A channel determination method and a transmitting end device
By selecting the carrier with the least interference in the transmitting device for carrier aggregation, and configuring the main channel and the sub-channel, the problems of low reliability and insufficient anti-interference capability in the existing WiFi carrier aggregation technology are solved, and more efficient carrier aggregation and anti-interference effects are achieved.
Patent Information
- Application Number
- CN202011481921.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-12-15
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2040-12-15
AI Technical Summary
In the existing WiFi carrier aggregation technology, continuous carrier aggregation leads to low reliability of service data transmission, large interference from adjacent carriers, and insufficient anti-interference ability.
By obtaining the first interference ratio of each carrier in the transmitting device, selecting the target carrier with the least interference for carrier aggregation, and configuring the main channel and the secondary channel for each target carrier to improve the anti-interference ability and carrier aggregation effect.
It improves the effect and anti-interference ability of carrier aggregation, enhances the reliability and flexibility of service data transmission, and supports carrier aggregation between discontinuous carriers.
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Figure CN114641069B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of communications, and in particular to a channel determination method and a transmitting end device. Background Art
[0002] With the gradual opening of WiFi standards, the frequency band has been gradually expanded from 2.4G to Sub7G, and the bandwidth has gradually evolved from 80MHz to 320MHz. In order to increase the service data capacity, it is also necessary to apply carrier aggregation technology in WiFi.
[0003] At present, one carrier aggregation method applied to WiFi is to aggregate multiple continuous carriers, where the bandwidth of each carrier involved in the aggregation is the same. However, there is a large interference between adjacent carriers, and the method of aggregating continuous carriers will result in low reliability of service data transmission. In addition, the carriers involved in the aggregation use the same main channel to transmit control information, and the anti-interference ability is poor. Summary of the invention
[0004] The embodiments of the present application provide a channel determination method and a transmitting end device.
[0005] In the first aspect, an embodiment of the present application provides a channel determination method. First, a transmitting end device obtains a first interference ratio corresponding to each carrier in a plurality of carriers, and the first interference ratio is the ratio of a first duration to the sum of a first duration and a second duration. Wherein, for each carrier, the first duration is the duration of signal transmission interruption when a signal is transmitted through the carrier, and the second duration is the duration of signal transmission through the carrier. Afterwards, the transmitting end device selects at least two target carriers from a plurality of carriers according to the first interference ratio corresponding to each carrier, and the at least two target carriers are used for carrier aggregation. Wherein, the first interference ratio corresponding to each target carrier is less than the first interference ratio corresponding to each other carrier in the plurality of carriers except for at least two target carriers. Furthermore, the transmitting end device determines a main channel and a sub-channel in each target carrier. Wherein, the main channel can be used to transmit both control information and service data, and the sub-channel is only used to transmit service data.
[0006] In this implementation, the transmitting device will count the interference ratio of each carrier and select the target carrier participating in the carrier aggregation based on the principle of minimum interference, so that the effect of carrier aggregation is better. In addition, since a carrier aggregation mechanism that can cross carriers is provided, carrier aggregation can also be performed between discontinuous carriers, which improves the flexibility of the solution. In addition, the transmitting device will also configure the main channel for each target carrier participating in the carrier aggregation, which has a stronger anti-interference ability.
[0007] In some possible implementations, the number of channels in each target carrier is multiple, and the transmitting end device determines the primary channel and the secondary channel in each target carrier including:
[0008] The transmitting end device obtains the second interference ratio corresponding to each channel in each target carrier, and the second interference ratio is the ratio of the third duration to the sum of the third duration and the fourth duration. For each channel, the third duration is the duration of signal transmission interruption when transmitting a signal through the channel, and the fourth duration is the duration of signal transmission through the channel. Furthermore, the transmitting end device determines the main channel in each target carrier according to the second interference ratio corresponding to each channel in each target carrier, wherein the second interference ratio corresponding to the main channel in each target carrier is the smallest. It should be understood that the channels other than the main channel in each target carrier are sub-channels. In this embodiment, the transmitting end device selects the main channel for each carrier based on the principle of minimum interference, thereby ensuring the stability of transmitting control information through the main channel.
