CN111800875B - Resource allocation method, device, storage medium and network equipment - Google Patents

Resource allocation method, device, storage medium and network equipment Download PDF

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CN111800875B
CN111800875B CN202010538080.1A CN202010538080A CN111800875B CN 111800875 B CN111800875 B CN 111800875B CN 202010538080 A CN202010538080 A CN 202010538080A CN 111800875 B CN111800875 B CN 111800875B
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CN111800875A (en
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Cloudminds Shanghai Robotics Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The present disclosure relates to a resource allocation method, apparatus, storage medium and network device, where the method is applied to a first network device, and includes: receiving network state information and navigation information sent by second equipment arranged on the flight equipment; acquiring configuration information corresponding to the second equipment according to the network state information and the navigation information; acquiring target network equipment and receiving power of an interference signal corresponding to the target network equipment according to the navigation information, wherein the target network equipment comprises network equipment interfered by a second equipment signal, and the interference signal is a signal causing signal interference to the target network equipment by the second equipment; and sending resource allocation information to the target network equipment according to the configuration information and the receiving power of the interference signal corresponding to the target network equipment, so that the target network equipment allocates resources according to the resource allocation information. Therefore, the target network equipment is not interfered by the second equipment, and the service quality of the target network equipment can be improved.

Description

Resource allocation method, device, storage medium and network equipment
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a resource allocation method, apparatus, storage medium, and network device.
Background
In order to further expand the application scenarios of 5G (5 th Generation Mobile Networks, fifth Generation Mobile communication technology), operators expect to directly provide services to customers on the aircraft by using ground base stations, and implement ground-to-air communication based on the 5G ground base stations.
However, since the ground-air communication needs to use the same frequency as the ground communication, if a TDD (Time Division duplex) communication system is adopted, the airborne communication device in the ground-air communication may interfere with the base station of the ground communication, resulting in poor service quality of the ground communication device.
Disclosure of Invention
In order to solve the above problem, the present disclosure provides a resource allocation method, device, storage medium, and network device.
In a first aspect, the present disclosure provides a resource allocation method applied to a first network device, the method including: receiving network state information and navigation information sent by second equipment arranged on the flight equipment; acquiring configuration information corresponding to the second equipment according to the network state information and the navigation information; acquiring target network equipment and receiving power of an interference signal corresponding to the target network equipment according to the navigation information, wherein the target network equipment comprises network equipment interfered by a second equipment signal, and the interference signal is a signal of the second equipment causing signal interference to the target network equipment; and sending resource allocation information to the target network equipment according to the configuration information and the receiving power of the interference signal corresponding to the target network equipment, so that the target network equipment allocates resources according to the resource allocation information.
In a second aspect, the present disclosure provides a resource allocation method applied to a target network device, the method including: receiving resource allocation information sent by a first network device, where the resource allocation information includes configuration information corresponding to a second device and a received power of an interference signal corresponding to a target network device, the configuration information includes resource block information of a target resource block currently occupied by the second device, the resource block information includes a use time of the target resource block, and the interference signal is a signal causing signal interference to the target network device by the second device; and adjusting resource allocation according to the resource allocation information.
In a third aspect, the present disclosure provides a resource allocation apparatus applied to a first network device, the apparatus including: the receiving module is used for receiving the network state information and the navigation information sent by the second equipment arranged on the flight equipment; the configuration information acquisition module is used for acquiring configuration information corresponding to the second equipment according to the network state information and the navigation information; a network device obtaining module, configured to obtain, according to the navigation information, a target network device and a received power of an interference signal corresponding to the target network device, where the target network device includes a network device interfered by a signal of the second device, and the interference signal is a signal of the second device causing signal interference to the target network device; a sending module, configured to send resource allocation information to the target network device according to the configuration information and the received power of the interference signal corresponding to the target network device, so that the target network device allocates resources according to the resource allocation information.
In a fourth aspect, the present disclosure provides a resource allocation apparatus, applied to a target network device, where the apparatus includes: a receiving module, configured to receive resource allocation information sent by a first network device, where the resource allocation information includes configuration information corresponding to a second device and a received power of an interference signal corresponding to a target network device, the configuration information includes resource block information of a target resource block currently occupied by the second device, the resource block information includes a usage time of the target resource block, and the interference signal is a signal that the second device causes signal interference to the target network device; and the adjusting module is used for adjusting the resource allocation according to the resource allocation information.
In a fifth aspect, the present disclosure provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method of the first aspect of the present disclosure, or which, when executed by a processor, performs the steps of the method of the second aspect of the present disclosure.
In a sixth aspect, the present disclosure provides a network device, comprising: a memory having a computer program stored thereon; a processor for executing the computer program in the memory to perform the steps of the method of the first aspect of the disclosure or to perform the steps of the method of the second aspect of the disclosure.
