CN117119579B - Antenna data processing method, device, equipment and storage medium - Google Patents
Antenna data processing method, device, equipment and storage medium Download PDFInfo
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Abstract
The application relates to a method, a device, equipment and a storage medium for processing antenna data. The method comprises the following steps: acquiring antenna data; according to the antenna identification and the modulation symbol identification corresponding to the antenna data, storing the antenna data into a corresponding first memory, wherein the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group; according to the data storage amount of each first memory in the same memory group, simultaneously reading antenna data from each first memory in the same memory group, storing the antenna data into a second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group; and according to frame header indication information corresponding to the basic frame of the common public wireless interface, mapping the antenna data in the second memory into the basic frame of the common public wireless interface. By adopting the method, the time sequence alignment among different antenna data can be ensured.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a storage medium for processing antenna data.
Background
In a mobile communication system, base stations in a radio access network may be distributed, and a baseband processing unit (Building Base band Unite, BBU) and a radio frequency unit (Radio Remote Unit, RRU) may be included in the distributed base station system. The BBU is typically implemented by a Radio Equipment controller (Radio Equipment Contorl, REC), and the RRU is typically implemented by a Radio Equipment (RE). For the distributed base station architecture, the common public radio interface (Common Public Radio Interface, CPRI) protocol specifies standardized specifications for the interface between REC and RE.
In the related art, the REC may map the antenna data into the basic frame of the CPRI and then send the antenna data to the RE. In the data mapping process of the basic frame of the CPRI, firstly, antenna data are stored in different first-in first-out double-port buffers (First Input First Output, FIFO) according to antenna numbers, each antenna corresponds to one FIFO, when the two FIFOs are simultaneously larger than or equal to a waterline, the two FIFOs are set to be readable, then the antenna data are read out from the two FIFOs through the indication information of the basic frame of the CPRI, and finally, the antenna data are mapped and filled to the positions corresponding to the basic frame of the CPRI in a delayed beating mode.
However, in the data mapping process of the basic frame of the CPRI, since there may be time delay between the antenna data of different antennas, when the storage depth of the two FIFOs is greater than or equal to the waterline at the same time, the antenna data in the two FIFOs are directly read according to the indication information of the basic frame of the CPRI, which may cause the alignment of the time sequences between the antenna data of different antennas.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a method, apparatus, device, and storage medium for processing antenna data that can ensure time alignment between antenna data of different antennas.
In a first aspect, the present application provides a method for processing antenna data. The method comprises the following steps:
acquiring antenna data, wherein the antenna data is data in a new wireless NR frame format;
according to the antenna identification and the modulation symbol identification corresponding to the antenna data, storing the antenna data into corresponding first memories, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identification respectively, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group;
according to the data storage amount of each first memory in the same memory group, simultaneously reading the antenna data from each first memory in the same memory group, storing the antenna data into a second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group;
And according to frame header indication information corresponding to the basic frame of the common public wireless interface, mapping the antenna data in the second memory into the basic frame of the common public wireless interface.
In one embodiment, the reading the antenna data from each first memory of the same memory group simultaneously according to the data storage amount of each first memory of the same memory group and storing the antenna data into the second memory includes:
and if the data storage amount of each first memory in the same memory group is larger than or equal to the storage amount threshold value, simultaneously reading the antenna data in each first memory in the same memory group and storing the antenna data in the second memory until all the first memories in the same memory group are read out.
In one embodiment, the storage threshold is equal to a total amount of data contained in basic frames of N common public wireless interfaces, where N is an integer greater than or equal to 1.
