CN114531725A - Communication energy-saving method and device in high-speed rail scene and related equipment - Google Patents

Abstract

The application discloses a communication energy-saving method in a high-speed rail scene, which can be applied to the field of wireless communication. The method comprises the following steps: the first access network equipment receives random access requests sent by the N terminals and sends activation instructions to the second access network equipment, and the activation instructions are used for activating the second access network equipment in a dormant state; the N terminals are located in a high-speed train, the first access network equipment and the second access network equipment are located along a rail where the high-speed train runs, and the high-speed train firstly passes through a coverage area of the first access network equipment and then passes through a coverage area of the second access network equipment. The second access network equipment can be normally activated under the condition that no professional equipment is available on the high-speed train or the professional equipment is abnormal, and user experience is improved.

Description

Communication energy-saving method and device in high-speed rail scene and related equipment

Technical Field

The present application relates to mobile communication technologies, and in particular, to a communication energy saving method and apparatus in a high-speed rail scene, and a related device.

Background

The high-speed railway communication network (high-speed railway special network for short) is a special network which is established by utilizing access network equipment and covers the high-speed railway, and is used as an independently operated communication network which is different from a public network. The access network equipment in the high-speed rail private network provides service for users on the high-speed rail train in a long-term continuous power supply mode, and when no high-speed rail train passes through, the high-speed rail private network wastes power resources in the long-term continuous power supply mode.

Therefore, the access network equipment in the high-speed rail private network receives train number information reported by professional equipment in the current high-speed rail train, and determines the running direction of the current high-speed rail train according to the train number information and a train number information list stored in advance. And the access network equipment determines the original service access network equipment to be closed and the target access network equipment to be opened according to the running direction of the current high-speed train and a pre-stored adjacent cell list. And the access network equipment sends a closing instruction to the determined original service access network equipment and sends an opening instruction to the determined target access network equipment. The original access network equipment receiving the closing instruction can carry out a dormant state according to the instruction; the target access network equipment receiving the opening instruction enters an activation state. Therefore, the access network device in the high-speed rail private network can keep a dormant state when the turn-on instruction is not received, so that power resources are saved.

However, this method requires professional equipment to be installed in the high-speed train for reporting the train number information. And as long as the professional equipment is abnormal once, the access network equipment behind the abnormal point cannot receive the train number information reported by the professional equipment in a dormant state, namely, all the access network equipment behind the abnormal point cannot be activated, so that the user experience is influenced.

Disclosure of Invention

The application provides a communication energy-saving method and device in a high-speed rail scene and related equipment, and second access network equipment can be normally activated under the condition that no professional equipment is arranged on a high-speed rail train or the professional equipment is abnormal.

The application provides a communication energy-saving method in a high-speed rail scene in a first aspect.

The method comprises the following steps: a first access network device receives random access requests sent by N terminals, wherein N is an integer greater than or equal to 1; the first access network equipment sends an activation instruction to second access network equipment, wherein the activation instruction is used for activating the second access network equipment in a dormant state; the N terminals are located in a high-speed train, the first access network device and the second access network device are located along a rail where the high-speed train runs, for example, the first access network device and the second access network device are located in a high-speed special network, and the high-speed train firstly passes through a coverage area of the first access network device and then passes through a coverage area of the second access network device.

In the application, the first access network device plays a role of a sentinel, and after receiving a random access request of a user, the first access network device sends an activation instruction to the second access network device along the rail, so that the second access network device is activated. Therefore, the second access network equipment can be normally activated under the condition that no professional equipment is arranged on the high-speed train or the professional equipment is abnormal. Moreover, due to the passenger capacity characteristic of the high-speed rail, the high-speed rail train generally comprises a plurality of terminals, and activation of subsequent access network equipment cannot be influenced under the condition that individual terminals are in fault, so that the user experience is improved.

In an alternative form of the first aspect, the random access request indicates that the N terminals perform random access across Tracking Areas (TAs).

In an alternative form of the first aspect, the method further comprises: the first access network equipment receives a measurement instruction sent by network management equipment; and the first access network equipment sends a measurement result to the network management equipment, wherein the measurement result is used for the network management equipment to determine whether the first access network equipment is positioned along the rail.

