WO2016165387A1 - Procédé de commande de programmation, nœud de communication, et support de stockage informatique - Google Patents

Procédé de commande de programmation, nœud de communication, et support de stockage informatique Download PDF

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Publication number
WO2016165387A1
WO2016165387A1 PCT/CN2015/098265 CN2015098265W WO2016165387A1 WO 2016165387 A1 WO2016165387 A1 WO 2016165387A1 CN 2015098265 W CN2015098265 W CN 2015098265W WO 2016165387 A1 WO2016165387 A1 WO 2016165387A1
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WIPO (PCT)
Prior art keywords
information
node
type
scheduling
sending
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PCT/CN2015/098265
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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 WO2016165387A1 publication Critical patent/WO2016165387A1/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
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/04—Scheduled or contention-free access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a scheduling control method, a communication node, and a computer storage medium.
  • Machine Type Communication (MTC) user equipment also known as Machine to Machine (M2M) user communication equipment
  • MTC Machine Type Communication
  • M2M Machine to Machine
  • C-IOT cellular-level Internet of Things
  • 3GPP 3rd Generation Partnership Project
  • NB-LTE Narrow Band - Long Term Evolution
  • GSM Global System for Mobile Communications
  • embodiments of the present invention are directed to providing a scheduling control method, a communication node, and a computer storage medium capable of at least partially solving the problem of congestion congestion.
  • a first aspect of the embodiments of the present invention provides a scheduling control method, where the method includes:
  • the first type of node sends the indication information to the second type of node through the downlink channel;
  • the indication information includes configuration information of a scheduling request signaling SR resource of a second type of node.
  • the SR resource is divided into one or more SR sets according to at least one of the following divisions:
  • the SR resources configured by the second type of nodes belonging to the same SR set are different;
  • the SR resources belonging to the same SR set can be randomly selected by the second type of nodes.
  • 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 scheduling priority is a priority of the response of the first type of node to the SR information sent by the second type of node;
  • the method further includes:
  • the SR response time window lengths corresponding to different scheduling priorities are different, and the higher the priority, the shorter the SR response time window length;
  • the confirmation information is used to notify the second type of node to successfully receive the SR information.
  • the method further includes:
  • the scheduling information that responds to the SR information is sent to the second type of node.
  • the acknowledgement information and the schedule information are transmitted in different signaling.
  • the scheduling information that is sent to the second type of node in response to the SR information includes:
  • the scheduling information is transmitted.
  • sending the scheduling information includes:
  • the scheduling information is transmitted after the transmission delay.
  • the method further includes:
  • the delay information including the sending delay to the second type of node, including:
  • sending the scheduling information in the sending delay including:
  • the acknowledgement information After transmitting the acknowledgement information, transmitting first scheduling information within the sending delay; the first scheduling information includes a scheduled scheduling moment;
  • the second scheduling information is sent, where the second scheduling information includes resource information allocated by the first type of node to the second type of node when responding to the SR information.
  • the confirmation information to the second type of node that sends the SR information including:
  • the acknowledgment information of one of the second type of nodes or the plurality of the second type of nodes is sent in the same message.
  • the first type of node is 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 type of node is a one or a group of terminals.
  • a second aspect of the embodiments of the present invention provides a scheduling control method, where the method includes:
  • the SR information is sent according to the configuration information of the SR resource.
  • the sending the SR information according to the configuration information of the SR resource includes:
  • the SR information is transmitted by using the SR resource.
  • the determining the SR resource according to the SR set includes:
  • the SR resource for transmitting the SR information is randomly selected from the SR resources corresponding to the SR set.
  • the method further includes:
  • the message responding to the SR information is received within the length of the SR response time, it is confirmed that the first type of node successfully receives the SR information.
  • the message that the first type of node responds to the SR information including:
  • the second type of node After receiving the acknowledgement information, the second type of node enters a dormant state or an idle state;
  • the second type of node wakes up to receive the scheduling information that responds to the SR information at a sending moment of scheduling information.
  • the message that the first type of node responds to the SR information including:
  • the second type of node After receiving the acknowledgement information, the second type of node receives first scheduling information; the scheduling information includes a scheduled scheduling moment;
  • the second type of node After receiving the first scheduling information, the second type of node enters a dormant state or an idle state;
  • 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 first sending unit is configured to send the indication information to the second type of node by using the downlink channel
  • the indication information includes configuration information of a scheduling request signaling SR resource of a second type of node.
  • the SR resource is divided into one or more SR sets according to at least one of the following divisions:
  • the scheduling priority is a priority of the SR information sent by the first type of node in response to the second type of node.
  • the first type of node further includes:
  • a first determining unit configured to send the SR resource used by the SR information according to the second type of node, Determining, by the SR set to which the SR resource of the scheduled scheduling request signaling belongs;
  • a second determining unit configured to determine a scheduling priority according to the SR set
  • the response unit is configured to respond to the SR information according to the scheduling priority.