In one embodiment, the mapping the antenna data in the second memory to the basic frame of the common public wireless interface according to the frame header indication information corresponding to the basic frame of the common public wireless interface includes:
When first frame head indication information is received, a mapping relation between target antenna data and a basic frame of the common public wireless interface is established, the target antenna data is stored in a third memory or a fourth memory, the mapping relation is used for indicating a write address of the target antenna data in the basic frame of the common public wireless interface, and the target antenna data is the first frame head indication information and indicates the antenna data read from the second memory;
when receiving second frame head indication information, reading the target antenna data from the third memory or the fourth memory, and writing the target antenna data into a basic frame of the common public wireless interface according to a mapping relation corresponding to the target antenna data;
the first frame header indication information and the second frame header indication information are frame header indication information corresponding to a basic frame of the common public wireless interface, and the second frame header indication information is next frame header indication information of the first frame header indication information.
In one embodiment, the frame header indication information includes working state information, where the working state information is used to indicate that the third memory and the fourth memory are in a read state or a write state;
The storing the target antenna data in the third memory or the fourth memory includes:
determining a memory in a writing state in the third memory or the fourth memory according to the working state information in the first frame header indication information;
and storing the target antenna data into the memory in the writing state.
In one embodiment, the reading the target antenna data from the third memory or the fourth memory includes:
determining a memory in a reading state in the third memory or the fourth memory according to the working state information in the second frame header indication information;
and reading the target antenna data in the memory in the reading state.
In one embodiment, the working state of the third memory indicated by the same frame header indication information is different from the working state of the fourth memory; the operation states of the third memories indicated by the two frame header indication information adjacent in time sequence are different, and the operation states of the fourth memories indicated by the two frame header indication information adjacent in time sequence are also different.
In a second aspect, the present application provides an antenna data processing apparatus. The device comprises:
The acquisition module is used for acquiring antenna data, wherein the antenna data is data in a new wireless NR frame format;
the pre-storing module is used for storing the antenna data into corresponding first memories according to the antenna identifications and the modulation symbol identifications corresponding to the antenna data, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identifications respectively, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group;
the reading module is used for simultaneously reading the antenna data from each first memory of the same memory group according to the data storage amount of each first memory in the same memory group, storing the antenna data into the second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group;
and the mapping module is used for mapping the antenna data in the second memory to the basic frame of the common public wireless interface according to the frame header indication information corresponding to the basic frame of the common public wireless interface.
In one embodiment, the reading module is specifically configured to, if the data storage amounts of the first memories in the same memory group are all greater than or equal to the storage amount threshold, simultaneously read the antenna data in each first memory in the same memory group and store the antenna data in the second memory until all the first memories in the same memory group are read empty.
In one embodiment, the storage threshold is equal to a total amount of data contained in basic frames of N common public wireless interfaces, where N is an integer greater than or equal to 1.
In one embodiment, the mapping module is specifically configured to, when receiving first frame header indication information, establish a mapping relationship between target antenna data and a basic frame of the common public wireless interface, and store the target antenna data in a third memory or a fourth memory, where the mapping relationship is used to indicate a write address of the target antenna data in the basic frame of the common public wireless interface, and the target antenna data is the first frame header indication information and indicates antenna data read from the second memory; when receiving second frame head indication information, reading the target antenna data from the third memory or the fourth memory, and writing the target antenna data into a basic frame of the common public wireless interface according to a mapping relation corresponding to the target antenna data;
the first frame header indication information and the second frame header indication information are frame header indication information corresponding to a basic frame of the common public wireless interface, and the second frame header indication information is next frame header indication information of the first frame header indication information.
In one embodiment, the frame header indication information includes working state information, where the working state information is used to indicate that the third memory and the fourth memory are in a read state or a write state;
the mapping module is specifically configured to determine, in the third memory or the fourth memory, a memory in a writing state according to working state information in the first frame header indication information; and storing the target antenna data into the memory in the writing state.
In one embodiment, the mapping module is specifically configured to determine, in the third memory or the fourth memory, a memory in a read state according to working state information in the second frame header indication information; and reading the target antenna data in the memory in the reading state.
In one embodiment, the working state of the third memory indicated by the same frame header indication information is different from the working state of the fourth memory; the operation states of the third memories indicated by the two frame header indication information adjacent in time sequence are different, and the operation states of the fourth memories indicated by the two frame header indication information adjacent in time sequence are also different.