[0009] In some possible implementations, there are multiple secondary channels in each target carrier. After the transmitting end device determines the primary channel and the secondary channel in each target carrier, the method further includes:
[0010] The transmitting end device determines the target subchannel in each target carrier according to the second interference ratio corresponding to each subchannel in each target carrier. The second interference ratio corresponding to the target subchannel in each target carrier is less than or equal to the interference ratio threshold value, and the target subchannel in each target carrier is used to transmit service data. In this embodiment, the subchannel with greater interference can be excluded by carrier puncturing, and the subchannel with less interference is retained to transmit service data, thereby ensuring the transmission quality of service data.
[0011] In some possible implementations, the bandwidth of each target carrier is the same, or the bandwidth of at least two target carriers is different. Specifically, the bandwidth of each target carrier participating in carrier aggregation can be flexibly configured by carrier puncturing. For example, the pre-specified bandwidth of each carrier is 160MHz. If carrier puncturing is not performed, the bandwidth of each target carrier participating in carrier aggregation is 160MHz. If carrier puncturing is performed, the bandwidths of at least two target carriers may be different, thereby achieving carrier aggregation between a carrier with a bandwidth of 160MHz and a carrier with a bandwidth of 80MHz, thereby improving the flexibility of carrier aggregation.
[0012] In some possible implementations, each target carrier may carry the same service data, thereby backing up the service data and enhancing the stability of the service data transmission. Of course, each target carrier may also carry different service data to increase the throughput capacity of the system.
[0013] In some possible implementations, the control information includes a frequency range of a target carrier, a frequency range of a primary channel, and a frequency range of a secondary channel, so that a receiving device can demodulate received service data according to the control information.
[0014] In some possible implementations, after the transmitting end device configures the primary channel and the secondary channel in each target carrier, the method further includes:
[0015] The transmitting end device combines the signals carried on at least two target carriers to obtain a target signal, and transmits the target signal. The present application provides a data transmission method based on carrier aggregation, which improves the feasibility of the solution.
[0016] In some possible implementations, the number of target carriers is 2, the target carriers include a first carrier and a second carrier, the first carrier is used to carry the first signal, and the second carrier is used to carry the second signal, and after the transmitting end device configures the primary channel and the secondary channel in each target carrier, the method further includes:
[0017] The transmitting device combines the first signal and the second signal to obtain the target signal. Furthermore, the transmitting device sends the data of the odd bits in the target signal through the first carrier, and sends the data of the even bits in the target signal through the second carrier. The present application provides another data transmission method based on carrier aggregation, that is, data is transmitted through two channels after carrier aggregation, and this method is compatible with multiple working modes. Specifically, it can support a working mode in which a single carrier signal is sent separately, a working mode in which two single carrier signals are sent separately, and a working mode in which two single carrier signals are sent after carrier aggregation.
[0018] In a second aspect, an embodiment of the present application provides a transmitting end device, including: a processor, a memory, and a transceiver, the processor, the memory, and the transceiver are interconnected via lines, and instructions are stored in the memory.
[0019] The processor is used to: obtain a first interference ratio corresponding to each carrier among multiple carriers, where the first interference ratio is the ratio of the first duration to the sum of the first duration and the second duration. For each carrier, the first duration is the duration of signal transmission interruption when transmitting a signal through the carrier, and the second duration is the duration of signal transmission through the carrier. Determine at least two target carriers based on the first interference ratio corresponding to each carrier, where the first interference ratio corresponding to each target carrier is less than the first interference ratio corresponding to each carrier other than the at least two target carriers among the multiple carriers, and at least two target carriers are used for carrier aggregation. Determine the main channel and the sub-channel in each target carrier, where the main channel is used to transmit control information and service data, and the sub-channel is used to transmit service data.
[0020] In some possible implementations, the number of channels in each target carrier is multiple, and the processor is specifically used to: obtain the second interference ratio corresponding to each channel in each target carrier, the second interference ratio is the ratio of the third duration to the sum of the third duration and the fourth duration, for each channel, the third duration is the duration of signal transmission interruption when transmitting a signal through the channel, and the fourth duration is the duration of signal transmission through the channel. Determine the main channel in each target carrier according to the second interference ratio corresponding to each channel in each target carrier, wherein the second interference ratio corresponding to the main channel in each target carrier is the smallest. Determine the channels other than the main channel in each target carrier as secondary channels.