  • the SR response time window lengths corresponding to different scheduling priorities are different, and the higher the priority, the shorter the SR response time window length;
  • the response unit is configured to send, to the second type of node that sends the SR information, acknowledgment information in the SR response time window corresponding to the scheduling priority; the acknowledgment information is used to notify the second type of node that the node is successful. Receiving the SR information.
  • the first sending unit is further configured to send, to the second type of node, scheduling information that is responsive to the SR information.
  • the first sending unit is configured to send the scheduling information after sending the acknowledgement information.
  • the first sending unit is configured to determine, according to the scheduling priority, a sending delay between sending the acknowledgement information and the scheduling information; after sending the acknowledgement information, at the sending time The scheduling information is sent after the delay.
  • the first sending unit is further configured to send, to the second type of node, delay information including the sending delay.
  • the first sending unit is configured to jointly encode the delay information and the acknowledgement information to form joint coded information; and send the joint coded information to the second type of node.
  • the first sending unit is configured to: after the sending the acknowledgement information, send first scheduling information in the sending delay; the first scheduling information includes a scheduled scheduling moment; Sending the second scheduling information when the time is reached;
  • the second scheduling information includes resource information that is allocated to the second type of node when the first type of node responds to the SR information.
  • a fourth aspect of the embodiments of the present invention provides a communication node, where the communication node is a second type of node;
  • the second type of node includes:
  • a receiving unit configured to receive indication information sent by the first type of node, where the indication information includes configuration information of a scheduling request signaling SR resource of the second type of node
  • the second sending unit is configured to send the SR information according to the configuration information of the SR resource.
  • the second sending unit is configured to determine, according to the configuration information of the SR resource, an SR set to which the second type of node belongs, determine an SR resource according to the SR set, and send the SR information by using the SR resource. .
  • the second sending unit is configured to allocate an SR resource from the SR set to the second type node
  • the second sending unit is configured to randomly select an SR resource for sending the SR information from the SR resources corresponding to the SR set.
  • the second type of node further includes a third determining unit, a fourth determining unit, and a confirming unit:
  • the third determining unit is configured to determine a response priority according to the SR set
  • the fourth determining unit is configured to determine an SR response time window length according to the response priority level
  • the receiving unit is further configured to receive, in the length of the SR response time, a message that the first type of node responds to the SR information;
  • the confirming unit is configured to confirm that the first type of node successfully receives the SR information if a message responding to the SR information is received within the length of the SR response time.
  • the receiving unit is configured to receive the acknowledgement information in response to the SR information, and after receiving the acknowledgement information, the second type of node enters a dormant state or an idle state; And according to the length of the SR response time, the second type of node wakes up to receive the scheduling information that responds to the SR information at a sending moment of scheduling information.
  • the receiving unit is configured to receive confirmation information that is responsive to the SR information
  • the second type of node After receiving the acknowledgement information, the second type of node receives the first scheduling information; the scheduling information includes a scheduled scheduling moment; after receiving the first scheduling information, the second type of node enters a dormant state Or the idle state; waking up at the scheduled scheduling moment, receiving the second scheduling information sent by the first node; where the second scheduling information includes the second type of node responding to the SR information is a second Resource information assigned by the class node.
  • 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 scheduling control methods.
  • the embodiment of the present invention provides a scheduling control method, a communication node, and a computer storage medium.
  • the first type of node can control the sending of the SR information of the second type of node by sending the configuration information including the SR resource, and avoid receiving at some time. Congestion caused by a large amount of SR information, and avoiding problems such as large response delay due to congestion.
  • FIG. 1 is a schematic flowchart of a first scheduling control method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a second scheduling control method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a response to SR information according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of a third scheduling control method according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of sending SR information according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart diagram of a fourth scheduling control method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a first type of node according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a second type of node according to an embodiment of the present invention.
  • this embodiment provides a scheduling control method, where the method includes:
  • Step S100 The first type of node sends the indication information to the second type of node through the downlink channel.
  • the indication information includes configuration information of a scheduling request signaling SR resource of a second type of node.
  • the scheduling control method in this embodiment is applied to a first type of node, and the first type of node may be one of the following: a base station, a micro base station, a pico base station, a femto base station, a low power node, and a relay station;
  • the second type of node is a one or a group of terminals.
  • the terminal here may be a second type node of human to human H2H, a second type of node of machine to machine M2M, a second type of node of vehicle to vehicle V2V or a second type of node of device to device D2D.
  • 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 may specifically be a mobile phone or the like.
  • the first type of node sends configuration information of the SR resource to the second type of node.
  • the SR is an abbreviation of Scheduling Request, and corresponds to scheduling request signaling.
  • the first type of node controls, by using the scheduling information of the SR resource, the first type of node to send the SR frequency, timing, and the like information, thereby implementing scheduling control, thereby implementing scheduling control.