In a third aspect, the present application also provides a computer device. The computer device comprises a memory storing a computer program and a processor executing the method of processing antenna data as described above.
In a fourth aspect, the present application also provides a computer-readable storage medium. The computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the above-described antenna data processing method.
The antenna data processing method, device, equipment and storage medium firstly acquire the antenna data, wherein the antenna data is data in a new wireless NR frame format. And secondly, according to the antenna identification and the modulation symbol identification corresponding to the antenna data, storing the antenna data into corresponding first memories, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identifications respectively, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group. And finally, according to the data storage amount of each first memory in the same memory group, simultaneously reading antenna data from each first memory in the same memory group, storing the antenna data into a second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group. And finally, according to frame header indication information corresponding to the basic frame of the common public wireless interface, mapping the antenna data in the second memory into the basic frame of the common public wireless interface. According to the antenna data processing method, the antenna data are stored in the corresponding first memories based on the antenna identification and the modulation symbol identification, and then the data mapping is carried out after the antenna data stored in the first memories in the same group of memories reach the data storage requirement. By storing and reading the antenna data according to the modulation symbol identification, the time sequence problem caused by time difference of different antennas can be eliminated, and the time sequence alignment of the antenna data is realized.
Drawings
Fig. 1 is a schematic diagram of a basic frame of antenna data mapping to CPRI in the related art;
fig. 2 is an application environment diagram of a method for processing antenna data according to an embodiment of the present application;
fig. 3 is a flow chart of a method for processing antenna data according to an embodiment of the present application;
fig. 4 is a schematic diagram of a frame structure of 5G NR according to an embodiment of the present application;
fig. 5 is a block diagram of a CPRI10 ms frame according to an embodiment of the present application;
fig. 6 is a diagram illustrating data mapping of a basic frame of a CPRI in the related art;
fig. 7 is a schematic diagram of data mapping of a basic frame of a CPRI according to an embodiment of the present application;
fig. 8 is a schematic diagram of another method for processing antenna data according to an embodiment of the present application;
fig. 9 is a schematic diagram of another method for processing antenna data according to an embodiment of the present application;
fig. 10 is a block diagram of a processing device for antenna data according to an embodiment of the present application;
fig. 11 is an internal structure diagram of a computer device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
First, the related art will be described.
In a mobile communication system, a radio access network includes a base station (Base Transceiver Station, BTS) and a base station controller (Base Station Contorl, BSC), or includes a base station and a radio network controller (Radio Network Controller, RNC). The base stations in the wireless access network can be distributed, and the distributed base station system can comprise a baseband processing unit (Building Base band Unite, BBU) and a radio frequency unit (Radio Remote Unit, RRU).
In the common public Radio interface (Common Public Radio Interface, CPRI) protocol, the Radio Equipment controller (Radio Equipment Contorl, REC) corresponds to the BBU and the Radio Equipment (RE) corresponds to the RRU. CPRI) protocol specifies standardized specifications for the interface between REC and RE. CPRI belongs to the internal interface of the base station and can be connected by using optical fiber or cable.
The CPRI protocol defines layer one and layer two contents of the radio frequency interface. Wherein the physical layer may employ 8 bits (B)/10 bits, or 64 bits/66 bits encoding, the parallel converter (SERDES) rate may support multiple transmission levels, for example, may support a series of transmission levels of 614.4 megabits per second (Mbps), 1228.8 Mbps, 2457.6 Mbps, 3072 Mbps, 4915.2 Mbps, 6144 Mbps, 9830.4 Mbps, 8110.08 Mbps, 10137.6 Mbps, 12165.12 Mbps, 24330.24, etc.
