node.
  • step S220 may further include:
  • the second specified load level may also be set by the first node, or may be set in the second node by default according to a communication standard. Generally, the second specified load level indicates that the load of the corresponding first node is heavy. If the second node is further accessed, the corresponding first node may be congested, which may result in poor communication quality or load imbalance. The problem.
  • the first specified load level is lower than the second specified load level, and if the load level is lower, indicating that the load amount is larger, the first A specified load level is higher than the second load level.
  • the second node when the second node determines that the current load of the first node is higher than the second specified load level, it selects from the K third nodes according to the configuration information. One or more nodes that are accessible to it access for service transmission.
  • the selecting one or more of the third nodes from the K third nodes to perform access according to the configuration information and the selection policy includes:
  • One or more third nodes that allow access by the type of the second node are selected; the type herein may refer to the terminal type of the second node.
  • the terminal type of the second node is A; the one or more third nodes that select the type access of the second node are selected, and one or more third nodes accessed by the astronomy terminal type A are selected.
  • the working mode of the two nodes is working mode B, where the selection allows one or more third nodes accessing the working mode of the second node to select one or more thirds that allow working mode B access. node.
  • One or more third nodes that allow access to the traffic type of the second node are selected. If the service type of the second node is the service type C, the selecting one or more third nodes that allow the service type of the second node to access includes: selecting one or more types that allow the service type C to access Three nodes.
  • the configuration information describes the information of the second node that is prohibited or allowed to access by the K third nodes, so the second node can easily select the second node that can be accessed according to the configuration information. And selecting, according to the selection policy, a third node that is most suitable for access by the second node.
  • the method further includes:
  • Step S230 When there are multiple third nodes that are available for access by the second node, select a third node that is accessible to the second node to access according to the access policy.
  • the access policy may be configured in the second node, that is, in the second node, according to a communication standard, or may be received by the second node from the first node, for example, the two nodes are Received by the first node
  • the specific step S230 may include:
  • Access is performed in order from small to large according to the load level of the third node.
  • the access to the next third node is naturally performed, and the accessing to the second node may be performed until at least one of the The third node; this ensures as much as possible that the second node can access the communication network where the first node is located.
  • the step S220 may further include:
  • the second node determines whether to access the first node.
  • the second node chooses to access the first node without causing congestion of the first node, but also to access the third node in order to prevent the current load level of the first node from being higher than the second specified load level.
  • the second node may determine whether to continue to access the first node according to the access policy, for example, randomly selecting a node that is accessible to the second node.
  • the decision policy may include a random threshold, and the second node may randomly generate a random number, compare the random number with the random threshold, and compare and then determine whether to access the first node according to the comparison result.
  • step S220 further includes:
  • the second node may also delay sending the random access signaling according to the delay indication information to delay access to the first node.
  • the step S210 in the embodiment may include: the second node in the first state receiving the indication information sent by the first node; wherein the first state includes: initial accessing the communication system State; transition from idle state to connected state.
  • the second node that is not in the first state may not perform the step of receiving the indication information for the purpose of saving power consumption.
  • the embodiment provides a communication node, where the communication node is a first node, and the first node includes:
  • a sending unit configured to send indication information to the second node by using a downlink channel
  • the indication information includes at least one of the following:
  • the load level information includes a current load level of the first node itself; the current load level may be used to assist the second node to determine whether to access the first node;
  • the configuration information of the K third nodes is an integer not less than 1; the configuration information may be used to assist the second node to determine whether to access the third node;
  • the first node and the third node all belong to a first type of node, and the second node belongs to a second type of node.
  • the communication node in this embodiment may be the first node, for example, a macro base station, a micro base station, a home base station, or a relay node.
  • the sending unit may include a wireless communication interface, such as an X2 interface of a macro base station, such as a WiFi antenna of a home base station.
  • a wireless communication interface such as an X2 interface of a macro base station, such as a WiFi antenna of a home base station.
  • the first node may further include an obtaining unit, where the obtaining unit may be configured to obtain the indication information.
  • the obtaining unit may include a processor or a processing circuit, and the obtaining unit may form the indication information by itself.
  • the obtaining unit may also include another communication interface connected to other network nodes, and may be used to receive the indication information from other network nodes.
  • the first node in the embodiment can control the second node to access itself or the third node by using the indication information to prevent congestion and load balancing.
  • the sending unit may be configured to carry the indication information in a system message and send.
  • the sending unit carries the indication information in a system message, so that the first node and the second node can be reduced.
  • the configuration information of the K third nodes includes at least one of the following:
  • Type indication information of the second node that is prohibited by the K third nodes from being accessed
  • Type indication information of the second node supported by the K third nodes
  • the delay information includes at least one of: delayed transmission enable information; delayed transmission time indication information.
  • the delay information is configured according to the service type of the second type of node and/or the type of the second type of node and/or the working mode of the second type of node.
