CN115940999A - Communication method, device and medium based on multi-antenna time discrete narrow-band aggregation - Google Patents
Communication method, device and medium based on multi-antenna time discrete narrow-band aggregation Download PDFInfo
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- CN115940999A CN115940999A CN202211406619.3A CN202211406619A CN115940999A CN 115940999 A CN115940999 A CN 115940999A CN 202211406619 A CN202211406619 A CN 202211406619A CN 115940999 A CN115940999 A CN 115940999A
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- 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 invention discloses a communication method, equipment and medium based on multi-antenna time discrete narrow-band aggregation, comprising the following steps: the first antenna transmits a first signal, and the first signal is used for providing available information; the second antenna transmits a second signal, and the second signal is used for providing second available information; a third antenna receives a third signal, wherein the third signal comprises occupancy information; the second signal is transmitted after receiving the third signal; the second signal is determined by the first signal and the third signal together; the utilization rate of transmission resources is improved through multi-antenna alternate communication, and the reliability of downlink receiving is improved through multi-signal determination communication; available communication resources in narrow-band transmission are updated in real time through multiple antennas, and narrow-band aggregation communication efficiency is improved through utilization of information at different positions in the communication resources; the state of the communication resource is changed through the transient state moving instruction, the complexity of detecting the communication resource again is reduced, and the communication efficiency is improved.
Description
Technical Field
The present invention relates to the field of multi-antenna communication technologies, and in particular, to a communication method, device, and medium based on multi-antenna time-discrete narrowband aggregation.
Background
For communication of some specific industries, the spectrum resources are fixedly allocated resources, and the allocated spectrum resources are narrow in bandwidth and discrete. However, a general transmission system uses a continuous bandwidth to transmit broadband services, so discrete spectrum resources allocated by users in some industries are difficult to utilize, and the existing discrete narrowband communication system can only support low-rate services, and if the continuous bandwidth is used to transmit services, interference to spectrum resources allocated by users in other industries is likely to be caused.
In the prior art, a broadband transmission system based on discrete narrowband aggregation is suitable for a narrowband planning frequency band, can realize flexible aggregation use of narrowband resources without changing the existing frequency use mode, and realizes broadband transmission so as to meet the broadband service requirements of the industry. But the reliability of downlink receiving is not guaranteed, and the utilization rate of transmission resources is not high.
For example, a "communication method and apparatus" disclosed in chinese patent literature has a publication number: CN109275190A, discloses a method comprising sending first indication information to a terminal, and determining frequency points of all discrete sub-bands of a cell; and the terminal receives the second indication information and determines usable sub-bands in all the discrete self-bands. The scheme also has the problems of no guarantee of downlink receiving reliability and low utilization rate of transmission resources.
Disclosure of Invention
In order to solve the problems of low utilization rate of transmission resources and poor downlink receiving reliability in narrow-band aggregation in the prior art, the invention provides a communication method, equipment and medium based on multi-antenna time discrete narrow-band aggregation, which improve the utilization rate of the transmission resources through multi-antenna alternate communication and improve the reliability of downlink receiving through multi-signal determination communication.
In order to achieve the above purpose, the invention provides the following technical scheme:
a communication method based on multi-antenna time discrete narrow-band aggregation comprises the following steps: the first antenna transmits a first signal, and the first signal is used for providing available information; the second antenna transmits a second signal, and the second signal is used for providing second available information; a third antenna receives a third signal, wherein the third signal comprises occupancy information; the second signal is transmitted after receiving the third signal; the determination of the second signal is determined by the first signal and the third signal together. Dividing a plurality of nodes in communication resources according to the information source characteristics, respectively setting on-off signals for each node, wherein the on-off signals are used for determining whether the node is occupied or not, and adding a node number in front of the on-off signals to obtain the codes of the communication resources; and checking the on-off signal at the end of the communication resource code to judge the available information, and sending the available information and the first time as a first signal to the terminal. Aggregating the received narrow-band signals into communication resources, wherein the communication resources communicate the narrow-band signals through different nodes respectively, and the on-off signal state of the node of the narrow-band communication is obtained and is indicated as busy; and after receiving the third signal, the occupation information represents the required on-off signal of the node as busy. And the terminal sends a third signal after receiving the first signal and the second signal. The communication resources can be simultaneously utilized through multiple antennas, and the reliability of downlink reception can be improved.