In the related art, the REC may map the antenna data into the basic frame of the CPRI and then send the antenna data to the RE. Fig. 1 is a schematic diagram of a basic frame of antenna data mapping to a CPRI in the related art. As shown in fig. 1, in the data mapping process of the basic frame of the CPRI, firstly, antenna data are stored in different FIFOs according to antenna numbers, each antenna corresponds to one FIFO, when two FIFOs are simultaneously greater than or equal to a waterline, the two FIFOs are set to be readable, then, the antenna data are read out from the two FIFOs through indication information of the basic frame of the CPRI, and finally, the antenna data are mapped and filled to positions corresponding to the basic frame of the CPRI in a delayed beating mode.
However, in the data mapping process of the basic frame of the CPRI, since there may be time delay between the antenna data of different antennas, when the storage depth of the two FIFOs is greater than or equal to the waterline at the same time, the antenna data in the two FIFOs are directly read according to the indication information of the basic frame of the CPRI, which may cause the alignment of the time sequences between the antenna data of different antennas.
In order to solve the technical problems, embodiments of the present application provide a method, an apparatus, a device, and a storage medium for processing antenna data, where antenna data is stored in a corresponding first memory based on an antenna identifier and a modulation symbol identifier, and when antenna data stored in the first memory in the same group of memories reaches a data storage requirement, data mapping is performed. Because the data mapping is not directly carried out after the antenna data is acquired, but the process of storing and reading the antenna data in the second memory based on the modulation symbol identification is added before the data mapping, the time sequence problem caused by the time difference of different antennas can be eliminated, and the time sequence alignment of the antenna data is realized.
The following describes an application scenario of the antenna data processing method provided in the present application.
The antenna data processing method provided by the embodiment of the application can be applied to an application environment shown in fig. 2. A distributed base station system may include a Radio Equipment (RE) 101 and a Radio Equipment controller (Radio Equipment Contorl, REC) 102.RE101 communicates with REC 102. REC102 may process the antenna data and map the antenna data into basic frames of the common public radio interface to send the basic frames of the common public radio interface to RE101.
The REC102 may firstly obtain the antenna data, and secondly, the REC102 stores the antenna data into corresponding first memories according to the antenna identifier and the modulation symbol identifier corresponding to the antenna data, where each first memory corresponds to one antenna identifier and one group of modulation symbol identifiers, and the first memories corresponding to the same group of modulation symbol identifiers belong to the same memory group. Again, REC102 alternately reads antenna data from different memory banks according to the data storage amounts and modulation symbol identifications of the respective first memories in the same memory bank, and stores the read antenna data in the second memory. Finally, REC102 maps the antenna data in the second memory to the basic frame of the common public radio interface according to the frame header indication information corresponding to the basic frame of the common public radio interface.
In one embodiment, as shown in fig. 3, a method for processing antenna data is provided, which is described by taking an example that the method is applied to the wireless device controller in fig. 2, and includes S201-S204:
s201, acquiring antenna data.
In this application, the wireless device controller may first acquire antenna data, process the antenna data, and map it into basic frames of the common public radio interface (Common Public Radio Interface, CPRI).
The antenna data is data in a New Radio (NR) frame format.
It should be understood that the embodiment of the present application does not limit the above antenna data, and in some embodiments, the above antenna data may be from a plurality of different antennas, and may be antenna data corresponding to any modulation symbol in a New wireless (NR) frame format corresponding to any antenna.
Fig. 4 is a schematic diagram of a frame structure of 5G NR according to an embodiment of the present application, where, as shown in fig. 4, a frame structure of 5G NR (10 ms) corresponding to one antenna includes 10 subframes, each subframe includes 2 SLOTs, and each SLOT includes 14 modulation symbols (symbols). With continued reference to fig. 4, the first modulation symbol corresponds to antenna data having a data length of 4096+352, and the remaining thirteen modulation symbols correspond to antenna data having a data length of 4096+288, each of which is 32 bits, thereby determining that the data load of a frame structure of 10ms 5G NR is 10×2× [ (4096+352) +13× (4096+288) ]×32 bit= 39321600 bits.
