WO2016023210A1 - Appareil et procédé de distribution de ressource de retour - Google Patents

Appareil et procédé de distribution de ressource de retour Download PDF

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Publication number
WO2016023210A1
WO2016023210A1 PCT/CN2014/084400 CN2014084400W WO2016023210A1 WO 2016023210 A1 WO2016023210 A1 WO 2016023210A1 CN 2014084400 W CN2014084400 W CN 2014084400W WO 2016023210 A1 WO2016023210 A1 WO 2016023210A1
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WO
WIPO (PCT)
Prior art keywords
node
transmission rate
backhaul
request information
cellular
Prior art date
Application number
PCT/CN2014/084400
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English (en)
Chinese (zh)
Inventor
朱胡飞
张军平
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/084400 priority Critical patent/WO2016023210A1/fr
Priority to CN201480081025.7A priority patent/CN106664711B/zh
Publication of WO2016023210A1 publication Critical patent/WO2016023210A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • the present application relates to the field of communication networks, and in particular, to an apparatus and method for allocating a backhaul resource.
  • the prior art provides a backhaul method.
  • the WiFi backhaul capability is insufficient, the cellular backhaul is used at the same time to ensure the quality of service (QoS) of the backhaul.
  • QoS quality of service
  • the cellular backhaul resources are allocated among multiple nodes, and each node is assigned a fixed backhaul resource.
  • the backhaul link is delayed or discarded due to a slow transmission rate.
  • the backhaul link is idle because of the high transmission rate. In this way, the transmission rates of the nodes of the network are greatly different, resulting in poor transmission quality of the entire network.
  • the technical problem to be solved by the present application is to provide an apparatus and method for allocating a backhaul resource, which can reasonably allocate cellular backhaul spectrum resources, so that the backhaul performance of each node is similar, and the transmission quality of the network is improved.
  • the first aspect of the present application provides an apparatus for allocating a backhaul resource, including: a receiving module, an allocating module, and a sending module; the receiving module is configured to receive request information sent by at least two nodes, where The request information is one of the at least two nodes The node is configured to request to obtain information about a cellular backhaul spectrum resource, where the allocation module is configured to allocate, for each of the at least two nodes, the at least two nodes according to the request information received by the receiving module.
  • the total transmission rate of the node meets a predetermined requirement of the cellular backhaul spectrum resource, where the total transmission rate is the sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link;
  • the at least two nodes send notification information, where the notification information includes information of a cellular backhaul spectrum resource allocated by the allocation module for the corresponding node.
  • the request information includes request information for acquiring a cellular backhaul spectrum resource and a WiFi backhaul link by one of the at least two nodes
  • the transmission module is further configured to allocate a cellular backhaul i-ridge resource to the at least two nodes according to a transmission rate of the WiFi backhaul link in the request information.
  • the request information further includes a total amount of data to be transmitted by the node; And allocating a cellular backhaul spectrum resource to the node according to a transmission rate of the WiFi backhaul link and the total amount of data to be transmitted.
  • the total transmission rate that meets the predetermined requirement is specifically: the total transmission rate Is a preset value; or the total transmission rate of the at least two nodes is the same.
  • the second aspect of the present application provides an apparatus for allocating a backhaul resource, including: a receiver, a processor, and a transmitter; the receiver is configured to receive request information sent by at least two nodes, where The request information is used by one of the at least two nodes to request acquisition of information of a cellular backhaul spectrum resource; the processor is configured to use the transmission rate in the request information received by the receiver as The at least two nodes allocate a cellular backhaul spectrum resource that satisfies a predetermined requirement for a total transmission rate of each of the at least two nodes, where the total transmission rate is a transmission rate of the WiFi backhaul link and a sum of transmission rates of the cellular backhaul links; the transmitter is configured to send notification information to the at least two nodes, where the notification information includes a cellular backhaul spectrum resource allocated by the processor to a corresponding node information.
  • the request information includes request information for acquiring a cellular backhaul spectrum resource and a WiFi backhaul link by one of the at least two nodes Transmission rate; the processor is further configured to use the request information The transmission rate of the WiFi backhaul link allocates cellular backhaul spectrum resources for the at least two nodes.
  • the request information further includes a total amount of data to be transmitted by the node; And allocating a cellular backhaul spectrum resource to the node according to a transmission rate of the WiFi backhaul link and the total amount of data to be transmitted.
  • the total transmission rate that meets the predetermined requirement is specifically: the total transmission rate Is a preset value; or the total transmission rate of the at least two nodes is the same.
  • the third aspect of the present application provides a backhaul device, including a sending module, a control module, and a receiving module.
  • the sending module is configured to send request information, where the request information is used to request to acquire a cell. Returning information of the spectrum resource;
  • the receiving module is configured to receive the notification information, where the notification information includes information about the allocated cellular backhaul spectrum resource that satisfies the predetermined transmission rate, where the total transmission rate is WiFi back The sum of the transmission rate of the transmission link and the transmission rate of the cellular backhaul link;
  • the control module is configured to use the cellular backhaul spectrum resource received by the receiving module.
  • the request information includes request information for acquiring a cellular backhaul spectrum resource and a transmission rate of a WiFi backhaul link, where the control module further uses The WiFi backhaul spectrum resource is used for backhaul.
  • the request information further includes a total amount of data to be transmitted.
  • the fourth aspect of the present application provides a backhaul device, including a transmitter, a processor, and a receiver.
  • the transmitter is configured to send request information, where the request information is used to request to obtain a cellular back.
  • Transmitting information of the spectrum resource the receiver is configured to receive the notification information, where the notification information includes information about the allocated cellular backhaul spectrum resources that satisfy the predetermined transmission rate, where the total transmission rate is a WiFi backhaul chain.
  • the sum of the transmission rate of the path and the transmission rate of the cellular backhaul link; the processor is configured to use the cellular backhaul resource received by the receiver.
  • the request information includes request information for acquiring a cellular backhaul spectrum resource and a transmission rate of a WiFi backhaul link;
  • the processor is further configured to perform backhaul using WiFi backhaul spectrum resources.
  • the request information sent by the sender further includes a total amount of data to be transmitted.
  • a fifth aspect of the present application provides a method for allocating a backhaul resource, including the following steps: receiving request information sent by at least two nodes, where the request information is in the at least two nodes a node for requesting to acquire information of a cellular backhaul spectrum resource; and assigning, according to the request information, the at least two nodes to a cellular backhaul that enables a total transmission rate of each of the at least two nodes to meet a predetermined requirement a spectrum resource, where the total transmission rate is a sum of a transmission rate of the WiFi backhaul link and a transmission rate of the cellular backhaul link; and the notification information is sent to the at least two nodes, where the notification information is included Information about the cellular backhaul spectrum resources allocated by the corresponding node.
  • the request information includes request information for acquiring a cellular backhaul spectrum resource and a WiFi backhaul link by one of the at least two nodes And the step of: allocating the cellular backhaul spectrum resource to the node according to the request information: according to the transmission rate of the WiFi backhaul link in the request information, the at least two nodes Allocate cellular backhaul spectrum resources.
  • the request information further includes a total amount of data to be transmitted by the node;
  • the step of allocating the cellular backhaul spectrum resource to the node is: assigning a cellular backhaul resource to the node according to the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted.
  • the total transmission rate that meets the predetermined requirement is specifically: the total transmission rate Is a preset value; or the total transmission rate of the at least two nodes is the same.
  • the sixth aspect of the present application provides a backhaul method, including the following steps: sending request information, where the request information is information for requesting acquisition of a cellular backhaul spectrum resource; receiving notification information, where The notification information includes information about a allocated cellular backhaul spectrum resource that satisfies a predetermined transmission rate, where the total transmission rate is a sum of a transmission rate of the WiFi backhaul link and a transmission rate of the cellular backhaul link; The allocated cellular backhaul spectrum resources are used.
  • the request information includes a request information for acquiring a cellular backhaul spectrum resource and a transmission rate of a WiFi backhaul link, where the method further includes: Use WiFi backhaul spectrum resources for backhaul.
  • the request information further includes a total amount of data to be transmitted.
  • FIG. 1 is a schematic structural view of an embodiment of a backhaul system of the present application
  • FIG. 2 is a schematic structural diagram of an apparatus for allocating a backhaul resource according to the present application
  • FIG. 3 is a schematic structural diagram of an embodiment of a backhaul device of the present application.
  • FIG. 4 is a flowchart of an embodiment of a method for allocating a backhaul resource according to the present application
  • FIG. 5 is a flowchart of another embodiment of a method for allocating a backhaul resource according to the present application.
  • FIG. 6 is a flowchart of still another embodiment of a method for allocating a backhaul resource according to the present application.
  • FIG. 7 is a flow chart of an embodiment of a return method of the present application.
  • FIG. 8 is a schematic structural diagram of another embodiment of an apparatus for allocating a backhaul resource according to the present application
  • FIG. 9 is a schematic structural diagram of another embodiment of a backhaul apparatus of the present application.
  • FIG. 1 is a schematic structural diagram of an embodiment of a backhaul system of the present application.
  • the backhaul system of this embodiment includes a macro base station 110, a first node 121, and a second node 122.
  • macro The base station 110 is connected to the first node 121 and the second node 122 respectively.
  • the backhaul links of the macrocell 110 and the first node 121 and the second node 122 both include a WiFi backhaul link and a cellular backhaul link, and the total transmission rate is The sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link, and the total transmission rate may be dynamically changed or fixed.
  • two nodes are taken as an example for description, and in other embodiments, more nodes may be included.
  • the macro cell 110 sends a request message to request to acquire the cellular backhaul spectrum resource.
  • the request information is used by one of the at least two nodes to request information about the cellular backhaul spectrum resource.