In an alternative form of the first aspect, the method further comprises: the first access network equipment receives an energy-saving strategy sent by network management equipment, wherein the energy-saving strategy comprises a sentinel instruction and an identifier of the second access network equipment; the first access network equipment keeps an activated state according to the sentinel instruction; the sending, by the first access network device, the activation indication to the second access network device includes: and the first access network equipment sends the activation instruction to the second access network equipment according to the sentry instruction and the identifier of the second access network equipment.

The second aspect of the application provides a communication energy saving method in a high-speed rail scene.

The method comprises the following steps: the second access network equipment receives the activation indication sent by the first access network equipment; the second access network equipment enters an activated state from a dormant state according to the activation indication; and after the second access network equipment receives a random access request of a terminal, the second access network equipment sends the activation indication to third access network equipment. The first access network device, the second access network device and the third access network device are located along a rail where a high-speed train runs, and the high-speed train firstly passes through a coverage area of the first access network device and then passes through coverage areas of the second access network device and the third access network device.

In an alternative form of the second aspect, the method further comprises: and the second access network equipment receives an energy-saving strategy sent by the network management equipment, wherein the energy-saving strategy comprises a common instruction and an identifier of the third access network equipment. The second access network device sending the activation indication to a third access network device includes: and the second access network equipment sends the activation instruction to the third access network equipment according to the common instruction and the identifier of the third access network equipment.

In an optional manner of the second aspect, after the second access network device enters the active state from the dormant state according to the activation indication, the method further includes: and if no terminal which is connected with the second access network equipment is available and the activation duration of the second access network equipment reaches a target threshold, the second access network equipment enters the dormant state from the activation state.

The third aspect of the application provides a communication energy-saving device in a high-speed rail scene.

The device comprises: a receiving module, configured to receive random access requests sent by N terminals, where N is an integer greater than or equal to 1;

a sending module, configured to send an activation instruction to a second access network device, where the activation instruction is used to activate the second access network device in a dormant state;

the N terminals are located in a high-speed train, the device and the second access network equipment are located along a rail where the high-speed train runs, and the high-speed train firstly passes through a coverage area of the device and then passes through a coverage area of the second access network equipment.

In an optional manner of the third aspect, the random access request indicates that the N terminals perform random access across TAs.

In an optional manner of the third aspect, the receiving module is further configured to receive a measurement indication sent by the network management device;

the sending module is further configured to send a measurement result to the network management device, where the measurement result is used by the network management device to determine whether the device is located along the rail.

In an optional manner of the third aspect, the receiving module is further configured to receive an energy saving policy sent by a network management device, where the energy saving policy includes a sentinel instruction and an identifier of the second access network device;

the device further comprises: the processing module is used for keeping an activation state according to the sentinel instruction;

the sending module is specifically configured to send the activation instruction to the second access network device according to the sentinel instruction and the identifier of the second access network device.

The fourth aspect of the application provides a communication energy-saving device in a high-speed rail scene.

The device includes: a receiving module, configured to receive an activation instruction sent by a first access network device;

the processing module is used for entering an activation state from a dormant state according to the activation indication;

a sending module, configured to send the activation instruction to a third access network device after the apparatus receives a random access request of a terminal;

the first access network equipment, the device and the third access network equipment are located along a rail where a high-speed train runs, and the high-speed train firstly passes through the coverage area of the first access network equipment and then passes through the coverage areas of the device and the third access network equipment.

In an optional manner of the fourth aspect, the receiving module is further configured to receive an energy saving policy sent by a network management device, where the energy saving policy includes a general instruction and an identifier of the third access network device.

The sending module is specifically configured to send the activation instruction to the third access network device according to the common instruction and the identifier of the third access network device.

In an optional manner of the fourth aspect, the processing module is further configured to enter the sleep state from the active state if there is no terminal that maintains a connection with the apparatus and an activation duration of the apparatus reaches a target threshold.

The fifth aspect of the application provides a communication energy-saving device in a high-speed rail scene.

The communication energy-saving device comprises a processor and a transceiver;

the transceiver is used for receiving random access requests sent by N terminals, wherein N is an integer greater than or equal to 1;

the transceiver is further configured to send an activation indication to a second access network device, where the activation indication is used to activate the second access network device in a dormant state;

the N terminals are located in a high-speed train, the communication energy-saving equipment and the second access network equipment are located along a rail where the high-speed train runs, and the high-speed train firstly passes through the coverage area of the communication energy-saving equipment and then passes through the coverage area of the second access network equipment.

The sixth aspect of the present application provides a communication energy saving device in a high-speed rail scenario.