It should be appreciated that the antenna data described above is for a basic frame mapped to a common public radio interface. Fig. 5 is a block diagram of a CPRI10 ms frame according to an embodiment of the present application, where, as shown in fig. 5, the CPRI10 ms frame includes 150 superframes (hyperframes), each superframe includes 256 basic frames (basic frames), and the time of each basic frame is 1/3.84m≡ 260.42ns, i.e., 1/3.84m×256×150=10 ms.
From this, it can be seen that the data load of one basic frame of the CPRI is 4×32×16 bit= 2048bit,10ms CPRI frame load is 150×256×2048bit= 78643200bit, and the load of a frame structure of 10ms 5G NR is 39321600bit, so that it can be determined that one 10ms frame of the CPRI can carry antenna data corresponding to 2 antennas.
S202, according to the antenna identification and the modulation symbol identification corresponding to the antenna data, the antenna data are stored in a corresponding first memory.
In this step, after the wireless device controller obtains the antenna data, the wireless device controller may store the antenna data in the corresponding first memory according to the antenna identifier and the modulation symbol identifier corresponding to the antenna data.
Each first memory corresponds to one antenna identifier and one group of modulation symbol identifiers, and the first memories corresponding to the same group of modulation symbol identifiers belong to the same memory group.
It should be understood that the type of the first memory in the embodiments of the present application is not limited, and in some embodiments, the first memory may be a first-in-first-out dual-port buffer (First Input First Output, FIFO), a random access memory (Random Access Memory, RAM), or the like.
It should be understood that the embodiments of the present application are not limited to the antenna identifier and the modulation symbol identifier, and in some embodiments, the antenna identifier may be an antenna number, and the modulation symbol identifier may be a modulation symbol number.
For example, if the wireless device controller obtains antenna data from antenna 0 and antenna 1, each antenna data may correspond to either antenna 0 or antenna 1. Meanwhile, the antenna data corresponding to each antenna may correspond to any one of a plurality of modulation symbols (symbol) 0 to symbol 13, etc., respectively. Subsequently, even numbered modulation symbols such as symbol0, symbol2, symbol4, etc. may be partitioned into a first set of modulation symbol identifiers, and odd numbered modulation symbols such as symbol1, symbol3, symbol5, etc. may be partitioned into a second set of modulation symbol identifiers. The first memory comprises four memories of FIFO0, FIFO1, FIFO2 and FIFO 3. FIFO0 may correspond to antenna 0 and the first set of modulation symbol identifications, respectively, FIFO1 may correspond to antenna 0 and the second set of modulation symbol identifications, respectively, FIFO2 may correspond to antenna 1 and the first set of modulation symbol identifications, respectively, and FIFO3 may correspond to antenna 1 and the second set of modulation symbol identifications, respectively.
In some embodiments, the first memory may be divided into a plurality of memory banks based on the modulation symbol identification. Illustratively, FIFO0 and FIFO2 each correspond to a first set of modulation symbol identifications, FIFO0 and FIFO2 may be divided into memory group a, FIFO1 and FIFO3 each correspond to a second set of modulation symbol identifications, and FIFO1 and FIFO3 may be divided into memory group B.
S203, according to the data storage amount of each first memory in the same memory group, simultaneously reading antenna data from each first memory in the same memory group, storing the antenna data into a second memory, and after all the first memories in the same memory group are read out, determining the next read memory group according to the modulation symbol identification.
In this step, after the wireless device controller stores the antenna data in the corresponding first memory, the wireless device controller may read the antenna data from each first memory of the same memory group at the same time according to the data storage amount of each first memory in the same memory group, store the antenna data in the second memory, and determine the next read memory group according to the modulation symbol identifier after reading all the first memories in the same memory group.
In some embodiments, if the data storage amounts of the first memories in the same memory group are all greater than or equal to the storage amount threshold, then simultaneously reading the antenna data in the first memories in the same memory group and storing the antenna data in the second memory until all the first memories in the same memory group are read empty.
