WO2016165383A1 - Procédé de contrôle d'accès, nœud de communication et support de stockage informatique - Google Patents

Procédé de contrôle d'accès, nœud de communication et support de stockage informatique Download PDF

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Publication number
WO2016165383A1
WO2016165383A1 PCT/CN2015/098199 CN2015098199W WO2016165383A1 WO 2016165383 A1 WO2016165383 A1 WO 2016165383A1 CN 2015098199 W CN2015098199 W CN 2015098199W WO 2016165383 A1 WO2016165383 A1 WO 2016165383A1
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Prior art keywords
node
prach resource
type
indication information
information
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PCT/CN2015/098199
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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 WO2016165383A1 publication Critical patent/WO2016165383A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • 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 the field of wireless communications, and in particular, to an access control method, a communication node, and a computer storage medium.
  • MTC UE Machine Type Communication
  • MTC UE Machine to Machine
  • M2M Machine to Machine
  • GSM Global System of Mobile communication
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution/LTE Evolution
  • M2M multi-class data services based on LTE/LTE-A will also be more attractive. Only when the cost of the LTE-M2M device can be lower than the MTC terminal of the GSM system can the M2M service be truly transferred from the GSM to the LTE system.
  • embodiments of the present invention are expected to provide an access control method, a communication node, and a computer storage medium, which can at least partially solve the problem of access congestion.
  • a first aspect of the embodiments of the present invention provides an access control method, where the method includes:
  • the first type of node sends the indication information by using the downlink channel, where the indication information includes at least configuration information of the first physical random access channel PRACH resource.
  • the indication information is carried in one of the following messages:
  • the first PRACH resource is different from the second PRACH resource of the first type of node
  • the second PRACH resource is a PRACH resource configured by the first type of node before the first PRACH resource is configured.
  • the first type of node sends the indication information by using the downlink channel, including:
  • the first type of node sends the indication information according to a first period
  • the method further includes:
  • the first period is smaller than the second period.
  • the first PRACH resource and the second PRACH resource each include at least one of the following:
  • a random access sequence transmitted on the PRACH channel is A random access sequence transmitted on the PRACH channel.
  • the configuration information of the first PRACH resource includes at least one of the following One:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information of the first PRACH resource is not limited
  • the disabling time information included in the disabling time information of the first PRACH resource is equal to the update time of the configuration information of the second PRACH resource of the first type node;
  • the second PRACH resource is a PRACH resource configured by the first type of node before the first PRACH resource is configured.
  • the first type of node sends the indication information by using the downlink channel, including:
  • the predetermined triggering condition includes that the load level of the first type of node is a specified load level.
  • a second aspect of the embodiments of the present invention provides an access control method, where the method includes:
  • the second type of node detects the indication information sent by the first type of node, where the indication information includes at least configuration information of the first physical random access channel PRACH resource;
  • the second type of node detects the indication information sent by the first type of node, including:
  • the indication information is detected from at least one of a random access response message, a downlink control message, and a system message.
  • the configuration information of the first PRACH resource includes at least one of the following:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information of the first PRACH resource is not limited
  • the disabling time information included in the disabling time information of the first PRACH resource is equal to the update time of the configuration information of the second PRACH resource of the first type node;
  • the second PRACH resource is a PRACH resource configured by the first type of node before the first PRACH resource is configured.
  • the second type of node detects the indication information sent by the first type of node, including:
  • the method further includes:
  • the first period is smaller than the second period.
  • the second type of node detects the indication information sent by the first type of node, including:
  • the second type of node detects the indication information sent by the first type of node, including:
  • a third aspect of the embodiments of the present invention provides a communication node, where the communication node is a first type of node, and the first type of node includes:
  • the sending unit is configured to send the indication information by using the downlink channel, where the indication information includes at least the configuration information of the configuration information of the first physical random access channel PRACH resource, and is used to control the second type of node to access the first Class node.
  • the first PRACH resource is different from the second PRACH resource of the first type of node
  • the second PRACH resource is a PRACH resource configured by the first type of node before the first PRACH resource is configured.
  • the sending unit is configured to send, by the first type of node, the indication information according to the first period, according to the foregoing solution;
  • the sending unit is further configured to send, by the first type of node, configuration information of the second PRACH resource according to a second period;
  • the first period is smaller than the second period.