  • the request information includes request information for the node to acquire the cellular backhaul spectrum resource, and a transmission rate of the WiFi backhaul link of the node.
  • the request information for obtaining the cellular backhaul spectrum resource is used to identify that the message is request information for the node to request to obtain the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link is used to enable the macro cell to transmit the transmission rate according to the WiFi backhaul link.
  • the total transmission rate is the sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link. It can be understood that the request information of the node to obtain the cellular backhaul spectrum resource and the transmission rate of the WiFi backhaul link of the node may be distributed in the same request information or may be distributed in different request information.
  • the first node 121 determines that the backhaul capability of its WiFi backhaul link cannot meet the user's needs, it sends request information to the macro cell 110 to request to acquire the cellular backhaul spectrum resource, so that the allocated cell backhaul can be used.
  • the spectrum resources are returned.
  • the request information is used by the node 121 to request information about the cellular backhaul spectrum resource.
  • the request information may include request information for the first node 121 to acquire the cellular backhaul spectrum resource, and a transmission rate of the WiFi backhaul link of the first node 121.
  • the second node 122 When the second node 122 determines that the backhaul capability of the WiFi backhaul link cannot satisfy the user's needs, it sends a request message to the macro cell 110 to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used to perform the backhaul. pass.
  • the request information is used by the node 122 to request information about the cellular backhaul spectrum resource.
  • the request information may include request information for the second node 122 to acquire the cellular backhaul spectrum resource, and the transmission speed of the WiFi backhaul link of the second node 122.
  • the at least two nodes that make the request are allocated according to the request information, so that the total transmission rate of each of the at least two nodes meets the predetermined requirement of the cellular backhaul spectrum. Resources.
  • the total transmission rate meets the predetermined requirement: the total transmission rate is a preset value; or the total transmission rate of the at least two nodes is the same.
  • the macro cell 110 when receiving the request information for acquiring the cellular backhaul spectrum resource sent by the first node 121 and the second node 122, the macro cell 110 identifies the node as a node requesting to acquire the cellular backhaul spectrum resource, and sends the node from the first node 121.
  • the transmission rate of the WiFi backhaul link of the first node 121 is obtained from the request information
  • the transmission rate 2 of the WiFi backhaul link of the second node 122 is obtained from the request information sent by the second node 122.
  • the macrocell 110 acquires the transmission rate of the WiFi backhaul link of the first node 121 and the second node.
  • the backhaul resources that can be allocated are proportionally allocated to the first node 121 and the second node 122 according to the transmission transmission rate and the transmission rate of the WiFi backhaul link, so that the first The total transmission rates of node 121 and second node 122 are equal or nearly the same.
  • the transmission rate of the node's WiFi backhaul link is larger, the number of cellular backhaul transmission resources allocated by the macrocell 110 to the node is less. among them,
  • the total transmission rate is dynamically changed, and the macrocell 110 is the first node 121 according to the transmission rate of the WiFi backhaul link of the first node 121 and the transmission rate of the WiFi backhaul link of the second node 122.
  • the second node 122 dynamically allocates cellular backhaul spectrum resources.
  • the macro cell 110 when the macro cell 110 receives the request information of the three nodes, the cellular backhaul spectrum resources ⁇ ⁇ , B 2 allocated to each node, and the transmission rate VV 2 of the WiFi backhaul link with each node.
  • each node is assigned a cellular backhaul spectrum resource.
  • the macro cell When the total transmission rate meets the predetermined requirement, specifically: when the total transmission rate is a preset value, the macro cell
  • the difference between the total transmission rate and the transmission rate of the WiFi backhaul link of the node is calculated, thereby obtaining the transmission of the cellular backhaul link of the node. rate. For example, if the total transmission rate is ⁇ , then the transmission rate of the cellular backhaul link of the first node 121 is (-, the transmission rate of the cellular backhaul link of the second node 122 is ( ⁇ ).
  • the backhaul resources that can be allocated are determined according to the nodes.
  • the transmission rate of the cellular backhaul link allocates cellular backhaul spectrum resources proportionally to each node, so that the total transmission rate of the node that sends the request information is the same or nearly the same as the other nodes. among them,
  • the ratio of the cellular backhaul spectrum resource allocated by the macrocell 110 to the first node 121 to the cellular backhaul spectrum resource allocated to the second node 122 is equal to or close to the transmission rate of the cellular backhaul link of the first node 121.
  • the ratio of the transmission rates of the cellular backhaul links of the two nodes 122 i.e., ⁇ ⁇ ⁇ 1.
  • the macro cell 110 receives the request information of the three nodes, the cell backhaul spectrum resources allocated to each node, the transmission rate of B 2 , B 3 and the cellular backhaul link of each node)
  • the relationship between (V total - v 2 ) and ( - 3 ) is:
  • each node is assigned a cellular backhaul spectrum resource.
  • the macro information is sent to the first node 121 and the second node 122 respectively.
  • the notification information includes information of a cellular backhaul spectrum resource allocated by the macro cell 110 to the corresponding node.
  • the notification information transmitted to the first node 121 includes information of the cellular backhaul spectrum resource ⁇ allocated by the macrocell 110 for the first node 121, and the notification information transmitted to the second node 122 includes the cellular allocated by the macrocell 110 to the second node 122.
  • the information of the backhaul spectrum resource can enable the first node 121 to use the allocated cellular backhaul frequency, the sum of the transmission rate of the resource A for backhaul and the transmission rate of the WiFi backhaul link, equal to or close to, and the second node 122 uses Allocated cellular backhaul spectrum resources The sum of the transmission rate of the backhaul and the transmission rate of the WiFi backhaul link.
  • the request information sent by the node further includes the total amount of data to be transmitted of the node, where the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted are used to enable the macro cell to transmit according to the WiFi backhaul link.
  • the rate and the total amount of data to be transmitted are allocated to the requesting node to allocate the cellular backhaul spectrum resources so that the node has the same total amount of data to be transmitted as the other nodes. It can be understood that the request information of the node to obtain the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link of the node, and the total amount of the data to be transmitted by the node may be distributed in the same request information, or may be distributed in different Request information.
  • the first node 121 determines that the backhaul capability of its WiFi backhaul link cannot satisfy the user's needs, it sends a request message to the macro cell 110 to request acquisition of the cellular backhaul spectrum resource.
  • the request information is used by one of the at least two nodes to request information about the cellular backhaul spectrum resource.
  • the request information includes request information for the first node 121 to acquire the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link of the first node 121 and the total amount of data to be transmitted.
  • the second node 122 When the second node 122 determines that the backhaul capability of its WiFi backhaul link cannot meet the user's needs, it sends a request message to the macro cell 110 to request acquisition of the cellular backhaul spectrum resource.
  • the request information is used by one of the at least two nodes to request information about the cellular backhaul spectrum resource.
  • the request information includes request information for the second node 122 to acquire the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link of the second node 122 and the total amount of data to be transmitted.
  • the macro cell 110 After receiving the request information sent by the at least two nodes, the macro cell 110, when acquiring the request information for acquiring the cellular backhaul spectrum resource, identifies the node as a node requesting to acquire the cellular backhaul spectrum resource, and according to the request information.
  • the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted are allocated to the requesting node to allocate the cellular backhaul spectrum resources, so that the requesting node is the same as the total amount of data to be transmitted of other nodes.
  • the macro cell 110 acquires the request information for acquiring the cellular backhaul spectrum resource from the request information sent by the first node 121 and the second node 122.
  • the first node 121 and the second node 122 node are identified as nodes requesting to acquire cellular backhaul spectrum resources.
  • the transmission rate of the WiFi backhaul link of the first node 121 and the total amount of data S to be transmitted are obtained from the request information sent by the first node 121, and the WiFi back of the second node 122 is obtained from the request information sent by the second node 122.
  • the transmission rate of the transmission link and the total amount of data to be transmitted are obtained from the request information sent by the second node 122.
  • the macro cell 110 After the macro cell 110 acquires the transmission rate of the WiFi backhaul link of the first node 121 and the total amount of data to be transmitted, the transmission rate of the WiFi backhaul link of the second node 122, and the total amount of data to be transmitted, The transmission transmission rate of the backhaul link and the total amount of data to be transmitted, the transmission rate of the WiFi backhaul link, and the total amount of data to be transmitted, the allocated backhaul resources are proportionally allocated to the first node 121 and the second node 122. So that the total amount of data to be transmitted of the first node 121 and the second node 122 is the same or nearly the same.
  • the node that sends the request information the same or nearly the same as the total amount of data to be transmitted of other nodes, if the total amount of data to be transmitted of the node is larger, the total transmission rate that the macro cell 110 needs to allocate for the node is larger; After the total transmission rate is allocated, if the transmission rate of the WiFi backhaul link of the node is larger, the transmission rate of the cellular backhaul link of the node is smaller, and the macrocell 110 allocates the cellular backhaul resource for the node. The less.
  • the macro cell 110 allocates a total transmission rate for the first node 121 and the second node 122 according to the total amount of data to be transmitted of the first node 121 and the total amount of data to be transmitted of the second node 122.
  • the macrocell 110 allocates the total transmission rate ⁇ V 2 for the first node 121 and the second node 122, respectively, according to the transmission rate of the WiFi backhaul link of the first node 121 and the WiFi backhaul chain of the second node 122.
  • the transmission rate of the path calculates the transmission rate of the cellular backhaul link of the first node 121 and the second node 122, respectively.
  • the transmission rate of the cellular backhaul link of the first node 121 is (f ⁇ -f
  • the transmission rate of the cellular backhaul link of the second node 122 is (, 2 - ).