The communication energy-saving device comprises a processor and a transceiver;

the transceiver is used for receiving an activation instruction sent by first access network equipment;

the processor is used for entering an active state from a dormant state according to the active indication;

the transceiver is used for sending the activation instruction to a third access network device after the communication energy-saving device receives a random access request of a terminal;

the first access network equipment, the communication energy-saving equipment and the third access network equipment are located along a rail where a high-speed train runs, and the high-speed train firstly passes through the coverage area of the first access network equipment and then passes through the coverage areas of the communication energy-saving equipment and the third access network equipment.

A seventh aspect of the present application provides a computer storage medium having stored thereon instructions that, when executed on a computer, cause the computer to perform the method according to the first aspect or any one of the alternatives of the first aspect.

An eighth aspect of the present application provides a computer program product, which, when executed on a computer, causes the computer to perform the method according to the first aspect or any one of the alternatives thereof.

Drawings

FIG. 1 is a block diagram of a framework for activating and deactivating access network devices via a professional device;

FIG. 2 is a schematic view of a scenario in an embodiment of the present application;

fig. 3 is a schematic flow chart of obtaining an energy-saving policy in the embodiment of the present application;

fig. 4 is a schematic flowchart of a communication energy saving method in a high-speed rail scenario in the embodiment of the present application;

fig. 5 is a schematic structural diagram of a communication energy saving device in a high-speed rail scene in the embodiment of the present application;

fig. 6 is another schematic structural diagram of a communication energy saving device in a high-speed rail scenario in the embodiment of the present application;

fig. 7 is a schematic structural diagram of a communication energy saving device in a high-speed rail scenario in the embodiment of the present application.

Detailed Description

The embodiment of the application provides a communication energy-saving method, a communication energy-saving device and related equipment in a high-speed rail scene, which are applied to a mobile communication technology and can normally activate second access network equipment under the condition that no professional equipment is arranged on a high-speed rail train or the professional equipment is abnormal. For example, the features or contents identified by broken lines in the drawings related to the embodiments of the present application can be understood as optional operations or optional structures of the embodiments.

For example, the existing GSM mobile communication network can only provide service for users with a moving speed not exceeding 250 km/h, and when the moving speed of the user exceeds the threshold, if the networking mode of the existing public network is still adopted, phenomena such as multipath delay, doppler shift, penetration loss, fast handover and the like occur, which can seriously affect the communication quality of the user in a high-speed train and the service experience of the user using communication service in the high-speed train.

The high-speed railway communication network (high-speed railway special network for short) is a special network for covering high-speed railway established by using base station equipment, and is used as an independently operated communication network different from a public network, and the receiving and transmitting mode and the working principle of the base station in the high-speed railway special network are the same as those of the public network. The access network equipment in the high-speed rail private network provides service for users on the high-speed rail train in a long-term continuous power supply mode, and when no high-speed rail train passes through, the high-speed rail private network wastes power resources in the long-term continuous power supply mode.

In order to save power resources, the access network equipment can be activated only when a high-speed train passes by. As shown in fig. 1, fig. 1 is a schematic diagram of a framework for activating and closing an access network device by a professional device. The access network device 102 in the private network of the high-speed rail receives train number information reported by the communication device in the current high-speed rail train 101, and determines the running direction of the current high-speed rail train 101 according to the train number information and a train number information list stored in advance. And the access network device 102 determines the original service access network device 101 to be closed and the target access network device 103 to be opened according to the current running direction of the high-speed train 101 and a pre-stored neighbor cell list. The access network device 102 sends a closing instruction to the determined original service access network device 101, and sends an opening instruction to the determined target access network device 103. The original access network device 101 receiving the closing instruction performs a sleep state according to the instruction; the target access network device 103 receiving the turn-on command enters an active state. Therefore, the access network device in the high-speed rail private network can keep a dormant state when the turn-on instruction is not received, so that power resources are saved.

However, this method requires professional equipment to be installed in the high-speed train for reporting the train number information. And as long as the professional equipment is abnormal once, the access network equipment behind the abnormal point cannot receive the train number information reported by the professional equipment in a dormant state, namely, all the access network equipment behind the abnormal point cannot be activated, so that the user experience is influenced. For example, in fig. 1, if the access network device 102 does not receive the train number information sent by the professional device, the access network device 102 does not send an open instruction to the target access network device 103, that is, the target access network device 103 is not activated. Under the condition that the target access network device 103 is not activated, the target access network device 103 cannot receive the train number information sent by the professional device, and thus cannot continuously send a start instruction to a subsequent access network device. Thus, none of the access network devices behind access network device 102 along the rail can be activated.

