WO2023124101A1

WO2023124101A1 - Communication method and apparatus, and base station, mobile relay and storage medium

Info

Publication number: WO2023124101A1
Application number: PCT/CN2022/111912
Authority: WO
Inventors: 段小嫣; 胡博; 陈山枝; 高成; 陈良玉; 艾明
Original assignee: 大唐移动通信设备有限公司
Priority date: 2021-12-27
Filing date: 2022-08-11
Publication date: 2023-07-06
Also published as: CN116367087A

Abstract

The present disclosure relates to the field of wireless communications. Provided are a communication method and apparatus, and a base station, a mobile relay and a storage medium. The specific implementation solution involves: a base station acquiring a first position of a mobile relay and a second position of a terminal, wherein the terminal receives data from the base station by means of the mobile relay; determining planned path information of the mobile relay according to the energy efficiency of the mobile relay, the first position of the mobile relay, and the second position of the terminal; and sending the planned path information to the mobile relay. In this way, it is possible to determine planned path information of a mobile relay by means of a base station and according to the energy efficiency of the mobile relay, the position of the mobile relay, and the position of a terminal. Since the planned path information is determined in combination with the energy efficiency of the mobile relay, the energy efficiency state of the mobile relay can be fully taken into consideration, such that the energy efficiency of the mobile relay can be improved when the mobile relay moves according to the planned path information, thereby extending the communication service time of the mobile relay.

Description

Communication method, device, base station, removable relay and storage medium

Cross References to Related Applications

This disclosure requires the priority of the Chinese patent application number "202111616110.7" submitted by Datang Mobile Communication Equipment Co., Ltd. on December 27, 2021, with the title of invention "communication method, device, base station, removable relay and storage medium" right.

technical field

The present disclosure relates to the technical field of wireless communication, and in particular to a communication method, device, base station, removable relay and storage medium.

Background technique

In scenarios where the ground base station is damaged or the base station deployment density cannot meet the terminal communication service quality requirements, such as emergency disaster relief, large-scale sports events and other scenarios, mobile relays can be used to provide services for ground terminals. For example, a UAV can be used to mount communication base station equipment as a mobile relay (or called an air relay). Since the energy consumption and load of the mobile relay are limited, it is very important to optimize the movement trajectory of the mobile relay to prolong the communication service time.

Contents of the invention

The present application provides a communication method, device, base station, removable relay and storage medium.

According to an aspect of the present application, a communication method is provided, the method is performed by a base station, and the method includes:

Acquiring a first location where a movable relay is located, and a second location where a terminal is located, where the terminal receives data from the base station through the movable relay;

determining planned path information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal;

Send the planned route information of the movable relay to the movable relay.

Optionally, the planned route information of the movable relay includes movement parameters of the movable relay, where the movement parameters include moving speed, moving direction and/or moving distance.

Optionally, after determining the planned path information of the movable relay, the method further includes: according to the planned path information, determining the communication of the movable relay in the energy efficiency maximization state of the movable relay Resource parameters: configuring a transmission link between the mobile relay and the terminal, and/or a transmission link between the mobile relay and the base station according to the communication resource parameters.

Optionally, the determining, according to the planned path information, the communication resource parameters of the mobile relay in the state of maximizing energy efficiency of the mobile relay includes: determining the movable relay according to the planned path information. The mobile energy consumption of the mobile relay; according to the mobile energy consumption, determine the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay.

Optionally, the determining, according to the mobile energy consumption, the communication resource parameters of the mobile relay in a state where the energy efficiency of the mobile relay is maximized includes: acquiring the energy efficiency of the mobile relay, and The relationship between the mobile energy consumption and the communication resource parameters of the mobile relay; wherein, the energy efficiency of the mobile relay is inversely related to the mobile energy consumption; the energy efficiency of the mobile relay It is positively related to the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal; the channel capacity is determined according to the communication resource parameters of;

Under the set constraint condition, determine the communication resource parameters of the movable relay in the energy efficiency maximization state.

Optionally, the communication resource parameters include at least one of the following: channel bandwidth between the mobile relay and the terminal; power of the mobile relay to send data to the terminal; The rate at which the mobile relay sends data to the terminal; the channel bandwidth between the mobile relay and the base station; the power at which the base station sends data to the mobile relay; The rate at which data is sent.

Optionally, the setting constraints include at least one of the following: the channel bandwidth from the mobile relay to the base station and the channel bandwidth from the mobile relay to the terminal in the communication resource parameters The sum is less than or equal to the set bandwidth; in the communication resource parameters, the power of the mobile relay to send data to the terminal is less than the set power; in the communication resource parameters, the mobile relay transmits data from the base station The rate at which data is received is greater than or equal to the rate at which the mobile relay sends data to the terminal.

Optionally, after determining the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay according to the planned path information, the method further includes: sending the mobile relay the The communication resource parameters described above.

According to another aspect of the present application, another communication method is provided, the method is performed by a mobile relay, and the method includes:

Acquiring the planned path information of the movable relay;

Moving the movable relay according to the planned path information.

Optionally, the planned path information includes motion parameters of the movable relay, where the motion parameters include moving speed, moving direction and/or moving distance.

Optionally, the acquiring the planned path information of the movable relay includes: receiving the planned path information of the movable relay sent by the base station; or, determining the maximum energy efficiency of the movable relay The planned path information of the movable relay in the state.

Optionally, before receiving the planned path information of the movable relay sent by the base station, the method includes: sending the first position of the movable relay to the base station.

Optionally, after acquiring the planned path information of the movable relay, the method further includes: determining the communication resource parameters of the movable relay in the state of maximizing energy efficiency of the movable relay according to the planned path information ; configure the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or the transmission link between the mobile relay and the base station; wherein, the mobile relay and The transmission link between the terminals, and the transmission link between the movable relay and the base station are used for the terminal to receive data from the base station through the movable relay.

Optionally, the determining, according to the mobile energy consumption, the communication resource parameters of the mobile relay in a state where the energy efficiency of the mobile relay is maximized includes: acquiring the energy efficiency of the mobile relay, and The relationship between the mobile energy consumption and the communication resource parameters of the mobile relay; wherein, the energy efficiency of the mobile relay is inversely related to the mobile energy consumption; the energy efficiency of the mobile relay It is positively related to the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal; the channel capacity is determined according to the communication resource parameters and determining the communication resource parameters of the movable relay in the state of maximizing energy efficiency under the set constraint conditions.

Optionally, after determining the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay according to the planned path information, the method further includes: sending the communication resource parameters to the base station.

According to another aspect of the present application, a base station is provided, including:

Memory, Transceiver, Processor:

The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:

Send the planned route information of the movable relay to the movable relay.

According to another aspect of the present application, a mobile relay is provided, including:

Memory, Transceiver, Processor:

Acquiring the planned path information of the movable relay;

Moving the movable relay according to the planned path information.

According to another aspect of the present application, a communication device is provided, including:

a location acquiring unit, configured to acquire a first location where the movable relay is located, and a second location where the terminal is located, and the terminal receives data from the base station through the movable relay;

a determining unit, configured to determine the planned route information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal;

A sending unit, configured to send the planned route information of the movable relay to the movable relay.

According to another aspect of the present application, another communication device is provided, including:

an information acquiring unit, configured to acquire the planned route information of the movable relay;

A control unit, configured to move the movable relay according to the planned path information.

According to another aspect of the present application, a processor-readable storage medium is provided, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to perform any of the above-mentioned A communication method described in an embodiment.

According to another aspect of the present application, a computer program product is provided, including a computer program, when the computer program is executed by a processor, the communication method described in any one of the above embodiments of the present application is implemented.

The communication method, device, base station, movable relay, and storage medium provided in the embodiments of the present application obtain the first location where the movable relay is located and the second location where the terminal is located through the base station, wherein the terminal uses the mobile relay The relay receives data from the base station; according to the energy efficiency of the mobile relay, the first position of the mobile relay and the second position of the terminal, determine the planned path information of the mobile relay, and send the planned path information of the mobile relay to a removable relay. In this way, the base station can determine the planned route information of the mobile relay according to the energy efficiency of the mobile relay, the location of the mobile relay, and the location of the terminal. If the energy efficiency of the relay is determined, the energy efficiency state of the movable relay can be fully considered, so that the movable relay can move according to the planned path information, which can improve the energy efficiency of the movable relay and prolong the communication service time of the movable relay.

It should be understood that what is described in this section is not intended to identify key or important features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will be easily understood from the following description.