Through the technical scheme, the first network equipment receives the network state information and the navigation information sent by the second equipment arranged on the flight equipment; acquiring configuration information corresponding to the second equipment according to the network state information and the navigation information; acquiring target network equipment and receiving power of an interference signal corresponding to the target network equipment according to the navigation information, wherein the target network equipment comprises network equipment interfered by a second equipment signal, and the interference signal is a signal causing signal interference to the target network equipment by the second equipment; and sending the resource allocation information to the target network equipment according to the configuration information and the receiving power of the interference signal corresponding to the target network equipment, so that the target network equipment allocates resources according to the resource allocation information. Therefore, the target network device can adjust the resource allocation on the target network device according to the resource allocation information sent by the first network device, so that the target network device is not interfered by the second device on the flight device, and the service quality of the target network device can be improved.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a flow diagram illustrating a first method of resource allocation in accordance with an exemplary embodiment;
FIG. 2 is a flow diagram illustrating a second method of resource allocation in accordance with an exemplary embodiment;
FIG. 3 is a flow diagram illustrating a third method of resource allocation in accordance with an exemplary embodiment;
FIG. 4 is a schematic diagram illustrating the location of a second device and a third network device in accordance with an example embodiment;
FIG. 5 is a block diagram illustrating a resource allocation apparatus according to an example embodiment;
FIG. 6 is a schematic diagram illustrating another resource allocation apparatus according to an example embodiment;
fig. 7 is a block diagram illustrating a network device in accordance with an example embodiment.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the description that follows, the terms "first," "second," and the like are used for descriptive purposes only and are not intended to indicate or imply relative importance nor order to be construed.
First, an application scenario of the present disclosure will be explained. Currently, mobile communication services cannot be performed in an airplane, and only limited flights provide satellite-based calls or Point of Sale (POS) card swiping services, but the use scenarios are very limited and the cost is high. Recently, there are airlines performing satellite backhaul based built-in WLAN (Wireless Local Area Network) services on some flights, but the time delay is high and the bandwidth is limited by using satellite backhaul, so the available services are very limited. In order to further expand the application scenario of 5G, operators plan to directly provide services to customers on the airplane by using the ground base station, and ground-air communication based on the 5G ground base station is realized. The traditional base station is designed for the ground user service, and the base station antenna covers the ground user in a downward tilting mode. During the ground-air communication, the antenna of the base station needs to be tilted upward, radiated to the air, and received by the special communication equipment on the airplane and forwarded to the client in the cabin.
However, since the ground-air communication needs to use the same frequency as the ground communication, if the TDD communication system is adopted, the ground-air base station interferes with the signal reception of the ground terminal with the same frequency, the ground base station interferes with the signal reception of the airplane, and the transmitter on the airplane interferes with the signal reception of the ground base station, which results in poor service quality of the ground communication device.
In order to solve the existing problems, the present disclosure provides a resource allocation method, an apparatus, a storage medium, and a network device, which may receive, by a first network device, network state information and navigation information sent by a second device (e.g., an airborne terminal) installed on a flight device, then obtain configuration information corresponding to the second device according to the network state information and the navigation information, obtain a target network device interfered by a signal of the second device and a received power of an interference signal corresponding to the target network device according to the navigation information, and send resource allocation information to the target network device according to the configuration information and the received power of the interference signal corresponding to the target network device. Therefore, the target network device can adjust the resource allocation on the target network device according to the resource allocation information sent by the first network device, so that the target network device is not interfered by the second device on the flight device, and the service quality of the target network device can be improved.
Specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a flowchart illustrating a first resource allocation method according to an exemplary embodiment, which is applied to a first network device, where the first network device may include a network server or a base station for ground-to-air communication.
As shown in fig. 1, the method includes:
and S101, receiving network state information and navigation information sent by second equipment arranged on the flight equipment.
The second device may include an onboard terminal, the network state information may include channel quality information, cache data information, and the navigation information may include position information and preset route information of the second device. The position information may be a three-dimensional geographic coordinate of a current position of the flight device, the preset route information may include a flight route identifier or a flight route information table, and the flight route information table may include position coordinate information of a planned arrival of the flight device corresponding to a sampling time point in the flight time.
In this step, the second device may periodically obtain the network state information and the navigation information, or may obtain the network state information and the navigation information according to a preset sampling time, which is not limited in this disclosure. And after acquiring the network state information and the navigation information, the second equipment sends the network state information and the navigation information to the first network equipment.
And S102, acquiring configuration information corresponding to the second equipment according to the network state information and the navigation information.
The configuration information may include resource block information of a target resource block currently occupied by the second device and a transmission power of the second device, where the resource block information may include a size of a resource block and a location of the resource block.
S103, acquiring the target network equipment and the receiving power of the interference signal corresponding to the target network equipment according to the navigation information.
The target network device may include a network device interfered by the second device signal, where the interfering signal is a signal causing signal interference to the target network device by the second device.
In this step, the first network device may obtain, according to the preset route information, the target network device and the received power of the interference signal corresponding to the target network device. Because the flight routes are preset and fixed, the target network device possibly interfered by the flight devices on the flight routes and the receiving power of the interference signals corresponding to the target network device can be obtained and stored in advance for each flight route. After receiving the preset route information sent by the second device, the first network device may obtain, according to the preset route information, target network devices that may be interfered by the second device in the flight process of the flight device and received power of interference signals corresponding to the target network devices, and in addition, the first network device may also determine, according to the flight time of the flight device, a time period during which each target network device is interfered by the second device.
S104, sending resource allocation information to the target network equipment according to the configuration information and the receiving power of the interference signal corresponding to the target network equipment.
The resource allocation information may include configuration information corresponding to the second device and a received power of an interference signal corresponding to a target network device, where the configuration information may include resource block information of a target resource block currently occupied by the second device, and the resource block information may include a usage time of the target resource block.