[0021] In some possible implementations, there are multiple sub-channels in each target carrier. After the transmitting end device determines the main channel and the sub-channel in each target carrier, the processor is also used to: determine the target sub-channel in each target carrier according to the second interference ratio corresponding to each sub-channel in each target carrier, wherein the second interference ratio corresponding to the target sub-channel in each target carrier is less than or equal to the interference ratio threshold value, and the target sub-channel in each target carrier is used to transmit service data.
[0022] In some possible implementations, the bandwidth of each target carrier is the same, or the bandwidth of at least two target carriers is different.
[0023] In some possible implementations, the secondary channel in each target carrier is used to transmit the same service data.
[0024] In some possible implementations, the control information includes a frequency range of a target carrier, a frequency range of a primary channel, and a frequency range of a secondary channel.
[0025] In some possible implementations, after the transmitting end device configures the primary channel and the secondary channel in each target carrier, the processor is further configured to combine the signals carried by at least two target carriers to obtain the target signal. The transceiver is configured to send the target signal.
[0026] In some possible implementations, the number of target carriers is 2, and the target carriers include a first carrier and a second carrier, the first carrier is used to carry the first signal, and the second carrier is used to carry the second signal. After the transmitting end device configures the main channel and the secondary channel in each target carrier, the processor is also used to combine the first signal and the second signal to obtain the target signal. The transceiver is used to send the data of the odd bits in the target signal through the first carrier, and send the data of the even bits in the target signal through the second carrier.
[0027] In a third aspect, an embodiment of the present application provides a computer-readable storage medium having computer instructions stored thereon. When the computer instructions are executed, the channel determination method provided in any possible implementation manner of the first aspect to is implemented.
[0028] In the embodiment of the present application, the transmitting end device will count the interference ratio of each carrier, and select the target carrier participating in the carrier aggregation based on the principle of minimum interference, so that the effect of carrier aggregation is better. In addition, since a carrier aggregation mechanism that can cross carriers is provided, carrier aggregation can also be performed between discontinuous carriers, which improves the flexibility of the solution. In addition, the transmitting end device will also configure the main channel for each target carrier participating in the carrier aggregation, which has stronger anti-interference ability. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 is a schematic diagram of a data transmission system based on carrier aggregation;
[0030] Figure 2 Schematic diagram of carriers and channels in an embodiment of the present application;
[0031] Figure 3 A schematic diagram of carrier puncturing in an embodiment of the present application;
[0032] Figure 4 A schematic diagram of a channel determination method in an embodiment of the present application;
[0033] Figure 5 A schematic diagram of the structure of a digital front-end processing unit of a transmitting device in an embodiment of the present application;
[0034] Figure 6 A structural schematic diagram of a digital front-end processing unit of a receiving device in an embodiment of the present application;
[0035] Figure 7 A schematic diagram of the structure of a possible sending end device is shown in FIG. DETAILED DESCRIPTION
[0036] The present application provides a channel determination method and a transmitting end device. It should be noted that the terms "first", "second" and "third" in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, rather than to limit a specific order or sequence. It should be understood that the above terms can be interchanged where appropriate, so that the embodiments described in the present application can be implemented in an order other than that described in the present application. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0037] The present application is mainly applied to a WiFi system that transmits data through carrier aggregation (CA) technology, wherein carrier aggregation refers to aggregating several component carriers (CC) together to achieve a larger transmission bandwidth, thereby effectively improving the uplink and downlink transmission rates. Figure 1 Figure 1 is a schematic diagram of a data transmission system based on carrier aggregation. Figure 1 As shown, the transmitting device 10 includes a baseband processing unit 101 and a baseband processing unit 102, which are respectively used to encode, stream map, and modulate the signals carried by carrier 1 and carrier 2. After that, the digital front-end processing unit 103 performs operations such as carrier aggregation and up-sampling rate conversion. Furthermore, the RF processing unit 104 performs digital-to-analog conversion, up-conversion modulation, and power amplification operations and then sends the output signal through the antenna. After the receiving device 20 receives the output signal of the transmitting device 10, the RF processing unit 204 first performs analog-to-digital conversion, down-conversion modulation, and low-noise amplification operations. After that, the digital front-end processing unit 203 performs operations such as carrier separation and down-sampling rate conversion. Furthermore, the signals after carrier separation are transmitted to the baseband processing unit 201 and the baseband processing unit 202, respectively, and operations such as demapping and decoding are performed.