  • the spurt requests the first type of node to apply for resource scheduling, resulting in scheduling congestion and the like.
  • the SR resource is divided into one or more SR sets according to at least one of the following divisions:
  • the type of the second type of node may include a second node of the person to the person H2H; a second node of the machine to the machine M2M; a second node of the vehicle to the vehicle V2V; a second node of the device to the device D2D, and the like.
  • the working mode of the second type of node may include an enhanced working mode, a non-enhanced working mode, and a 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 may be a working mode that is configured by default in the second type of node, and the regular mode may be one of the enhanced coverage working mode and the non-enhanced coverage working mode, but the second type of node itself
  • the distinguishing normal mode is the enhanced coverage mode of operation and the non-enhanced coverage mode of operation.
  • the working mode of the second type of node has other ways of dividing.
  • the service type that triggers the sending of the SR is the SR that is sent by the second type of node to implement a certain service, and the service type that triggers the service of the second type of node to send the SR.
  • the combination of the types of services includes a combination of one or more services.
  • 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; and classifying according to a packet length of the data packet; Classified according to the transmission period of the packet.
  • the packet here A packet of service data is transmitted for a packet corresponding to various services.
  • the SR resources are divided into one or more SR sets in this embodiment. Multiple sets here refer to at least two SR sets.
  • the SR resources are divided into SR sets to facilitate more efficient management and control of the first type of nodes.
  • the PRACH resource may include a PRACH resource including a time-frequency resource of a PRACH and a random access sequence.
  • the different PRACH resources corresponding to different SR sets may include: different time-frequency resources of the PRACH corresponding to different SR sets and/or different random access sequences corresponding to different SR sets.
  • the second type of nodes of different types, the second type of nodes of different working modes, the second type of nodes of different service types, or the second type of nodes of different service types are randomly selected by using PRACH resources corresponding to different sets of SRs. Access, to avoid the second type of node of the same type to apply for too many resource scheduling, resulting in other types of second type of node can not request scheduling.
  • the SR resources of the second type of node configuration belonging to the same SR set are different.
  • each of the second type of nodes has different SR resources, and each of the second type of nodes uses the SR resources allocated thereto to send scheduling request signaling.
  • SR resources belonging to the same SR set can be randomly selected by the second type of nodes. That is, one or more SR resources are configured in one SR set, and belong to the second type of nodes in the same SR set, and the SR resources are randomly selected to send scheduling request signaling.
  • the scheduling priorities of the different SR sets are different.
  • the scheduling priority is the priority of the SR information sent by the first type of node in response to the second type of node. Generally, the higher the scheduling priority, the faster the first type of node will respond to the SR information sent by the second type of node.
  • the mapping relationship between the SR set and the scheduling priority may be configured by the first type of node, or may be configured by default by a communication standard; how is the mapping relationship between the SR set and the scheduling priority formed? kind, not limited to the above two ways.
  • the method in this embodiment further includes:
  • Step S110 Determine, according to the SR resource used by the second type of node to send the SR information, the SR set to which the SR resource of the sent scheduling request signaling belongs;
  • Step S120 Determine a scheduling priority according to the SR set
  • Step S130 Respond to the SR information according to the scheduling priority.
  • step S110 the corresponding SR set is determined according to the SR resource that the second node sends the SR information, and the corresponding scheduling priority is determined according to the SR set, and the SR information is responded according to the scheduling priority, if the scheduling priority is performed. High, the first type of node will respond to the SR information more quickly, and if the scheduling priority is low, it is possible that the first type of node will likely respond to the SR information later.
  • the first type of node will respond to the SR information in sequence according to the scheduling priority, and may be able to preferentially respond to the SR information that needs to respond quickly, and the SR information that can respond relatively slowly will respond later. Obviously, this will make the first type of node more responsive to the SR information, and reduce the phenomenon that the user's usage satisfaction is poor due to the disorder of the response.
  • the step S130 may include: in the SR response time window corresponding to the scheduling priority, Sending confirmation information to the second type of node that sends the SR information; the confirmation information is used to notify the second type of node to successfully receive the SR information.
  • the acknowledgment information may include a hybrid automatic repeat request response HARQ-ACK.
  • the method further includes:
  • Step S140 Send scheduling information that responds to the SR information to the second type of node.
  • the scheduling information includes various information such as scheduling parameters, where the confirmation information is that the first type of node sends a second type of node, and the second type of node is notified that the first type of node has received the SR information, and the scheduling is performed.
  • the information is scheduling information formed by performing resource scheduling in response to the SR information. Pass The scheduling information and the acknowledgment information may all be used as response messages in response to the SR information, and should be transmitted within a specified time corresponding to the scheduling priority.
  • the acknowledgment information and the scheduling information are sent in different signaling.
  • the first type of node may first send the acknowledgment information to notify the second class after receiving the SR information and before completing the resource scheduling to form the scheduling information.
  • the node has received the SR information to avoid repeated transmission of the SR information of the second type of node.