  • the first node further includes:
  • the first determining unit 110 is configured to determine information content of the indication information according to the current load of the first node itself;
  • the sending unit 120 is configured to send, when the current load is greater than a load threshold, the indication that includes the configuration information and/or the delay information, including the load level information, to the second node. information.
  • the specific structure of the first determining unit 110 in this embodiment may include a processor or a processing circuit, etc., and may be configured to determine whether the first node determines whether the current load is sent only by the load level information or The configuration information and/or the delay information will also be transmitted at the same time as the load level information. In this way, the second node determines, according to the load level information, that the first node is not accessible, and whether the first configuration can be accessed according to the configuration information.
  • the class node or delay sends a random access instruction to the first node to delay access to the first node.
  • the processor can include processing structures such as an application processor, a central processing unit, a microprocessor, a digital signal processor, or a programmable array.
  • the processing circuit can include a dedicated integrated processing circuit.
  • the processor or processing circuitry may implement the functionality of the first determining unit 110 by execution of executable code.
  • the sending unit 120 is further configured to: when the current load is not greater than the load threshold, send the indication information including the load level information to the second node, where
  • the first node includes at least one of the following: a macro base station, a micro base station, a pico base station, a femto base station, a low power node, and a relay station.
  • the first node in this embodiment may be a hardware structure that implements the access control method in the first embodiment of the method, and has the characteristics of simple structure and easy control access.
  • the embodiment provides a communication node, where the communication node is a second node, and the second node includes:
  • the receiving unit 210 is configured to receive, by the second node, the indication information sent by the first node, where the indication information includes at least one of the following: load level information, configuration information of the K third nodes, and indicating the second node Delaying the transmission of the delay information of the random access signaling; the load level information includes the current load level of the first node itself.
  • the load level information herein may be used to assist the second node to determine whether to access the first node; the K is an integer not less than 1; the configuration information herein may be used to assist the second node to determine Whether to access other said first nodes;
  • the second determining unit 220 is configured to determine whether the accessing the first node determines whether to access the first node or the third node according to the indication information;
  • the first node and the third node all belong to the first node, and the second node belongs to a second type of node.
  • the second node may be a second node of the person to person H2H, a second node of the machine to machine M2M, a second node of the vehicle to the vehicle V2V, and one of the second nodes of the device to the device D2D.
  • the receiving unit may include various wireless communication interfaces, such as a WiFi antenna, such as a fourth generation 4G mobile communication antenna, a fifth generation 5G mobile communication antenna, and the like.
  • a WiFi antenna such as a fourth generation 4G mobile communication antenna, a fifth generation 5G mobile communication antenna, and the like.
  • the second determining unit 220 can include various types of processors or processing circuits.
  • processors or processing circuits.
  • the second determining unit 220 may determine whether to access the first node or the third node by executing a software program or program code.
  • the second determining unit 220 is configured to determine, according to the load level information, whether a current load level of the first node is lower than a first specified load level; if a current load level of the first node is lower than the The first specified load level determines to access the first node.
  • the second determining unit 220 in this embodiment may include a comparator or a comparison circuit or a processor having a comparison function. Comparing the current load level of the first node that sends the indication information included in the load level information with the first specified load level, to obtain a comparison result, thereby determining whether to access the first node, and having a simple structure And the realization of simple features.
  • the second determining unit 220 is further configured to determine, according to the load level information, whether a current load level of the first node is higher than a second specified load level; if the current load level of the first node is high Determining to abandon access to the first node at the second specified load level; selecting one or more of the K third nodes from the second node according to the configuration information and a selection policy Accessing the third node for access.
  • the second determining unit 220 in this embodiment may include selecting, from the K third nodes, the node that is accessible to the second node according to the configuration information, so that the second node can successfully access the network as much as possible.
  • the specific structure of the second determining unit 220 may include a processor or processing circuit with information processing, and the processor or processing circuit may refer to the detailed description of the corresponding position of the foregoing embodiment.
  • the second determining unit 220 is specifically configured to
  • One or more third nodes that allow access to the traffic type of the second node are selected.
  • the third node selected by the second determining unit 220 for access by the second node is a first node suitable for access, for example, a third node closest to the second node, so that the The interaction signal between the first node and the second node is strong enough to ensure continuity between the subsequent second node and the first node.
  • the second node further includes:
  • the access unit is configured to: when the third node that is available for access by the second node is multiple, the second node accesses in sequence according to the following sequence:
  • Access is performed in order from small to large according to the load level of the third node.
  • the access unit in this embodiment may include a communication interface, and the communication interface may access to the first node by performing signal interaction with the first node or detecting a signal sent by the first node.
  • the second determining unit 220 is further configured to: when the current load level of the first node is higher than the first specified load level and lower than the second specified load level, the second node determines whether Accessing the first node. For example, the second node may determine whether to access the first node according to a pre-stored decision policy.
  • the specific structure of the second determining unit 220 in this embodiment may include a comparator and a comparison
  • the path or the processor having the comparison function forms a comparison result by comparing the current load level of the first node transmitting the indication information with the first specified load and the second specified load level, respectively.