[0038] First, some terms in this application are explained below to facilitate understanding by those skilled in the art.
[0039] (1)Carrier and channel: Figure 2Schematic diagram of carrier and channel in the embodiment of the present application. The carrier can be a continuous frequency band used by the communication system, and the continuous frequency band can be further divided into multiple sub-frequency bands, and each sub-frequency band or multiple sub-frequency bands can be regarded as a channel. Among them, the channel can be further divided into a main channel and a sub-channel, the main channel is used to transmit control information, and the sub-channel is used to transmit business data. It should be understood that in some possible implementations, the main channel can also be used to transmit business data or both control information and business data.
[0040] (2) Carrier puncturing: Figure 3 This is a schematic diagram of carrier puncturing in an embodiment of the present application. In practical applications, not every channel is suitable for transmitting signals. If one or more channels have large interference, the locations where these channels are located can be punctured, that is, these channels with large interference are not used to transmit signals. Carrier puncturing can be used to screen out channels suitable for transmitting signals, thereby ensuring the transmission quality of the signal.
[0041] The channel determination method provided in the embodiment of the present application is described below. It should be noted that the above-mentioned transmitting device and receiving device are only distinguished from the level of signal transmission and reception. The transmitting device may also have the ability to receive signals, and the receiving device may also have the ability to send signals. The present application does not limit the specific types of transmitting devices and receiving devices. For example, the transmitting communication device includes but is not limited to an access point (Access Point, AP), and the receiving communication device includes but is not limited to a station (STA). For the convenience of description, the transmitting device is introduced as the execution subject below.
[0042] Figure 4 Schematic diagram of a channel determination method in an embodiment of the present application. The channel determination method comprises the following steps:
[0043] 401. Obtain a first interference ratio corresponding to each carrier among multiple carriers.
[0044] The transmitting end device performs interference scanning according to the spectrum specified by the country or region, which is used to count the first interference ratio corresponding to each carrier. Specifically, the transmitting end device can count the interference ratio by receiving the signal sent by itself. It should be understood that if it is an ideal state without interference, the time taken by the transmitting end device to send the signal is equal to the time taken to receive the signal. If there is interference, the transmitting end device will temporarily send the signal due to interference during the process of sending the signal, and continue to send the signal after the interference ends. The total time the transmitting end device receives the signal is equal to the sum of the time when the signal transmission is interrupted and the time when the signal is normally transmitted. Therefore, the first interference ratio is equal to the ratio of the first time length to the sum of the first time length and the second time length. For the same carrier, the first time length is the time when the signal transmission is interrupted when the signal is transmitted through the carrier, and the second time length is the time when the signal is transmitted through the carrier. For example, if the first time length is 50ms and the second time length is also 50ms, then the first interference ratio is 0.5.
[0045] The transmitting device can traverse the specified spectrum with the preset bandwidth as the granularity according to the above-mentioned interference scanning method, so as to obtain the interference ratio within each preset bandwidth range in the spectrum. Furthermore, based on the bandwidth occupied by each carrier, the first interference ratio corresponding to each carrier can be calculated. For example, the transmitting device performs interference scanning with a granularity of 20MHz bandwidth, and the bandwidth occupied by each carrier is 80MHz, then the average value of the interference ratio corresponding to each 20MHz bandwidth in the 80MHz carrier is the first interference ratio corresponding to the carrier. Taking the interference ratios corresponding to the 20MHz bandwidth as 0.1, 0.5, 0.1 and 0.5 respectively, the first interference ratio corresponding to the 80MHz carrier is 0.3.
[0046] 402. Determine at least two target carriers according to a first interference ratio corresponding to each carrier.