  • the macro cell 110 calculates the transmission rate of the cellular backhaul link of the first node 121 and the second node 122, it can be allocated according to the transmission rate of the cellular backhaul link of the first node 121 and the second node 122.
  • the backhaul resources are allocated to the first node 121 and the second node 122 in proportion, so that when the first node 121 and the second node 122 simultaneously use the cellular backhaul spectrum resource and the WiFi spectrum resource for backhaul, the total data to be transmitted is The amounts are the same or nearly the same.
  • the cellular backhaul spectrum resource A allocated to the first node 121 and the cellular backhaul frequency allocated to the second node 122 The ratio of the spectral resource S 2 is equal to or close to the transmission rate of the cellular backhaul link of the first node 121 ("the ratio of the transmission rate of the cellular backhaul link of the second node 122 ( 2 - 2 ), That is, ⁇ Lg V &l ⁇ V i.
  • the macro cell 110 when the macro cell 110 receives the request information of the three nodes, the total transmission rate allocated to each node ⁇ , , and the total data to be transmitted of each node
  • the relationship between quantity, &, is: V : V & 2 : V ⁇ ⁇ S,: S 2 : s 3 , and the cellular backhaul spectrum resources allocated to each node, B 2 , and the cellular backhaul link with each node Transmission rate (V & 2 -V).
  • each node When 110 receives the request information of 4 or more nodes, and so on, each node is allocated a cellular backhaul resource.
  • the macro information is sent to the first node 121 and the second node 122, respectively.
  • the notification information sent to the first node 121 includes information of the cellular backhaul spectrum resource A allocated by the macrocell 110 to the first node 121, and the notification information sent to the second node 122 includes the macrocell 110 allocating the second node 122.
  • the information of the cellular backhaul spectrum resource enables the first node 121 to simultaneously use the allocated cellular backhaul spectrum resource A and the WiFi backhaul frequency resource to transmit the total amount of data to be transmitted, equal to or close to the second node 122.
  • the total amount of data to be transmitted that is transmitted back using the allocated cellular backhaul spectrum resource and the WiFi backhaul spectrum resource.
  • the first node 121 After receiving the notification information, the first node 121 obtains, from the notification information, the cellular backhaul spectrum resource allocated by the macro cell 110 for the first node 121 and uses the cellular backhaul spectrum resource A for backhaul, and also uses WiFi backhaul. The resource is returned.
  • the second node 122 After receiving the notification information, the second node 122 obtains the cellular backhaul spectrum resource allocated by the macro cell 110 for the second node 122 from the notification information, and uses the cellular backhaul spectrum resource for backhaul, and also uses the WiFi backhaul spectrum resource. Carry out a return.
  • the macro cell receives the request information sent by the at least two nodes, and dynamically allocates the available backhaul spectrum resources to the requesting node according to the transmission rate of the WiFi backhaul link in the request information, so that each node The total transmission rate meets the predetermined requirements, and the cellular backhaul spectrum resources can be allocated reasonably, so that the backhaul performance of each node is similar, and the transmission quality of the network is improved.
  • the request information further includes the total amount of data to be transmitted of the node
  • the macro cell may dynamically allocate the available backhaul spectrum resources according to the total amount of data to be transmitted of each node and the transmission rate of the WiFi backhaul link.
  • the requested node is such that the total amount of data to be transmitted of each node is the same or nearly the same, and the quality of service is guaranteed.
  • FIG. 2 is a schematic structural diagram of an apparatus for allocating a backhaul resource according to the present application.
  • the present embodiment is described from the perspective of a device that allocates a backhaul resource, wherein the device that allocates the backhaul resource may be a macro cell.
  • the apparatus for allocating the backhaul resource in this embodiment includes a receiving module 210, an allocating module 220, and a receiving module 230.
  • two nodes are taken as an example for description, and in other embodiments, more nodes may be included.
  • the receiving module 210 is configured to receive request information sent by at least two nodes, where the request information is used by one of the at least two nodes to request information for acquiring a cellular backhaul spectrum resource. For example, when the backhaul capability of the WiFi backhaul link of the node cannot meet the user requirement, and the request information is sent to the macro cell to request to acquire the cellular backhaul spectrum resource, the receiving module 210 receives the request information sent by at least two nodes. The request information is one of the at least two nodes for requesting to acquire information of the cellular backhaul spectrum resource.
  • the first node when the first node determines that the backhaul capability of the WiFi backhaul link cannot satisfy the user's needs, the first node sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used to perform the backhaul. pass.
  • the request information is information used by the first node of the at least two nodes to request to acquire the cellular backhaul spectrum resource.
  • the second node When the second node determines that the backhaul capability of the WiFi backhaul link cannot meet the user's requirements, the second node sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used for backhaul.
  • the request information is information used by the second node of the at least two nodes to request to acquire the cellular backhaul spectrum resource.
  • the receiving module 210 receives the request information sent by the first node and the second node.
  • the allocating module 220 is configured to allocate, according to the request information received by the receiving module 210, at least two nodes, a cellular backhaul spectrum resource that satisfies a predetermined requirement that a total transmission rate of each of the at least two nodes is met.
  • the total transmission rate includes the transmission rate of the WiFi backhaul link of the node and the transmission rate of the cellular backhaul link.
  • the root The cellular backhaul spectrum resources are allocated to at least two nodes according to the request information, so that the total transmission rate of each of the at least two nodes meets a predetermined requirement.
  • the total transmission rate includes the transmission rate of the WiFi backhaul link of the node and the transmission rate of the cellular backhaul link.
  • the predetermined requirement that the total transmission rate of each node meets is set by the user according to actual needs, and there is no limitation on this.
  • the transmission rate of the WiFi backhaul link of the node that sends the request information may be included in the request information, or may be obtained by the macro cell after receiving the request information, and the specific acquisition manner is not limited.
  • the sending module 230 is configured to send notification information to at least two nodes, where the notification information includes information of the cellular backhaul spectrum resources allocated by the allocation module 220 for the corresponding node. For example, after the allocating module 220 allocates the cellular backhaul spectrum resources to the at least two nodes, the sending module 230 sends the notification information to the at least two nodes, where the notification information includes the cellular backhaul spectrum allocated by the allocating module 220 for the requesting node. Resource information.
  • the sending module 230 sends the notification information to the first node and the second node, respectively.
  • the notification information includes information of the cellular backhaul spectrum resources allocated by the allocating module 220 for the requesting node, so that the first node and the second node can use the respective allocated cellular backhaul spectrum resources for backhaul.
  • the macro cell receives the request information sent by the at least two nodes, and dynamically allocates the available backhaul spectrum resources to the requesting node according to the request information, so that the total transmission rate of each of the at least two nodes meets the predetermined schedule. It is required that the cellular backhaul spectrum resources can be allocated reasonably, so that the backhaul performance of each node is similar, and the transmission quality of the network is improved.
  • the request information includes request information of one of the at least two nodes to acquire the cellular backhaul spectrum resource and a transmission rate of the WiFi backhaul link.
  • the request information for obtaining the cellular backhaul spectrum resource is used to identify that the message is request information for the node requesting to acquire the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link is used to enable the macro cell to send the request information according to the transmission rate.
  • At least two nodes allocate cellular backhaul spectrum resources. It can be understood that the node obtains the request information of the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link of the node may be distributed in the same request information, or may be distributed in different request information.
  • the first node when it determines that the backhaul capability of its WiFi backhaul link cannot meet the user's needs, it sends request information to the macro cell to request to acquire the cellular backhaul spectrum resource, thereby enabling The cell backhaul spectrum resources are used for backhaul.
  • the request information is information that the first node of the at least two nodes is used to request to acquire the cellular backhaul spectrum resource.
  • the request information includes request information for the first node to acquire the cellular backhaul spectrum resource, and a transmission rate of the WiFi backhaul link of the first node.
  • the second node When the second node determines that the backhaul capability of the WiFi backhaul link cannot meet the user's requirements, the second node sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used for backhaul.
  • the request information is information used by the second node of the at least two nodes to request to acquire the cellular backhaul spectrum resource.
  • the request information includes request information for the second node to acquire the cellular backhaul spectrum resource, and a transmission rate of the second node's WiFi backhaul link.
  • the receiving module 210 receives the request information sent by the first node and the second node.
  • the allocating module 220 is configured to allocate, according to the request information received by the receiving module 210, the at least two nodes to the total transmission rate of each of the at least two nodes according to the transmission rate of the WiFi backhaul link in the request information.
  • the total transmission rate includes the transmission rate of the WiFi backhaul link of the node and the transmission rate of the cellular backhaul link.
  • the total transmission rate meets the predetermined requirement as follows: The total transmission rate is a preset value; or, the total transmission rate of at least two nodes is the same.
  • the allocation module 220 when the allocation module 220 obtains the request information for acquiring the cellular backhaul spectrum resource from the request information received by the receiving module 210, the allocation module 220 identifies the node as a node requesting to acquire the cellular backhaul spectrum resource. After obtaining the transmission rate of the WiFi backhaul link of each node requesting to acquire the cellular back spectrum resource, assigning a cellular backhaul spectrum resource to each node according to the transmission rate of the WiFi backhaul link of the at least two nodes, The total transmission rate of the requesting node and other nodes is made to meet the predetermined requirements.
  • the total transmission rate meets the predetermined requirement, specifically: the total transmission rate is a preset value; or, the total transmission rate of at least two nodes is the same.
  • the distribution module 220 receives the request information sent by the first node and the second node received by the receiving module 210, and obtains the information about acquiring the cellular backhaul spectrum resource from the request information sent by the first node and the second node,
  • the first node and the second node are identified as nodes requesting to acquire cellular backhaul spectrum resources.