Description of drawings

The accompanying drawings are used to better understand the solution, and do not constitute a limitation to the application. in:

FIG. 1 is a schematic flowchart of a communication method provided in Embodiment 1 of the present application;

FIG. 2 is a schematic flowchart of a communication method provided in Embodiment 2 of the present application;

FIG. 3 is a schematic flowchart of a communication method provided in Embodiment 3 of the present application;

FIG. 4 is a schematic flowchart of a communication method provided in Embodiment 4 of the present application;

FIG. 5 is a schematic diagram of a communication scenario of a mobile relay in an embodiment of the present application;

FIG. 6 is a schematic diagram of an interaction process between a base station and a mobile relay in an embodiment of the present application;

FIG. 7 is a schematic flowchart of a communication method provided in Embodiment 5 of the present application;

FIG. 8 is a schematic structural diagram of a base station provided in Embodiment 6 of the present application;

FIG. 9 is a schematic structural diagram of a mobile relay provided in Embodiment 7 of the present application;

FIG. 10 is a schematic structural diagram of a communication device provided in Embodiment 8 of the present application;

FIG. 11 is a schematic structural diagram of a communication device provided by Embodiment 9 of the present application.

Detailed ways

The term "and/or" in the embodiments of this application describes the association relationship of associated objects, indicating that there may be three relationships, for example, A and/or B, which may mean: A exists alone, A and B exist simultaneously, and B exists alone These three situations. The character "/" generally indicates that the contextual objects are an "or" relationship.

The term "plurality" in the embodiments of the present application refers to two or more, and other quantifiers are similar.

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

For scenarios where the ground base station is damaged or the base station deployment density cannot meet the terminal communication service quality requirements, such as emergency disaster relief, large-scale sports events, etc., it may not be possible to ensure that the terminal establishes a stable network connection with the ground base station and provides sufficient communication transmission resources, resulting in terminal business failures. interrupted or could not be established. At this time, a mobile relay can be used to provide services for ground terminals. For example, a drone can be used to mount communication base station equipment as a mobile relay (or called an air relay) to provide services for ground terminals.

Among them, the use of unmanned aerial vehicles to mount communication base station equipment as a mobile relay for air mobile relay communication has the advantages of high mobility and easy deployment, and can be received through the wireless backhaul link established between it and the remote base station. Control instructions, business data, etc. from the remote ground network (ie remote base station), and further forward the received data to the ground terminal. Due to the limited energy consumption and load of the mobile relay, it is necessary to optimize the mobile trajectory and communication resource deployment of the mobile relay to improve the energy efficiency of the mobile relay and prolong the communication service time.

In related technologies, the trajectory optimization method of the movable relay mainly adopts block coordinate descent, optimization method of continuous convex approximation and deep reinforcement learning method. For example, considering constraints such as the trajectory constraints of the movable relay, the maximum movement rate of the movable relay, and the energy constraints of ground sensors, the trajectory of the movable relay can be optimized jointly by the block coordinate descent method and the continuous convex approximation technique, Sensor wake-up schedules and time slots are designed to maximize the energy efficiency of mobile relays. For another example, deep reinforcement learning can be used to intelligently decide the moving direction, moving speed, moving acceleration and return time of the mobile relay.

However, the optimization methods based on convex optimization and continuous convex approximation have the following two defects:

On the one hand, the mathematical model that can be solved is usually a large simplification of the actual environment, and the performance of the model decreases greatly during actual deployment, making it difficult to apply.

On the other hand, the movement trajectories of movable relays are pre-set, which is less flexible and difficult to adapt to changes in tasks or goals.

Although the method based on deep reinforcement learning has good adaptability and can predict the moving path of the movable relay based on historical experience, but because deep reinforcement learning pursues the long-term effectiveness of network performance, its influence on communication resources such as bandwidth and power Real-time decisions are often suboptimal.

Therefore, in order to solve the above problems, the embodiment of the present application provides a communication method and device, wherein the method and the device are conceived based on the same application, and since the method and the device have similar problem-solving principles, the implementation of the device and the method can be mutually For reference, repeating points will not be repeated.

The communication method, device, base station, removable relay and storage medium provided by the present application will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic flowchart of a communication method provided in Embodiment 1 of the present application.

The communication method in the embodiment of the present application may be performed by a base station.

Wherein, the base station may include multiple cells providing services for the terminal. Depending on the specific application, the base station can also be called an access point, or it can be a device in the access network that communicates with wireless terminals through one or more sectors on the air interface, or other names. The base station is operable to interchange received over-the-air frames with Internet Protocol (IP) packets and acts as a router between the wireless terminal and the rest of the access network, which may include Internet Protocol (IP) packets. (IP) communication network. The base station may also coordinate attribute management for the air interface. For example, the base station involved in the embodiment of the present application may be a Base Transceiver Station (Base Transceiver Station, referred to as GSM) or Code Division Multiple Access (CDMA) in the Global System for Mobile communications (GSM for short). BTS), it can also be a base station (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved type in a long term evolution (LTE) system A base station (eNB or e-NodeB for short), a 5G base station (gNB for short) in a 5G network architecture (next generation system), or a Home evolved Node B (HeNB for short), a relay node (relay node), home base station (femto), pico base station (pico), etc., are not limited in this embodiment of the present application. In some network structures, the base station may include a Centralized Unit (CU for short) node and a Distributed Unit (DU for short) node, and the Centralized Unit and the distributed unit may also be arranged geographically separately.

As shown in Figure 1, the communication method may include the following steps:

Step 101, acquiring a first location where a movable relay is located and a second location where a terminal is located, where the terminal receives data from a base station through the movable relay.

Wherein, the terminal may be a device that provides voice and/or data connectivity to the user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, and the like. In different systems, the name of the terminal may be different. For example, in a 5G system, the terminal may be called User Equipment (User Equipment, UE for short). Among them, the wireless terminal can communicate with one or more core networks (Core Network, CN for short) via a radio access network (Radio Access Network, RAN for short), and the wireless terminal can be a mobile terminal device, such as a mobile phone (or called "Cellular" telephones) and computers with mobile terminal equipment, such as portable, pocket, hand-held, built-in computer or vehicle-mounted mobile devices, which exchange speech and/or data with the radio access network. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistant (PDA) Digital Assistant, referred to as PDA) and other equipment. A wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, Remote terminal equipment (remote terminal), access terminal equipment (access terminal), user terminal equipment (user terminal), user agent (user agent), and user device (user device) are not limited in this embodiment of the application.

In this embodiment of the present application, the number of terminals that communicate with the base station through the mobile relay may be at least one.

In this embodiment of the present application, the first location where it is located and the second location where each terminal is located can be collected through the mobile relay. After reaching the second position, the first position of itself and the second position of each terminal can be sent to the base station, so that the base station can obtain the first position where the mobile relay is located, and the second position where each terminal is located. the second position of . Wherein, each terminal communicates with the base station through a movable relay.

Step 102, according to the energy efficiency of the movable relay, the first location of the movable relay and the second location of the terminal, determine the planned route information of the movable relay.

In the embodiment of the present application, the base station may determine the planned path information of the movable relay according to the energy efficiency (ie, energy efficiency) of the movable relay, the first location of the movable relay, and the second location of the terminal.

As an example, the base station may determine, according to the energy efficiency of the mobile relay, the first position of the mobile relay, and the second position of the terminal, the planned path of the mobile relay when the energy efficiency of the mobile relay is maximized. information.

As another example, considering that the energy efficiency of the movable relay may not be maximized in the actual application process, in this disclosure, the base station may The second position of the mobile relay is determined to determine the planned route information of the mobile relay when the energy efficiency of the mobile relay is close to the maximum state.

For example, the base station may determine the planned path information of the movable relay in a state where the difference between the energy efficiency of the movable relay and the maximum energy efficiency is smaller than a first set threshold. Alternatively, the base station may determine the planned path information of the movable relay in a state where the energy efficiency of the movable relay is greater than a second set threshold. Wherein, the second set threshold is greater than the first set threshold.

Step 103: Send the planned route information of the movable relay to the movable relay.

In the embodiment of the present application, the base station may send the planned path information of the movable relay to the movable relay, so that the movable relay can move according to the planned path information.

In any embodiment of the present application, the planned path information of the mobile relay may include movement parameters of the mobile relay, where the movement parameters may include at least one of moving speed, moving direction, and moving distance.

The motion parameters include the moving direction and moving distance as an example. After receiving the planned path information, the mobile relay can calculate the moving speed v(t) of the mobile relay in the unit time slot δ according to the moving distance. According to Moving direction, moving with speed v(t).

The motion parameters include moving direction and moving speed for illustration. Assuming that the moving speed is v, after receiving the planned path information, the movable relay can move according to the moving direction and at a speed of v.