[0047] In this embodiment, the transmitting end device determines at least two target carriers for carrier aggregation according to the first interference ratio corresponding to each carrier. Specifically, the transmitting end device selects at least two target carriers according to the principle of minimum interference ratio, that is, the first interference ratio corresponding to each target carrier is less than the first interference ratio corresponding to each other carrier. It should be understood that the at least two selected target carriers can be continuous carriers or discontinuous carriers. The bandwidth of each target carrier participating in the carrier aggregation is the same, or the bandwidth of at least two target carriers can also be different. In addition, the present application does not limit the specific number of target carriers.
[0048] 403. Determine a primary channel and a secondary channel in each target carrier.
[0049] After the transmitting end device determines the target carrier for carrier aggregation, it will further determine the primary channel and the secondary channel in each target carrier, which are introduced below.
[0050] Determine the main channel: The transmitting end device will count the second interference ratio corresponding to each channel in each target carrier, where the second interference ratio is similar to the definition of the first interference ratio mentioned above. Specifically, the second interference ratio is the ratio of the third duration to the sum of the third duration and the fourth duration. For the same channel, the third duration is the duration of signal transmission interruption when transmitting a signal through the channel, and the fourth duration is the duration of signal transmission through the channel. It should be understood that the first duration corresponding to the above-mentioned carrier is equal to the sum of the third duration corresponding to each channel in the carrier, and the second duration corresponding to the above-mentioned carrier is equal to the sum of the fourth duration corresponding to each channel in the carrier. Furthermore, the transmitting end device determines the main channel in each carrier according to the principle of minimum interference ratio, that is, the second interference ratio corresponding to the main channel is less than the second interference ratio corresponding to other channels. It should be noted that compared with multiple carriers participating in carrier aggregation reusing the same main channel, since each target carrier participating in carrier aggregation in the present application is configured with a main channel, the anti-interference capability is stronger.
[0051] Determine the secondary channel: After the transmitting device determines the main channel in each carrier, the other channels in each carrier are secondary channels. Furthermore, the transmitting device will also determine whether to perform carrier puncturing based on the second interference ratio corresponding to each secondary channel. That is to say, it is necessary to exclude the secondary channels with greater interference and retain the secondary channels with less interference to transmit service data. Specifically, an interference ratio threshold value can be pre-set, and the second interference ratio corresponding to the secondary channel that needs to be punctured is greater than the interference ratio threshold value, and the second interference ratio corresponding to the secondary channel that needs to be retained is less than or equal to the interference ratio threshold value. It should be understood that the bandwidth of each target carrier participating in carrier aggregation can be flexibly configured through this carrier puncturing method. For example, the pre-specified bandwidth of each carrier is 160MHz. If carrier puncturing is not performed, the bandwidth of each target carrier participating in carrier aggregation is 160MHz. If carrier puncturing is performed, the bandwidth of at least two target carriers may be different, so that carrier aggregation between carriers with a bandwidth of 160MHz and carriers with a bandwidth of 80MHz can be achieved, thereby improving the flexibility of carrier aggregation.
[0052] It should be noted that after completing the above operations, the control information sent by the transmitting end device to the receiving end device includes but is not limited to the frequency range of each target carrier participating in carrier aggregation, the frequency range of the main channel in each target carrier, and the frequency range of the secondary channel in each target carrier. In some possible implementations, the above control information may also include the frequency range of the channel for carrier puncturing in each target carrier.
[0053] 404. Send a signal carried on the target carrier.
[0054] In this embodiment, the transmitting end device will combine the signals carried on at least two target carriers to obtain the target signal to complete carrier aggregation. Then, the transmitting end device sends the target signal to the receiving end device. It should be understood that the signal carried on the target carrier includes control information and service data. Specifically, each target carrier can carry the same service data, thereby realizing backup of the service data and enhancing the stability of the service data transmission. Of course, each target carrier can also carry different service data to increase the throughput capacity of the system.
[0055] It should be noted that after completing carrier aggregation, the transmitting end device can send signals through one channel or through multiple channels. The following describes the method of sending signals through multiple channels in combination with the structure of the digital front-end processing unit in the transmitting end device.