  • the sending unit is configured to send the indication information when a predetermined trigger condition is met
  • the predetermined triggering condition includes that the load level of the first type of node is a specified load level.
  • a fourth aspect of the embodiments of the present invention provides a communication node, where the communication node is a second type of node, and the second type of node includes:
  • the detecting unit is configured to: when the first condition is met, detect the indication information sent by the first type of node; where the indication information includes less configuration information of the first physical random access channel PRACH resource;
  • An access unit configured to pass the first PRACH resource according to the indication information
  • the first type of node sends random access signaling.
  • the disabling time information included in the disabling time information of the first PRACH resource is equal to the update time of the configuration information of the second PRACH resource of the first type of node, according to the foregoing solution;
  • the second PRACH resource is a PRACH resource configured by the first type of node before the first PRACH resource is configured.
  • the detecting unit is configured to receive the indication information according to the first period, according to the foregoing solution;
  • the detecting unit is further configured to receive configuration information of the second PRACH resource according to the second period;
  • the first period is smaller than the second period.
  • the detecting unit is configured to detect the indication information when the random access response information sent to the second type of node is not detected in the received random access response message.
  • the detecting unit is configured to detect the indication information sent by the first type of node when determining that the load level of the first type of node is a specified load level.
  • the embodiment of the present invention further provides a computer storage medium, where 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 type of node sends the indication information including the configuration information of the first PRACH resource, so that the second type of node can be in the first type of node.
  • the first type of node is accessed through the first PRACH resource, so as to avoid excessive second type of node. Access congestion caused by access of the second PRACH resource, and the access success rate of the second type of node is improved.
  • 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 structural diagram of a second type of node according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart diagram of a third access control method according to an embodiment of the present invention.
  • this embodiment provides an access control method, where the method includes:
  • Step S100 The first type of node sends the indication information by using the downlink channel, where the indication information includes at least configuration information of the first physical random access channel PRACH resource.
  • the indication information may be used to control a second type of node to access the first type of node.
  • the access control method in the embodiment of the present invention may be applied to a first type of node, where the first type of node may include a macro base station, a micro base station, a picocell, and a femto base station.
  • Femtocell is also called a communication node such as a home base station, a low power node (LPN), and a relay station (Relay).
  • LPN low power node
  • Relay relay station
  • the first PRACH resource is a newly added PRACH resource after the first type of node is configured with the second PRACH resource.
  • the method may further include: applying, by the upper layer network node, the PRACH resource, and if the application is successful, receiving the PRACH resource allocated by the upper layer network node, where the upper layer PRACH resource is the The first PRACH resource.
  • the upper layer network node herein may include a network node of a communication system such as a mobility management entity MME.
  • the first PRACH resource here may also be the spare PRACH resource of the first type of node.
  • the source so before the step, may further include activating the spare PRACH resource, and the activated spare PRACH resource will be the first PRACH resource.
  • the first PRACH resource there are many ways to obtain the first PRACH resource, and are not limited to the above methods.
  • the first type of node may send the indication information to notify the second type of node that the first PRACH resource is configured, and the first PRACH resource may be determined according to the configuration information, and the first PRACH resource is sent by using the first PRACH resource. Initiating the signaling, so that the second type of node sends the random access signaling to the first type of node through the first PRACH resource, and avoids the congestion caused by the second type of node accessing the previously configured second PRACH resource. Phenomenon and high access failure rate.
  • the indication information is carried in one of the following messages:
  • the random access response message is a message formed by the first type of node in response to the second type of node random access request, and usually one random access response message may carry multiple random access response information of the second type of node. .
  • the downlink control information may include any message sent through a physical downlink control channel.
  • the system message may include various system messages that are transmitted by broadcast, such that they may be received by a second type of node that is within the coverage of the first type of node.
  • the instruction information is carried in the foregoing message, and the special signaling is used to send the indication information, which can reduce the number of interactions between the first type node and the second type node, and reduce the load of the first type node. , extend the standby time of the second type of node.
  • the first type of node may select a random access response message, a downlink control message, or a system message to send the indication information according to its own needs.