  • the second determining unit may further include a processor or processing circuit having an information processing function, if the comparison result is that when a current load level of the first node is higher than the first specified load level and lower than And determining, by the second specified load level, whether to access the first node that sends the indication information according to the decision policy.
  • the receiving unit 210 is configured to receive, by the second node in the first state, the indication information sent by the first node, where the first state includes: initial access to a communication system state; The idle state transitions to the connected state.
  • the second node When the second node is not in the first state, the second node will not receive the indication information or detect the indication information, so that the second node does not need to access the first node, Receiving or detecting the power consumption of the indication information is wasted, so that the standby duration of the second node can be extended.
  • the embodiment of the invention further discloses a computer storage medium, wherein the computer storage medium stores computer executable instructions, wherein the computer executable instructions are used to execute at least one of the foregoing access control methods, such as an executable image. 1. At least one of the methods shown in Figures 2, 3 and 4.
  • the computer storage medium may be various types of storage media such as an optical disk, a hard disk, or a magnetic disk. Alternatively, the computer storage medium may be a non-transitory storage medium.
  • the base station sends indication information to the terminal in the system message through the broadcast channel.
  • the base station here is the aforementioned first node.
  • the terminal here may be the aforementioned second node.
  • the indication information includes at least one of the following:
  • Load level information is a current load level indicating a base station that transmits the indication information
  • K is greater than or equal to 1) configuration information of base stations; where K base stations are other base stations other than the indication information, that is, the foregoing third node.
  • the load level includes 3 levels, high load, medium load, and low load.
  • the configuration information of the K base stations includes at least one of the following:
  • the sector number may include a number of a cell formed by the base station
  • Type indication information of the second node that the K base stations prohibit access
  • the service type indication information that the K base stations prohibit access is not limited
  • the terminal decodes the indication information sent by the base station, and if the load level is a high load, the terminal selects a type, an operation mode, and a service that can support the terminal according to the configuration information of the K (K is greater than or equal to 1) base stations obtained by the decoding.
  • K is greater than or equal to 1 base stations obtained by the decoding.
  • a type of base station serves as an alternative access base station; and from these candidate access base stations, the base station information of the base stations is selected to preferentially initiate an access procedure with the base station that is closest to itself.
  • the base station sends indication information to the terminal in the system message through the broadcast channel.
  • the base station here is the aforementioned first node.
  • the terminal here may be the aforementioned second node.
  • the terminal receives the indication information sent by the base station from a downlink signal (eg, a broadcast channel).
  • a downlink signal eg, a broadcast channel
  • the indication information includes load level information, and may also include configuration information of K base stations.
  • the load level includes 3 levels, high load, medium load, and low load.
  • the configuration information of the K base stations includes at least one of the following:
  • the sector number may include a number of a cell formed by the base station
  • Type indication information of the second node that the K base stations prohibit access
  • the service type indication information that the K base stations prohibit access is not limited
  • the terminal After receiving the indication information, the terminal first determines, according to the load level information, whether the load level of the base station that sends the indication information is a high load level, and if it is a high load level, selects from other K base stations according to the configuration information. The base station is connected. If the load level of the base station transmitting the indication information is a low load level, it is determined to continue to access the base station that transmits the indication information. If the load level of the base station that sends the indication information is the medium load level, the terminal determines whether to continue to access the base station that sends the indication information.
  • the terminal When selecting a base station for terminal access from K other base stations, the terminal needs to select a base station supporting a working mode, a service type, and a node type of the terminal, and may also select a closer to the terminal according to the geographical location information.
  • the base station is connected.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the various components shown or discussed may be indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise. Form.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the above integration
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage device includes the following steps: the foregoing storage medium includes: a mobile storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • ROM read-only memory
  • RAM random access memory
  • magnetic disk or an optical disk.
  • optical disk A medium that can store program code.

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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

L'invention concerne un procédé de contrôle d'accès et un nœud de communications. Selon ledit procédé, un premier nœud envoie des informations d'indication à un deuxième nœud par l'intermédiaire d'un canal de liaison descendante. Ces informations d'indication incluent au moins une des informations suivantes : des informations de niveau de charge qui comportent le niveau de charge actuel du premier nœud ; des informations de configuration d'un nombre K de troisième nœuds, K étant un nombre entier qui n'est pas inférieur à 1 ; et des informations de retard donnant l'ordre au deuxième nœud de retarder l'envoi d'un signal d'accès aléatoire. Le premier et le troisième nœud sont tous deux des nœuds d'un premier type, et le deuxième nœud est un nœud d'un second type. L'invention a également trait à un support d'informations pour ordinateur.
PCT/CN2015/098243 2015-09-18 2015-12-22 Procédé de contrôle d'accès, nœud de communications et support d'informations pour ordinateur WO2016165385A1 (fr)

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