[0056] Figure 5 Schematic diagram of a digital front-end processing unit of a transmitting device in an embodiment of the present application. Figure 5 As shown, the signals carried on carrier 1 and carrier 2 are respectively input to the upsampling rate conversion module 501 and the upsampling rate conversion module 502. After the upsampling rate conversion process, the signal carried on each carrier will be transmitted in two ways. One path of the signal carried on carrier 1 is output to the mode selection module 507, and the other path is output to the frequency shift processing module 503. One path of the signal carried on carrier 2 is output to the mode selection module 508, and the other path is output to the frequency shift processing module 504. After the frequency shift processing, the carrier aggregation module 505 performs time domain addition aggregation processing on the signal carried on carrier 1 and the signal carried on carrier 2 to obtain the target signal, that is, carrier aggregation. After receiving the target signal, the serial-to-parallel conversion module 506 performs odd-even sampling on the target signal, and the data of the odd bits in the target signal will be output to the mode selection module 507, and the data of the even bits in the target signal will be output to the mode selection module 508.
[0057] It should be noted that the reason for adopting the above Figure 5 The structure shown is mainly for compatibility with multiple working modes. Specifically, it can support a working mode in which a single carrier signal is sent separately, a working mode in which two single carrier signals are sent separately, and a working mode in which two single carrier signals are sent after carrier aggregation. Therefore, the above-mentioned multiple working modes can be realized by setting the mode selection module 507 and the mode selection module 508.
[0058] Based on the above Figure 5 For the structure shown, the digital front-end processing unit of the receiving device also needs to adopt a corresponding design method, which is introduced below. Figure 6Schematic diagram of a digital front-end processing unit of a receiving device in an embodiment of the present application. Figure 6 As shown, the frequency shift processing module 601 and the frequency shift processing module 602 are used to perform frequency shift processing on the received signal. Afterwards, the low-pass filter 603 and the low-pass filter 604 are used to perform carrier separation. The mode selection module 605 and the mode selection module 606 are used to select the working mode, specifically the working mode adopted by the transmitting end device. The downsampling rate conversion module 607 and the downsampling rate conversion module 608 are used to perform downsampling rate conversion. The idle channel monitoring module 609 and the idle channel monitoring module 611 are used to perform idle channel monitoring (Clear Channel Assessment, CCA). The frame synchronization module 610 and the frame synchronization module 612 are used to perform frame synchronization.
[0059] It should be noted that in actual applications, the sending strategy in each working mode can be selected based on the CCA detection result, and the specific details can be referred to in Table 1 below. Among them, 0 indicates that the channel can communicate, and 1 indicates that the channel cannot communicate. Similarly, the sending strategy in each working mode can also be selected based on the result of frame synchronization, and the specific details will not be repeated here.
[0060] Table 1
[0061]
[0062] Through the above description, the carrier aggregation working mode and the single carrier working mode can adopt the same system architecture, which can be compatible with multiple working modes at a lower cost and has better practicality.
[0063] In the embodiment of the present application, the transmitting end device will count the interference ratio of each carrier, and select the target carrier participating in the carrier aggregation based on the principle of minimum interference, so that the effect of carrier aggregation is better. In addition, since a carrier aggregation mechanism that can cross carriers is provided, carrier aggregation can also be performed between discontinuous carriers, which improves the flexibility of the solution. In addition, the transmitting end device will also configure the main channel for each target carrier participating in the carrier aggregation, which has stronger anti-interference ability.
[0064] The channel determination method in the embodiment of the present application is described above. The transmitting end device used to execute the above channel determination method in the embodiment of the present application is described below.
[0065] Figure 7701 is a schematic diagram of a possible transmitting device. The transmitting device includes a processor 701, a memory 702, and a transceiver 703. The processor 701, the memory 702, and the transceiver 703 are interconnected via a line, wherein the memory 702 is used to store program instructions and data. The transceiver 703 includes a transmitter and a receiver. It should be noted that the transmitting device can be a device that implements the above Figure 4 The transmitting end device of the channel determination method in the illustrated embodiment.
[0066] In a possible implementation, the memory 702 stores support Figure 4 The program instructions and data of the steps in the embodiment shown, the processor 701 and the transceiver 703 are used to execute Figure 4 The method steps in the illustrated embodiment are as follows: Specifically, the transceiver 703 is used to perform data transceiving operations, and the processor 701 is used to perform other operations except data transceiving.