  • the step S140 may include: after the sending the confirmation information, sending the scheduling information.
  • the step S140 may specifically include: determining, according to the scheduling priority, sending a sending delay between the acknowledgment information and the scheduling information; after transmitting the acknowledgment information, sending the sending after the sending delay Scheduling information.
  • both the acknowledgement information and the scheduling information need to be sent in the SR response time window. If the acknowledgement information is sent first, it may be determined according to the SR response time window and the sending time of the acknowledgement information. The acknowledgment information must be sent after the acknowledgment information is sent, and the allowable time interval between the acknowledgment information and the scheduling information is the maximum value of the transmission delay. Finally, the first type of node needs to send the scheduling information in the sending delay, and perform the response of the SR information and the resource scheduling in time to avoid the re-requesting access of the second type of node and the sending of the SR information. Into the phenomenon of congestion.
  • the method further includes:
  • the first type of node directly informs the second type of node by using the delay information, so that the second type of node knows the after receiving the delay information.
  • the transmission delay will receive the scheduling information after the transmission delay.
  • the acknowledgment information and the delay information are jointly encoded, so that the signaling overhead of the interaction between the first type node and the second type node can be reduced, and the joint coding information can be sent once.
  • Sending the confirmation information and the delay information reduces the amount of information interaction between the first type of node and the second type of node, and reduces the power consumption of the second type of node.
  • the joint coding here, for example, uses two 2 bits to indicate acknowledgment information, the two bits "00” indicate that no SR information is received; "01" indicates the acknowledgment information, and the transmission delay is one quantization unit; “10” indicates the confirmation information, and the transmission delay is 2 quantization units; “11” indicates the confirmation information, and the transmission delay is 3 quantization units.
  • the step S140 may further include:
  • Step S141 After transmitting the acknowledgement information, send first scheduling information within the sending delay; the first scheduling information includes a scheduled scheduling moment;
  • Step S142 When the scheduled scheduling time is reached, the second scheduling information is sent.
  • the scheduling information may include first scheduling information and second scheduling information.
  • the SR information When the first type of node is currently busy and cannot perform resource scheduling immediately, the SR information must be responded to in the SR response time window to complete the response of the SR information. In this case, the load of the first type of node is further intensified.
  • the first type of node will first send the first scheduling information within the SR response time window.
  • a reservation scheduling time is included in the first scheduling information.
  • the second type of node receives the first scheduling information, it knows that it is received at the scheduled scheduling time to receive the second scheduling information.
  • the second scheduling information After the first type of node determines the scheduled scheduling time according to its own load and the like, the second scheduling information will be sent at the scheduled scheduling moment. In this way, the second type of node can successfully receive the second scheduling information at the scheduled scheduling time, and the second scheduling information includes parameters of resource scheduling, etc., so that the response to the SR information is completed.
  • the acknowledgement information when the acknowledgement information is sent, the acknowledgement information may be separately sent to each second type of node, or the acknowledgement information sent to the multiple second type of nodes may be carried in The same message is sent to the second type of node. For example, by using information aggregation, the acknowledgment information of multiple second-type nodes is aggregated and sent in the same message, thus reducing the number of times the first-type node information is sent.
  • This embodiment provides a scheduling control method, which implements scheduling control of a second type of node by including configuration information of an SR resource, thereby avoiding congestion.
  • this embodiment provides a scheduling control method, where the method includes:
  • Step S210 Receive indication information sent by the first type of node, where the indication information includes configuration information of a scheduling request signaling SR resource of the second type of node;
  • Step S220 Send SR information according to the configuration information of the SR resource.
  • the scheduling control method in this embodiment can be applied to a second type of node, and the second type of node can be a terminal, such as an M2M terminal, an H2H terminal, a V2V terminal, a D2D terminal, or the like.
  • the second type of node in step S210 in this embodiment will receive the indication information.
  • the indication information may include configuration information of the SR resource, and the SR information is sent on the corresponding SR resource, so that at least the control of sending the SR information by the second type of node is implemented, thereby implementing access to the second type of node.
  • the scheduling control of the first type of node and the control of the resource scheduling request may include configuration information of the SR resource, and the SR information is sent on the corresponding SR resource, so that at least the control of sending the SR information by the second type of node is implemented, thereby implementing access to the second type of node.
  • the step S220 may include:
  • Step S221 Determine, according to configuration information of the SR resource, an SR set to which the second type of node belongs;
  • Step S222 Determine an SR resource according to the SR set.
  • Step S223 Send SR information by using the SR resource.
  • the step S220 includes: determining the SR set of the second type of node, and determining the SR resource configured in the SR set, and transmitting by using the SR resource in the SR set.
  • the SR information is not the SR resource that is difficult to use and the SR information is transmitted. Obviously, the transmission control of the second type of node SR information is realized.
  • the step S222 can include:
  • An SR resource configured to the second type of node from the set of SRs.