  • the first PRACH resource and the second PRACH resource may both include the time occupied by the PRACH channel.
  • the first PRACH resource is different from the configured PRACH resource of the first type of node. The difference may be that the first PRACH resource is different from the time-frequency resource of the configured PRACH resource and/or the random access sequence is different.
  • the configuration information of the first PRACH resource includes at least one of the following:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information of the first PRACH resource is not limited
  • the time-frequency resource configuration information may be used to represent information such as a resource location of the first PRACH resource.
  • the carrier used by the first PRACH resource indicated by the carrier information is the carrier used by the first PRACH resource indicated by the carrier information.
  • the index information is used to indicate the random access sequence.
  • the duration may be used to indicate the length of time that the first PRACH resource will be used this time.
  • the enable time information is used to indicate a start time of the current use of the first PRACH resource.
  • the disabling time information is used for the disabling time of the use of the first PRACH resource, and the disposition time is also referred to as a failure time; after the failure time or the disabling time is reached, the A PRACH resource can no longer be used by the second type of node to send the random access signaling to the first type of node.
  • the second type of node after receiving the indication information, the second type of node will know various information of the first PRACH resource, and can access the first type of node through the first PRACH resource, thereby improving the second type of node.
  • the success rate of accessing the first type of node after receiving the indication information, the second type of node will know various information of the first PRACH resource, and can access the first type of node through the first PRACH resource, thereby improving the second type of node. The success rate of accessing the first type of node.
  • the inter-information includes a de-energization time equal to an update timing of the configuration information of the second PRACH resource.
  • the update time of the configuration information of the second PRACH resource may be an update time of the configuration information after the reconfiguration of the second PRACH resource.
  • the time of the update may be the time at which the first type of node sends the configuration information of the second PRACH resource to the second type of node.
  • the step S100 may include: sending the indication information when a predetermined trigger condition is met; wherein the predetermined trigger condition comprises a load level of the first type of node being a specified load level.
  • the access control method in this embodiment may further include: determining whether the predetermined trigger condition is met, and performing step S100 above when the predetermined trigger condition is met.
  • the satisfying preset trigger condition includes: the load level of the first type of node is a specified load level.
  • the load level here is used to characterize the load of the first type of node, and typically the specified load level is a level indicating that the load of the first type of node is large.
  • the node when the first type of node in the embodiment detects that the load level of the first type is the specified load level, the node sends the indication information to the second type of node, and notifies the second type of node to access the first PRACH resource.
  • the first type of node is described, so that the congestion of the second type of node through the previously configured PRACH resource to the first type of node can be avoided, and the second type of node is improved by the second PRACH resource. The success rate of entering the first type of node.
  • the load of the first type of node may be divided into N levels.
  • the N is an integer not less than 2, and the load level of the first node is one of the N levels.
  • the specified load level is also one of the N load levels.
  • the load level may be proportional to the load of the first type of node, or may be inversely proportional to the load of the first type of node.
  • the specified load level is a load level indicating that the load of the first type of node is large, and may be set in advance for the first type of node, or may be characterized by a communication standard. Load level.
  • the indication information may also be periodically sent, for example, the indication letter.
  • the information is transmitted according to the first period.
  • the sending period of the configuration information of the first PRACH resource is the first period.
  • the method may further include transmitting the information including the second PRACH resource according to a second period.
  • the first period is smaller than the second period.
  • the first period is smaller than the second period.
  • the frequency of sending the configuration information of the first PRACH resource is greater than the frequency of sending the second PRACH resource.
  • this embodiment provides an access control method, where the method includes:
  • Step S210 When the first condition is met, the second type of node detects the indication information sent by the first type of node, where the indication information includes less configuration information of the first physical random access channel PRACH resource.
  • Step S220 Send random access signaling to the first type of node by using the first PRACH resource according to the indication information.
  • the access control method in this embodiment may be applied to a second type of node, which may be a second type node of a person to person H2H, a second type node of a machine to machine M2M, and a vehicle to vehicle V2V.
  • the second type of node or device to the second type of node of device D2D may be a typical representative of the second type of nodes of the H2H may include a mobile phone or the like.
  • the second type of nodes of the M2M are typically nodes capable of communication between machines.