The motion parameters include moving speed, moving direction, and moving distance for example. Assuming that the moving speed is v, the mobile relay can also move at a speed of v according to the moving direction after receiving the planned path information.

In the communication method of the embodiment of the present application, the base station obtains the first position where the mobile relay is located and the second position where the terminal is located, wherein the terminal receives data from the base station through the mobile relay; according to the energy efficiency of the mobile relay 1. The first location of the movable relay and the second location of the terminal, determining the planned path information of the movable relay, and sending the planned path information of the movable relay to the movable relay. Thus, the base station can determine the planned route information of the mobile relay according to the energy efficiency of the mobile relay, the location of the mobile relay, and the location of the terminal. Since the path planning information is combined with the If the energy efficiency of the relay is determined, the energy efficiency status of the movable relay can be fully considered, so that the movable relay can move according to the planned path information, which can improve the energy efficiency of the movable relay and prolong the communication service time of the movable relay.

In a possible implementation of the embodiment of the present application, the base station may also determine the communication resource parameters of the mobile relay in the state of maximizing energy efficiency according to the planned path information, so as to configure the communication resource parameters of the mobile relay and The energy efficiency of the mobile relay can be further improved by configuring the transmission link between the terminals and/or configuring the transmission link between the mobile relay and the base station.

The above process will be described in detail below in conjunction with Embodiment 2.

FIG. 2 is a schematic flowchart of a communication method provided in Embodiment 2 of the present application.

As shown in Figure 2, the communication method may be performed by a base station, and may include the following steps:

Step 201, acquiring a first location where a mobile relay is located and a second location where a terminal is located, where the terminal receives data from a base station through the mobile relay.

Step 202: Determine planned route information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal.

Steps 201 to 202 may be implemented in any one of the embodiments of the present application, which is not limited in the embodiments of the present application, and will not be repeated here.

In any embodiment of the present application, the base station can obtain the third location where it is located, based on the energy efficiency of the movable relay, the first location where the movable relay is located, the second location where the terminal is located, and the base station In the third position, the planned path information of the movable relay is determined.

Taking the number of terminals as N as an example, after the mobile relay collects its first location and the second location of each terminal, it can generate the first state data according to the first location and the second location, The first state data s _t 'may be:

in,

represent the position coordinates (i.e. the first position) of the movable relay in time slot t,

Indicates the position coordinates (that is, the second position) of each terminal in time slot t. Wherein, both the first position and the second position are relative position coordinates with the origin at the position of the movable relay in the current time slot (ie, slot t).

After receiving the first state data sent by the mobile relay, the base station may combine its own third position and the first state data into second state data. For example, the second state data _st may be

Wherein, [x _B , y _B , z _B ] ^T represents the location coordinates of the base station (that is, the third location), and the third location of the base station generally does not change with time.

The base station can input the second state data into the deep reinforcement learning model. Taking the optimization goal of the deep reinforcement learning model as an example to maximize the energy efficiency of the movable relay, the deep reinforcement learning model can output an action decision, and the action decision is used for Indicates the path planning decision of the mobile relay in the next time slot.

For example, the _action decision output by the deep reinforcement learning model is a _t = [x ^t ,y ^t ,z ^t ] ^T , where at is used to indicate the moving direction and movement distance, where x ^t represents the moving direction of the mobile relay on the abscissa (positive and negative directions relative to the origin of coordinates) and the moving distance at time slot t, where x ^t ∈ {-NΔx,-(N-1 )Δx,...,0,...,NΔx}, Δx represents the unit movement distance on the abscissa; y ^t represents the movement direction and movement distance of the mobile relay on the ordinate at time slot t, where, y ^t ∈{-MΔy,-(M-1)Δy,...,0,...,MΔy}, Δy represents the unit movement distance on the ordinate; z ^t represents the mobile relay at time slot t The moving direction and moving distance on the vertical coordinate, where z ^t ∈ {-KΔz,-(K-1)Δz,...,0,...,KΔz}, Δz represents the unit moving distance on the vertical coordinate.

Then according to the action decision a _t , the moving distance in the planning path information can be determined as:

The moving direction is the direction of [x ^t ,y ^t ,z ^t ] ^T vector; the moving speed is:

Among them, δ _t represents the unit time slot length.

Step 203: Send the planned route information of the movable relay to the movable relay.

Step 203 may be implemented in any one of the embodiments of the present application, which is not limited in the embodiments of the present application, and will not be repeated here.

Step 204, according to the planned path information, determine the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay.

In the embodiment of the present application, the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay may be determined according to the planned path information.

As an example, the mobile power p _pro (v(t)) of the movable relay can be determined according to the planned path information, for example, the moving speed of the movable relay can be determined according to the planned path information, and according to the moving speed, determine The mobile power p _pro (v(t)) of the mobile relay. According to the mobile power of the mobile relay, the channel gain information between the mobile relay and each terminal, and the channel gain information between the mobile relay and the base station, the energy efficiency of the mobile relay can be determined by using a convex optimization algorithm The communication resource parameters of the mobile relay in the maximized state, where the energy efficiency formula of the mobile relay is:

Among them, the energy efficiency maximization of the mobile relay can be realized by maximizing the total channel capacity R(t) from the mobile relay to each terminal, and p _pro (v(t)) is the mobile power of the mobile relay.

It should be noted that this application only takes step 204 to be executed after step 203 as an example, but this application is not limited thereto. In actual application, step 204 only needs to be executed after step 202. For example, step 204 can also be executed after Step 203 is executed before, or, step 204 may also be executed in parallel with step 203, which is not limited in this application.

Step 205, configure the transmission link between the mobile relay and the terminal, and/or the transmission link between the mobile relay and the base station according to the communication resource parameters.

In the embodiment of the present application, the base station may configure the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or configure the transmission link between the mobile relay and the base station according to the communication resource parameters. Wherein, the transmission link between the movable relay and the terminal, and the transmission link between the movable relay and the base station are used for the terminal to receive data from the base station through the movable relay.

The communication method of the embodiment of the present application determines the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay according to the planned path information; configures the transmission link between the mobile relay and the terminal according to the communication resource parameters road, and/or the transmission link between the mobile relay and the base station. In this way, not only the moving trajectory of the mobile relay can be optimized, but also the communication resources of the mobile relay can be optimized, the energy efficiency of the mobile relay can be further improved, and the communication service time of the mobile relay can be extended.

In order to clearly illustrate how the base station determines the communication resource parameters of the mobile relay in the state where the energy efficiency of the mobile relay is maximized in the above embodiments of the present application, the present application also proposes a communication method.

FIG. 3 is a schematic flowchart of a communication method provided in Embodiment 3 of the present application.

As shown in Figure 3, the communication method may be performed by a base station, and may include the following steps:

Step 301, acquiring a first location where a movable relay is located and a second location where a terminal is located, and the terminal receives data from a base station through the movable relay.

Step 302: Determine planned route information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal.

Step 303: Send the planned route information of the movable relay to the movable relay.

Steps 301 to 303 may be implemented in any one of the embodiments of the present application, which is not limited in the embodiments of the present application, and will not be repeated here.

Step 304: Determine the mobile energy consumption of the movable relay according to the planned route information.

It should be noted that for a mobile relay, its energy consumption mainly includes two aspects, one is communication energy consumption, and the other is mobile energy consumption. Compared with mobile energy consumption, the communication energy consumption of a mobile relay can be Ignore it. Therefore, in this application, only the mobile energy consumption may be considered for the energy consumption of the mobile relay.

In the embodiment of this application, the mobile energy consumption of the mobile relay is positively related to the mobile power of the mobile relay, that is, the mobile energy consumption increases with the increase of the mobile power, and decreases with the decrease of the mobile power. decrease. Therefore, in this application, the mobile energy consumption of the mobile relay can be determined according to the mobile power of the mobile relay.

As an example, the mobile power of a mobile relay at time slot t can be expressed as:

Among them, v(t) represents the moving speed in the planned path information, P _b represents the blade profile power of the movable relay in the hovering state, _Pi represents the blade induced power of the movable relay in the hovering state, and v ₀ represents the average rotor-induced velocity of the movable relay in the hovering state, U _tip represents the tip speed of the rotor blade, d ₀ represents the fuselage drag ratio of the movable relay, ρ represents the air density, and s represents the The solidity of the relay rotor, A represents the rotor disc area of the movable relay.

Step 305, according to the mobile energy consumption, determine the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay.

In any embodiment of the present application, the communication resource parameters may include at least one of the following parameters: the channel bandwidth between the mobile relay and the terminal; the power of the mobile relay to send data to the terminal; The rate at which the relay sends data to the terminal; the channel bandwidth between the mobile relay and the base station; the power at which the base station sends data to the mobile relay; the rate at which the base station sends data to the mobile relay.