In this step, after the first network device sends the resource allocation information to the target network device, the target network device may allocate resources according to the resource block information of the target resource block and the received power of the interference signal corresponding to the target network device.
By adopting the method, the first network device can obtain the configuration information corresponding to the second device according to the network state information and the navigation information sent by the second device, obtain the target network device interfered by the signal of the second device and the receiving power of the interference signal corresponding to the target network device according to the navigation information, then send the configuration information and the receiving power of the interference signal corresponding to the target network device, and the target network device can adjust resource allocation according to the configuration information and the receiving power of the interference signal corresponding to the target network device. Therefore, the target network device can adjust the resource allocation on the target network device according to the resource allocation information sent by the first network device, so that the target network device is not interfered by the second device on the flight device, and the service quality of the target network device can be improved.
Fig. 2 is a flowchart illustrating a second resource allocation method according to an exemplary embodiment, which is applied to a target network device, where the target network device may include a base station for terrestrial communication. As shown in fig. 2, the method includes:
s201, receiving resource allocation information sent by a first network device.
The resource allocation information may include configuration information corresponding to the second device and a received power of an interference signal corresponding to the target network device, where the configuration information may include resource block information of a target resource block currently occupied by the second device, the resource block information may include a usage time of the target resource block, and the interference signal is a signal causing signal interference to the target network device by the second device.
S202, adjusting resource allocation according to the resource allocation information.
In this step, after receiving the resource allocation information sent by the first network device, the target network device may adjust resource allocation according to resource block information of a target resource block currently occupied by the second device and a received power of an interference signal corresponding to the target network device.
By adopting the method, the target network equipment can receive the resource allocation information sent by the first network equipment and adjust the resource allocation on the target network equipment according to the resource allocation information, so that the target network equipment is not interfered by the second equipment on the flight equipment, and the service quality of the target network equipment can be improved.
Fig. 3 is a flow chart illustrating a third method of resource allocation according to an example embodiment. As shown in fig. 3, the method includes:
s301, the second device sends network state information and navigation information to the first network device.
The second device may include an onboard terminal, the network state information may include channel quality information and cache data information, and the navigation information may include position information and preset route information of the second device. The position information may be a three-dimensional geographic coordinate of a current position of the flight device, the preset route information may include a flight route identifier or a flight route information table, and the flight route information table may include position coordinate information of a planned arrival of the flight device corresponding to a sampling time point in the flight time.
In this step, the second device may measure a received signal-to-noise ratio of the reference signal of the first network device, and use the received signal-to-noise ratio of the reference signal as channel quality information between the first network device and the second device through reciprocity between uplink and downlink channels.
And S302, after receiving the network state information and the navigation information sent by the second equipment, the first network equipment determines a modulation and coding mode corresponding to the second equipment according to the channel quality information.
In this step, the first network device may obtain, according to the channel quality information, a modulation and coding scheme corresponding to the channel quality information from a coding scheme association relationship. The coding mode incidence relation comprises a corresponding relation between a modulation coding mode and a signal-to-noise ratio threshold of the lowest demodulation required by the modulation coding mode, and the coding mode incidence relation can be obtained according to link layer simulation. As shown in table 1, five groups of coding scheme associations are listed.
Figure BDA0002537772590000081
Figure BDA0002537772590000091
TABLE 1
For example, if the snr corresponding to the channel quality information is 15dB, it may be determined that the modulation coding scheme corresponding to the channel quality information is 64QAM3/4 coding according to the coding scheme association shown in table 1.
And S303, the first network equipment acquires the resource block information of the target resource block currently occupied by the second equipment according to the cache data information and the modulation coding mode.
The cache data information may include a size of a data block to be transmitted by the second device, that is, a number of bits of an effective payload of data to be transmitted. The resource block information of the target resource block may include a size of the target resource block and a position of the target resource block.
In this step, the network device may obtain the size of the target resource block currently occupied by the second device according to the buffered data information and the modulation and coding scheme. For example, the network device may obtain the size of the target resource block according to formula (1):
p＝k/m/j/n (1)
wherein p is the size of the target resource block, k is the bit number of the effective payload of the data to be transmitted, m is the coding rate corresponding to the modulation coding mode, j is the bit number carried by a subcarrier corresponding to the modulation coding mode, and n is the number of subcarriers contained by a resource block.
Exemplarily, if the bit number of the payload of the data to be transmitted is 360 bits, the modulation coding scheme determined according to the channel quality information is 16QAM 3/4 coding, the coding rate corresponding to the modulation coding scheme is 3/4, the bit number carried by one subcarrier corresponding to the modulation coding scheme is 4, and the number of subcarriers included in one resource block is 12, then the size of the target resource block may be calculated according to the formula (1) to obtain 10.
Further, after determining the size of the target resource block, the network device may randomly select consecutive resource blocks from available resource blocks of the first network device as the position of the target resource block, or may select a resource block with the best transmission quality from the available resource blocks as the position of the target resource block according to the channel quality information. For example, if the size of the target resource block is 10, then 10 consecutive resource blocks may be randomly selected from the available resource blocks of the first network device as the position of the target resource block, or 10 resource blocks with the best transmission quality may be selected from the available resource blocks as the position of the target resource block according to the channel quality information.
S304, the first network device obtains a first transmission loss value between the second device and the first network device according to the location information of the first network device and the location information of the second device.