Preferably, the first antenna is located at a transmission node, the transmitting of the first signal comprises counting available communication resources, and the available communication resources are transmitted together with the modulation information. The transmission node is provided with a communication resource library, a plurality of sub-bands are arranged in the communication resource library, each sub-band is provided with a first transmission area and a second transmission area, an isolation interval is arranged between the first transmission area and the second transmission area, and when the first transmission area and the second transmission area are occupied, the on-off signal of the node where the sub-band is located is represented as busy; the first transmission area and the second transmission area are fixed in length, a plurality of subframes are arranged in the sub-band, the plurality of subframes are sequentially arranged in the first transmission area and the second transmission area, the isolation interval is positioned in one subframe, the subframe where the isolation interval is positioned is simultaneously connected with the first transmission area, the isolation interval and the second transmission area, the state of the on-off signal is indicated to be smooth when the on-off signal is in the isolation interval in the subframe, and the state of the on-off signal is indicated to be busy when the on-off signal is in the first transmission area or the second transmission area in the subframe. And representing the on-off signal as a smooth sub-band as an available communication resource, and sending the available communication resource and the corresponding modulation information as a first signal to the terminal. Thereby providing information of available communication resources for narrowband aggregate communications.
Preferably, the second antenna is located at the transmission node, the second signal is transmitted after the third signal is transmitted and the third signal is received, and the second available information includes the modified communication resource and the modulation information. The transmission node is connected with a communication resource library which is simultaneously connected with a first antenna and a second antenna, the first antenna is used for providing available communication resources for the terminal, the second antenna is used for providing real-time available communication resources for the terminal, the first antenna is used for checking on-off signals, and the second antenna is used for checking an isolation interval; and the first antenna packs and transmits all available modulation information, and the second antenna transmits the modulation information of the optimal sub-band. And the second antenna again reviews the usable sub-band after the third antenna receives the third signal, and the reviewing standard comprises reviewing the length of the second transmission region. The communication resources can be checked again before downlink signal transmission and sent to the terminal, and communication efficiency is improved.
Preferably, the third antenna is located at the transmission node, and the reception of the third signal is located after the transmission of the first signal, and the occupation information includes requirement information of the communication resource. The third antenna, the first antenna and the second antenna are simultaneously located on the transmission node, the demand information comprises communication information and a second permission signal, the second permission signal is an admission mark after the terminal receives the second signal, the admission mark returns to the transmission node through the third signal after passing through the second signal to the terminal, the second permission signal moves the on-off signal to a position in the subframe, the existence time of the second permission signal is controlled through a timer, the difference value of the first time minus the second time after the communication of the second permission signal is finished disappears, the second permission signal provides a transient movement instruction for the on-off signal, the transient movement instruction disappears after the second permission signal disappears, and the on-off signal returns to the position of the isolation interval at the moment. The transmission reliability of the downlink signal can be satisfied.
Preferably, the third signal is transmitted by the terminal, the reception of the second signal is at a different terminal from the transmission of the third signal, and the terminal transmits the third signal and simultaneously transmits the communication information. And after the terminal is communicated with the first antenna, the terminal is communicated with the third antenna and finally is connected with the second antenna to finish communication. The terminal and different antennas can be connected and communicated to represent different communication progress respectively, the communication process is segmented and is carried out through different antennas respectively, each terminal is controlled and carried out when multi-terminal communication is achieved, the transmission node can be used for different positions of communication resources through different antennas, communication efficiency is improved, processing efficiency is improved, and communication reliability is improved.
Preferably, the determination of the second signal comprises adding the isolation interval to the third signal, subtracting the addition result from the first signal; the second signal and the first signal respectively acquire communication resources and modulate the communication resources. The requirement information of the communication resource comprises a required second transmission area length, the length of the isolation interval and the required second transmission area length are added, and the addition result is used as a target position of the transient movement instruction; the method comprises the steps that a first signal acquires the state representation condition of an on-off signal, the state representation condition of the on-off signal is located at the beginning of a first transmission area, meanwhile, a sub-band code is located in the first transmission area, and length information of a second transmission area is located in the first transmission area; the second signal acquires the position of the on-off signal in the isolation interval; wherein the modulation information is information that allows devices of the same modulation information to connect when operating. The information of different positions of the communication resources can be respectively processed through the first signal and the second signal, and the resource utilization rate is improved.