In the embodiment of this application, the base station can use convex optimization according to the mobile energy consumption of the mobile relay, the channel gain information between the mobile relay and each terminal, and the channel gain information between the mobile relay and the base station. An algorithm is used to determine the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay.

Step 306, configure the transmission link between the mobile relay and the terminal, and/or the transmission link between the mobile relay and the base station according to the communication resource parameters.

Step 306 may be implemented in any one of the embodiments of the present application, which is not limited in the embodiments of the present application, and will not be repeated here.

In the communication method of the embodiment of the present application, the mobile energy consumption of the mobile relay is determined according to the planned path information; and the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay are determined according to the mobile energy consumption. In this way, not only the moving trajectory of the mobile relay can be optimized, but also the communication resources of the mobile relay can be optimized, the energy efficiency of the mobile relay can be further improved, and the communication service time of the mobile relay can be extended.

FIG. 4 is a schematic flowchart of a communication method provided in Embodiment 4 of the present application.

As shown in Figure 4, the communication method may be performed by a base station, and may include the following steps:

Step 401, acquiring a first location where a movable relay is located and a second location where a terminal is located, and the terminal receives data from a base station through the movable relay.

Step 402: Determine planned route information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal.

Step 403: Send the planned path information of the movable relay to the movable relay.

Step 404: Determine the mobile energy consumption of the movable relay according to the planned route information.

Steps 401 to 404 can be implemented in any one of the embodiments of the present application, which is not limited in the embodiments of the present application, and will not be repeated here.

Step 405, obtain the energy efficiency of the movable relay, the relationship between the mobile energy consumption and the communication resource parameters of the movable relay; wherein, the energy efficiency of the movable relay and the mobile energy consumption have an inverse relationship; the movable relay The energy efficiency of is positively related to the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal; the channel capacity is determined according to the communication resource parameters.

In the embodiment of the present application, the relationship between the energy efficiency of the mobile relay, the mobile energy consumption, and the communication resource parameters of the mobile relay is predetermined. Among them, the energy efficiency of the mobile relay has an inverse relationship with the mobile energy consumption, that is, the energy efficiency of the mobile relay decreases with the increase of the mobile energy consumption. Conversely, the energy efficiency of the mobile relay decreases with the increase of the mobile energy consumption Decrease and increase. Moreover, the energy efficiency of the mobile relay is positively related to the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal, that is, the energy efficiency of the mobile relay increases with the The channel capacity between the mobile relay and the terminal and the channel capacity between the mobile relay and the terminal increase. On the contrary, the energy efficiency of the mobile relay increases with the channel capacity between the mobile relay and the base station and the channel capacity between the mobile relay and the terminal. The channel capacity between the mobile relay and the terminal is reduced, wherein the channel capacity is determined according to communication resource parameters.

As an example, the energy consumption calculation formula of the movable relay in formula (1) can be improved as:

Among them, I represents the number of terminals; R _ui (t) represents the channel capacity between the mobile relay and terminal i in the time slot t; p _pro (v(t)) represents the mobile power of the mobile relay (ie mobile propulsion power), is a function of the speed of movement.

For the channel capacity between the mobile relay and the terminal i, the Shannon formula can be used to determine:

in,

Indicates the channel bandwidth between the mobile relay and terminal i,

Indicates the power of the mobile relay to send data to the terminal i (that is, the transmission power of the mobile relay to send data to the terminal i), σ ² represents the Gaussian white noise power,

Indicates the real-time channel gain between the mobile relay and terminal i, which can be collected by the mobile relay.

Similarly, the channel capacity between the mobile relay and the base station can be:

in,

Indicates the channel bandwidth from the mobile relay to the base station,

Indicates the power of the base station to send data to the mobile relay,

Indicates the real-time channel gain from the base station to the mobile relay, which can be collected by the mobile relay.

Step 406, under the set constraint conditions, determine the communication resource parameters of the movable relay in the energy efficiency maximization state.

In a possible implementation of the embodiment of the present application, setting the constraint condition may include: the sum of the channel bandwidth from the mobile relay to the base station and the channel bandwidth from the mobile relay to the terminal in the communication resource parameter is less than or equal to the set Fixed bandwidth.

For example, the number of marked terminals is I, the set bandwidth is B, and the channel bandwidth from the mobile relay to the base station is

The channel bandwidth from the mobile relay to the terminal is

Then set the constraints can be C1:

In a possible implementation manner of the embodiment of the present application, setting the constraint condition may include: in the communication resource parameter, the data transmission power of the mobile relay to the terminal is less than the set power.

For example, if the label sets the power as p _max , then the set constraint can be C2:

In a possible implementation manner of the embodiment of the present application, setting the constraint condition may include: in the communication resource parameter, the rate at which the mobile relay receives data from the base station is greater than or equal to the rate at which the mobile relay sends data to the terminal.

Among them, the rate at which the mobile relay receives data from the base station can be characterized by the channel capacity between the mobile relay and the base station, that is, the rate at which the mobile relay receives data from the base station and the channel between the mobile relay and the base station The capacity has a positive relationship. Similarly, the rate at which the mobile relay sends data to the terminal can be characterized by the channel capacity between the mobile relay and the terminal, that is, the rate at which the mobile relay sends data to the terminal is the same as the rate at which the mobile relay transmits data to the terminal. There is a positive relationship between the channel capacity and the terminal. Then set the constraints can be C3:

It should be noted that the above is only an example of setting constraints including one condition. In actual application, setting constraints may include multiple conditions. For example, setting constraints may include formulas (6) and (7), or, Setting constraints may include formulas (6) and (8), or setting constraints may include formulas (7) and (8), or setting constraints may include formulas (6), (7) and ( 8), the present application does not limit this.

In the embodiment of the present application, the optimization goal may be to determine the communication resource parameters of the mobile relay in the state of maximizing energy efficiency under the set constraint conditions.

As an example, according to the following formula (9), under setting constraints, the energy efficiency of the mobile relay in each time slot can be maximized, and the communication resource parameters of the mobile relay in the energy efficiency maximization state can be determined.

Among them, P1 refers to the optimization objective, and C1, C2 and C3 are set constraints.

For example, the block coordinate descent method can be used to determine the communication resource parameters of the mobile relay in the state of maximizing energy efficiency.

As an example, the communication resource parameters of the mobile relay in the state of maximizing energy efficiency may be determined through the following steps:

Step 1, initialize, set the algorithm precision ε, execute round r, the maximum execution round R, and determine a set of initial feasible solutions

Step 2: For a given round r corresponding

Solve the problem P1 in formula (9), and get the optimized

Step 3: For a given

Continue to solve the problem P1 in the formula (9), and get the optimized

Step 4: Let r←r+1;

Step 5: When |η ^t (r+1)-η ^t (r)|≤ε or r≥R, output

Otherwise, return to step two.

in,

That is, the communication resource parameter of the movable relay.

Finally, according to the received planning path information and the communication resource parameters of the mobile relay

Calculate the energy efficiency η ^t of the movable relay.

Step 407, configure the transmission link between the mobile relay and the terminal, and/or the transmission link between the mobile relay and the base station according to the communication resource parameters.

Step 407 may be implemented in any one of the embodiments of the present application, which is not limited in the embodiments of the present application, and will not be repeated here.

In any embodiment of the present application, the base station can also send communication resource parameters to the mobile relay, so that the mobile relay can configure the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/ Or, configure the transmission link between the mobile relay and the base station according to the communication resource parameters.

Further, as shown in the example in step 406, the following steps may also be included:

Step six, the base station can update the network parameters of the deep reinforcement learning model according to the energy efficiency η ^t of the movable relay. Among them, the network parameters of the deep reinforcement learning model mainly include the relevant parameters of each neuron and interneuron in the deep reinforcement learning model. The deep reinforcement learning model uses the energy efficiency η ^t transmitted by the mobile relay as the reward function corresponding to the action decision at _t , that is, the reward function R _t = η ^t . Finally, the Q table can be updated according to {s _t , a _t , R _t }, where the Q table includes the mapping relationship between state and action, and can be determined by querying the Q table according to the current state value (ie _st ) The action (ie a _t ) corresponding to the largest state-action value (Q value). Therefore, it is possible to optimize communication resources while improving the energy efficiency of the mobile relay.

Step 7, the base station configures the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or configures the transmission link between the mobile relay and the base station. The mobile relay configures the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or configures the transmission link between the mobile relay and the base station, for example, the mobile relay can be each The terminal allocates the frequency and bandwidth specified by the communication resource parameters, and sends data to each terminal with the power specified by the communication resource parameters.