  • each of the second type of nodes in the SR set is configured with its corresponding SR resource, at this time, after determining the SR set, the SR resource corresponding to the second type of node is found in the corresponding SR set to send the SR information.
  • the SR resources in the SR set may not be separately configured to each second type node, but one or more SR resources are configured to belong to the second class in the SR set. If the node is shared, the step S222 may include: randomly selecting an SR resource for sending the SR information from the SR resources corresponding to the SR set.
  • the method further includes:
  • Step S230 Determine a response priority according to the SR set
  • Step S240 Determine an SR response time window length according to the response priority level
  • Step S250 Receive, in the length of the SR response time, a message that the first type of node responds to the SR information;
  • Step S260 If the message responding to the SR information is received within the length of the SR response time, it is confirmed that the first type of node successfully receives the SR information.
  • the second type of node further determines a response priority according to the set of SRs. Generally, the higher the priority of the response, the faster the first type of node responds to the SR information.
  • the second type of node can predict, according to the length of the SR response time, that information corresponding to the SR information sent by the first type of node is received, so as to maintain the awake state.
  • the second type of node will receive and detect information of the first type of node in response to the SR information within the length of the SR response time, and receive the SR response in response to receiving the first type of node. After the information of the information, the SR information that has been successfully sent to the first type of node is considered to be at least not retransmitted at the present time to cause re-reception of the first type of node.
  • the step S250 may include:
  • the second type of node After receiving the acknowledgement information, the second type of node enters a dormant state or an idle state;
  • the second type of node wakes up to receive the scheduling information that responds to the SR information at a sending moment of scheduling information.
  • the information responsive to the SR information may include confirmation information and scheduling information.
  • the second type of node in order to further save power consumption of the second type of node, after the second type of node receives the acknowledgement information, it will enter a sleep state of idle power or an idle state. In the sleep state or the idle state, the second type of node does not need to blindly check the downlink channel, thereby saving power consumption.
  • the scheduling information herein includes resource information of resources allocated by the first type of node in response to the SR information sent by the second type of node.
  • the second type of node further receives delay information from the first type of node, where the delay information includes a sending delay, where the sending delay indicates that the scheduling information is in the acknowledgement How long after the information transmission time is sent.
  • the second type of node will receive the scheduling information after the sending delay according to the sending delay.
  • the scheduling information and the delay information may be carried in joint coding information formed by joint coding, and the second type of node may receive the joint coding information, decode the joint coding information, and obtain the Confirmation information and the transmission delay.
  • the second type of node may determine the arrival time of the scheduling information according to the receiving moment of the acknowledgement information and the SR response time window, so the second type of node will predict the arrival of the scheduling information. Wake up at time to receive the scheduling information.
  • the scheduling information includes information such as parameters of resource scheduling performed by the first type of node in response to the SR information.
  • the step S250 in this embodiment may include:
  • the second type of node After receiving the acknowledgement information, the second type of node receives first scheduling information; the scheduling information includes a scheduled scheduling moment;
  • the second type of node After receiving the first scheduling information, the second type of node enters a dormant state or an idle state;
  • the second type of node in this embodiment will receive the scheduling information, and the currently available scheduling information may be the first scheduling information.
  • the first scheduling information may include a scheduled scheduling moment.
  • the second node may enter a dormant state or an idle state, and wait for receiving the second scheduling information in a low power consumption state, and specifically include the second scheduling information.
  • the first type of node responds to resource scheduling results or parameters of the SR information.
  • the second type of node may perform operations such as subsequent service requests according to the second scheduling information.
  • the first type of node When the first type of node sends the confirmation information, it may be separately sent to each of the second type of nodes, and the second type of node may be received by itself.
  • the first type of node may also send the acknowledgement information of the multiple second type nodes in the same message, and the second type of node will receive the message and receive multiple acknowledgement information according to the communication.
  • the protocol or the prior consultation process, etc., and the confirmation information sent to the second type of node is extracted from the message.
  • the second type of node may, according to the indication information, avoid an unordered request for the first type of node to perform resource scheduling, resulting in congestion. It reduces the occurrence of congestion and improves the order of information interaction.
  • the embodiment provides a communication node, where the communication node is a first type of node, and the first type of node includes:
  • the first sending unit is configured to send the indication information to the second type of node by using the downlink channel
  • the indication information includes configuration information of a scheduling request signaling SR resource of a second type of node.
  • the first type of nodes in this embodiment may be communication nodes such as 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 Hoowei base station may also be referred to as a home base station.
  • the first sending unit may include various sending interfaces, and the sending interface may be a wireless sending interface, such as an X2 interface of a macro base station.
  • the indication information includes configuration information of the SR resource, and the configuration information of the SR resource can control the sending of the SR information sent by the second type of node by configuring the SR resource, thereby avoiding many second type nodes at the same time
  • the first type of node sends congestion caused by SR information.