  • Acquiring request information from the first node to the first node sends the WiFi backhaul link transmission rate request information transmitted from the second node of the acquired node WiFi backhaul link transmission rate of 2.
  • the total transmission rate satisfies the predetermined requirement, specifically, the total transmission rate of at least two nodes is the same:
  • the distribution module 220 obtains the transmission rate of the WiFi backhaul link of the first node and the transmission rate of the WiFi backhaul link of the second node, according to the transmission transmission rate and transmission rate of the WiFi backhaul link! ⁇ , the backhaul resources that can be allocated are prorated to the first node and the second node, so that the total transmission rates of the first node and the second node are equal or nearly the same.
  • the transmission rate of the node's WiFi backhaul link is larger, then the number of cellular backhaul spectrum resources allocated by the allocation module 220 to the node is less. among them,
  • the total transmission rate is dynamically changed, and the allocating module 220 is configured to be the first node and the second according to the transmission rate of the WiFi backhaul link of the first node and the transmission rate of the WiFi backhaul link of the second node.
  • the node dynamically allocates cellular backhaul spectrum resources.
  • the allocation module 220 allocates the cellular backhaul spectrum resources for each node, and the transmission rate of the WiFi backhaul link with each node, V.
  • the allocating module 220 allocates a cellular backhaul spectrum resource for each node.
  • the allocation module 220 calculates the total transmission rate and the WiFi of the node. The difference in the transmission rate of the backhaul link is obtained, thereby obtaining the transmission rate of the cellular backhaul link of the node. For example, if the total transmission rate is ⁇ , then the transmission rate of the cellular backhaul link of the first node is the transmission rate of the cellular backhaul link of the second node is v & -v 2 ).
  • the backhaul resource allocates cellular backhaul spectrum resources to each node in proportion according to the transmission rate of the cellular backhaul link of each node, so that the total transmission rate of the node that issues the request information is the same or nearly the same as other nodes. among them,
  • the ratio of the cellular backhaul spectrum resource A allocated by the allocation module 220 to the first node to the cellular backhaul spectrum resource allocated to the second node is equal to or close to, the transmission rate of the cellular backhaul link of the first node - and the second The ratio of the transmission rate (V total - V) of the node's cellular backhaul link, ie, ⁇ L.
  • V total - V the transmission rate of the node's cellular backhaul link
  • the allocation module 220 allocates the cellular backhaul spectrum resources allocated to each node, the relationship between B 2 and B 3 and the transmission rate (V total - v 2 ) and ( - 3 ) of the cellular backhaul link of each node. for:
  • B x B 2 : B 3 blue ( V - V : ( V & - V 2 ) : ( V & - V 3 ).
  • the allocation module 220 and so on, allocate cellular backhaul spectrum resources for each node.
  • the sending module 230 is configured to send notification information to at least two nodes, where the notification information includes information of the cellular backhaul spectrum resources allocated by the allocation module 220 for the corresponding node. For example, after the allocating module 220 allocates the cellular backhaul spectrum resources to the at least two nodes, the sending module 230 sends the notification information to the at least two nodes, where the notification information includes the cellular backhaul spectrum allocated by the allocating module 220 for the requesting node. Resource information.
  • the sending module 230 sends the notification information to the first node and the second node, respectively.
  • the notification information sent to the first node 121 includes the information of the cellular backhaul spectrum resource A allocated by the allocation module 220 for the first node
  • the notification information sent to the second node includes the cellular backhadow allocated by the allocation module 220 for the second node.
  • the information of the spectrum resource is such that the sum of the transmission rate of the first node using the allocated cellular backhaul resource A for backhaul and the transmission rate of the WiFi backhaul link is close to or equal to, and the second node uses the allocated cell.
  • the sum of the transmission rate of the backhaul spectrum resource for backhaul and the transmission rate of the WiFi backhaul link is such that the sum of the transmission rate of the backhaul spectrum resource for backhaul and the transmission rate of the WiFi backhaul link.
  • the macro cell receives the request information sent by the at least two nodes, and dynamically allocates the available backhaul spectrum resources to the requesting node according to the transmission rate of the WiFi backhaul link in the request information, so that each node The total transmission rate meets the predetermined requirements, and the bees can be allocated reasonably
  • the nest returns the spectrum resources, so that the backhaul performance of each node is similar, and the transmission quality of the network is improved.
  • the request information received by the receiving module 210 further includes a total amount of data to be transmitted.
  • the allocating module 220 is further configured to allocate a cellular backhaul spectrum resource to the node according to the transmission rate of the WiFi backhaul link of the node in the request information and the total amount of data to be transmitted, so that the node and other nodes have to be transmitted data.
  • the total amount is the same.
  • the allocating module 220 obtains the transmission rate of the WiFi backhaul link of the node and the total amount of data to be transmitted from the request information received by the receiving module 210, and according to the transmission rate of the WiFi backhaul link of the node and the data to be transmitted.
  • the total amount, the cellular backhaul spectrum resource is allocated to the requesting node, so that the node has the same total amount of data to be transmitted with other nodes.
  • the request information of the node to obtain the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link of the node, and the total amount of the data to be transmitted by the node may be distributed in the same request information, or may be distributed in different Request information.
  • the allocating module 220 obtains the request information for acquiring the cellular backhaul spectrum resource from the request information sent by the first node and the second node.
  • the first node and the second node are identified as nodes requesting to acquire cellular backhaul spectrum resources.
  • the rate J 2 and the total amount of data to be transmitted are obtained by the distribution module 220, the transmission rate of the WiFi backhaul link of the first node, the total amount of data to be transmitted, the transmission rate of the WiFi backhaul link of the second node, and the data to be transmitted.
  • the allocated backhaul resources are proportionally allocated to the first A node and a second node, such that the total amount of data to be transmitted of the first node and the second node is the same or nearly the same.
  • the node that sends the request information the same or nearly the same as the total amount of data to be transmitted of other nodes, if the total amount of data to be transmitted of the node is larger, the total transmission rate that the allocation module 220 needs to allocate for the node is larger; After the total transmission rate is allocated, if the transmission rate of the WiFi backhaul link of the node is larger, the transmission rate of the cellular backhaul link of the node is smaller, and the allocation module 220 The fewer cellular backhaul resources allocated for this node.
  • the allocating module 220 allocates a total transmission rate for the first node and the second node respectively according to the total amount of data to be transmitted of the first node and the total amount of data to be transmitted of the second node.
  • the allocation module 220 allocates the total transmission rate ⁇ ⁇ 2 for the first node and the second node respectively, according to the transmission rate of the WiFi backhaul link of the first node and the transmission rate of the WiFi backhaul link of the second node.
  • the transmission rates of the cellular backhaul links of the first node and the second node are respectively calculated.
  • the transmission rate of the cellular backhaul link of the first node is ( ⁇ 2 - ⁇ 2 ).
  • the allocation module 220 calculates the transmission rate of the cellular backhaul link of the first node and the second node, according to the transmission rate of the cellular backhaul link of the first node and the second node, the backhaul resources that can be allocated are allocated.
  • the first node and the second node are proportionally allocated, so that when the first node and the second node simultaneously use the cellular backhaul spectrum resource and the WiFi spectrum resource for backhaul, the total amount of data to be transmitted is the same or nearly the same.
  • the ratio of the cellular backhaul spectrum resource A allocated to the first node to the cellular backhaul spectrum resource allocated to the second node is equal to or close to the transmission rate of the cellular backhaul link of the first node (V 1 -V) a ratio of a transmission rate transmission rate ( 2 - 2 ) of the cellular backhaul link of the second node, that is, ⁇ .
  • the resource is backhauled, and the second node uses the cellular backhaul spectrum resource and the WiFi backhaul spectrum resource to perform backhaul, and can make the total amount of data to be transmitted of the first node and the second node the same or nearly the same.
  • the receiving module 210 when the receiving module 210 receives the request information of the three nodes, the total transmission rate ⁇ , ⁇ 2 , 3 allocated by each module to each node, and the total amount of data to be transmitted of each node,
  • the relationship is: V : V ⁇ S,: S 2 : S , and, the cellular backhaul spectrum resources allocated to each node, B 2 , and the transmission rate of the cellular backhaul link with each node (v &l -v)
  • the allocation module 220 When the receiving module 210 receives the request information of 4 or more nodes, the allocation module 220 And so on, each node is assigned a cellular backhaul resource.
  • the sending module 230 is configured to send notification information to at least two nodes, where the notification information includes information of the cellular backhaul spectrum resources allocated by the allocation module 220 for the corresponding node. For example, after the allocating module 220 allocates the cellular backhaul spectrum resources to the at least two nodes, the sending module 230 sends the notification information to the at least two nodes, where the notification information includes the cellular backhaul spectrum allocated by the allocating module 220 for the requesting node. Resource information.
  • the sending module 230 sends the notification information to the first node and the second node, respectively.
  • the notification information sent to the first node includes information of the cellular backhaul spectrum resource A allocated by the allocation module 220 for the first node
  • the notification information sent to the second node includes the cellular backhaul allocated by the allocation module 220 for the second node.
  • the information of the spectrum resource which enables the first node to use the allocated cellular backhaul spectrum resource A and the WiFi backhaul spectrum resource to transmit back the total amount of data to be transmitted, which is equal to or close to, and the second node uses the allocated cellular backhaul spectrum resource. ⁇ and the total amount of data to be transmitted backed by the WiFi backhaul spectrum resource.
  • the macro cell receives the request information sent by at least two nodes, and dynamically allocates the available backhaul spectrum resources to the requesting node according to the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted in the request information. Therefore, the total amount of data to be transmitted of each node is the same or nearly the same, and the cellular backhaul spectrum resources can be allocated reasonably, so that the backhaul performance of each node is similar, the transmission quality of the network is improved, and the service quality is guaranteed.