Therefore, in the application, the access network equipment triggers the sending of the activation instruction to the subsequent access network equipment by receiving the random access request of the terminal on the high-speed train. Because the passenger capacity of the high-speed train is generally large and comprises crews, drivers and the like, a plurality of terminals are generally arranged on the high-speed train, and the probability that the subsequent access network equipment cannot be activated due to the abnormality of individual terminals is reduced. Furthermore, the high-speed train can not carry professional equipment, and hardware cost is reduced.

Referring to fig. 2, fig. 2 is a schematic view of a scene in an embodiment of the present application. The train 210 sequentially passes through the access network devices 201 and 206, and after passing through the access network device 206, the access network device may pass through the access network device 208 and the access network device 209, or may pass through the access network device 207. The access network device 201 functions as a sentinel, referred to as a sentinel access network device for short. And when no train passes through the subsequent access network equipment, the subsequent access network equipment keeps a dormant state, which is referred to as common access network equipment for short. The sentinel access network device remains activated. The ordinary access network equipment is switched between an active state and a dormant state. When the access network device is in the dormant state, the access network device stops communicating with the terminal in a wireless mode (but can receive an activation instruction sent by the access network device in a wired or wireless mode). If the access network device in the dormant state receives the activation instruction sent by the access network device only in a wired manner, the power supply system may not supply power to the radio frequency link of the access network device. And when the access network equipment is in an activated state, the access network equipment works normally, and at the moment, the current access network equipment can receive a random access request of a terminal in the current high-speed train and interact with terminal data. When the access network equipment is in normal operation, the power supply system needs to continuously supply power to the radio frequency link of the access network equipment.

In this application, a terminal may refer generally to a device having the capability to communicate with network devices, such as an access terminal device, a subscriber unit, a subscriber station, a mobile station, a remote terminal device, a mobile device, a user terminal device, a wireless terminal device, a user agent, or a user equipment. But also cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), handheld devices with wireless communication capabilities, computing devices, other processing devices connected to wireless modems, wearable devices (smartwatches, smartbands, etc.), also smart furniture (or appliances), terminal devices in future 5G networks, terminal devices in future evolved Public Land Mobile Networks (PLMNs), Customer Premises Equipment (CPEs), etc. The terminal and the access network device generally communicate with each other by using some air interface technology.

The radio access network device may be a Base Transceiver Station (BTS) in a GSM or Code Division Multiple Access (CDMA) system, a Node B (NB) in a Wideband Code Division Multiple Access (WCDMA) system, an evolved node B (eNB) in a Long Term Evolution (LTE) system, a radio controller in a Cloud Radio Access Network (CRAN) scenario, a relay node station, a Transmission Reception Point (TRP), an access point, a roadside unit (RSU), a network device in a future 5G network, such as an NR node B, a next generation access network device (generation node B, gbb), a centralized unit (centralized unit), a distributed unit (CU), a future public mobile unit (CU), or a future public mobile unit (lan), PLMN), etc.

The state of the access network device itself and the behavior of sending an activation indication to the subsequent access network device according to the random access request of the terminal are energy-saving strategies. In the application, the sentinel access network equipment keeps an activated state, and the common access network equipment is switched between the activated state and a dormant state, so that different energy-saving strategies are executed by the two access network equipment. The manner how the access network device gets the power saving policy is described below. It should be noted that this method is merely an example.

Referring to fig. 3, fig. 3 is a schematic flow chart illustrating obtaining an energy saving policy in an embodiment of the present application.

In step 301, the measurement control system sends a measurement indication to the access network device.

The network management equipment comprises a measurement control system and an energy-saving strategy system. The measurement control system issues measurement instructions aiming at access network equipment along the rail of the high-speed rail, and the measurement contents comprise non-real-time measurement and/or real-time measurement. The non-real-time measurement is that the adjacent area relation of the access network equipment is expected to be determined through the measurement information reported by the access network equipment, and/or whether the access network equipment belongs to the rail line is determined, and/or the access network equipment is grouped according to the measurement information reported by the access network equipment set. The content of the real-time measurement is described in the following method of implementing the power saving policy.

In step 302, the access network device sends the measurement result to the network management device.