In this step, after receiving the navigation information sent by the second device, the first network device may obtain a distance between the first network device and the second device according to the location information of the first network device and the location information of the second device, and then may calculate a first transmission loss value between the second device and the first network device according to formula (2):
L＝32.45+20lgf+20lgd (2)
where f is the preset operating frequency of the second device, e.g., 2600mhz, and d is the distance between the first network device and the second device.
S305, the first network device obtains the transmitting power of the second device according to the modulation coding mode and the first transmission loss value.
In this step, after the first network device determines the size of the target resource block, the effective bandwidth may be determined according to the size of the target resource block, and then the thermal noise power corresponding to the effective bandwidth is calculated by formula (3):
N 0 ＝-174+10lgB+N (3)
wherein N is 0 The thermal noise power corresponding to the effective bandwidth, B the effective bandwidth, and N the thermal noise coefficient of the receiver, which is generally 7dB.
Further, at theThe first network equipment calculates and obtains the thermal noise power N corresponding to the effective bandwidth 0 Then, the transmission power of the second device can be calculated by formula (4):
P＝N 0 +SNR+N 1 (4)
wherein P is the transmitting power of the second device, SNR is the signal-to-noise ratio corresponding to the channel quality information, N 1 The preset interference margin is generally 3dB.
It should be noted that, after the first network device calculates the transmission power of the second device, the first network device may also calculate the transmission power P of the second device according to the transmission power P and the transmission power P of the second device at a previous time 0 Determining the adjustment amount of the transmitting power, wherein the adjustment amount is P-P 0 。
S306, the first network device obtains preset position information of at least one third network device.
The location information of the at least one third network device may be pre-stored in the server, the network management device, or the first network device.
And S307, the first network device obtains the received power of the interference signal corresponding to each third network device according to the position information of the second device, the position information of at least one third network device and the transmitting power of the second device.
In this step, after obtaining the location information of the second device, the location information of at least one third network device, and the transmission power of the second device, the first network device may obtain a second transmission loss value between the second device and each third network device, and a receiving antenna gain of the second device incident to each third network device; and acquiring the receiving power of the interference signal corresponding to each third network device according to the second transmission loss value, the receiving antenna gain and the transmitting power of the second device. For example, for each third network device, the received power of the interference signal corresponding to the third network device may be obtained through steps S1 to S5:
s1, the first network equipment acquires the distance between the second equipment and the third network equipment according to the position information of the second equipment and the position information of the third network equipment.
The location information may include location coordinates, among other things. Fig. 4 is a schematic location diagram of a second device and a third network device according to an exemplary embodiment, where as shown in fig. 4, a location is the second device, a location is the third network device, location coordinates of the second device are (x 1, y1, z 1), location coordinates of the third network device are (x 2, y2, z 2), and a distance between the second device and the third network device is calculated according to formula (5) according to the location coordinates of the second device and the third network device:
Figure BDA0002537772590000121
wherein d is a distance between the second device and the third network device.
And S2, the first network equipment acquires a transmission loss value between the second equipment and the third network equipment according to the distance between the second equipment and the third network equipment.
The manner of obtaining the transmission loss value between the second device and the third network device may refer to the manner of obtaining the first transmission loss value between the second device and the first network device in step S304, which is not described herein again.
And S3, the first network equipment determines the incidence angle between the second equipment and the third network equipment according to the position information of the second equipment and the position information of the third network equipment.
As shown in fig. 4, the first network device may obtain the incident angle β between the second device and the third network device by calculating the position coordinate of the second device and the position coordinate of the third network device through formula (6):
β＝arc sin[(z1-z2)/d] (6)
and S4, the first network equipment determines the receiving antenna gain of the second equipment incident to the third network equipment according to the incident angle between the second equipment and the third network equipment.
After determining the incident angle β between the second device and the third network device, the first network device may obtain, according to the device identifier of the third network device, a pre-stored antenna gain array diagram of the third network device from a network management device, a network server, or a memory of the first network device, where the antenna gain array diagram includes a corresponding relationship between an incident angle and a receiving antenna gain. Then, the first network device may obtain the receiving antenna gain corresponding to the incident angle β through the antenna gain array diagram.
And S5, the first network equipment determines the receiving power of the interference signal corresponding to the third network equipment according to the transmitting power of the second equipment, the transmission loss value between the second equipment and the third network equipment and the receiving antenna gain of the third network equipment.
After the first network device determines the transmission power of the second device, the transmission loss value between the second device and the third network device, and the receiving antenna gain of the third network device, the receiving power of the interference signal corresponding to the third network device may be calculated by formula (7):
l＝P-L+G (7)
wherein L is a received power of an interference signal corresponding to the third network device, P is a transmission power of the second device, L is a transmission loss value between the second device and the third network device, and G is a receiving antenna gain of the third network device.
S308, the first network device regards, as the target network device, a third network device whose received power of the interference signal is greater than a preset power threshold from at least one third network device.
In this step, after the first network device obtains the received power of the interference signal corresponding to each third network device in the at least one third network device, a preset power threshold configured in advance may be obtained from a network management device, a network server, or a memory of the first network device. The preset power threshold may be determined according to an influence of the received power of the interference signal on the third network device, and may be configured to-90 dBm, for example. Further, after the first network device obtains the preset power threshold configured in advance, the first network device may compare the received power of the interference signal corresponding to each third network device in at least one third network device with the preset power threshold, regard the third network device whose received power of the interference signal is greater than the preset power threshold as the target network device, and regard the received power of the interference signal corresponding to the third network device whose received power of the interference signal is greater than the preset power threshold as the received power of the interference signal corresponding to the target network device.