A communication device based on multi-antenna time discrete narrow-band aggregation comprises a processor, a storage medium and a computer program, and the calculation and the program are executed to realize the communication method based on multi-antenna time discrete narrow-band aggregation. The processor is connected with the storage medium, the processor comprises a multifunctional processor, and the computer program is located in the multifunctional processor or the storage medium, and the running of the program is realized through the combination of the processor and the storage medium.
A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a communication method based on multi-antenna time discrete narrowband aggregation as described above. The method can be implemented by running the computer-readable storage medium, and can also be implemented by reading a program in the computer-readable storage medium by other processors and running the program. The program which can realize the method can be transferred and run to realize the moving operation.
The invention has the following advantages:
(1) The utilization rate of transmission resources is improved through multi-antenna alternate communication, and the reliability of downlink receiving is improved through multi-signal determination communication; (2) Available communication resources in narrow-band transmission are updated in real time through multiple antennas, and narrow-band aggregation communication efficiency is improved through utilization of information at different positions in the communication resources; (3) The state of the communication resource is changed through the transient state moving instruction, the complexity of detecting the communication resource again is reduced, and the communication efficiency is improved.
Drawings
The drawings in the following description are merely exemplary, and it will be apparent to those of ordinary skill in the art that other embodiments can be derived from the provided drawings without inventive effort.
FIG. 1 is a schematic diagram of the process steps of the present invention.
Fig. 2 is a schematic diagram of the connection relationship of the devices in the present invention.
FIG. 3 is a schematic diagram of the structure of the sub-band in the present invention.
In the figure:
1-a processor; 2-a storage medium; 3-a computer program; 4-a communication bus; 5-subband; 6-a first transport zone; 7-a second transmission zone; 8-isolation interval; 9-subframe.
Detailed Description
The following description is given for the purpose of illustrating the embodiments of the present invention and all other embodiments that can be derived by a person skilled in the art from the embodiments given herein without making any creative effort fall within the protection scope of the present invention.
As shown in fig. 1, in a preferred embodiment, the present invention discloses a communication method based on discrete narrowband aggregation when multiple antennas are used, which includes the following steps: the first antenna transmits a first signal, and the first signal is used for providing available information; the first antenna is located at a transmission node, and transmitting the first signal includes counting available communication resources and transmitting the available communication resources together with modulation information. The transmission node is connected with a communication resource library, a plurality of sub-bands 5 are arranged in the communication resource library, a first transmission area 6 and a second transmission area 7 are arranged on each sub-band 5, an isolation area 8 is arranged between the first transmission area 6 and the second transmission area 7, and when the first transmission area 6 and the second transmission area 7 are occupied, the on-off signal of the node where the sub-band is located is indicated as busy; the first transmission area 6 and the second transmission area 7 are fixed in length, a plurality of continuous subframes 9 are arranged in the sub-band 5, the plurality of continuous subframes 9 are sequentially arranged in the first transmission area 6 and the second transmission area 7, the isolation interval 8 is arranged in one subframe 9, the subframe 9 in which the isolation interval 8 is located is simultaneously connected with the first transmission area 6, the isolation interval 8 and the second transmission area 7, the on-off signal is indicated to be smooth when in the isolation interval 8 in the subframe 9, and the on-off signal is indicated to be busy when in the first transmission area 6 or the second transmission area 7 in the subframe 9. And representing the on-off signal as a smooth sub-band as an available communication resource, and sending the available communication resource and the corresponding modulation information as a first signal to the terminal.
When the system is used, the transmission node sends a first signal to the first terminal through the first antenna, meanwhile, the transmission node is connected with other terminals through other antennas, communication resources are stored in a communication resource library as a mapping relation, and the transmission node processes the first signal and a channel through the mapping relation.