  • the second type of vehicle-to-vehicle node 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 second type of node is configured to receive the indication information, and obtain configuration information of the first PRACH resource of the first type of node by using the indication information, so as to use the first PRACH resource to
  • the first type of node sends the random access signaling to avoid the congestion caused by the random access signaling sent by the second PRACH resource configured before the first type of node, and the probability of the access failure being reduced.
  • the random access signaling is a signaling sent by the second type of node to the first type of node requesting access to the first type of node.
  • the step S210 may include:
  • the indication information is detected from at least one of a random access response message, a downlink control message, and a system message.
  • the indication information is sent in the random access response message, the downlink control message, or the system message, so that the second type of node receives the indication information when receiving the message, so that the indication information is The number of interactions with the first type of node can be reduced, and the standby time of the second type of node is extended.
  • the configuration information of the second PRACH resource includes at least one of the following:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information of the first PRACH resource is not limited
  • the same disabling time information of the first PRACH resource includes a disabling time equal to an update time of the configuration information of the second PRACH resource of the first type of node.
  • the second PRACH resource is configured to configure the first PRACH resource for the first type of node. Previously, the configured PRACH resources.
  • the step S210 includes:
  • the second type of node does not detect the random access response information sent to itself in the random access response message, indicating that the random access request of the second type of node fails, and when this condition is met, The access of the second type of node is implemented.
  • the second type of node will detect whether the first type of node sends the indication information by detecting the indication information, so as to be The first PRACH resource of the class node sends random access signaling to the first type of node.
  • the step S210 may further include: receiving the indication information sent by the first type of node when determining that the load level of the first type of node is a specified load level.
  • the second type of node may further receive, from the first type of node, information including a load level of the first type of node, and if it is determined that the load level of the first type of node is a specified load level, the current The load of the first type of node is large, and the access congestion phenomenon may be caused by the access of the PRACH resource that is configured by the first type of node.
  • the second type of node will detect the indication information, so that if the new PRACH resource is detected, The indication information of the configuration information is naturally accessed by using the first PRACH resource. If the second type of node is not detected, the access to the first type of node may be suspended, and congestion may be avoided on the other hand. Provide access success rate.
  • the second type of node may receive the indication information periodically, for example, receiving the indication information according to the first period, and receiving configuration information of the second PRACH resource according to the second period. .
  • the first period is less than the second period.
  • the information content of the configuration information of the second PRACH resource may be related to the information of the first PRACH resource. The content is similar, and the object described by the configuration information is the second PRACH resource, so it is not repeated here.
  • the embodiment provides a communication node, where the communication node is a first type of node; the first type of node includes:
  • a sending unit configured to send, by the first type of node, the indication information by using the downlink channel, where the indication information includes at least the configuration information of the configuration information of the first physical random access channel PRACH resource, and is used to control the access of the second type of node The first type of node.
  • the first type of nodes may include macrocells, microcells, picocells, femtocells, home base stations, low power nodes (LPNs), and relays (Relays). node.
  • the transmitting unit in this embodiment may include various types of sending interfaces, and the sending interface may be an X2 interface of a macro base station.
  • the sending interface described in this embodiment is a variety of wireless interfaces. Such as the WiFi interface of the pico base station.
  • the first type of node described in this embodiment may further include an acquiring unit or the like, and the obtaining unit may include a processor or a processing circuit, and the processor may include an application processor, a central processing unit, a microprocessor, and digital signal processing. Or programmable arrays, etc.
  • the processing circuit can include an application specific integrated circuit or the like.
  • the processor or the processing circuit forms the indication information.
  • the obtaining unit may also include a communication interface, which can be used to receive the indication information from other communication nodes.
  • the indication information is carried in one of the following messages: a random access response message; a downlink control message; a system message.
  • the first PRACH resource is different from the second PRACH resource of the first type of node.
  • the second PRACH resource in the embodiment of the present invention is a PRACH resource that has been configured before the first PRACH resource or a PRACH resource that is already in use before the first PRACH resource.
  • the first PRACH resource and the second PRACH resource may each include at least one of the following One: time-frequency resources occupied by the PRACH channel; random access sequences transmitted on the PRACH channel.