S309, the first network device sends resource allocation information to the target network device according to the resource block information of the target resource block currently occupied by the second device and the receiving power of the interference signal corresponding to the target network device.
The resource allocation information may include configuration information corresponding to the second device and a received power of an interference signal corresponding to the target network device, where the configuration information includes resource block information of a target resource block currently occupied by the second device, the resource block information includes a usage time of the target resource block, the usage time may be an effective period of the target resource block, for example, may be a time window, and the interference signal is a signal causing signal interference to the target network device by the second device.
In this step, after the first network device obtains the resource block information of the target resource block currently occupied by the second device and the receiving power of the interference signal corresponding to the target network device, the first network device may send the resource allocation information to the target network device according to the resource block information of the target resource block and the receiving power of the interference signal corresponding to the target network device.
S310, the target network device adjusts resource allocation according to the resource allocation information sent by the first network device.
In this step, after the target network device receives the resource allocation information sent by the first network device, the resource allocation may be adjusted according to a preset adjustment policy. In a possible implementation manner, the target network device may set a target resource block to be prohibited from being used during a use time, that is, the target network device does not use a corresponding target resource block in the target network device any more during a time when the second device uses the target resource block. In this way, the target network device is not interfered by the second device signal.
In a second possible implementation manner, the target network device may set the target resource block to be used as a limit value in the use time, and adjust a modulation and coding scheme of a terminal that schedules the target resource block according to the received power of the interference signal. Here, the target network device may determine the level of the adjusted modulation and coding scheme according to the coding scheme association relationship and the received power of the interference signal in table 1. For example, if the anti-interference strength needs to be increased by 5dB, the current signal-to-noise ratio may be reduced by 5dB, and then the adjusted modulation and coding scheme is determined according to the reduced signal-to-noise ratio. For example, if the modulation coding mode of the terminal scheduling the target resource block is 64QAM3/4 coding, the threshold of the signal-to-noise ratio corresponding to the modulation coding mode is 12dB, and the anti-interference strength needs to be increased by 5dB, the adjusted signal-to-noise ratio is 7dB, and then it can be determined that the adjusted modulation coding mode is 1694m 3/4 coding. Therefore, after the level of the modulation and coding mode of the terminal scheduling the target resource block is reduced, the corresponding demodulation signal-to-noise ratio threshold is also reduced, and when the strength of the useful signal is unchanged, a stronger interference signal can be borne, so that the target network equipment cannot be interfered by the signal of the second equipment.
In a third possible implementation manner, the target network device may set the target resource block to be used as a limit value in the use time, and adjust the transmission power of the terminal scheduling the target resource block according to the received power of the interference signal. The target network device may obtain the adjusted transmission power of the terminal according to a signal-to-noise ratio threshold corresponding to a modulation coding mode, an intra-system interference value, and a received power of an interference signal, where the intra-system interference value may be preset and calculated by formula (8):
P T ＝SNR*(I intra +l) (8)
wherein, P T For the adjusted transmitting power of the terminal, SNR is the SNR threshold corresponding to the modulation coding mode, I intra Is the intra-system interference value, and l is the received power of the interfering signal.
In this way, the target network device increases the power of the useful signal by adjusting the transmission power of the terminal scheduling the target resource block, so that the target network device is not interfered by the signal of the second device.
By adopting the method, the target network device can set the target resource block to be forbidden to use within the use time according to the resource block information of the target resource block currently occupied by the second device and the receiving power of the interference signal corresponding to the target network device, or set the target resource block to be used as the limit value within the use time, and adjust the modulation coding mode of the terminal scheduling the target resource block, or set the target resource block to be used as the limit value within the use time, and adjust the transmitting power of the terminal scheduling the target resource block. Therefore, the target network equipment is not interfered by the second equipment on the flight equipment by setting the use time of the target resource block or adjusting the modulation coding mode or the transmitting power of the terminal scheduling the target resource block, so that the service quality of the target network equipment can be improved.
Fig. 5 is a schematic structural diagram illustrating a resource allocation apparatus according to an exemplary embodiment, which is applied to a first network device. As shown in fig. 5, the apparatus includes:
a receiving module 501, configured to receive network state information and navigation information sent by a second device disposed on the flight device;
a configuration information obtaining module 502, configured to obtain configuration information corresponding to the second device according to the network state information and the navigation information;
a network device obtaining module 503, configured to obtain, according to the navigation information, a target network device and a received power of an interference signal corresponding to the target network device, where the target network device includes a network device interfered by a signal of the second device, and the interference signal is a signal that the second device causes signal interference to the target network device;
a sending module 504, configured to send resource allocation information to the target network device according to the configuration information and the received power of the interference signal corresponding to the target network device, so that the target network device allocates resources according to the resource allocation information.
Optionally, the network state information includes channel quality information and cache data information, the navigation information includes location information of the second device, and the configuration information includes resource block information of a target resource block currently occupied by the second device and transmission power of the second device; the configuration information obtaining module 502 is specifically configured to: determining a modulation coding mode corresponding to the second device according to the channel quality information; acquiring resource block information of the target resource block according to the cache data information and the modulation coding mode; acquiring a first transmission loss value between the second equipment and the first network equipment according to the position information of the first network equipment and the position information of the second equipment; and acquiring the transmitting power of the second equipment according to the modulation coding mode and the first transmission loss value.