[0067] It should be noted that the above Figure 7 The processor shown in the figure may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit ASIC, or at least one integrated circuit, which is used to execute relevant programs to implement the technical solution provided in the embodiment of the present application. Figure 7 The memory shown in can store operating systems and other applications. When the technical solutions provided by the embodiments of the present application are implemented by software or firmware, the program code for implementing the technical solutions provided by the embodiments of the present application is stored in the memory and executed by the processor. In one embodiment, the processor may include a memory. In another embodiment, the processor and the memory are two independent structures.
[0068] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.
[0069] Those of ordinary skill in the art will appreciate that all or part of the steps to implement the above-mentioned embodiments can be accomplished by hardware, or can be accomplished by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage medium mentioned above can be a read-only memory, a random access memory, etc. Specifically, for example: the above-mentioned processing unit or processor can be a central processing unit, a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. Whether the above-mentioned functions are executed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.
[0070] When software is used for implementation, the method steps described in the above embodiments can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website site, a computer, a server, or a data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server, or data center. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or a data center that includes one or more available media integrations. The available medium may be a magnetic medium, (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid-state hard disk Solid State Disk (SSD)), etc.
Claims
1. A channel determination method, characterized in that: include: The transmitting end device obtains a first interference ratio corresponding to each carrier in the multiple carriers, where the first interference ratio is a ratio of a first duration to a sum of the first duration and a second duration, and for each carrier, the first duration is a duration of signal transmission interruption when a signal is transmitted through the carrier, and the second duration is a duration of signal transmission through the carrier; The transmitting end device determines at least two target carriers according to the first interference ratio corresponding to each carrier, the first interference ratio corresponding to each of the target carriers is less than the first interference ratio corresponding to each of the multiple carriers except the at least two target carriers, and the at least two target carriers are used for carrier aggregation; The transmitting end device determines a main channel and a sub-channel in each of the target carriers, the main channel is used to transmit control information and service data, and the sub-channel is used to transmit service data.
2. The method according to claim 1, characterized in that There are multiple channels in each of the target carriers, and the transmitting end device determines the primary channel and the secondary channel in each of the target carriers, including: The transmitting end device obtains a second interference ratio corresponding to each channel in each of the target carriers, where the second interference ratio is a ratio of a third duration to a sum of the third duration and a fourth duration, and for each channel, the third duration is a duration of signal transmission interruption when transmitting a signal through the channel, and the fourth duration is a duration of signal transmission through the channel; The transmitting end device determines the main channel in each of the target carriers according to the second interference proportion corresponding to each channel in each of the target carriers, wherein the second interference proportion corresponding to the main channel in each of the target carriers is the smallest; The transmitting end device determines other channels except the main channel in each of the target carriers as secondary channels.
3. The method according to claim 2, characterized in that There are multiple secondary channels in each of the target carriers. After the transmitting end device determines the primary channel and the secondary channel in each of the target carriers, the method further includes: The transmitting end device determines the target subchannel in each of the target carriers according to the second interference ratio corresponding to each subchannel in each of the target carriers, wherein the second interference ratio corresponding to the target subchannel in each of the target carriers is less than or equal to the interference ratio threshold value, and the target subchannel in each of the target carriers is used to transmit service data.
4. The method according to any one of claims 1 to 3, characterized in that The bandwidth of each of the target carriers is the same, or the bandwidth of at least two of the target carriers is different.
5. The method according to any one of claims 1 to 3, characterized in that The subchannel in each of the target carriers is used to transmit the same service data.
6. The method according to any one of claims 1 to 3, characterized in that The control information includes a frequency range of the target carrier, a frequency range of the primary channel, and a frequency range of the secondary channel.
7. The method according to any one of claims 1 to 3, characterized in that After the transmitting end device configures the primary channel and the secondary channel in each of the target carriers, the method further includes: The transmitting end device combines the signals carried by the at least two target carriers to obtain a target signal; The transmitting end device transmits the target signal.