The second antenna transmits a second signal, and the second signal is used for providing second available information; the determination of the second signal comprises adding the isolation interval to the third signal, subtracting the addition result from the first signal; the second antenna is located at the transmission node, the second signal is transmitted after the third signal is transmitted and the third signal is received, and the second available information includes the changed communication resource and the modulation information. A communication resource library is arranged in the transmission node and is simultaneously connected with a first antenna and a second antenna, the first antenna is used for providing available communication resources for the terminal, the second antenna is used for providing real-time available communication resources for the terminal, the first antenna is used for checking on-off signals, and the second antenna is used for checking an isolation interval; and the first antenna packs and transmits all available modulation information, and the second antenna transmits the modulation information of the optimal sub-band. And after the third antenna receives the third signal, the second antenna again checks the available sub-band, and the checking standard comprises checking the length of the second transmission region.
When the transmission node is used, the transmission node judges whether the third signal is received, after the third signal is judged to be received, the transmission node uses the communication resource according to the information carried by the third signal, and the transmission node screens the sub-band which meets the requirement of the third signal through the built-in processing module of the second antenna. And communicates via the modulated information transmitted by the first signal.
A third antenna receives a third signal, wherein the third signal comprises occupancy information; the second signal is transmitted after receiving the third signal; the determination of the second signal is determined by the first signal and the third signal together. The third antenna is located at the transmission node, and the reception of the third signal is located after the transmission of the first signal, and the occupation information includes requirement information of the communication resource. The third antenna, the first antenna and the second antenna are simultaneously located on the transmission node, the demand information comprises communication information and a second permission signal, the second permission signal is an admission mark after the terminal receives the second signal, the admission mark returns to the transmission node through the third signal after passing through the second signal to the terminal, the second permission signal moves the on-off signal to a position in the subframe, the existence time of the second permission signal is controlled through a timer, the difference value of the first time minus the second time after the communication of the second permission signal is finished disappears, the second permission signal provides a transient movement instruction for the on-off signal, the transient movement instruction disappears after the second permission signal disappears, and the on-off signal returns to the position of the isolation interval at the moment.
In use, the second antenna transmits the second grant signal to the first terminal, which converts the second grant signal into a grant tag for addition to the third signal.
The third signal is transmitted by the terminal, the receiving of the second signal and the transmitting of the third signal are in different terminals, and the terminal transmits the third signal and simultaneously transmits the communication information. And after the terminal is communicated with the first antenna, the terminal is communicated with the third antenna and finally is connected with the second antenna to finish communication. The terminal and different antennas can be connected and communicated to represent different communication progress respectively, the communication process is segmented and is carried out through different antennas respectively, each terminal is controlled and carried out when multi-terminal communication is achieved, and therefore the transmission node can use different positions of communication resources through different antennas.
When the first terminal receives the first signal, the transmission node acquires a second signal from the second terminal through the second antenna, and after the transmission node acquires the second signal from the second terminal, the transmission node transmits the second signal to the first terminal through the second antenna. Thereby realizing different progress communication of multiple devices.
The second signal and the first signal respectively acquire communication resources and modulate the communication resources. The requirement information of the communication resource comprises a required second transmission area length, the length of the isolation interval and the required second transmission area length are added, and the addition result is used as a target position of the transient movement instruction; the method comprises the steps that a first signal acquires the state representation condition of an on-off signal, the state representation condition of the on-off signal is located at the beginning of a first transmission area 6, meanwhile, a sub-band code is located in the first transmission area 6, and length information of a second transmission area 7 is located in the first transmission area 6; the second signal acquires the position of the on-off signal in the isolation interval; wherein the modulation information is information that allows devices of the same modulation information to connect when operating.
A communication device based on multi-antenna discrete narrow-band aggregation comprises a processor 1, a storage medium 2 and a computer program 3, wherein the computer program 3 realizes the communication method based on multi-antenna discrete narrow-band aggregation when being executed. The processor 1 is connected to a storage medium 2, the processor 1 comprising a multi-function processor, and the computer program 3 is located in the multi-function processor or storage medium 2, the execution of which is realized by the processor 1 in combination with the storage medium 2.
In use, the processor 1 is connected to the communication bus 4 or a wireless signal transmitter, and the processor 1 performs communication in the above-described manner according to the program.