Optionally, the network device obtaining module 503 is specifically configured to: acquiring preset position information of at least one third network device; acquiring the receiving power of an interference signal corresponding to each third network device according to the position information of the second device, the position information of at least one third network device and the transmitting power of the second device; and taking the third network equipment with the received power of the interference signal larger than a preset power threshold value as the target network equipment from the at least one third network equipment.
Optionally, the network device obtaining module 503 is further configured to: acquiring a second transmission loss value between the second device and each third network device, and a receiving antenna gain of the second device incident to each third network device; and acquiring the receiving power of the interference signal corresponding to each third network device according to the second transmission loss value, the receiving antenna gain and the transmitting power of the second device.
Optionally, the navigation information includes preset route information, and the network device obtaining module 503 is specifically configured to: and acquiring the target network equipment and the receiving power of the interference signal corresponding to the target network equipment according to the preset route information.
Through the device, the first network device can obtain the configuration information corresponding to the second device according to the network state information and the navigation information sent by the second device, obtain the target network device interfered by the signal of the second device and the received power of the interference signal corresponding to the target network device according to the navigation information, then send the configuration information and the received power of the interference signal corresponding to the target network device, and the target network device can adjust resource allocation according to the configuration information and the received power of the interference signal corresponding to the target network device. Therefore, the target network device can adjust the resource allocation on the target network device according to the resource allocation information sent by the first network device, so that the target network device is not interfered by the second device on the flight device, and the service quality of the target network device can be improved.
Fig. 6 is a schematic structural diagram of another resource allocation apparatus according to an exemplary embodiment, which is applied to a target network device. As shown in fig. 6, the apparatus includes:
a receiving module 601, configured to receive resource allocation information sent by a first network device, where the resource allocation information includes configuration information corresponding to a second device and a receiving power of an interference signal corresponding to a target network device, the configuration information includes resource block information of a target resource block currently occupied by the second device, the resource block information includes a use time of the target resource block, and the interference signal is a signal that the second device causes signal interference to the target network device;
an adjusting module 602, configured to adjust resource allocation according to the resource allocation information.
Optionally, the adjusting module 602 is specifically configured to: setting the target resource block as forbidden to use in the use time; or, setting the target resource block to be used as a limit value in the use time, and adjusting a modulation coding mode of a terminal scheduling the target resource block according to the received power of the interference signal; or, the target resource block is set to be used as a limit value in the use time, and the transmitting power of the terminal scheduling the target resource block is adjusted according to the receiving power of the interference signal.
By the device, the target network equipment can receive the resource allocation information sent by the first network equipment and adjust the resource allocation on the target network equipment according to the resource allocation information, so that the target network equipment is not interfered by the second equipment on the flight equipment, and the service quality of the target network equipment can be improved.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 7 is a block diagram illustrating a network device 700 in accordance with an example embodiment. For example, network device 700 may be provided as a server. Referring to fig. 7, network device 700 includes a processor 722, which may be one or more in number, and a memory 732 for storing computer programs that are executable by processor 722. The computer programs stored in memory 732 may include one or more modules that each correspond to a set of instructions. Further, the processor 722 may be configured to execute the computer program to perform the resource allocation method described above.
Additionally, the network device 700 may also include a power component 726 that may be configured to perform power management of the network device 700 and a communication component 750 that may be configured to enable communication of the network device 700, e.g., wired or wireless communication. In addition, the network device 700 may also include input/output (I/O) interfaces 758. The network device 700 may operate based on an operating system stored in memory 732, such as Windows Server, mac OS XTM, unixTM, linux, etc.
In another exemplary embodiment, a computer readable storage medium comprising program instructions which, when executed by a processor, implement the steps of the above-described resource allocation method is also provided. The computer readable storage medium may be, for example, the memory 732 described above that includes program instructions that are executable by the processor 722 of the network device 700 to perform the resource allocation method described above.
In another exemplary embodiment, a computer program product is also provided, which comprises a computer program executable by a programmable apparatus, the computer program having code portions for performing the above-mentioned resource allocation method when executed by the programmable apparatus.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure. It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Example (b):
1. a resource allocation method is applied to a first network device, and the method comprises the following steps: receiving network state information and navigation information sent by second equipment arranged on the flight equipment; acquiring configuration information corresponding to the second equipment according to the network state information and the navigation information; acquiring target network equipment and receiving power of an interference signal corresponding to the target network equipment according to the navigation information, wherein the target network equipment comprises network equipment interfered by a second equipment signal, and the interference signal is a signal causing signal interference to the target network equipment by the second equipment; and sending resource allocation information to the target network equipment according to the configuration information and the receiving power of the interference signal corresponding to the target network equipment, so that the target network equipment allocates resources according to the resource allocation information.
2. According to the method of embodiment 1, the network state information includes channel quality information and cache data information, the navigation information includes location information of the second device, and the configuration information includes resource block information of a target resource block currently occupied by the second device and transmission power of the second device; the obtaining of the configuration information corresponding to the second device according to the network state information and the navigation information includes: determining a modulation coding mode corresponding to the second device according to the channel quality information; acquiring resource block information of the target resource block according to the cache data information and the modulation coding mode; acquiring a first transmission loss value between the second equipment and the first network equipment according to the position information of the first network equipment and the position information of the second equipment; and acquiring the transmitting power of the second equipment according to the modulation coding mode and the first transmission loss value.