The communication method of the embodiment of the present application can not only realize the optimization of the movement trajectory of the mobile relay, but also realize the optimization of the communication resources of the mobile relay, which can further improve the energy efficiency of the mobile relay and prolong the communication service of the mobile relay time.

In any embodiment of the present application, take the use of unmanned aerial vehicles to mount communication base station equipment as an example as a mobile relay (or called air relay). The communication scene diagram of the mobile relay can be shown in Figure 5 As shown in , the mobile relay establishes wireless connections for the remote base station and the ground terminal respectively, and provides communication services for the ground terminal. In order to realize the reasonable planning of the moving path of the movable relay, in this application, the path planning method jointly optimized by the deep reinforcement learning model and the convex optimization algorithm can be used to realize the reasonable prediction of the moving path of the movable relay and the Effective deployment of subsequent communication resources.

Specifically, the interaction process between the base station and the mobile relay can be shown in Figure 6. The base station can receive the first status data sent by the mobile relay (including the first position of the mobile relay and the location The second position), and according to the first state data and its own third position, generate the second state data, and use the deep reinforcement learning model to output the action decision according to the second state data, and the action decision is used to instruct the movable relay to go down The planned path information of a time slot. The base station can send the action decision or planned path information to the movable relay, so that the movable relay can move according to the planned path information indicated by the action decision, for example, according to the moving speed and moving direction in the planned path information, in the unit Within a certain period of time, according to the moving direction, move at a constant speed at the moving speed, and move to the specified position.

The base station can also determine the communication resource parameters of the mobile relay when the energy efficiency of the mobile relay is maximized according to the planned path information indicated by the action decision, and configure the transmission link between the mobile relay and the terminal according to the communication resource parameters , and/or configure a transmission link between the mobile relay and the base station. Moreover, the determined energy efficiency can also be passed back to the deep reinforcement learning model to optimize the network parameters in the deep reinforcement learning model.

Specifically, the calculation of planned path information and communication resource parameters can be realized through the following three parts:

The first part is information collection.

The mobile relay can collect the first location where it is located and the second location where each terminal is located, and send the first location where it is located and the second location where each terminal is located to the base station.

In addition, the mobile relay can also collect the real-time channel gain between the mobile relay and each terminal, and the real-time channel gain between the mobile relay and the base station. The collected real-time channel gain is used to optimize the following communication resource parameters. That is, in this application, the channel state is acquired in real time by the mobile relay, and is no longer calculated by a common channel model (such as a free space path loss model).

The second part is path planning and resource deployment.

1. The base station receives the first position and each second position sent by the mobile relay, and generates the second state data in combination with the third position where it is located, as the input of the deep reinforcement learning model, and sets the optimization of the deep reinforcement learning model The goal is to maximize the energy efficiency of the mobile relay, then the action decision can be output by the deep reinforcement learning model, which is used to indicate the planned path information of the mobile relay in the next time slot, such as indicating the location of the mobile relay in the three-dimensional space The moving distance and moving direction on horizontal, vertical and vertical coordinates. The base station can send the action decision to the movable relay, so that the movable relay can move according to the planned path information indicated by the action decision.

2. The movable relay determines the moving direction and moving distance according to the action decision, and calculates the moving speed v(t) of the movable relay within the unit time slot δ according to the moving distance; the movable relay can move according to Direction, move at a constant speed at the moving speed, and move to the specified position.

3. The mobile power p _pro (v(t)) of the mobile relay can be determined according to the mobile speed, according to the real-time channel gain information between the mobile relay and each terminal, and the distance between the mobile relay and the base station The channel gain information of the channel, using the optimization algorithm to optimize the communication resource parameters to maximize the total channel capacity R(t) of the mobile relay to all terminals, so as to achieve the energy efficiency of the mobile relay

of maximization.

4. Determine the energy efficiency of the mobile relay according to the communication resource parameters, and optimize the network parameters of the deep reinforcement learning model according to the energy efficiency.

The third part is the deployment and execution of communication resources.

The base station configures the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or configures the transmission link between the mobile relay and the base station. The mobile relay configures the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or configures the transmission link between the mobile relay and the base station. For example, the mobile relay can allocate The frequency and bandwidth specified by the communication resource parameters, and the power specified by the communication resource parameters are used to send data to each terminal.

To sum up, in this application, the convex optimization method is combined with the deep reinforcement learning model. The deep reinforcement learning model provides the planning path information of the mobile relay, and the convex optimization algorithm determines the communication resource parameters to obtain the maximum value of the planning path information. The energy efficiency of the removable relay is passed back to the deep reinforcement learning model as a reward for further optimization of the network parameters of the deep reinforcement learning model.

Compared with related technologies that use deep reinforcement learning models for path planning and communication resource deployment, in this application, the convex optimization method and deep reinforcement learning models are combined for path planning and communication resource deployment. The depth of the deep reinforcement learning model used is The network size is smaller, so the solution space is also smaller, which can save a lot of model training time. And compared with the path planning and communication resource deployment method based on the convex optimization algorithm in the related art, this application is closer to the real network environment, without greatly simplifying the actual environment, which is conducive to the actual deployment of the model; at the same time, this application can real-time Moreover, the moving path of the movable relay is dynamically adjusted, so the flexibility is higher.

The foregoing is a communication method performed by a base station, and this application also proposes a communication method performed by a mobile relay.

FIG. 7 is a schematic flowchart of a communication method provided in Embodiment 5 of the present application.

As shown in Figure 7, the communication method may be performed by a mobile relay, and may include the following steps:

Step 701, acquire planned route information of a movable relay.

In a possible implementation of the embodiment of the present application, the base station may determine the planned path information of the mobile relay, and send the planned path information of the mobile relay to the mobile relay through the base station. The mobile relay can receive the planned route information of the mobile relay sent by the base station.

As an example, the mobile relay can send the first location where it is located and the second location where the terminal is located to the base station, so that the base station can The location and the second location where the terminal is located determine the planned path information of the movable relay. Wherein, the terminal receives data from the base station through the movable relay.

In another possible implementation manner of the embodiment of the present application, the mobile relay may determine the planned route information corresponding to itself.

As an example, the mobile relay may determine its corresponding planned route information according to its first location, its corresponding energy efficiency, and the terminal's second location. Wherein, the terminal receives data from the base station through the movable relay.

Step 702, move the movable relay according to the planned route information.

In the embodiment of the present application, the movable relay may be moved according to the planned route information.

In a possible implementation manner of the embodiment of the present application, the planned path information includes movement parameters of the movable relay, and the movement parameters include movement speed, movement direction and/or movement distance.

In a possible implementation of the embodiment of the present application, the mobile relay may also determine the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay according to the planned path information; according to the communication resource parameter configuration The transmission link between the mobile relay and the terminal, and/or the transmission link between the mobile relay and the base station; wherein, the transmission link between the mobile relay and the terminal, and the transmission link between the mobile relay and the base station The transmission link between the base stations is used for the terminal to receive data from the base station through the movable relay.

In a possible implementation of the embodiment of the present application, the mobile relay may determine the mobile energy consumption of the mobile relay according to the planned path information; and determine the maximum energy efficiency of the mobile relay according to the mobile energy consumption. The communication resource parameters of the movable relay.

In a possible implementation of the embodiment of the present application, the mobile relay can obtain the relationship between the energy efficiency of the mobile relay, the energy consumption of the mobile and the communication resource parameters of the mobile relay; The energy efficiency of the relay is inversely related to the energy consumption of the mobile; the energy efficiency of the mobile relay is positively related to the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal; the channel capacity It is determined according to the communication resource parameters; under the set constraint conditions, determine the communication resource parameters of the mobile relay in the state of maximizing energy efficiency.

In a possible implementation of the embodiment of this application, the communication resource parameters include at least one of the following: the channel bandwidth between the mobile relay and the terminal; the power of the mobile relay to send data to the terminal; The rate at which the relay sends data to the terminal; the channel bandwidth between the mobile relay and the base station; the power at which the base station sends data to the mobile relay; the rate at which the base station sends data to the mobile relay.

In a possible implementation of the embodiment of the present application, the mobile relay can also send communication resource parameters to the base station. Correspondingly, after receiving the communication resource parameters, the base station can configure the mobile relay and A transmission link between terminals, and/or a transmission link between a mobile relay and a base station.

It should be noted that, for those skilled in the art, the explanations and technical details of the communication method performed by the base station in any of the above-mentioned embodiments are also applicable to the above-mentioned mobile relay, and its implementation principle is similar, here I won't go into details.