Specifically, the measurement result may include a time when the terminal is switched in/out, a time when the terminal is switched out/in, the number of terminals, information about a neighboring cell where the terminal is switched in/out, information about a cell of the terminal (e.g., TAC information), and the like. The measurement result can be triggered by a periodic reporting mechanism and can be used for counting the access rule of the terminal and the incidence relation of the surrounding adjacent cells and calculating the general on-network time of the terminal, the access time and the switching time so as to obtain a target threshold value of the activation time of the access network equipment;

in step 303, the measurement control system transmits the measurement results to the energy saving policy system.

In step 304, the energy conservation policy system determines an energy conservation policy.

Determining the content of the energy-saving strategy comprises the following steps: the method comprises the steps of determining sentinel access network equipment and common access network equipment, and determining subsequent access network equipment of each access network equipment, wherein the subsequent access network equipment can also be understood as access network equipment of an adjacent cell or target access network equipment in the background technology. Since rails generally support bi-directional operation, the present application does not describe two directions separately, but merely illustrates an example of a high-speed train going in one direction. In practical application, the method for constructing the bidirectional operation scene can be carried out according to the method for constructing the unidirectional operation scene.

In step 305, the energy saving policy system sends an energy saving instruction to the access network device.

If the access network device receives the sentinel instruction, it indicates that, in step 304, the energy saving policy system determines that the access network device is the sentinel access network device. If the access network device receives the normal command, it indicates that, in step 304, the energy saving policy system determines that the access network device is a normal access network device. For example, in the scenario of fig. 2, the access network device 201 receives a sentinel instruction and the access network device 202 receives a normal instruction. In practical applications, the sentinel access network device does not have to be one.

In other embodiments, the power saving instruction further includes an identification of a subsequent access network device of the access network devices. For example, in fig. 2, the power saving instruction received by the access network device 201 further includes an identification of the access network device 202; the power saving instruction received by the access network device 202 further includes the identification of the access network device 203 and the access network device 204.

The above description is given on the method for obtaining the energy saving policy in the embodiment of the present application, and it should be noted that the manner for obtaining the energy saving policy by the sentinel access network device and the ordinary access network device is not necessarily as shown in fig. 2. For example, in practical application, the access network devices in the private network for a high-speed rail have unique identifiers and are numbered according to the running direction along the rail, so that the network management device does not need to determine which access network device is used as the access network device for a sentinel according to the reported information of the access network devices. The following describes a communication energy saving method in a high-speed rail scene in the embodiment of the present application.

Referring to fig. 4, fig. 4 is a schematic flowchart illustrating a communication energy saving method in a high-speed rail scenario according to an embodiment of the present application.

In step 401, the terminal sends a random access request to the first access network device.

The terminal is positioned in the high-speed train and moves forward along with the high-speed train. When the terminal enters the coverage area of the first access network device, or when the signal of the terminal in the cell where the first access network device is located is better than that of other cells, the terminal sends a random access request to the first access network device.

In step 402, the first access network device determines whether to activate a subsequent access network device.

The first access network device is used as a sentinel access network device and keeps an activated state, so that random access requests sent by the N terminals can be received. N is an integer of 1 or more. The value of N may be set in advance due to the characteristics of the passenger capacity of the high-speed train. For example, in step 304 in fig. 2, the network management device determines that the first access network device receives at least random access requests sent by N terminals when a high-speed train passes through the first access network device according to the measurement result reported by the first access network device in a non-real-time manner, and then the network management device may determine the value of N.

In other embodiments, N is greater than or equal to 2. In the energy saving instruction in step 305, the first access network device may further receive N sent by the network management device. The first access network device determines to activate a subsequent access network device only if N is greater than the target threshold.

In step 403, the first access network device sends an activation indication to the second access network device.

The first access network device may directly send the activation instruction to the second access network device, or may forward the activation instruction to the second access network device through the network management device. The former first access network device needs to know the identity of the second access network device to send it an activation indication. The latter first access network device may not know the identity of the second access network device. The latter is the content of the real-time report in fig. 2. The activation indication may be understood as measurement information reported by the first access network device. The network management device stores the information of the access network device adjacent to the first access network device, i.e. the identifier of the second access network device. The first access network device only needs to send an activation instruction to the network management device, and the network management device can know that the high-speed train error passes through the first access network device. The network management equipment inquires the information of the adjacent access network equipment of the first access network equipment and sends an activation instruction to the second access network equipment.