3. The method of embodiment 2, wherein obtaining the target network device according to the voyage information comprises: acquiring preset position information of at least one third network device; acquiring the receiving power of an interference signal corresponding to each third network device according to the position information of the second device, the position information of at least one third network device and the transmitting power of the second device; and taking the third network equipment with the received power of the interference signal larger than a preset power threshold value as the target network equipment from at least one third network equipment.
4. According to the method of embodiment 3, the obtaining, according to the location information of the second device, the location information of at least one third network device, and the transmission power of the second device, the received power of the interference signal corresponding to each third network device includes: acquiring a second transmission loss value between the second device and each third network device, and a receiving antenna gain of each third network device incident to the second device; and acquiring the receiving power of the interference signal corresponding to each third network device according to the second transmission loss value, the receiving antenna gain and the transmitting power of the second device.
5. The method according to embodiment 1, wherein the navigation information includes preset route information, and the acquiring the target network device according to the navigation information and the received power of the interference signal corresponding to the target network device includes: and acquiring the target network equipment and the receiving power of the interference signal corresponding to the target network equipment according to the preset route information.
6. A resource allocation method is applied to a target network device, and comprises the following steps: receiving resource allocation information sent by a first network device, where the resource allocation information includes configuration information corresponding to a second device and reception power of an interference signal corresponding to a target network device, the configuration information includes resource block information of a target resource block currently occupied by the second device, the resource block information includes usage time of the target resource block, and the interference signal is a signal causing signal interference to the target network device by the second device; and adjusting resource allocation according to the resource allocation information.
7. The method of embodiment 6, the adjusting resource allocation according to the resource allocation information comprising: setting the target resource block to be forbidden to use in the use time; or, setting the target resource block to be used as a limit value in the use time, and adjusting a modulation coding mode of a terminal scheduling the target resource block according to the receiving power of the interference signal; or, the target resource block is set to be used as a limit value in the use time, and the transmitting power of the terminal scheduling the target resource block is adjusted according to the receiving power of the interference signal.
8. A resource allocation apparatus applied to a first network device, the apparatus comprising: the receiving module is used for receiving the network state information and the navigation information sent by the second equipment arranged on the flight equipment; the configuration information acquisition module is used for acquiring configuration information corresponding to the second equipment according to the network state information and the navigation information; a network device obtaining module, configured to obtain, according to the navigation information, a target network device and a received power of an interference signal corresponding to the target network device, where the target network device includes a network device interfered by a signal of the second device, and the interference signal is a signal of the second device causing signal interference to the target network device; a sending module, configured to send resource allocation information to the target network device according to the configuration information and the received power of the interference signal corresponding to the target network device, so that the target network device allocates resources according to the resource allocation information.
9. A resource allocation apparatus applied to a target network device, the apparatus comprising: a receiving module, configured to receive resource allocation information sent by a first network device, where the resource allocation information includes configuration information corresponding to a second device and a received power of an interference signal corresponding to a target network device, the configuration information includes resource block information of a target resource block currently occupied by the second device, the resource block information includes a usage time of the target resource block, and the interference signal is a signal that the second device causes signal interference to the target network device; and the adjusting module is used for adjusting the resource allocation according to the resource allocation information.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any of the embodiments 1 to 5, or which, when being executed by a processor, carries out the steps of the method of any of the embodiments 6 to 7.
11. A network device, comprising: a memory having a computer program stored thereon; a processor for executing the computer program in the memory to perform the steps of the method of any of embodiments 1-5 or to perform the steps of the method of any of embodiments 6-7.

Claims (10)

1. A resource allocation method is applied to a first network device, wherein the first network device comprises a network server or a base station for ground-to-air communication, and the method comprises the following steps:
receiving network state information and navigation information sent by second equipment arranged on flight equipment, wherein the second equipment comprises an airborne terminal, the network state information comprises channel quality information and cache data information, and the navigation information comprises position information of the second equipment;
acquiring configuration information corresponding to the second device according to the network state information and the navigation information, wherein the configuration information comprises resource block information of a target resource block currently occupied by the second device and the transmitting power of the second device;
acquiring target network equipment and the receiving power of an interference signal of the target network equipment according to the navigation information, wherein the target network equipment comprises network equipment interfered by a second equipment signal, and the interference signal is a signal causing signal interference to the target network equipment by the second equipment;
sending resource allocation information to the target network device, where the resource allocation information includes configuration information corresponding to the second device and a received power of an interference signal of the target network device, so that the target network device allocates resources according to the resource allocation information;
the acquiring of the target network device according to the navigation information includes:
acquiring preset position information of at least one third network device;
acquiring the receiving power of an interference signal of each third network device according to the position information of the second device, the position information of at least one third network device and the transmitting power of the second device;
and taking the third network equipment with the received power of the interference signal larger than a preset power threshold value from at least one third network equipment as the target network equipment.
2. The method according to claim 1, wherein the obtaining configuration information corresponding to the second device according to the network status information and the navigation information comprises:
determining a modulation coding mode corresponding to the second device according to the channel quality information;
acquiring resource block information of the target resource block according to the cache data information and the modulation coding mode;
acquiring a first transmission loss value between the second equipment and the first network equipment according to the position information of the first network equipment and the position information of the second equipment;
and acquiring the transmitting power of the second equipment according to the modulation coding mode and the first transmission loss value.