In the communication method of the embodiment of the present application, the planned path information of the movable relay is obtained through the movable relay, and the movable relay is moved according to the planned path information. Thus, the movable relay moves according to the planned path information, which can improve the energy efficiency of the movable relay and prolong the communication service time of the movable relay.

The technical solutions provided by the embodiments of the present application can be applied to various systems, especially 5G systems. For example, the applicable system can be Global System of Mobile communication (GSM for short) system, Code Division Multiple Access (CDMA for short) system, Wideband Code Division Multiple Access (WCDMA for short). ) general packet radio service (General Packet Radio Service, referred to as GPRS) system, long term evolution (long term evolution, referred to as LTE) system, LTE frequency division duplex (Frequency Division Duplex, referred to as FDD) system, LTE time division duplex (time division duplex (TDD for short) system, Long Term Evolution Advanced (LTE-A for short) system, Universal Mobile Telecommunication System (UMTS for short), Worldwide interoperability for Microwave Access (WiMAX for short) ) system, 5G New Radio (NR) system, etc. These various systems include end devices and network devices. The system may also include a core network part, such as an evolved packet system (EPS for short), a 5G system (5GS), and the like.

In order to implement the foregoing embodiments, the present application further proposes a base station.

FIG. 8 is a schematic structural diagram of a base station provided in Embodiment 6 of the present application.

As shown in FIG. 8 , the base station may include: a transceiver 800 , a processor 810 , and a memory 820 .

Among them, the memory 820 is used to store computer programs; the transceiver 800 is used to send and receive data under the control of the processor 810; the processor 810 is used to read the computer programs in the memory 820 and perform the following operations: The first location where the relay is located and the second location where the terminal is located, the terminal receives data from the base station through the movable relay; according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal The location is to determine the planned route information of the movable relay; and send the planned route information of the movable relay to the movable relay.

The transceiver 800 is used for receiving and sending data under the control of the processor 810 .

Wherein, in FIG. 8 , the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 810 and various circuits of the memory represented by the memory 820 are linked together. The bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein. The bus interface provides the interface. The transceiver 800 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media. The processor 810 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 810 when performing operations.

The processor 810 may be a CPU, ASIC, FPGA or CPLD, and the processor 810 may also adopt a multi-core architecture.

In a possible implementation form of the present application, the planned path information of the movable relay includes movement parameters of the movable relay, and the movement parameters include moving speed, moving direction and/or moving distance.

In a possible implementation form of the present application, after determining the planned path information of the movable relay, it further includes: determining the communication resource parameters of the movable relay in a state of maximizing energy efficiency of the movable relay according to the planned path information; Configure the transmission link between the mobile relay and the terminal, and/or the transmission link between the mobile relay and the base station according to the communication resource parameters.

In a possible implementation form of the present application, according to the planned path information, determining the communication resource parameters of the movable relay in the state where the energy efficiency of the movable relay is maximized includes: determining the movement of the movable relay according to the planned path information. Energy consumption: according to the mobile energy consumption, determine the communication resource parameters of the mobile relay in the state where the energy efficiency of the mobile relay is maximized.

In a possible implementation form of the present application, according to the mobile energy consumption, determining the communication resource parameters of the mobile relay in the state where the energy efficiency of the mobile relay is maximized includes: obtaining the energy efficiency of the mobile relay, and the mobile energy consumption and the relationship between the communication resource parameters of the mobile relay; among them, the energy efficiency of the mobile relay and the mobile energy consumption are inversely related; the energy efficiency of the mobile relay and the channel capacity between the mobile relay and the base station, And the channel capacity between the mobile relay and the terminal is a positive relationship; the channel capacity is determined according to the communication resource parameters; under the set constraint conditions, determine the communication resource parameters of the mobile relay in the state of maximizing energy efficiency.

In a possible implementation form of the present application, the communication resource parameters include at least one of the following: the channel bandwidth between the mobile relay and the terminal; the data transmission power of the mobile relay to the terminal; The rate at which data is sent; the channel bandwidth between the mobile relay and the base station; the power at which the base station sends data to the mobile relay; the rate at which the base station sends data to the mobile relay.

In a possible implementation form of the present application, setting the constraint conditions includes at least one of the following: the sum of the channel bandwidth from the mobile relay to the base station and the channel bandwidth from the mobile relay to the terminal in the communication resource parameters is less than or equal to Set the bandwidth; in the communication resource parameters, the power of the mobile relay to send data to the terminal is less than the set power; in the communication resource parameters, the rate at which the mobile relay receives data from the base station is greater than or equal to the rate at which the mobile relay sends data to the terminal .

In a possible implementation form of the present application, after determining the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay according to the planned path information, the method further includes: sending the communication resource parameters to the mobile relay.

What needs to be explained here is that the base station provided in the embodiment of the present application can implement all the method steps implemented in the above method embodiments in Fig. 1 to Fig. 4, and can achieve the same technical effect. The same parts and beneficial effects of the method embodiments are described in detail.

In order to realize the foregoing embodiments, the present application also proposes a movable relay.

FIG. 9 is a schematic structural diagram of a mobile relay provided by Embodiment 7 of the present application.

As shown in FIG. 9 , the mobile relay may include: a transceiver 900 , a processor 910 , and a memory 920 .

Among them, the memory 920 is used to store computer programs; the transceiver 900 is used to send and receive data under the control of the processor 910; the processor 910 is used to read the computer programs in the memory 920 and perform the following operations: The planned path information of the relay; according to the planned path information, the movable relay is moved.

The transceiver 900 is used for receiving and sending data under the control of the processor 910 .

Wherein, in FIG. 9 , the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 910 and various circuits of the memory represented by the memory 920 are linked together. The bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein. The bus interface provides the interface. Transceiver 900 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media. The processor 910 is responsible for managing the bus architecture and general processing, and the memory 920 may store data used by the processor 910 when performing operations.

The processor 910 may be a CPU, ASIC, FPGA or CPLD, and the processor 910 may also adopt a multi-core architecture.

In a possible implementation form of the present application, the planned route information includes movement parameters of the movable relay, and the movement parameters include movement speed, movement direction and/or movement distance.

In a possible implementation form of the present application, obtaining the planned path information of the movable relay includes: receiving the planned path information of the movable relay sent by the base station; The planned route information of the mobile relay.

In a possible implementation form of the present application, before receiving the planned path information of the movable relay sent by the base station, the method includes: sending the first position of the movable relay to the base station.

In a possible implementation form of the present application, after acquiring the planned path information of the movable relay, the method further includes: determining the communication resource parameters of the movable relay in a state where the energy efficiency of the movable relay is maximized according to the planned path information; Configure the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or the transmission link between the mobile relay and the base station; wherein, the transmission link between the mobile relay and the terminal, and The transmission link between the mobile relay and the base station is used for the terminal to receive data from the base station through the mobile relay.

In a possible implementation form of the present application, after determining the communication resource parameters of the mobile relay in the state of maximizing the energy efficiency of the mobile relay according to the planned path information, the method further includes: sending the communication resource parameters to the base station.

What needs to be explained here is that the mobile relay provided by the embodiment of the present invention can realize all the method steps realized by the method embodiment in FIG. 7 above, and can achieve the same technical effect. The same parts and beneficial effects of the method embodiments are described in detail.

Corresponding to the communication method provided by the above-mentioned embodiments of Figures 1 to 4, the present application also provides a communication device. Since the communication device provided by the embodiment of the present application corresponds to the communication method provided by the above-mentioned embodiments of Figures 1 to 4, Therefore, the implementation of the communication method is also applicable to the communication device provided in the embodiment of the present application, and will not be described in detail in the embodiment of the present application.

FIG. 10 is a schematic structural diagram of a communication device provided in Embodiment 8 of the present application.

As shown in FIG. 10 , the communication device 1000 is applied to a base station, and may include: a position acquiring unit 1001 , a determining unit 1002 and a sending unit 1003 .

Wherein, the location acquiring unit 1001 is configured to acquire a first location where the movable relay is located and a second location where the terminal is located, and the terminal receives data from the base station through the movable relay.

The determining unit 1002 is configured to determine planned route information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal.

The sending unit 1003 is configured to send the planned path information of the movable relay to the movable relay.

Further, in a possible implementation form of the present application, the planned route information of the movable relay includes movement parameters of the movable relay, and the movement parameters include moving speed, moving direction and/or moving distance.

Further, in another possible implementation form of the present application, the determining unit 1002 is further configured to: determine the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay according to the planned path information.

The communication device 1000 may also include:

The configuration unit is configured to configure the transmission link between the mobile relay and the terminal, and/or the transmission link between the mobile relay and the base station according to the communication resource parameters.