8. The method according to any one of claims 1 to 3, characterized in that The number of the target carriers is 2, the target carriers include a first carrier and a second carrier, the first carrier is used to carry a first signal, and the second carrier is used to carry a second signal, and after the transmitting end device configures a primary channel and a secondary channel in each of the target carriers, the method further includes: The transmitting end device combines the first signal and the second signal to obtain a target signal; The transmitting end device sends data of odd-numbered bits in the target signal through the first carrier, and sends data of even-numbered bits in the target signal through the second carrier.
9. A transmitting end device, characterized in that: include: A processor, a memory and a transceiver, wherein the processor, the memory and the transceiver are connected to each other via a line, and instructions are stored in the memory; The processor is used to: obtain a first interference ratio corresponding to each carrier in multiple carriers, where the first interference ratio is a ratio of a first duration to a sum of the first duration and a second duration, and for each carrier, the first duration is a duration of signal transmission interruption when a signal is transmitted through the carrier, and the second duration is a duration of signal transmission through the carrier; Determine at least two target carriers according to the first interference ratio corresponding to each carrier, the first interference ratio corresponding to each of the target carriers is less than the first interference ratio corresponding to each of the multiple carriers except the at least two target carriers, and the at least two target carriers are used for carrier aggregation; A primary channel and a secondary channel in each of the target carriers are determined, wherein the primary channel is used to transmit control information and service data, and the secondary channel is used to transmit service data.
10. The transmitting end device according to claim 9, characterized in that: The number of channels in each of the target carriers is multiple, and the processor is specifically configured to: Obtaining a second interference ratio corresponding to each channel in each of the target carriers, where the second interference ratio is a ratio of a third duration to a sum of the third duration and a fourth duration, and for each channel, the third duration is a duration of signal transmission interruption when transmitting a signal through the channel, and the fourth duration is a duration of signal transmission through the channel; Determine a primary channel in each of the target carriers according to the second interference proportion corresponding to each channel in each of the target carriers, wherein the second interference proportion corresponding to the primary channel in each of the target carriers is the smallest; Determine that the other channels except the main channel in each of the target carriers are secondary channels.
11. The transmitting end device according to claim 10, characterized in that: There are multiple secondary channels in each of the target carriers. After the transmitting end device determines the primary channel and the secondary channel in each of the target carriers, the processor is further configured to: The target subchannel in each target carrier is determined according to the second interference ratio corresponding to each subchannel in each target carrier, wherein the second interference ratio corresponding to the target subchannel in each target carrier is less than or equal to the interference ratio threshold value, and the target subchannel in each target carrier is used to transmit service data.
12. The transmitting end device according to any one of claims 9 to 11, characterized in that: The bandwidth of each of the target carriers is the same, or the bandwidth of at least two of the target carriers is different.
13. The transmitting end device according to any one of claims 9 to 11, characterized in that: The subchannel in each of the target carriers is used to transmit the same service data.
14. The transmitting end device according to any one of claims 9 to 11, characterized in that: The control information includes a frequency range of the target carrier, a frequency range of the primary channel, and a frequency range of the secondary channel.
15. The transmitting end device according to any one of claims 9 to 11, characterized in that: After the transmitting end device configures the primary channel and the secondary channel in each of the target carriers, the processor is further configured to: Combining the signals carried by the at least two target carriers to obtain a target signal; The transceiver is used to send the target signal.
16. The transmitting end device according to any one of claims 9 to 11, characterized in that: The number of the target carriers is 2, the target carriers include a first carrier and a second carrier, the first carrier is used to carry a first signal, and the second carrier is used to carry a second signal, and after the transmitting end device configures a primary channel and a secondary channel in each of the target carriers, the processor is further used to: Combining the first signal and the second signal to obtain a target signal; The transceiver is used for sending data of odd-numbered bits in the target signal through the first carrier, and sending data of even-numbered bits in the target signal through the second carrier.
17. A computer-readable storage medium, characterized in that: The method comprises computer instructions, which, when executed on a computer device, cause the computer device to execute the method according to any one of claims 1 to 8.
Citation Information
Patent Citations
Power control method and device of of carrier aggregation
CN102118843A
Method, device and associated equipment for scheduling carrier
CN102811486A