3. The method of claim 1, wherein the obtaining, according to the location information of the second device, the location information of at least one of the third network devices, and the transmission power of the second device, the received power of the interference signal corresponding to each of the third network devices comprises:
acquiring a second transmission loss value between the second device and each third network device, and a receiving antenna gain of each third network device incident to the second device;
and acquiring the receiving power of the interference signal corresponding to each third network device according to the second transmission loss value, the receiving antenna gain and the transmitting power of the second device.
4. The method of claim 1, wherein the navigation information includes preset route information, wherein the obtaining of the target network device according to the navigation information, and wherein the receiving power of the interference signal of the target network device comprises:
and acquiring the target network equipment and the receiving power of the interference signal of the target network equipment according to the preset route information.
5. A resource allocation method applied to a target network device is characterized by comprising the following steps:
receiving resource allocation information sent by a first network device, wherein the first network device comprises a network server or a base station for ground-to-air communication, the resource allocation information comprises configuration information corresponding to a second device arranged on a flight device and the receiving power of an interference signal of a target network device, the second device comprises an airborne terminal, the network state information comprises channel quality information and cache data information, the flight information comprises position information of the second device, the configuration information comprises resource block information of a target resource block currently occupied by the second device and the transmitting power of the second device, the resource block information comprises the use time of the target resource block, and the interference signal is a signal causing signal interference to the target network device by the second device;
adjusting resource allocation according to the resource allocation information;
the target network device is determined by:
the method comprises the steps that under the condition that first network equipment obtains preset position information of at least one third network equipment according to received network state information and navigation information sent by second equipment, wherein the network state information comprises channel quality information and cache data information, and the navigation information comprises the position information of the second equipment;
acquiring the receiving power of an interference signal corresponding to each third network device according to the position information of the second device, the position information of at least one third network device and the transmitting power of the second device;
and taking the third network equipment with the received power of the interference signal larger than a preset power threshold value as the target network equipment from at least one third network equipment.
6. The method of claim 5, wherein the adjusting the resource allocation according to the resource allocation information comprises:
setting the target resource block to be forbidden to use in the use time; alternatively, the first and second electrodes may be,
setting the target resource block to be used as a limit value in the use time, and adjusting a modulation coding mode of a terminal for scheduling the target resource block according to the receiving power of the interference signal; alternatively, the first and second electrodes may be,
and setting the target resource block to be used as a limit value in the using time, and adjusting the transmitting power of the terminal scheduling the target resource block according to the receiving power of the interference signal.
7. A resource allocation apparatus, applied to a first network device, where the first network device includes a network server or a base station for ground-to-air communication, the apparatus comprising:
the receiving module is used for receiving network state information and navigation information sent by second equipment arranged on the flight equipment, wherein the second equipment comprises an airborne terminal, the network state information comprises channel quality information and cache data information, and the navigation information comprises position information of the second equipment;
a configuration information obtaining module, configured to obtain configuration information corresponding to the second device according to the network state information and the navigation information, where the configuration information includes resource block information of a target resource block currently occupied by the second device and a transmission power of the second device;
a network device obtaining module, configured to obtain, according to the navigation information, a target network device and a received power of an interference signal of the target network device, where the target network device includes a network device interfered by a signal of the second device, and the interference signal is a signal of the second device causing signal interference to the target network device;
a sending module, configured to send resource allocation information to the target network device, where the resource allocation information includes configuration information corresponding to the second device and a received power of an interference signal of the target network device, so that the target network device allocates resources according to the resource allocation information;
the network device obtaining module 503 is specifically configured to:
acquiring preset position information of at least one third network device;
acquiring the receiving power of an interference signal of each third network device according to the position information of the second device, the position information of at least one third network device and the transmitting power of the second device;
and taking the third network equipment with the received power of the interference signal larger than a preset power threshold value from at least one third network equipment as the target network equipment.
8. A resource allocation apparatus, applied to a target network device, the apparatus comprising:
a receiving module, configured to receive resource allocation information sent by a first network device, where the first network device includes a network server or a base station for ground-to-air communication, the resource allocation information includes configuration information corresponding to a second device that is disposed on a flight device and a received power of an interference signal of a target network device, the second device includes an airborne terminal, the network state information includes channel quality information and cache data information, the flight information includes location information of the second device, the configuration information includes resource block information of a target resource block currently occupied by the second device and a transmit power of the second device, the resource block information includes a usage time of the target resource block, and the interference signal is a signal that the second device causes signal interference to the target network device;
the adjusting module is used for adjusting resource allocation according to the resource allocation information;
the target network device is determined by:
the method comprises the steps that under the condition that first network equipment obtains preset position information of at least one third network equipment according to received network state information and navigation information sent by second equipment, wherein the network state information comprises channel quality information and cache data information, and the navigation information comprises the position information of the second equipment;
acquiring the receiving power of an interference signal corresponding to each third network device according to the position information of the second device, the position information of at least one third network device and the transmitting power of the second device;
and taking the third network equipment with the received power of the interference signal larger than a preset power threshold value from at least one third network equipment as the target network equipment.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4, or which, when being executed by a processor, carries out the steps of the method of any one of claims 5 to 6.
10. A network device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to carry out the steps of the method of any one of claims 1 to 4 or to carry out the steps of the method of any one of claims 5 to 6.
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