Further, in another possible implementation form of the present application, the determining unit 1002 is specifically configured to: determine the mobile energy consumption of the mobile relay according to the planned route information; determine the energy efficiency of the mobile relay according to the mobile energy consumption The communication resource parameters of the mobile relay in the maximized state.

Further, in yet another possible implementation form of the present application, the determining unit 1002 is specifically configured to: acquire the relationship between the energy efficiency of the mobile relay, the energy consumption of the mobile, and the communication resource parameters of the mobile relay; , the energy efficiency of the mobile relay is inversely related to the mobile energy consumption; the energy efficiency of the mobile relay is positively related to the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal The relationship; the channel capacity is determined according to the communication resource parameters; under the set constraints, the communication resource parameters of the mobile relay in the state of maximizing energy efficiency are determined.

Further, in another possible implementation form of the present application, the communication resource parameters include at least one of the following: the channel bandwidth between the mobile relay and the terminal; the power of the mobile relay to send data to the terminal; The rate at which the relay sends data to the terminal; the channel bandwidth between the mobile relay and the base station; the power at which the base station sends data to the mobile relay; the rate at which the base station sends data to the mobile relay.

Further, in yet another possible implementation form of the present application, setting the constraint conditions includes at least one of the following: in the communication resource parameters, the difference between the channel bandwidth from the mobile relay to the base station and the channel bandwidth from the mobile relay to the terminal The sum is less than or equal to the set bandwidth; in the communication resource parameters, the power of the mobile relay to send data to the terminal is less than the set power; in the communication resource parameters, the rate at which the mobile relay receives data from the base station is greater than or equal to that of the mobile relay to the terminal The rate at which data is sent.

Further, in yet another possible implementation form of the present application, the sending unit 1003 is further configured to: send the communication resource parameter to the mobile relay.

What needs to be explained here is that the above-mentioned communication device provided by the embodiment of the present application can realize all the method steps realized by the above-mentioned method embodiments in Fig. 1 to Fig. 4 , and can achieve the same technical effect. The same parts and beneficial effects as those in the method embodiment will be described in detail.

Corresponding to the communication method provided by the embodiment of FIG. 7 above, this application also provides a communication device. Since the communication device provided by the embodiment of this application corresponds to the communication method provided by the embodiment of FIG. 7 above, the implementation of the communication method The manner is also applicable to the communication device provided in the embodiment of the present application, and will not be described in detail in the embodiment of the present application.

As shown in FIG. 11 , the communication device 1100 is applied to a mobile relay, and may include: an information acquisition unit 1101 and a control unit 1102 .

Wherein, the information acquiring unit 1101 is configured to acquire the planned route information of the movable relay.

The control unit 1102 is configured to move the movable relay according to the planned path information.

In a possible implementation form of the present application, the information obtaining unit 1101 is specifically configured to: receive the planned route information of the mobile relay sent by the base station; planning route information.

In a possible implementation form of the present application, the communications apparatus 1100 may further include: a sending unit, configured to send the first location of the movable relay to the base station.

In a possible implementation form of the present application, the communication apparatus 1100 may further include: a determination unit configured to determine communication resource parameters of the mobile relay in a state where the energy efficiency of the mobile relay is maximized according to the planned path information.

The configuration unit is configured to configure the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or the transmission link between the mobile relay and the base station; wherein, the transmission link between the mobile relay and the terminal The transmission link, and the transmission link between the movable relay and the base station, are used for the terminal to receive data from the base station through the movable relay.

In a possible implementation form of the present application, the determining unit is specifically configured to: determine the mobile energy consumption of the movable relay according to the planned route information; Communication resource parameters of the mobile relay.

In a possible implementation form of the present application, the determining unit is specifically configured to: acquire the relationship between the energy efficiency of the mobile relay, the energy consumption of the mobile, and the communication resource parameters of the mobile relay; wherein, the mobile relay The energy efficiency of the mobile relay has an inverse relationship with the mobile energy consumption; the energy efficiency of the mobile relay has a positive relationship with the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal; the channel capacity is Determined according to the communication resource parameters; under the set constraint conditions, determine the communication resource parameters of the movable relay in the state of maximizing energy efficiency.

In a possible implementation form of the present application, the sending unit is further configured to: send the communication resource parameter to the base station.

What needs to be explained here is that the above-mentioned communication device provided by the embodiment of the present application can realize all the method steps realized by the above-mentioned method embodiment in FIG. 7 , and can achieve the same technical effect. The same parts and beneficial effects of the embodiments are described in detail.

It should be noted that each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

An integrated unit may be stored in a processor-readable storage medium if it is realized in the form of a software function unit and sold or used as an independent product. Based on this understanding, the technical solution of the present application is essentially or part of the contribution to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) execute all or part of the steps of the methods in various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), magnetic disk or optical disc, etc. can store program codes. medium.

In order to implement the above embodiments, the present application further proposes a processor-readable storage medium.

Wherein, the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the communication method in any one of the embodiments shown in FIG. 1 to FIG. 4 of the present application.

Wherein, the processor-readable storage medium can be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.

Wherein, the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the communication method described in the embodiment in FIG. 7 of the present application.

Wherein, the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)), etc.

Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) having computer-usable program code embodied therein.

The present application is described with reference to flowcharts and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagrams, and combinations of procedures and/or blocks in the flowchart and/or block diagrams can be implemented by computer-executable instructions. These computer-executable instructions can be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine, such that instructions executed by the processor of the computer or other programmable data processing equipment produce Means for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, such that the instructions stored in the processor-readable memory produce a manufacturing product, the instruction device realizes the functions specified in one or more procedures of the flow chart and/or one or more blocks of the block diagram.

These processor-executable instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented The executed instructions provide steps for implementing the functions specified in the procedure or procedures of the flowchart and/or the block or blocks of the block diagrams.

Obviously, those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. In this way, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application is also intended to include these modifications and variations.

Claims

A communication method, characterized in that the method is performed by a base station, and the method includes:

Acquiring a first location where a movable relay is located, and a second location where a terminal is located, where the terminal receives data from the base station through the movable relay;

determining planned path information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal;

Send the planned route information of the movable relay to the movable relay.
The method according to claim 1, wherein the planned path information of the movable relay includes motion parameters of the movable relay, and the motion parameters include moving speed, moving direction and/or moving distance.
The method according to claim 1 or 2, wherein after determining the planned route information of the movable relay, further comprising:

determining, according to the planned path information, communication resource parameters of the movable relay in a state where the energy efficiency of the movable relay is maximized;

Configuring a transmission link between the mobile relay and the terminal, and/or a transmission link between the mobile relay and the base station according to the communication resource parameters.
The method according to claim 3, wherein the determining the communication resource parameters of the mobile relay in the state of maximizing energy efficiency of the mobile relay according to the planned route information includes:

determining the mobile energy consumption of the movable relay according to the planned route information;

According to the mobile energy consumption, determine the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay.
The method according to claim 4, wherein, according to the mobile energy consumption, determining the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay includes:

Obtaining the relationship between the energy efficiency of the mobile relay, the mobile energy consumption, and the communication resource parameters of the mobile relay; wherein, the energy efficiency of the mobile relay is inversely related to the mobile energy consumption Direct relationship; the energy efficiency of the mobile relay and the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal are in a positive relationship; The channel capacity is determined according to the communication resource parameters;

Under the set constraint condition, determine the communication resource parameters of the movable relay in the energy efficiency maximization state.
The method according to any one of claims 3-5, wherein the communication resource parameters include at least one of the following:

the channel bandwidth between the movable relay and the terminal;

The power of the mobile relay to send data to the terminal;

The rate at which the movable relay sends data to the terminal;

The channel bandwidth between the mobile relay and the base station;

The power at which the base station sends data to the mobile relay;

The rate at which the base station sends data to the mobile relay.
The method according to claim 5, wherein the set constraints include at least one of the following:

The sum of the channel bandwidth from the mobile relay to the base station and the channel bandwidth from the mobile relay to the terminal in the communication resource parameters is less than or equal to the set bandwidth;

In the communication resource parameters, the power of the mobile relay to send data to the terminal is less than the set power;

In the communication resource parameters, the rate at which the mobile relay receives data from the base station is greater than or equal to the rate at which the mobile relay sends data to the terminal.
The method according to any one of claims 3-7, wherein, according to the planned path information, determining the communication resource of the mobile relay in the energy efficiency maximization state of the mobile relay After the parameters, also include:

sending the communication resource parameters to the mobile relay.
A communication method, characterized in that the method is performed by a movable relay, and the method includes:

Acquiring the planned path information of the movable relay;

Moving the movable relay according to the planned path information.
The method according to claim 9, wherein the planned route information includes motion parameters of the movable relay, and the motion parameters include moving speed, moving direction and/or moving distance.
The method according to claim 9 or 10, wherein the acquiring the planned route information of the movable relay comprises:

receiving the planned route information of the mobile relay sent by the base station; or,

Determine the planned path information of the movable relay in the energy efficiency maximization state of the movable relay.
The method according to claim 11, wherein before receiving the planned route information of the mobile relay sent by the base station, the method comprises:

The first location of the movable relay is sent to the base station.
The method according to any one of claims 9-12, characterized in that after obtaining the planned route information of the movable relay, further comprising:

determining, according to the planned path information, communication resource parameters of the movable relay in a state where the energy efficiency of the movable relay is maximized;

Configure the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or the transmission link between the mobile relay and the base station; wherein, the mobile relay and the terminal and a transmission link between the mobile relay and the base station, used for the terminal to receive data from the base station through the mobile relay.
The method according to claim 13, wherein the determining the communication resource parameters of the mobile relay in the state of maximizing energy efficiency of the mobile relay according to the planned path information comprises:

determining the mobile energy consumption of the movable relay according to the planned route information;

According to the mobile energy consumption, determine the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay.
The method according to claim 14, wherein, according to the mobile energy consumption, determining the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay comprises:

Obtaining the relationship between the energy efficiency of the mobile relay, the mobile energy consumption, and the communication resource parameters of the mobile relay; wherein, the energy efficiency of the mobile relay is inversely related to the mobile energy consumption Direct relationship; the energy efficiency of the mobile relay and the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal are in a positive relationship; The channel capacity is determined according to the communication resource parameters;

Under the set constraint condition, determine the communication resource parameters of the movable relay in the energy efficiency maximization state.
The method according to any one of claims 13-15, wherein the communication resource parameters include at least one of the following:

the channel bandwidth between the movable relay and the terminal;

The power of the mobile relay to send data to the terminal;

The rate at which the movable relay sends data to the terminal;

The channel bandwidth between the mobile relay and the base station;

The power at which the base station sends data to the mobile relay;

The rate at which the base station sends data to the mobile relay.
The method according to any one of claims 13-16, characterized in that after determining the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay according to the planned path information ,Also includes:

sending the communication resource parameters to the base station.
A base station, characterized in that it includes a memory, a transceiver, and a processor:

The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:

Acquiring a first location where a movable relay is located, and a second location where a terminal is located, where the terminal receives data from the base station through the movable relay;

determining planned path information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal;

Send the planned route information of the movable relay to the movable relay.
The base station according to claim 18, wherein the planned route information of the movable relay includes movement parameters of the movable relay, and the movement parameters include moving speed, moving direction and/or moving distance.
The base station according to claim 18 or 19, wherein after determining the planned path information of the movable relay, further comprising:

determining, according to the planned path information, communication resource parameters of the movable relay in a state where the energy efficiency of the movable relay is maximized;

Configuring a transmission link between the mobile relay and the terminal, and/or a transmission link between the mobile relay and the base station according to the communication resource parameters.
The base station according to claim 20, wherein, according to the planned path information, determining the communication resource parameters of the mobile relay in the state of maximizing energy efficiency of the mobile relay includes:

determining the mobile energy consumption of the movable relay according to the planned route information;

According to the mobile energy consumption, determine the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay.
The base station according to claim 21, wherein, according to the mobile energy consumption, determining the communication resource parameters of the mobile relay in the state of maximizing energy efficiency of the mobile relay includes:

Obtaining the relationship between the energy efficiency of the mobile relay, the mobile energy consumption, and the communication resource parameters of the mobile relay; wherein, the energy efficiency of the mobile relay is inversely related to the mobile energy consumption Direct relationship; the energy efficiency of the mobile relay and the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal are in a positive relationship; The channel capacity is determined according to the communication resource parameters;

Under the set constraint condition, determine the communication resource parameters of the movable relay in the energy efficiency maximization state.
The base station according to any one of claims 20-22, wherein the communication resource parameters include at least one of the following:

the channel bandwidth between the movable relay and the terminal;

The power of the mobile relay to send data to the terminal;

The rate at which the movable relay sends data to the terminal;

The channel bandwidth between the mobile relay and the base station;

The power at which the base station sends data to the mobile relay;

The rate at which the base station sends data to the mobile relay.
The base station according to claim 22, wherein the setting constraints include at least one of the following:

The sum of the channel bandwidth from the mobile relay to the base station and the channel bandwidth from the mobile relay to the terminal in the communication resource parameters is less than or equal to the set bandwidth;

In the communication resource parameters, the power of the mobile relay to send data to the terminal is less than the set power;

In the communication resource parameters, the rate at which the mobile relay receives data from the base station is greater than or equal to the rate at which the mobile relay sends data to the terminal.
The base station according to any one of claims 20-24, characterized in that, according to the planned path information, determining the communication resource of the mobile relay in the energy efficiency maximization state of the mobile relay After the parameters, also include:

sending the communication resource parameters to the mobile relay.
A mobile relay, characterized in that it includes a memory, a transceiver, and a processor:

The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:

Acquiring the planned path information of the movable relay;

Moving the movable relay according to the planned path information.
The mobile relay according to claim 26, wherein the planned route information includes motion parameters of the mobile relay, and the motion parameters include moving speed, moving direction and/or moving distance.
The mobile relay according to claim 26 or 27, wherein the acquiring the planned path information of the mobile relay comprises:

receiving the planned route information of the mobile relay sent by the base station; or,

Determine the planned path information of the movable relay in the energy efficiency maximization state of the movable relay.
The mobile relay according to claim 28, characterized in that before receiving the planned route information of the mobile relay sent by the base station, it includes:

The first location of the movable relay is sent to the base station.
The mobile relay according to any one of claims 26-29, characterized in that after acquiring the planned route information of the mobile relay, further comprising:

determining, according to the planned path information, communication resource parameters of the movable relay in a state where the energy efficiency of the movable relay is maximized;

Configure the transmission link between the mobile relay and the terminal according to the communication resource parameters, and/or the transmission link between the mobile relay and the base station; wherein, the mobile relay and the terminal and a transmission link between the mobile relay and the base station, used for the terminal to receive data from the base station through the mobile relay.
The mobile relay according to claim 30, wherein the determining the communication resource parameters of the mobile relay in the state of maximizing energy efficiency of the mobile relay according to the planned path information includes :

determining the mobile energy consumption of the movable relay according to the planned route information;

According to the mobile energy consumption, determine the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay.
The mobile relay according to claim 31, wherein, according to the mobile energy consumption, determining the communication resource parameters of the mobile relay in the energy efficiency maximization state of the mobile relay includes :

Obtaining the relationship between the energy efficiency of the mobile relay, the mobile energy consumption, and the communication resource parameters of the mobile relay; wherein, the energy efficiency of the mobile relay is inversely related to the mobile energy consumption Direct relationship; the energy efficiency of the mobile relay and the channel capacity between the mobile relay and the base station, and the channel capacity between the mobile relay and the terminal are in a positive relationship; The channel capacity is determined according to the communication resource parameters;

Under the set constraint condition, determine the communication resource parameters of the movable relay in the energy efficiency maximization state.
The mobile relay according to any one of claims 30-32, wherein the communication resource parameters include at least one of the following:

the channel bandwidth between the movable relay and the terminal;

The power of the mobile relay to send data to the terminal;

The rate at which the movable relay sends data to the terminal;

The channel bandwidth between the mobile relay and the base station;

The power at which the base station sends data to the mobile relay;

The rate at which the base station sends data to the mobile relay.
The mobile relay according to any one of claims 30-33, characterized in that, according to the planned path information, determining the communication of the mobile relay in the energy efficiency maximization state of the mobile relay After the resource parameters, also include:

sending the communication resource parameters to the base station.
A communication device, characterized by comprising:

a location acquiring unit, configured to acquire a first location where the movable relay is located, and a second location where the terminal is located, and the terminal receives data from the base station through the movable relay;

a determining unit, configured to determine the planned route information of the movable relay according to the energy efficiency of the movable relay, the first location of the movable relay, and the second location of the terminal;

A sending unit, configured to send the planned route information of the movable relay to the movable relay.
A communication device, characterized by comprising:

an information acquiring unit, configured to acquire the planned route information of the movable relay;

A control unit, configured to move the movable relay according to the planned path information.
A processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to make the processor execute the method according to any one of claims 1 to 8 Or, carry out the method described in any one of claims 9 to 17.