In other embodiments, the random access request in step 401 is a random access request across TAs. When the terminal enters a target cell where the first access network device is located from a source cell where the source access network device is located, the source cell and the target cell belong to the same TA, and the terminal is in a standby state, the first access network device does not report cell replacement of the terminal to a core network. In order to reduce the change of the first access network equipment, the TA-crossing first access network equipment is used as the sentinel access network equipment, and the TA change of the terminal is reported to the core network after the first access network equipment receives the random access request sent by the terminal. Therefore, even if the terminal on the whole high-speed train is in a standby state, the network management equipment can know that the high-speed train passes through the first access network equipment, and therefore the activation indication is sent to the second access network equipment.

When a plurality of subsequent access network devices of the first access network device are included, the first access network device needs to send an activation indication to the plurality of access network devices. The embodiment of the application takes 1 as an example.

In step 404, the second access network device enters the active state from the dormant state.

In step 405, the second access network device receives a random access request of the terminal.

After the second access network device enters the activated state from the dormant state, if the high-speed rail train passes through the cell where the second access network device is located, the second access network device can receive a random access network request of the terminal. It should be noted that the terminal in this step and the terminal in step 401 may not be the same terminal.

In step 406, the second access network device sends an activation indication to the third access network device.

The description of this step may refer to the description of step 403 previously described.

In step 407, if there is no terminal that maintains connection and the activation duration reaches the target threshold, the second access network device enters the dormant state from the active state.

After the high-speed train drives away from the cell where the second access network equipment is located, the second access network equipment saves power resources by entering a dormant state. The target threshold in this step may be obtained by the measurement information reported by the access network device in non-real time in fig. 2.

In the scenario shown in fig. 1, if an abnormal situation occurs, the high-speed train changes the track. For example, in fig. 2, after passing through the access network device 206, the high-speed train needs to pass through the access network device 207, but the high-speed train passes through the access network device 208 because the operation track of the high-speed train is abnormally changed. At this point, the access network device 208 does not necessarily have information about the high-speed train, and the access network device may not be activated by the access network device 206. By the communication energy-saving method in the high-speed rail scene in the embodiment of the application, decoupling of information of the high-speed rail train and activated access network equipment can be realized. For example, in fig. 2, the access network device 206 sends an activation instruction to the access network device 208 and the access network device 207 after receiving the random access request of the terminal. No matter which access network equipment the high-speed train passes through, subsequent access network equipment can be normally activated, and therefore the strain capacity to abnormal conditions is improved.

The communication energy saving method in the high-speed rail scene in the embodiment of the present application is described above, and the communication energy saving device in the high-speed rail scene in the embodiment of the present application is described below. Referring to fig. 5, fig. 5 is a schematic structural diagram of a communication energy saving device in a high-speed rail scene according to an embodiment of the present application.

The device comprises: a receiving module 501, configured to receive random access requests sent by N terminals, where N is an integer greater than or equal to 1;

a sending module 502, configured to send an activation indication to a second access network device, where the activation indication is used to activate the second access network device in a dormant state;

the N terminals are located in a high-speed train, the device and the second access network equipment are located along a rail where the high-speed train runs, and the high-speed train firstly passes through a coverage area of the device and then passes through a coverage area of the second access network equipment.

In other embodiments, the apparatus is further configured to perform all or part of the operations that the access network device in fig. 3 or the first access network device in fig. 4 may perform.

Referring to fig. 6, fig. 6 is another schematic structural diagram of a communication energy saving device in a high-speed rail scene according to an embodiment of the present application.

The device includes: a receiving module 601, configured to receive an activation instruction sent by a first access network device;

a processing module 602, configured to enter an active state from a sleep state according to the activation indication;

a sending module 603, configured to send the activation instruction to a third access network device after the apparatus receives a random access request of a terminal;

the first access network equipment, the device and the third access network equipment are located along a rail where a high-speed train runs, and the high-speed train firstly passes through the coverage area of the first access network equipment and then passes through the coverage areas of the device and the third access network equipment.

In other embodiments, the apparatus is further configured to perform all or part of the operations that the second access network device in fig. 4 may perform.

The communication energy saving device in the high-speed rail scene in the embodiment of the present application is described above, and the communication energy saving device in the high-speed rail scene in the embodiment of the present application is described below. Referring to fig. 7, fig. 7 is a schematic structural diagram of a communication energy saving device in a high-speed rail scene according to an embodiment of the present application.