  • the difference between the configured PRACH resource and the first PRACH resource may be that the time-frequency resources of the two PRACH resources are different, or the random access sequence is different, or the time-frequency resource and the random access sequence are different.
  • the configuration information of the first PRACH resource includes at least one of the following:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information of the first PRACH resource is not limited
  • the end time carried in the disabling time information of the first PRACH resource overlaps with the configuration information update time of the next PRACH resource.
  • the sending unit is configured to send the indication information when a predetermined trigger condition is met;
  • the predetermined triggering condition includes that the load level of the first type of node is a specified load level.
  • the first type of node in this embodiment may further include a determining unit, where the determining unit may be configured to determine whether a predetermined trigger condition is met, and the sending unit is configured to: when the predetermined trigger condition is met, send the Instructions.
  • the predetermined triggering condition in the embodiment includes: the load level of the first type of node is a specified load level, and the determining unit is configured to determine whether the load level of the first type of node is the specified load level.
  • the physical structure of the determining unit may include a processor or processing circuit, and a detailed description of the processor or processing circuit may be found in the foregoing section.
  • the first type of node in the embodiment may send the indication information to notify the second type of node to access the first PRACH resource of the first type node, and avoid the excessive second category.
  • the embodiment provides a communication node, where the communication node is a second type of node, and the second type of node includes:
  • the detecting unit 210 is configured to: when the first condition is met, the second type of node detects the indication information sent by the first type of node; wherein the indication information includes less configuration information of the first physical random access channel PRACH resource.
  • the access unit 220 is configured to send random access signaling to the first type of node by using the first PRACH resource according to the indication information.
  • the second type of node in this embodiment may be various communication terminals, such as an M2M terminal, a D2D terminal, or a V2V terminal.
  • the specific structure of the detecting unit 210 may include a communication interface and a decoder, etc.
  • the communication interface may receive a signal sent by a first type of node; the decoder may be used for decoding, by coherent demodulation or non-coherent demodulation, etc.
  • the decoding process detects the indication information.
  • the access unit 220 can include a communication interface or the like, and can be used for information interaction with the first type of node, and can be connected to the first type of node for information transmission and reception.
  • the second type of node in the embodiment by detecting the indication information, accesses the first type of node through the first PRACH resource of the first type node, and has the characteristics of high access success rate, simple implementation, and simple structure.
  • the hardware of the access control method described in Embodiment 2 of the method may be implemented.
  • the detecting unit 210 is configured to detect the indication information from at least one of a random access response message, a downlink control message, and a system message.
  • the detecting unit 210 detects the indication information from at least one of a random access response message, a downlink control message, or a system message, so that the second type of node and the first type of node are The number of times the control plane interacts is small, and the second type of nodes need to detect the cancellation.
  • the number of interest points is small, which not only can reduce the load of the first type of nodes, but also can reduce the power consumption of the second type of nodes and prolong the standby time of the second type of nodes.
  • the configuration information of the newly added physical random access channel PRACH resource includes at least one of the following:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information of the first PRACH resource is not limited
  • the disabling time of the disabling time information of the first PRACH resource is equal to the update time of the configuration information of the second PRACH resource of the first type of node.
  • the detecting unit 210 detects the indication information in a necessary scenario; the scenario in which the detecting unit 210 performs detection may be as follows:
  • the detecting unit 210 is configured to detect the indication information when the random access response information sent to the second type of node is not detected in the received random access response message.
  • the detecting unit 210 is configured to detect the indication information sent by the first type of node when determining that the load level of the first type of node is a specified load level.
  • the scenario in which the detecting unit 210 detects the indication information is not limited to the foregoing two types, and the detecting unit 210 may arbitrarily determine that the probability of successful access of the PRACH resource configured through the first type node is low. And detecting the indication information, and attempting to access by using the first PRACH resource.
  • the detecting unit 210 may also periodically receive the indication information, for example, receiving the indication information according to a first period, and receiving configuration information of the second PRACH resource according to a second period.
  • the first period is less than the second period.
  • the configuration of the first PRACH resource is received more frequently, and the first PRACH resource can be better utilized to solve the congestion problem caused by the shortage of the second PRACH resource.