  • FIG. 3 is a schematic structural diagram of an embodiment of a backhaul device of the present application.
  • the backhaul device can be a small base station or an access point.
  • the backhaul apparatus of this embodiment includes a transmitting module 310, a control module 320, and a receiving module 330.
  • the sending module 310 is configured to send request information, where the request information is information for requesting acquisition of a cellular backhaul spectrum resource, so that the macro cell allocates a cellular backhaul spectrum resource for the node that sends the request information according to the requested information.
  • the sending module 310 sends the request information to the macro cell to request to acquire the cellular backhaul spectrum resource.
  • the request information is information for requesting acquisition of a cellular backhaul spectrum resource.
  • the request information includes request information for the node to acquire the cellular backhaul spectrum resource, and a transmission rate of the WiFi backhaul link of the node.
  • the request information for obtaining the cellular backhaul spectrum resource is used to identify that the message is request information for the node to request the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link of the node is used to enable the macro cell to obtain the WiFi according to the node in the request information.
  • the transmission rate of the backhaul link allocates cellular backhaul spectrum resources to the node that sends the request information. It can be understood that the request information of the node to obtain the cellular backhaul spectrum resource and the transmission rate of the WiFi backhaul link of the node may be distributed in the same request information or may be distributed in different request information.
  • the control sending module 310 sends the request information to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cellular backhaul can be used.
  • the spectrum resources are returned.
  • the request information is information for requesting acquisition of a cellular backhaul spectrum resource.
  • the request information may further include request information that the node acquires the cellular backhaul spectrum resource, and a transmission rate of the WiFi backhaul link of the node, so that the macro cell can obtain the request information according to the cellular backhaul spectrum resource.
  • the node that sends the request information is a node that requests to obtain the cellular backhaul spectrum resource, and allocates the cellular backhaul spectrum resource to the requesting node according to the transmission rate of the WiFi backhaul link of the at least two nodes.
  • the receiving module 330 is configured to receive the notification information, wherein the notification information includes the allocated information of the cellular backhaul spectrum resource that enables the total transmission rate to meet the predetermined requirement.
  • the total transmission rate is the sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link.
  • the receiving module 330 receives the notification sent by the macro cell. information.
  • the notification information includes information allocated by the macro cell to the node for the cellular backhaul spectrum resource that satisfies the predetermined transmission rate.
  • the total transmission rate is the sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link.
  • the total transmission rate satisfies the predetermined requirement as follows: The total transmission rate of the node is the same as or close to the preset fixed value, or the total transmission rate of at least two nodes is the same.
  • the control module 320 is configured to perform backhaul using the cellular backhaul resource included in the notification information received by the receiving module 330, and the WiFi backhaul spectrum resource.
  • the control module 320 is connected.
  • the notification information received by the receiving module 330 obtains the information of the cellular backhaul spectrum resource allocated by the macro cell for the node, and uses the allocated cellular backhaul spectrum resource for backhaul, and also uses the WiFi backhaul spectrum resource for backhaul.
  • the control module 320 uses the allocated cellular backhaul spectrum resource to be equal to or close to, the sum of the transmission rate of the other node using the allocated cellular backhaul spectrum resource for backhaul, and the transmission rate of the backhaul using the WiFi backhaul spectrum resource.
  • the request information is sent to the macro cell to request to obtain the cellular backhaul spectrum resource for backhaul, where the request information includes the WiFi backhaul link of the node.
  • Transmission rate Enables the macro cell to dynamically allocate the available backhaul spectrum resources to the requesting node according to the transmission rate of the WiFi backhaul link in the request information sent by the at least two nodes, so that the total transmission rate of the node and other nodes is satisfied. Scheduled requirements to improve the transmission quality of the network.
  • the request information sent by the sending module 310 further includes a total amount of data to be transmitted, where a transmission rate of the WiFi backhaul link and a total amount of data to be transmitted are used to enable the macro cell to perform a WiFi backhaul chain.
  • the transmission rate of the path and the total amount of data to be transmitted are allocated to the node by the cellular backhaul spectrum resource, so that the node and the other nodes have the same total amount of data to be transmitted.
  • the request information is sent to the macro cell to request to acquire the cellular backhaul spectrum resource, where the request information includes the node acquiring the cellular backhaul spectrum.
  • the node obtains the request information of the cellular backhaul spectrum resource for enabling the macro cell to identify the node that sends the request information as the node requesting to acquire the cellular backhaul spectrum resource according to the request information for acquiring the cellular backhaul spectrum resource.
  • the transmission rate of the WiFi backhaul link of the node and the total amount of data to be transmitted are used to enable the macro cell to receive the request information sent by the at least two nodes, and identify that at least two nodes obtain the cellular backhaul spectrum resource for requesting.
  • the requesting node is allocated a cellular backhaul spectrum resource, so that the node and other nodes have to be transmitted data. The total amount is the same.
  • the request information of the node to obtain the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link of the node, and the total amount of the data to be transmitted by the node may be distributed in the same request information, or may be distributed in different Request information.
  • the control module 320 is configured to use the cellular backhaul resource included in the notification information received by the receiving module 330, and the WiFi backhaul spectrum resource to perform backhaul. For example, the control module 320 obtains the macrocell from the notification information received by the receiving module 330. Information about the cellular backhaul spectrum resources allocated for the node, and using the allocated cellular backhaul spectrum resources for backhaul, and also using WiFi backhaul spectrum resources for backhaul.
  • control module 320 uses the allocated cellular backhaul spectrum.
  • the total amount of data to be transmitted returned by the resource and the WiFi backhaul spectrum resource is equal to or close to, and the other nodes use the allocated cellular backhaul resource and the WiFi back-frequency "resource" to transmit the total amount of data to be transmitted.
  • the request information is sent to the macro cell to request to obtain the cellular backhaul spectrum resource for backhaul, where the request information includes the WiFi backhaul link of the node. Transmission rate and total amount of data to be transmitted. And enabling the macro cell to dynamically allocate the available backhaul spectrum resources to the requesting node according to the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted in the request information sent by the at least two nodes, so that each node waits for The total amount of transmitted data is the same or nearly the same, improving the transmission quality of the network and guaranteeing the quality of service.
  • FIG. 4 is a flowchart of an embodiment of a method for allocating a backhaul resource according to the present application.
  • the executor of this embodiment is a device that allocates a backhaul resource, and the device that allocates the backhaul resource may be a macrocell.
  • two nodes are taken as an example for description, and in other embodiments, more nodes may be included. This embodiment includes the following steps:
  • S401 Receive request information sent by at least two nodes, where the request information is information used by one of the at least two nodes to request to acquire a cellular backhaul spectrum resource.
  • the macro cell When the backhaul capability of the WiFi backhaul link of the node cannot meet the user's requirement, and the macro cell sends the request information to request to acquire the cellular backhaul spectrum resource, the macro cell receives the request information sent by at least two nodes.
  • the request information is used by one of the at least two nodes to request information about the cellular backhaul spectrum resource.
  • the first node when the first node determines that the backhaul capability of the WiFi backhaul link cannot satisfy the user's needs, the first node sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used to perform the backhaul. pass.
  • the request information is information used by the first node of the at least two nodes to request to acquire the cellular backhaul spectrum resource.
  • the second node When the second node determines that the backhaul capability of the WiFi backhaul link cannot satisfy the user demand, the second node sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the bee can be used.
  • the nest returns the spectrum resources for backhaul.
  • the request information is used by the second node of the at least two nodes to request information about the cellular backhaul spectrum resource.
  • the macro cell receives the request information sent by the first node and the second node, where the request information is used by each of the at least two nodes to request information for acquiring the cellular backhaul spectrum resource.
  • the at least two nodes are allocated, according to the request information, a cellular backhaul spectrum resource that satisfies a predetermined requirement for a total transmission rate of each of the at least two nodes, where the total transmission rate includes WiFi.
  • the transmission rate of the backhaul link and the transmission rate of the cellular backhaul link are allocated, according to the request information, a cellular backhaul spectrum resource that satisfies a predetermined requirement for a total transmission rate of each of the at least two nodes, where the total transmission rate includes WiFi.
  • the macro cell After acquiring the request information sent by the at least two nodes, the macro cell allocates the cellular backhaul spectrum resources to the at least two nodes according to the request information, so that the total transmission rate of each of the at least two nodes meets the predetermined requirement.
  • the total transmission rate includes the transmission rate of the WiFi backhaul link of the node and the transmission rate of the cellular backhaul link.
  • the predetermined requirement that the total transmission rate of each node meets is set by the user according to actual needs, and there is no limitation on this.
  • the transmission rate of the WiFi backhaul link of the node that sends the request information may be included in the request information, or may be obtained by the macro cell after receiving the request information, and the specific acquisition manner is not limited.
  • S403 Send notification information to the at least two nodes, where the notification information includes information of a cellular backhaul spectrum resource allocated for the corresponding node.
  • the notification information is sent to at least two nodes, wherein the notification information includes information of the cellular backhaul spectrum resources allocated for the corresponding node.
  • the notification information is sent to the first node and the second node respectively.
  • the notification information includes information of the cellular backhaul spectrum resources allocated by the allocating module 220 for the requesting node, so that the first node and the second node can perform backhaul using the allocated cellular backhaul spectrum resources.
  • the macro cell receives the request information sent by the at least two nodes, and dynamically allocates the available backhaul spectrum resources to the requesting node according to the request information, so that the total transmission rate of each of the at least two nodes meets the predetermined schedule. It is required that the cellular backhaul spectrum resources can be allocated reasonably, so that the backhaul performance of each node is similar, and the transmission quality of the network is improved.