As shown in fig. 7, the communication energy saving device 700 in a high-speed rail scenario includes a processor 710 and a transceiver 720 coupled to the processor 710. Processor 710 may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of a CPU and an NP. The processor may also be an application-specific integrated circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof. The PLD may be a Complex Programmable Logic Device (CPLD), a field-programmable gate array (FPGA), a General Array Logic (GAL), or any combination thereof. Processor 710 may refer to a single processor or may include multiple processors.

In other embodiments, the device may also include memory, which may include volatile memory (volatile memory), such as random-access memory (RAM); the memory may also include a non-volatile memory (non-volatile memory), such as a read-only memory (ROM), an FRAM memory, a flash memory, a Hard Disk Drive (HDD) or a solid-state drive (SSD); the memory may also comprise a combination of the above kinds of memories.

When the communication energy saving device 700 in the high-speed rail scenario in fig. 7 is a first access network device:

the transceiver 720 is configured to receive random access requests sent by N terminals, where N is an integer greater than or equal to 1;

the transceiver 720 is further configured to send an activation indication to a second access network device, the activation indication being used to activate the second access network device in a dormant state; the N terminals are located in a high-speed train, the communication energy-saving equipment and the second access network equipment are located along a rail where the high-speed train runs, and the high-speed train firstly passes through the coverage area of the communication energy-saving equipment and then passes through the coverage area of the second access network equipment.

In other embodiments, the processor 710 is further configured to execute, after executing the computer readable instructions in the memory, all or part of the operations that the first access network device may perform, according to the instructions of the computer readable instructions, for example, the operations that the first access network device performs in the embodiment corresponding to fig. 4.

When the communication energy saving device 700 in the high-speed rail scenario in fig. 7 is a first access network device:

the transceiver 720 is configured to receive an activation indication sent by the first access network device;

processor 710 is configured to enter an active state from a sleep state according to the activation indication;

the transceiver 720 is configured to send the activation instruction to a third access network device after the communication energy saving device receives a random access request from a terminal; the first access network equipment, the communication energy-saving equipment and the third access network equipment are located along a rail where a high-speed train runs, and the high-speed train firstly passes through the coverage area of the first access network equipment and then passes through the coverage areas of the communication energy-saving equipment and the third access network equipment.

In other embodiments, the processor 710 is further configured to execute, after executing the computer readable instructions in the memory, all or part of the operations that the second access network device may perform, according to the instructions of the computer readable instructions, for example, the operations that the second access network device performs in the embodiment corresponding to fig. 4.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a 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 stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media that can store program codes, such as a flash disk, a removable hard disk, a ROM, a RAM, a magnetic or optical disk, and the like.

Claims (16)

1. A communication energy-saving method in a high-speed rail scene is characterized by comprising the following steps:

a first access network device receives random access requests sent by N terminals, wherein N is an integer greater than or equal to 1;

the first access network equipment sends an activation instruction to second access network equipment, wherein the activation instruction is used for activating the second access network equipment in a dormant state;

the N terminals are located in a high-speed train, the first access network device and the second access network device are located along a rail where the high-speed train runs, and the high-speed train firstly passes through a coverage area of the first access network device and then passes through a coverage area of the second access network device.

2. The method of claim 1, wherein the random access request indicates that the N terminals perform random access across TAs.

3. The method according to claim 1 or 2, characterized in that the method further comprises:

the first access network equipment receives a measurement instruction sent by network management equipment;

and the first access network equipment sends a measurement result to the network management equipment, and the measurement result is used for the network management equipment to determine whether the first access network equipment is positioned along the rail.

4. A method according to any one of claims 1 to 3, characterized in that the method further comprises:

the first access network equipment receives an energy-saving strategy sent by network management equipment, wherein the energy-saving strategy comprises a sentinel instruction and an identifier of the second access network equipment;

the first access network equipment keeps an activated state according to the sentry instruction;

the sending, by the first access network device, the activation indication to the second access network device includes:

and the first access network equipment sends the activation instruction to the second access network equipment according to the sentry instruction and the identifier of the second access network equipment.

5. A communication energy-saving method in a high-speed rail scene is characterized by comprising the following steps:

the second access network equipment receives an activation instruction sent by the first access network equipment;

the second access network equipment enters an activated state from a dormant state according to the activation indication;

after the second access network equipment receives a random access request of a terminal, the second access network equipment sends the activation indication to third access network equipment;

the first access network device, the second access network device and the third access network device are located along a rail where a high-speed train runs, and the high-speed train firstly passes through a coverage area of the first access network device and then passes through coverage areas of the second access network device and the third access network device.