  • the second type of node may include a terminal, for example, the type of the second node as described in the first embodiment of the method includes: a second node of the person to the person H2H; a second node of the machine to the machine M2M; and a vehicle to the vehicle V2V The second node; the device to the second node of the device D2D, and the like.
  • the working mode of the second node is one of: coverage enhancement mode; non-coverage enhancement mode; regular mode.
  • the first type of node may further include an obtaining unit.
  • the structure of the acquisition unit may include a processor or processing circuit or the like, and the processor may be a result of a central processing unit, a microprocessor, a digital signal processor, or a programmable array.
  • the processing circuit can be an application specific integrated circuit.
  • the processor may implement the above-described function of forming the indication information by executing a designated code.
  • the acquisition unit may also include a communication interface, and the communication interface may be configured to receive the indication information from a peripheral device.
  • the SR resource is divided into one or more SR sets according to at least one of the following divisions: a type of a second type of node that sends the SR; an operation mode of the second type of node that sends the SR; and a service type that triggers sending the SR; Triggers a combination of service types that send SRs.
  • a type of a second type of node that sends the SR
  • an operation mode of the second type of node that sends the SR and a service type that triggers sending the SR
  • Triggers a combination of service types that send SRs Triggers a combination of service types that send SRs.
  • Different SR sets correspond to different physical random access channel PRACH resources.
  • the second type of nodes of different types or the second type of nodes of different working modes, the second type of nodes of different service types or the second type of nodes of different service types are connected to the PRACH resources of the first type of nodes.
  • the probability of random access is fair.
  • the SR resources of the second type of node configuration belonging to the same SR set are different.
  • the SR resources belonging to the configuration of the second type of nodes in the same SR set are also different.
  • the second type node A and the second type node B belong to the same SR set.
  • the second type node A and the second type node B are each configured by the SR resource of the first type, obviously this At the same time, the second type of node will use the first type of node configuration to send SR information to its SR resources.
  • SR resources belonging to the same set of SRs can be randomly selected by the second type of nodes.
  • the SR resources of the same SR set may be shared by the second type of nodes in the same SR set. If the second type of nodes in the SR set need to send SR information, one SR in the SR set may be randomly selected. Resources.
  • the scheduling priorities of the different SR sets are different.
  • the scheduling priority is the priority of the SR information sent by the first type of node in response to the second type of node. By setting the scheduling priority, it is convenient for the first type of node to preferentially respond to the SR information that needs to respond in time.
  • the first type of node includes a first sending unit 100 in addition to the first sending unit 100.
  • a first sending unit 100 in addition to the first sending unit 100.
  • the first determining unit 110 is configured to determine, according to the SR resource used by the second type of node to send the SR information, the SR set to which the SR resource of the sent scheduling request signaling belongs;
  • the second determining unit 120 is configured to determine a scheduling priority according to the SR set
  • the response unit 130 is configured to respond to the SR information according to the scheduling priority.
  • the first determining unit 110, the second determining unit 120, and the response unit 130 in this embodiment may all correspond to a processor or a processing circuit.
  • the processing circuit can include an application specific integrated circuit.
  • the processor can include a microprocessor, a central processing unit, a digital signal processor or a programmable array, and the like.
  • the first determining unit 110, the second determining unit 120, and the response unit 130 may respectively correspond to different processors or processing circuits, or may be integrated to correspond to the same processor or processing circuit.
  • the processor or processing circuit can process the functions of the above-described units separately by means of time division multiplexing or concurrent threads.
  • the SR response time window lengths corresponding to different scheduling priorities are different, and the higher the priority, the shorter the SR response time window length; the response unit 130 is specifically configured to be in the scheduling priority.
  • the response unit 130 further includes a sending interface, and sends a confirmation message to the second type of node to inform the second type of node that the SR information has been successfully received.
  • the first sending unit 100 is further configured to send scheduling information that responds to the SR information to the second type of node.
  • the scheduling information includes a scheduling result or a scheduling parameter of the resource scheduling performed by the first type of node in response to the SR information, so that after receiving the scheduling information, the second type of node may perform the scheduling according to the scheduling.
  • the information completes the response to the business.
  • the acknowledgment information and the scheduling information are sent in different signaling.
  • the acknowledgment information and the scheduling information are sent in different signaling, so that the first sending unit can separately send the acknowledgment
  • the information and the scheduling information are used, so that the first type of node can flexibly control the message sent to the second type of node, and avoid the problem of large delay in responding to the SR information.
  • the first sending unit 100 is configured to send the scheduling information after sending the acknowledgement information.
  • the first sending unit 100 is first used to send the acknowledgment information, and after the acknowledgment information is sent, the scheduling information is sent again, which is beneficial to timely replying that the second type of node has received the SR information, and The first type of node provides more time for resource scheduling.
  • the first sending unit 100 is configured to determine, according to the scheduling priority, a sending a sending delay between the acknowledgement information and the scheduling information; after sending the acknowledgement information, in the sending The scheduling information is sent after the delay.