  • the first type of node sends the indication information to the second type of node by using the downlink channel, where the second indication information includes at least one of the following:
  • the first PRACH resource configuration information The first PRACH resource configuration information.
  • the indication information may be sent in a random access response message.
  • the configuration information of the first PRACH resource includes at least one of the following:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information included in the disabling time information of the first PRACH resource is: an update time of the configuration information of the second PRACH resource;
  • the second type of node sends a random access sequence on the first PRACH resource according to the second indication information.
  • the terminal When the terminal (ie, the second type of node) does not receive the random access response information in the random access response message, the terminal detects the indication information, and if the random access response message includes the indication direction information, According to the configuration information of the first PRACH resource in the indication information Resend the random access request and request random access.
  • the terminal may have the first PRACH resource request access when the random access request is not received, which improves the possibility of successful terminal access, and avoids the PRACH resource that has been configured before the first type of node.
  • 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 type of node.
  • the terminal here may be the aforementioned second type of node.
  • the terminal receives and detects the indication information sent by the base station from the downlink information (for example, the broadcast channel); of course, the terminal may also detect the indication information from the downlink random access channel or the system message or the downlink control message.
  • the downlink information for example, the broadcast channel
  • the terminal may also detect the indication information from the downlink random access channel or the system message or the downlink control message.
  • the first PRACH resource configuration information The first PRACH resource configuration information.
  • the indication information may be sent in a random access response message.
  • the configuration information of the first PRACH resource includes at least one of the following:
  • Time-frequency resource configuration information of the first PRACH resource
  • the disabling time information of the first PRACH resource is: an update moment of the second PRACH resource configuration information
  • the second type of node sends a random access sequence on the first PRACH resource according to the second indication information.
  • the terminal When the terminal does not receive the random access response information sent by the base station to itself, or determines that the load level of the base station is too high, the terminal starts detecting the indication information, and if the indication information is detected, extracts the indication information.
  • the configuration information of a PRACH resource is re-accessed to the base station by using the first PRACH resource request based on the configuration information.
  • the methods provided in this example include:
  • Step S100 The first type of node sends the indication information by using the downlink channel.
  • Step S210 The second type of node detects the indication information sent by the first type of node when the first condition is met; the indication information includes configuration information of the first PRACH resource.
  • Step S220 The second type of node sends random access signaling to the first type of node by using the first PRACH resource according to the indication information.
  • the condition of the step is that the second type of node detects the indication information sent by the first type of node, and if the indication information is not detected, continues to detect or wait for a specified period of time to continue detecting or utilizing the configured PRACH resource. Continue to request access.
  • This example describes the access control method from the two sides of the first type node and the second type node.
  • the second type of node needs to access the first type of node, but there may be too many current first type nodes.
  • the second type of node requests access.
  • the first type of node adds the first PRACH resource to the configured second PRACH resource, and the configuration information of the first PRACH resource is unicast or broadcasted in the indication information in step S100.
  • the second type of node will decode the indication information in step S220, and use the first PRACH resource according to the configuration information of the first PRACH resource in the indication information.
  • the first type of node sends random access signaling.
  • the first type of node uses the indication information to achieve control of access to the second type of node.
  • An embodiment 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 the foregoing access control party. At least one of the methods; running the code in the computer storage medium of the embodiment, at least one of the methods shown in FIG. 1, FIG. 2 and FIG.
  • the computer storage medium in this embodiment may be any storage medium such as a hard disk, an optical disk, or a magnetic disk, and may be a non-transitory storage medium.
  • 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 components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • 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 medium includes: a mobile storage device, a read-only memory (ROM), a random access memory (RAM), and a RAM (Random Access Memory).
  • ROM read-only memory
  • RAM random access memory
  • RAM Random Access Memory

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  • Engineering & Computer Science (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 communication, ledit procédé comprenant les étapes suivantes : un nœud du premier type envoie des informations d'indication au moyen d'un canal en liaison descendante ; lesdites informations d'indication comprennent au moins des informations de configuration pour une première ressource de canal d'accès aléatoire physique (PRACH). L'invention concerne également un support de stockage informatique.
PCT/CN2015/098199 2015-09-18 2015-12-22 Procédé de contrôle d'accès, nœud de communication et support de stockage informatique WO2016165383A1 (fr)

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