6. The method of claim 5, further comprising:

the second access network equipment receives an energy-saving strategy sent by network management equipment, wherein the energy-saving strategy comprises a common instruction and an identifier of the third access network equipment;

the sending, by the second access network device, the activation indication to a third access network device includes:

and the second access network equipment sends the activation instruction to the third access network equipment according to the common instruction and the identifier of the third access network equipment.

7. The method of claim 5 or 6, wherein after the second access network device enters the active state from the dormant state according to the activation indication, the method further comprises:

and if no terminal which is connected with the second access network equipment is available and the activation duration of the second access network equipment reaches a target threshold, the second access network equipment enters the dormant state from the activation state.

8. A communication energy-saving device under a high-speed rail scene is characterized by comprising:

a receiving module, configured to receive random access requests sent by N terminals, where N is an integer greater than or equal to 1;

a sending module, configured to send an activation instruction to a second access network device, where the activation instruction is used to activate the second access network device in a dormant state;

the N terminals are located in a high-speed train, the device and the second access network equipment are located along a rail where the high-speed train runs, and the high-speed train firstly passes through a coverage area of the device and then passes through a coverage area of the second access network equipment.

9. The apparatus of claim 8, wherein the random access request indicates that the N terminals perform random access across TAs.

10. The apparatus according to claim 8 or 9,

the receiving module is also used for receiving a measurement instruction sent by the network management equipment;

the sending module is further configured to send a measurement result to the network management device, where the measurement result is used by the network management device to determine whether the device is located along the rail.

11. The apparatus according to any one of claims 8 to 10,

the receiving module is further used for receiving an energy-saving strategy sent by the network management equipment, wherein the energy-saving strategy comprises a sentinel instruction and an identifier of the second access network equipment;

the device further comprises:

the processing module is used for keeping an activation state according to the sentinel instruction;

the sending module is specifically configured to send the activation instruction to the second access network device according to the sentinel instruction and the identifier of the second access network device.

12. A communication energy-saving device under a high-speed rail scene is characterized by comprising:

a receiving module, configured to receive an activation instruction sent by a first access network device;

the processing module is used for entering an activation state from a dormant state according to the activation indication;

a sending module, configured to send the activation instruction to a third access network device after the apparatus receives a random access request of a terminal;

the first access network equipment, the device and the third access network equipment are located along a rail where a high-speed train runs, and the high-speed train firstly passes through the coverage area of the first access network equipment and then passes through the coverage areas of the device and the third access network equipment.

13. The apparatus of claim 12,

the receiving module is further configured to receive an energy-saving policy sent by a network management device, where the energy-saving policy includes a common instruction and an identifier of the third access network device;

the sending module is specifically configured to send the activation instruction to the third access network device according to the common instruction and the identifier of the third access network device.

14. The apparatus of claim 12 or 13,

the processing module is further configured to enter the sleep state from the active state if there is no terminal that is connected to the device and the activation duration of the device reaches a target threshold.

15. Communication energy saving equipment in a high-speed rail scene is characterized by comprising a processor and a transceiver;

the transceiver is used for receiving random access requests sent by N terminals, wherein N is an integer greater than or equal to 1;

the transceiver is further configured to send an activation indication to a second access network device, where the activation indication is used to activate the second access network device in a dormant state;

the N terminals are located in a high-speed train, the communication energy-saving equipment and the second access network equipment are located along a rail where the high-speed train runs, and the high-speed train firstly passes through the coverage area of the communication energy-saving equipment and then passes through the coverage area of the second access network equipment.

16. Communication energy saving equipment in a high-speed rail scene is characterized by comprising a processor and a transceiver;

the transceiver is used for receiving an activation instruction sent by first access network equipment;

the processor is used for entering an active state from a dormant state according to the active indication;

the transceiver is used for sending the activation instruction to a third access network device after the communication energy-saving device receives a random access request of a terminal;

the first access network equipment, the communication energy-saving equipment and the third access network equipment are located along a rail where a high-speed train runs, and the high-speed train firstly passes through the coverage area of the first access network equipment and then passes through the coverage areas of the communication energy-saving equipment and the third access network equipment.

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