  • the acknowledgment information and the scheduling information are separately sent, but the scheduling information cannot be separated from each other after the acknowledgment information is sent. Otherwise, the response delay is large.
  • the scheduling priority determines the sending delay; the method of determining can be referred to the corresponding method embodiment.
  • the first sending unit 100 may include a calculator or a processor with a computing function, etc., and may be used to calculate the sending delay.
  • the first sending unit 100 is further configured to send, to the second type of node, delay information including the sending delay.
  • the first sending unit 100 is configured to jointly encode the delay information and the acknowledgement information to form joint coded information, and send the joint coded information to the second type of node.
  • the first sending unit 100 will also be used to send delay information, so that the sending delay between the acknowledgment information and the scheduling information of the second type of node can be easily notified.
  • the acknowledgement information and the delay information are jointly encoded to form joint coding information, which can reduce signaling overhead and reduce the number of information interactions and data between nodes.
  • the first sending unit 100 is configured to: after sending the acknowledgement information, send first scheduling information after the sending delay; the first scheduling information includes a scheduled scheduling moment; When the scheduled scheduling time is reached, the second scheduling information is sent.
  • the first sending unit 100 in this embodiment may also be based on its current load status. If the current negative amount is greater than the specified load amount or the load level is higher than the specified load level, the first sending unit 100 may send the information.
  • the first scheduling information is sent first, and the scheduled scheduling time is determined according to the load quantity or the load level; and the second scheduling information is sent again at the scheduled scheduling time to avoid excessive busyness of the first type of node. .
  • the first sending unit 110 is further configured to send the acknowledgement information of the second type of node or the plurality of the second type of nodes to be sent in the same message.
  • the first type of node is at least one of the following:
  • the low power node can be a common LPN, and conventional definitions of low power nodes herein can be found in the prior art.
  • the second type of node is a one or a group of terminals.
  • the embodiment provides a first type of node, which can be used to implement the scheduling control method in the first embodiment of the method, and sends the indication information by setting the first sending unit, and controls the second type of node by using the indication information.
  • Congestion request scheduling congestion can be used to implement the scheduling control method in the first embodiment of the method, and sends the indication information by setting the first sending unit, and controls the second type of node by using the indication information.
  • the embodiment provides a communication node, where the communication node is a second type of node;
  • the second type of node includes:
  • the receiving unit 210 is configured to receive the indication information sent by the first type of node, where the indication information includes configuration information of the scheduling request signaling SR resource of the second type of node
  • the second sending unit 220 is configured to send the SR information according to the configuration information of the SR resource.
  • the receiving unit 210 described in this embodiment may include various types of communication interfaces, such as, for example, The WiFi receiving antenna, the mobile receiving antenna, and the like can receive the indication information from the first type of node.
  • the second sending unit 220 can include various types of wireless sending interfaces, and can use the SR resources to send SR information.
  • the second type of node in the embodiment does not use any one of the SR resources to send the SR information, but is to be sent according to the configuration information of the SR resource in the indication information, and obviously implements the first type of node to the second type of node.
  • the control of SR information transmission reduces the congestion caused by the excessive transmission of SR information by the second type of node in the first type of node.
  • the second sending unit 220 is configured to determine, according to the configuration information of the SR resource, an SR set to which the second type of node belongs, determine an SR resource according to the SR set, and send the SR information by using the SR resource.
  • the SR resource is configured as an SR set
  • the second type of node first determines the SR set in which the SR resource is located according to the configuration information of the SR resource, and determines the SR resource according to the SR set again, and finally The SR information is transmitted on the determined SR resource.
  • the second transmitting unit 220 further includes an information processing module, which may include a processor or processing circuit, and the processor or processing circuit may be configured to determine an SR resource for transmitting the SR information.
  • the second sending unit 220 is configured to allocate SR resources from the SR set to the second type of node.
  • the SR group is separately configured with the SR resource for the second type of node, and the processing module of the second sending unit 220 may query the configuration information according to the identification information of the second type of node, and determine the SR. Configure the SR resources of the second type of node in the set.
  • the second sending unit 220 is configured to randomly select an SR resource for sending the SR information from the SR resources corresponding to the SR set.
  • the SR resources in the set of SRs are shared by the second type of nodes located in the set of SRs.
  • the processing modules in the second sending unit 220 may be randomly selected.
  • An SR resource is used to send the SR information, for example, randomly selecting an idle SR resource in the current SR set to send the SR information.
  • the second type of node further includes:
  • a third determining unit configured to determine a response priority according to the set of SRs
  • a fourth determining unit configured to determine an SR response time window length according to the response priority
  • the receiving unit 210 is further configured to receive, according to the length of the SR response time, a message that the first type of node responds to the SR information;
  • a confirming unit configured to confirm that the first type of node successfully receives the SR information if a message responding to the SR information is received within a length of the SR response time.