  • FIG. 5 is a flowchart of another embodiment of a method for allocating a backhaul resource according to the present application.
  • Executive body of the present embodiment For the device that allocates the backhaul resource, the device that allocates the backhaul resource may be a macro cell.
  • two nodes are taken as an example for description, and in other embodiments, more nodes may be included. This embodiment includes the following steps:
  • S501 Receive request information sent by at least two nodes, where the request information is used by one of the at least two nodes to request information for acquiring a cellular backhaul spectrum resource, where the request information includes the at least two One of the nodes obtains the request information of the cellular backhaul spectrum resource and the transmission rate of the WiFi backhaul link.
  • the macro cell When the backhaul capability of the WiFi backhaul link of the node cannot meet the user's requirement, and the macro cell sends the request information to request to acquire the cellular backhaul spectrum resource, the macro cell receives the request information sent by at least two nodes.
  • the request information is used by one of the at least two nodes to request to obtain information about the cellular backhaul spectrum resource, where the request information includes request information for the node to obtain the cellular backhaul spectrum resource, and the WiFi backhaul link of the node. Transmission rate.
  • the request information for obtaining the cellular backhaul spectrum resource is used to identify that the message is request information for the node requesting to acquire the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link is used to enable the macro cell to send the request information according to the transmission rate.
  • the nodes allocate cellular backhaul spectrum resources. It can be understood that the request information of the node to obtain the cellular backhaul spectrum resource and the transmission rate of the WiFi backhaul link of the node may be distributed in the same request information or may be distributed in different request information.
  • the first node when the first node determines that the backhaul capability of the WiFi backhaul link cannot satisfy the user's needs, the first node sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used to perform the backhaul. pass.
  • the request information is information used by the first node of the at least two nodes to request to acquire the cellular backhaul spectrum resource.
  • the request information includes request information for acquiring the cellular backhaul spectrum resource by the first node and a transmission rate of the WiFi backhaul link of the first node.
  • the second node When the second node determines that the backhaul capability of the WiFi backhaul link cannot meet the user's requirements, the second node sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used for backhaul.
  • the request information is that the first node of the at least two nodes is used to request to obtain information about the cellular backhaul spectrum resource, where the request information includes request information for acquiring the cellular backhaul spectrum resource by the second node, and the WiFi backhaul chain of the second node.
  • the transmission rate of the road is that the first node of the at least two nodes is used to request to obtain information about the cellular backhaul spectrum resource, where the request information includes request information for acquiring the cellular backhaul spectrum resource by the second node, and the WiFi backhaul chain of the second node.
  • the request information for obtaining the cellular backhaul spectrum resource is used to identify that the message is request information for the node requesting to acquire the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link is used to enable the macro cell to enable the macro cell to At the transmission rate, the at least two nodes transmitting the request information are allocated cellular backhaul spectrum resources such that the node transmitting the request information has the same total transmission rate as the other nodes, or the total transmission rate of the node meets the predetermined requirement.
  • the macro cell receives the request information sent by the first node and the second node.
  • S502 allocate, according to a transmission rate of the WiFi backhaul link in the request information, a cellular backhaul spectrum that enables the at least two nodes to satisfy a predetermined transmission rate of a total transmission rate of each of the at least two nodes.
  • the resource, where the total transmission rate includes a transmission rate of a WiFi backhaul link and a transmission rate of a cellular backhaul link.
  • the macro cell When the macro cell obtains the request information for acquiring the cellular backhaul spectrum resource from the received request information, the macro cell identifies the node as a node requesting to acquire the cellular backhaul spectrum resource. After obtaining the transmission rate of the WiFi backhaul link of each node requesting to obtain the cellular backhaul spectrum resource, each node is allocated a cellular backhaul spectrum resource according to the transmission rate of the WiFi backhaul link of each node, so as to issue The total transmission rate of the requested node and other nodes meets the predetermined requirements. Wherein, the total transmission rate satisfies the predetermined requirement: the total transmission rate is a preset value; or, the total transmission rate of at least two nodes is the same.
  • the macro cell receives the request information sent by the first node and the second node, and obtains the information of the cellular backhaul spectrum resource from the request information sent by the first node and the second node, and the first node and the second node are obtained.
  • the node is identified as a node requesting to acquire a cellular backhaul spectrum resource.
  • the transmission rate of the WiFi backhaul link of the first node is obtained from the request information sent by the first node
  • the transmission rate J 2 of the WiFi backhaul link of the second node is obtained from the request information sent by the second node.
  • the total transmission rate of at least two nodes is the same:
  • the macro transmission may be allocated according to the transmission transmission rate and the transmission rate of the WiFi backhaul link.
  • the resources are prorated to the first node and the second node such that the total transmission rates of the first node and the second node are equal or nearly the same.
  • the more the allocated backhaul spectrum resources are allocated the larger the transmission rate of the cellular backhaul link is.
  • the cellular backhaul spectrum resources allocated by the macro cell to the node are less.
  • the total transmission rate is dynamically changed, and the macro cell is the first node and the second node according to the transmission rate of the WiFi backhaul link of the first node and the transmission rate of the WiFi backhaul link of the second node. Dynamic allocation of cellular backhaul spectrum resources.
  • the macro cell when the macro cell receives the request information of the three nodes, the cellular backhaul spectrum resources allocated to each node, ⁇ 2 , the transmission rate of the WiFi backhaul link with each node, V 2 , 3
  • the relationship is: B 1: B 2 : B 3 ⁇ V 3 : V 2 : .
  • each node is allocated a cellular backhaul spectrum resource.
  • the total transmission rate is a preset value: after acquiring the transmission rate of the WiFi backhaul link of each node, the macro cell calculates the total transmission rate and the WiFi backhaul of the node. The difference in the transmission rate of the link, thereby obtaining the transmission rate of the cellular backhaul link of the node. For example, if the total transmission rate is ⁇ , then the transmission rate of the cellular backhaul link of the first node is the transmission rate of the cellular backhaul link of the second node is v & -v 2 ).
  • the backhaul resources that can be allocated are based on the cellular of each node.
  • the transmission rate of the backhaul link allocates cellular backhaul spectrum resources to each node proportionally, so that the total transmission rate of the node that sends the request information is the same or nearly the same as the other nodes. among them,
  • the ratio of the cellular backhaul spectrum resource allocated by the macro cell to the first node to the cellular backhaul spectrum resource allocated to the second node is equal to or close to the transmission rate of the cellular backhaul link of the first node (V total - ⁇ )
  • the ratio of the transmission rate (V total - V) of the cellular backhaul link of the second node that is, ⁇ L.
  • the relationship between the cellular backhaul spectrum resources allocated to each node, ⁇ 2 , the transmission rate of the cellular backhaul link of each node, (V total - V), and (V total - V) is: ⁇ ⁇ : B 2 : B 3 blue V - : ( V & - V 2 ) : ( V & - V 3 ).
  • each node is allocated a cellular backhaul spectrum resource.
  • S503 Send notification information to the at least two nodes, where the notification information includes information of a cellular backhaul spectrum resource allocated for the corresponding node.
  • the notification information is sent to at least two nodes, wherein the notification information includes information of the cellular backhaul spectrum resources allocated for the corresponding node.
  • the notification information is sent to the first node and the second node respectively.
  • the notification information includes information of a cellular backhaul spectrum resource allocated by the macro cell to the requesting node, so that the first node and the second node can perform backhaul using the allocated cellular backhaul spectrum resources.
  • Spectrum cellular backhaul resource information A cellular backhaul spectrum resource notification information transmitted to the first node comprises a macro node is assigned, the notification information transmitted to the second node comprises a macro is assigned to the second node B 2
  • the information can be such that the sum of the transmission rate of the first node using the cellular backhaul spectrum resource A for backhaul and the transmission rate of the WiFi backhaul link is close to or equal to, and the second node uses the cellular backhaul "resource" for backhaul.
  • the transmission rate is the sum of the transmission rate of the WiFi backhaul link.
  • the macro cell receives the request information sent by at least two nodes, and dynamically allocates the available backhaul spectrum resources to the requesting node according to the transmission rate of the WiFi backhaul link in the request information, so that each node The total transmission rate meets the predetermined requirements, and the cellular backhaul spectrum resources can be allocated reasonably, so that the backhaul performance of each node is similar, and the transmission quality of the network is improved.
  • FIG. 6 is a flowchart of still another embodiment of the method for allocating a backhaul resource according to the present application.
  • the executor of the present embodiment is a device that allocates a backhaul resource, and the device that allocates the backhaul resource may be a macrocell.
  • two nodes are taken as an example, and in other embodiments, more nodes may be included. This embodiment includes the following steps:
  • S601 Receive request information sent by at least two nodes, where the request information is used by one of the at least two nodes to request to acquire information of a cellular backhaul spectrum resource, where the request information includes the at least two One of the nodes obtains the request information of the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link, and the total amount of data to be transmitted.
  • the macro cell When the backhaul capability of the WiFi backhaul link of the node cannot meet the user's requirement, and the macro cell sends the request information to request to acquire the cellular backhaul spectrum resource, the macro cell receives at least two nodes. Request information sent. The request information is used by one of the at least two nodes to request to obtain information about the cellular backhaul spectrum resource, where the request information includes request information for acquiring the cellular backhaul spectrum resource, and transmission of the WiFi backhaul link of the node. Rate and total amount of data to be transmitted.
  • the request information for obtaining the cellular backhaul spectrum resource is used to identify that the message is request information for the node to request to obtain the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted are used to enable the macro cell to perform the transmission.
  • the rate and the total amount of data to be transmitted, the node that sends the request information is allocated a cellular backhaul spectrum resource, so that the node that issues the request information has the same total amount of data to be transmitted of other nodes.