A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a communication method based on multi-antenna time discrete narrowband aggregation as described above. The method can be implemented by running the computer-readable storage medium, and can also be implemented by reading a program in the computer-readable storage medium by other processors and running the program. The program which can realize the method can be transferred and run to realize the moving operation.
In use, the readable storage medium stores a program enabling the method to be implemented by connecting the readable storage medium with a communication bus or a wireless signal transmitter.
In the second embodiment, a reference signal is obtained before the first signal is sent, the communication resources are screened once according to the reference signal, the reference signal comprises the characteristic information of the information to be transmitted, the communication resources conforming to the characteristic information are screened, and the smooth sub-bands 5 are screened simultaneously when the communication resources conforming to the characteristic information are screened. When the narrow-band aggregation transmission method is used, the transmission node is connected with a plurality of sub-bands, and narrow-band aggregation transmission is achieved through combination of the sub-bands.
In a third embodiment, the data of the sub-bands are fused into a node number, and the node number and the on-off signal are combined into a communication resource code. Dividing a plurality of nodes in communication resources according to the characteristics of information sources, respectively setting on-off signals for each node, wherein the on-off signals are used for determining whether the node is occupied or not, and adding node numbers in front of the on-off signals to obtain codes of the communication resources; and checking the on-off signal at the end of the communication resource code to judge the available information, and sending the available information and the first time as a first signal to the terminal. Aggregating the received narrow-band signals into communication resources, wherein the communication resources communicate the narrow-band signals through different nodes respectively, and the on-off signal state of the node of the narrow-band communication is obtained and is indicated as busy; and after receiving the third signal, the occupation information represents the required on-off signal of the node as busy. And the terminal sends a third signal after receiving the first signal and the second signal.
When the antenna is used, the transmission node carries out numbering management on a plurality of narrow bands, the first antenna judges the on-off signal at the communication resource coding position, and does not judge the on-off signal at the front end of the first transmission area.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A communication method based on multi-antenna time discrete narrow-band aggregation is characterized by comprising the following steps: the first antenna transmits a first signal, and the first signal is used for providing available information; the second antenna transmits a second signal, and the second signal is used for providing second available information; a third antenna receives a third signal, wherein the third signal comprises occupancy information; the second signal is transmitted after receiving the third signal; the determination of the second signal is determined by the first signal and the third signal together.
2. The method of claim 1, wherein the first antenna is located at a transmitting node, and wherein the transmitting of the first signal comprises counting available communication resources and transmitting the available communication resources and the modulation information together.
3. The communication method according to claim 1 or 2, wherein the second antenna is located at the transmission node, the second signal is transmitted after the third signal is transmitted and the third signal is received, and the second available information includes the modified communication resource and the modulation information.
4. The communication method according to claim 1 or 2, wherein the third antenna is located at the transmission node, the reception of the third signal is located after the transmission of the first signal, and the occupancy information includes information on the requirement of the communication resource.
5. The method as claimed in claim 4, wherein the third signal is transmitted via the terminal, the receiving of the second signal and the transmitting of the third signal are located in different terminals, and the terminal transmits the third signal and simultaneously transmits the communication information.
6. The method according to claim 5, wherein the determining of the second signal comprises adding the guard interval to the third signal, and subtracting the addition result from the first signal; and the second signal and the first signal respectively acquire communication resources and modulate the communication resources.
7. A communication device based on multi-antenna time discrete narrowband aggregation, comprising a processor, a storage medium, and a computer program, wherein the computer program and the computer program are configured to implement the method for multi-antenna time discrete narrowband aggregation based communication according to any one of claims 1 to 6.
8. A computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements a method for communication based on multi-antenna time discrete narrowband aggregation according to any of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211406619.3A CN115940999A (en) | 2022-11-10 | 2022-11-10 | Communication method, device and medium based on multi-antenna time discrete narrow-band aggregation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211406619.3A CN115940999A (en) | 2022-11-10 | 2022-11-10 | Communication method, device and medium based on multi-antenna time discrete narrow-band aggregation |
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| CN115940999A true CN115940999A (en) | 2023-04-07 |
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| CN202211406619.3A Pending CN115940999A (en) | 2022-11-10 | 2022-11-10 | Communication method, device and medium based on multi-antenna time discrete narrow-band aggregation |
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