  • the SR set is mapped to the response priority. Therefore, the third type determining unit is further disposed in the second type node in this embodiment.
  • the specific structure of the third determining unit and the confirming unit may be various types of processors or processing circuits.
  • the specific structure of the fourth determining unit may also be various types of processors or processing circuits.
  • the receiving unit is specifically configured to receive information that is responsive to the SR information within a length of the SR response time.
  • the second type of node may further include a timer or a timer that measures the length of the SR response time.
  • the receiving unit 210 is configured to receive acknowledgement information in response to the SR information; after receiving the acknowledgement information, the second type of node enters a dormant state or an idle state; according to the SR response time length, The second type of node wakes up receiving the scheduling information that responds to the SR information at a sending moment of scheduling information.
  • the receiving unit 210 further includes a processing module having an information processing function, and the processing module may correspond to a processor or a processing circuit.
  • the processor or the processing circuit is configured to control the second type of node to enter a low power sleep state or an idle state after receiving the acknowledgement information, and wake up the second when the scheduling information needs to be received
  • the class node receives the scheduling information. This obviously saves the power consumption of the second type of nodes and improves the intelligence of scheduling.
  • the receiving unit 210 in this embodiment may be further configured to receive delay information sent by the first type of node, where the delay information includes the first type of node sending the acknowledgement information and the u schedule The transmission delay between messages.
  • the receiving unit 210 will also receive the scheduling information after the sending delay according to the sending delay.
  • the acknowledgement information and the delay information may be jointly encoded in the same information, such as the joint coded information.
  • the receiving unit 210 receives the acknowledgement information and the delay information by receiving the joint coding information.
  • the receiving unit 210 is configured to receive acknowledgment information in response to the SR information, and after receiving the acknowledgment information, the second type of node receives first scheduling information, where the scheduling information includes scheduling scheduling After receiving the first scheduling information, the second type of node enters a dormant state or an idle state; wakes up at the scheduled scheduling moment, and receives second scheduling information sent by the first node;
  • the second scheduling information includes resource information allocated by the first type of node to the second type of node when responding to the SR information.
  • the first type of node When the first type of node sends the confirmation information, it may be separately sent to each of the second type of nodes, and the receiving unit 210 may be used to receive the confirmation information by itself.
  • the first type of node may also send the acknowledgement information of multiple second type nodes in the same message, and the receiving unit 2140 will be used to receive the message, so that multiple acknowledgements are received simultaneously by receiving the message.
  • the information is extracted from the message according to the communication protocol or prior consultation, and the confirmation information sent to the second type of node is extracted from the message.
  • the scheduling information is divided into first scheduling information and second scheduling information, where the first scheduling information includes a scheduled scheduling moment, and the scheduled scheduling moment may be considered as being receivable by the second type of node.
  • the time to the second scheduling information is applicable to when the load of the first type of node is increased or the load level is increased, and the power consumption caused by scheduling information sent by the first type of node is not long. problem.
  • the base station may be equivalent to the aforementioned first type of node, and the terminal is equivalent to the aforementioned second type of node.
  • the base station sends indication information to the terminal.
  • the indication information includes at least one of the following:
  • the SR information is sent by using a PRACH resource.
  • Different terminals configure different PRACH resources sent by scheduling request signaling (SR), and are distinguished by PRACH time-frequency resources and/or random access sequences.
  • the terminal of the combination of different service types or service types configures different PRACH resources; the base station determines the service type that the terminal needs to schedule according to the detected SR, and first allocates resources for service transmission for the service type with high priority. In this way, the combing and control of the resource scheduling of the first type of nodes is implemented, and the phenomenon of resource scheduling congestion caused by the centralized sending of SR information at a certain point in time is avoided.
  • the terminal receives the indication information from the base station
  • the terminal cannot randomly select an SR resource to send the SR information, and must use the SR resource allocated to the terminal to send, so that the terminal can randomly avoid adopting an SR resource in the prior art. Congestion caused by sending SR information.
  • 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 in at least one of the foregoing scheduling control methods, for example, FIG. 1 to FIG. 6 One or more of the methods shown.
  • the computer storage medium in this embodiment may include various types of storage media 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, and may be implemented in actual implementation.
  • multiple units or components may be combined, or may be integrated into another system, or some features may be ignored or not performed.
  • 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 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.

Abstract

L'invention concerne un procédé de commande de programmation et un nœud de communication, ledit procédé comprenant les étapes suivantes: un nœud du premier type envoie des informations d'indication à un nœud du second type au moyen d'un canal de liaison descendante, lesdites informations d'indication comprenant des informations de configuration pour une ressource de signal de demande de programmation (SR) du nœud du second type. Selon ces modes de réalisation, cette invention se rapporte aussi à un support de stockage informatique.
PCT/CN2015/098265 2015-09-18 2015-12-22 Procédé de commande de programmation, nœud de communication, et support de stockage informatique WO2016165387A1 (fr)

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