  • the request information of the node to obtain the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link of the node, and the total amount of the data to be transmitted by the node may be distributed in the same request information, or may be distributed in different Request information.
  • the first cell when the first node determines that the backhaul capability of the WiFi backhaul link cannot satisfy the user demand, the first cell sends a request message to the macro cell to request to acquire the cellular backhaul spectrum resource, where the request information includes the first node acquiring the cell.
  • the request information of the spectrum resource is returned and the transmission rate of the WiFi backhaul link of the first node and the total amount of data to be transmitted.
  • the request information is sent to the macro cell to request to acquire the cellular backhaul spectrum resource, where the request information includes the second node acquiring the cellular backhaul.
  • the request information for obtaining the cellular backhaul spectrum resource is used to identify that the message is request information for the node requesting to acquire the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link is used to enable the macro cell to perform at least two according to the transmission rate.
  • the node that sent the request information allocates a cellular backhaul spectrum resource.
  • the macro cell receives the request information sent by the first node and the second node.
  • S602 Allocating a cellular backhaul spectrum resource to the node according to a transmission rate of the WiFi backhaul link and the total amount of data to be transmitted in the request information, so that the node and other nodes are to be transmitted.
  • the amount of data is the same.
  • the macro cell When the macro cell obtains the request information for acquiring the cellular backhaul spectrum resource from the received request information, the macro cell identifies the node as a node requesting to acquire the cellular backhaul spectrum resource. And obtaining, from the request information sent by the node that requests the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link of the node and the total amount of data to be transmitted, and according to the transmission rate of the WiFi backhaul link of the node. The total amount of data to be transmitted, the cellular backhaul spectrum resource is allocated to the requesting node to make the node The same amount of data to be transmitted as other nodes.
  • the macro cell After receiving the request information sent by the first node and the second node, the macro cell obtains the request information for acquiring the cellular backhaul spectrum resource from the request information sent by the first node and the second node, and the first node is obtained. And the second node is identified as a node requesting to acquire a cellular backhaul spectrum resource. Acquiring the transmission rate of the WiFi backhaul link of the first node and the total amount of data to be transmitted from the request information sent by the first node, and acquiring the transmission of the WiFi backhaul link of the second node from the request information sent by the second node Rate and total amount of data to be transmitted.
  • the macro cell After the macro cell acquires the transmission rate of the WiFi backhaul link of the first node and the total amount of data to be transmitted, the transmission rate of the WiFi backhaul link of the second node, and the total amount of data to be transmitted, according to the WiFi backhaul chain
  • the transmission transmission rate of the road and the total amount of data to be transmitted, the transmission rate of the WiFi backhaul link, and the total amount of data to be transmitted, the allocated backhaul resources are proportionally allocated to the first node and the second node, thereby making the first
  • the total amount of data to be transmitted of the node and the second node is the same or nearly the same.
  • the node that sends the request information the same or nearly the same as the total amount of data to be transmitted of other nodes, if the total amount of data to be transmitted of the node is larger, then the total transmission rate that the macro cell needs to allocate for the node is larger; After the total transmission rate, if the transmission rate of the WiFi backhaul link of the node is larger, the smaller the transmission rate of the cellular backhaul link of the node, the more the cellular backhaul resource allocated by the macro cell to the node. less.
  • the macro cell allocates a total transmission rate for the first node and the second node respectively according to the total amount of data to be transmitted of the first node and the total amount of data to be transmitted of the second node.
  • the ratio of the total transmission rate allocated by the macrocell to the first node to the total transmission rate ⁇ 2 assigned to the second node is equal to or close to the ratio of the total amount of data to be transmitted and the total amount of data to be transmitted, ie, ⁇ .
  • the macrocell allocates the total transmission rate ⁇ v &2 for the first node and the second node respectively, according to the transmission rate of the WiFi backhaul link of the first node and the transmission rate of the WiFi backhaul link of the second node. 2.
  • the transmission rate of the cellular backhaul link of the first node is (f ⁇ -f
  • the transmission rate of the cellular backhaul link of the second node is (V & 2 - V 2 ).
  • the ratio is allocated to the first node and the second node, so that when the first node and the second node simultaneously use the cellular backhaul spectrum resource and the WiFi spectrum resource for backhaul, the total amount of data to be transmitted is the same or nearly the same.
  • the ratio of the cellular backhaul spectrum resource A allocated to the first node to the cellular backhaul spectrum resource allocated to the second node is equal to or close to the transmission rate (V -V) of the cellular backhaul link of the first node.
  • the macro cell when the macro cell receives the request information of 3 nodes, The relationship between the total transmission rate allocated by each node, v 2 , 3 and the total amount of data to be transmitted of each node, s 2 , is: V & 2 : V ⁇ S,: S 2 : s 3 , and, for each node
  • the cellular backhaul spectrum resource ⁇ , ⁇ 2 , the transmission rate () ⁇ - ⁇ ), (V &2 -V 2 ), (V &3 -V) of the cellular backhaul link of each node is: S 1: B 2 : B ⁇ ( V -V : ( V &2 -V 2 ) : ( V &3 - 3 ).
  • the macro cell receives the request information of 4 or more nodes, and so on, for each The nodes allocate cellular backhaul spectrum resources.
  • the macro information is sent to the first node and the second node respectively.
  • the notification information sent to the first node includes information about the cellular backhaul spectrum resource A allocated by the macro cell to the first node
  • the notification information sent to the second node includes the cellular backhaul spectrum resource allocated by the macro cell to the second node.
  • the information enables the first node to use the allocated cellular backhaul spectrum resource A and the WiFi backhaul spectrum resource for backhaul, and the second node simultaneously uses the allocated cellular backhaul spectrum resource and the WiFi backhaul spectrum resource for backhaul.
  • the total amount of data to be transmitted of the first node and the second node can be made the same or nearly the same.
  • S603 Send notification information to the at least two nodes, where the notification information includes information of a cellular backhaul spectrum resource allocated for the corresponding node.
  • the notification information is sent to the at least two nodes, where the notification information includes information of the cellular backhaul spectrum resources allocated by the macro cell to the requesting node.
  • the notification information sent to the first node includes information about the cellular backhaul spectrum resource A allocated by the macro cell to the first node
  • the notification information sent to the second node includes the cellular backhaul spectrum resource allocated by the macro cell to the second node.
  • the macro cell receives the request information sent by at least two nodes, and dynamically allocates the available backhaul spectrum resources to the requesting request according to the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted in the request information.
  • the nodes make the total amount of data to be transmitted of each node the same or nearly the same, and can reasonably allocate the cellular backhaul spectrum resources, so that the return performance of each node is similar, improve the transmission quality of the network, and ensure the quality of service.
  • FIG. 7 is a flowchart of an embodiment of a method for returning the present application.
  • the executor of this embodiment is a node, which may be a small cell or an access point.
  • the implementation manner includes the following steps:
  • S701 Send request information, where the request information is information for requesting to acquire a cellular backhaul spectrum resource.
  • the request information is sent to the macro cell to request to acquire the cellular backhaul spectrum resource, where the request information is used to request to obtain the information of the cellular backhaul spectrum resource.
  • the request information includes request information for the node to acquire the cellular backhaul spectrum resource and a transmission rate of the WiFi backhaul link.
  • the node obtains the request information of the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link of the node may be distributed in the same request information, or may be distributed in different request information.
  • the request information includes request information for the node to acquire the cellular backhaul spectrum resource, a transmission rate of the WiFi backhaul link, and a total amount of data to be transmitted.
  • the node obtains the request information of the cellular backhaul spectrum resource, and the transmission rate of the WiFi backhaul link and the total amount of the data to be transmitted may be distributed in the same request information, or may be distributed in different request information. For example, when the node determines that the backhaul capability of its WiFi backhaul link cannot meet the user's needs, it sends request information to the macro cell to request to acquire the cellular backhaul spectrum resource, so that the cell backhaul spectrum resource can be used for backhaul.
  • the request information is used to request to acquire a cellular backhaul spectrum resource.
  • the request information may include the request information of the node to obtain the cellular backhaul spectrum resource and the transmission rate of the WiFi backhaul link, and may also include the total amount of data to be transmitted of the node.
  • the request information includes the request information of the node for acquiring the cellular backhaul spectrum resource and the transmission rate of the WiFi backhaul link
  • the request information for acquiring the cellular backhaul spectrum resource is used to identify that the message is a node requesting to acquire the cellular backhaul spectrum resource.
  • Request information, the transmission rate of the WiFi backhaul link is used to enable the macro cell to allocate a cellular backhaul for the node that sends the request information to make the total transmission rate of each of the at least two nodes meet the predetermined requirement at the transmission rate. Spectrum resources.
  • the request information includes the request information of the node acquiring the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link, and the total amount of the data to be transmitted
  • the request information for acquiring the cellular backhaul spectrum resource is used to identify that the message is a node requesting to acquire the cell.
  • the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted are used to enable the macro cell to allocate at least two for the node according to the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted.
  • Each of the nodes has the same amount of cellular backhaul spectrum resources to be transmitted.
  • S702 Receive notification information, where the notification information includes information about allocated cellular backhaul spectrum resources that satisfy a predetermined transmission rate.
  • the total transmission rate is the sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link.
  • the requesting node allocates a cellular backhaul spectrum resource that satisfies a predetermined requirement for the total transmission rate of each of the at least two nodes, and After the node sends the notification information, the node receives the notification information sent by the macro cell.
  • the notification information includes information allocated by the macro cell to the node to enable the cellular transmission back spectrum resource whose total transmission rate meets the predetermined requirement.
  • the total transmission rate is the sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link.
  • the total transmission rate satisfies the predetermined requirement as: a total transmission rate of at least two nodes and a preset fixed value. The same or nearly the same, or the total transmission rate of at least two nodes is the same.
  • the request information includes the request information of the node acquiring the cellular backhaul spectrum resource, the transmission rate of the WiFi backhaul link, and the total amount of the data to be transmitted
  • the total transmission rate satisfies the predetermined requirement: the total transmission rate of at least two nodes makes the corresponding node
  • the total amount of data to be transmitted is the same or nearly the same.
  • S703 Use the allocated cellular backhaul spectrum resource.
  • the node obtains the information of the cellular backhaul spectrum resource allocated by the macro cell for the node from the received notification information, and uses the allocated cellular backhaul spectrum resource for backhaul, and also uses the WiFi backhaul resource to perform backhaul.
  • the request information is sent to the macro cell to request to obtain the cellular backhaul spectrum resource for backhaul, where the request information is used to request to acquire the cellular backhaul spectrum.
  • the information of the resource enables the macro cell to dynamically allocate the available backhaul spectrum resources to the requesting node according to the request information sent by at least two nodes, so that the total transmission rate of each node meets the predetermined requirement, so that the back of each node The transmission performance is similar, improving the transmission quality of the network.
  • the request information includes the transmission rate of the WiFi backhaul link
  • enabling the macro cell to dynamically allocate the available backhaul spectrum resources to the request according to the transmission rate of the WiFi backhaul link in the request information sent by the at least two nodes.
  • the nodes make the total transmission rate of each node the same or nearly the same, improve the transmission quality of the network, and guarantee the quality of service.
  • the request information includes the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted, enabling the macro cell to according to the transmission rate of the WiFi backhaul link and the total amount of data to be transmitted in the request information sent by the at least two nodes,
  • the available backhaul spectrum resources are dynamically allocated to the requesting node, so that the total amount of data to be transmitted of each node is the same or nearly the same, the transmission quality of the network is improved, and the quality of service is guaranteed.
  • FIG. 8 is a schematic structural diagram of another embodiment of an apparatus for allocating a backhaul resource according to the present application.
  • the means for allocating the backhaul resource may be a macro base station.
  • the power adjustment apparatus of the present embodiment includes: a receiver 810, a processor 820, a transmitter 830, a read only memory 840, a random access memory 850, and a bus 860.
  • Receiver 810 is for receiving signals.
  • the processor 820 controls the operation of the device that allocates the backhaul resource, and the processor 820 may also be referred to as a CPU (Central Processing Unit).
  • Processor 820 may be an integrated circuit chip with signal processing capabilities.
  • the processor 820 can also be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • Transmitter 830 is used to transmit signals.
  • the memory can include read only memory 840 and random access memory 850 and provides instructions and data to processor 820.
  • a portion of the memory may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • bus 860 which may include, in addition to the data bus, a power bus, a control bus, and a status signal bus. However, for clarity of description, various buses are labeled as bus 860 in the figure.
  • the memory stores the following elements, executable modules or data structures, or a subset of them, or their extended set:
  • Operation instructions Includes various operation instructions for implementing various operations.
  • Operating System Includes a variety of system programs for implementing a variety of basic services and handling hardware-based tasks.
  • the processor 820 performs the following operations by calling an operation instruction stored in the memory, which can be stored in the operating system:
  • the receiver 810 receives request information sent by at least two nodes, wherein the request information is information used by one of the at least two nodes to request acquisition of a cellular backhaul spectrum resource.
  • the processor 820 allocates, according to the request information received by the receiver 810, at least two nodes, a cellular backhaul spectrum resource that satisfies a predetermined requirement for a total transmission rate of each of the at least two nodes, where the total transmission The rate is the sum of the transmission rate of the WiFi backhaul link and the transmission rate of the cellular backhaul link.
  • the transmitter 830 sends the notification information to the at least two nodes, where the notification information includes the cellular backhaul allocated by the processor 820 for the corresponding node. Information on spectrum resources.
  • the request information includes: one of the at least two nodes acquires the request information of the cellular backhaul spectrum resource and the transmission rate of the WiFi backhaul link; the processor 820 is further configured to: according to the WiFi backhaul link in the request information The transmission rate is allocated to at least two nodes for cellular backhaul spectrum resources.
  • the request information further includes a total amount of data to be transmitted by the node; the processor 820 is further configured to allocate a cellular backhaul spectrum resource to the node according to a transmission rate of the WiFi backhaul link and a total amount of data to be transmitted.
  • the total transmission rate meets the predetermined requirement, specifically: the total transmission rate is a preset value; or, the total transmission rate of the at least two nodes is the same.
  • the macro cell receives the request information sent by at least two nodes, and according to the request letter
  • the transmission rate of the WiFi backhaul link in the information dynamically allocates the available backhaul spectrum resources to the requesting node, so that the total transmission rate of each node meets the predetermined requirement, and the cellular backhaul spectrum resources can be reasonably allocated, so that each The return performance of the nodes is similar, improving the transmission quality of the network.
  • the macro cell may dynamically allocate the available backhaul spectrum resources according to the total amount of data to be transmitted of each node and the transmission rate of the WiFi backhaul link.
  • the requested node is such that the total amount of data to be transmitted of each node is the same or nearly the same, and the quality of service is guaranteed.
  • FIG. 9 is a schematic structural diagram of another embodiment of the backhaul apparatus of the present application.
  • the backhaul device can be a small base station or an access point.
  • the power adjustment apparatus of the present embodiment includes a transmitter 910, a processor 920, a receiver 930, a read only memory 940, a random access memory 950, and a bus 960.
  • Transmitter 910 is used to transmit signals.
  • the processor 920 controls the operation of the backhaul device, and the processor 920 may also be referred to as a CPU (Central Processing Unit).
  • Processor 920 may be an integrated circuit chip with signal processing capabilities.
  • the processor 920 can also be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • Receiver 930 is for receiving signals.
  • the memory can include read only memory 940 and random access memory 950 and provides instructions and data to processor 920.
  • a portion of the memory may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • bus 960 which may include, in addition to the data bus, a power bus, a control bus, a status signal bus, and the like. However, for clarity of description, various buses are labeled as bus 960 in the figure.
  • the memory stores the following elements, executable modules or data structures, or a subset of them, or their extended set:
  • Operation instructions Includes various operation instructions for implementing various operations.
  • Operating System Includes a variety of system programs for implementing a variety of basic services and handling hardware-based tasks.
  • the processor 920 performs the following operations by calling an operation instruction stored in the memory, which can be stored in the operating system:
  • the processor 920 controls the transmitter 910 to send request information, wherein the request information is information for requesting acquisition of a cellular backhaul spectrum resource.
  • the processor 920 controls the receiver 930 to receive the notification information, where the notification information includes the allocated information of the cellular backhaul spectrum resource that satisfies the predetermined transmission rate, the total transmission rate being the transmission rate of the WiFi backhaul link and the cellular The sum of the transmission rates of the backhaul links.
  • the processor 920 uses the cellular backhaul spectrum resources received by the receiver 820 and the WiFi backhaul frequency resources for backhaul.
  • the request information includes request information for acquiring a cellular backhaul spectrum resource, and a transmission rate of the WiFi backhaul link; and the processor 920 is further configured to perform backhaul using the WiFi backhaul spectrum resource.
  • the request information sent by the sender 910 further includes a total amount of data to be transmitted.
  • the node when the node needs to use the cellular backhaul link for backhaul, it sends a request message to the macro cell to request to obtain the cellular backhaul spectrum resource for backhaul.
  • the macro cell can dynamically allocate the available backhaul spectrum resources to the requesting node according to the request information sent by the at least two nodes, so that the return performance of each node is similar, and the transmission quality and service quality of the network are improved.
  • the macro cell allocates a cellular backhaul resource to the requesting node according to the transmission rate of the WiFi backhaul link in the request information, or according to the WiFi back.
  • the transmission rate of the transmission link and the total amount of data to be transmitted, the allocated backhaul resources are proportionally allocated to the requesting node, so that the total transmission rate of each node is the same or nearly the same, or the total transmission rate of the node is satisfied.
  • booking requirements In other embodiments, the macro cell may also allocate cellular backhaul resources to the requesting node by other algorithms, so that the total transmission rate of each node is the same or nearly the same, or the total transmission rate of the node meets the predetermined requirement.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device implementations described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interface.
  • the indirect coupling or communication connection of the device or unit may be in electrical, mechanical or other form.
  • the components displayed as units may or may not be physical units, that is, may be located in one place, or may be 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 present embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un appareil et un procédé de distribution de ressource de retour. L'appareil comprend un module de réception, un module de distribution et un module d'envoi ; le module de réception est utilisé pour recevoir des informations de requête envoyées par au moins deux nœuds, les informations de requête étant des informations de l'un desdits deux ou plus de deux nœuds servant à demander l'acquisition d'une ressource spectrale de retour cellulaire ; le module de distribution est utilisé pour distribuer auxdits deux ou plus de deux nœuds une ressource spectrale de retour cellulaire qui fait que le débit de transmission total de chaque nœud desdits deux ou plus de deux nœuds satisfait une exigence prédéterminée conformément aux informations de requête reçues par le module de réception, le débit de transmission total étant la somme du débit de transmission d'une liaison de retour WiFi et du débit de transmission d'une liaison de retour cellulaire ; le module d'envoi est utilisé pour envoyer des informations de notification auxdits deux ou plus de deux nœuds, les informations de notification comprenant des informations concernant la ressource spectrale de retour cellulaire distribuée par le module de distribution au nœud correspondant.
PCT/CN2014/084400 2014-08-14 2014-08-14 Appareil et procédé de distribution de ressource de retour WO2016023210A1 (fr)

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