It should be appreciated that the modulation symbol identification corresponding to the above-described memory bank may be used to determine the reading order, and thus the memory bank that needs to be read subsequently. For example, if FIFO0 and FIFO2 each correspond to a first set of modulation symbol identifications, FIFO0 and FIFO2 may be memory set a, and FIFO1 and FIFO3 each correspond to a second set of modulation symbol identifications, FIFO1 and FIFO3 being divided into memory sets. By determining the current read memory bank as memory bank a based on the modulation symbol identification, the next read memory bank may be determined to be memory bank B. After determining that the currently read memory bank is memory bank B, it may be determined that the next read memory bank is memory bank a, thereby implementing alternating reading back and forth between memory bank a and memory bank B.
If there are a plurality of memory banks, for example, memory bank a, memory bank B, and memory bank C, the order of reading between the three memory banks is set, for example, memory bank B is read after memory bank a, memory bank C is read after memory bank B, and memory bank a is read after memory bank C. Correspondingly, the last read memory can be determined by the modulation symbol identification, and further the next read memory group can be determined according to the reading sequence.
It should be understood that the data storage amount may be a current storage depth of each first memory, and correspondingly, the storage amount threshold may be a watermark of the storage depth. The embodiments of the present application do not limit the storage threshold, and in some embodiments, the storage threshold may be 32 beats, 64 beats, or the like. Illustratively, the above memory threshold may be equal to the total amount of data contained in one CPRI basic frame, i.e., 32 beats, to facilitate alignment with the antenna signal.
Illustratively, FIFO0 and FIFO2 may be divided into memory group a, FIFO1 and FIFO3 may be divided into memory group B, and when antenna data is read, when a first memory in a currently read memory group is empty, a next read memory group may be determined according to a modulation symbol identifier corresponding to the currently read memory group. For example, if the next read memory bank is memory bank a, when the data storage amounts of FIFO0 and FIFO2 are both greater than or equal to the storage amount threshold, the antenna data in FIFO0 and FIFO2 may be started to be read until FIFO0 and FIFO2 are empty, thereby achieving time alignment of the two sets of antenna data in FIFO0 and FIFO 2. After FIFO0 and FIFO2 are empty, it may be determined that the next read memory bank is memory bank B, and then it may be determined whether the data storage amounts of FIFO1 and FIFO3 are both equal to or greater than the storage amount threshold. If the data storage amounts of the FIFO1 and the FIFO3 are larger than or equal to the storage threshold value, the antenna data in the FIFO1 and the FIFO3 are started to be read until the FIFO1 and the FIFO3 are empty, so that the time sequence alignment of the two groups of antenna data in the FIFO1 and the FIFO3 is realized. By the method, when all the first memories in the currently read memory group are empty, the next read memory group can be determined according to the modulation symbol identification corresponding to the currently read memory group, and when the data storage amount of each first memory in the next read memory group is greater than or equal to the storage amount threshold value, the antenna data in each first memory in the next read memory group are read at the same time, so that when mapping of basic frames of the common public wireless interface is carried out on different antenna data, self-alignment adjustment is continuously carried out according to the modulation symbol, and meanwhile continuous processing of the antenna data is not affected.
It should be understood that the embodiment of the present application does not limit how to store the read antenna data in the second memory, and in some embodiments, each first memory that is read simultaneously in the same memory bank may be stored in the second memory in turn. For example, if antenna data in FIFO0 and FIFO2 of memory group a are read simultaneously, the antenna data read in FIFO0 and FIFO2 may be alternately stored in the second memory.
The second memory may be a first-in first-out dual-port buffer (First Input First Output, FIFO), a random access memory (Random Access Memory, RAM), etc.
S204, according to the frame header indication information corresponding to the basic frame of the common public wireless interface, the antenna data in the second memory are mapped to the basic frame of the common public wireless interface.
In this step, when the wireless device controller reads the antenna data from each first memory of the same memory group according to the data storage amount of each first memory of the same memory group and stores the antenna data in the second memory, the antenna data in the second memory may be mapped to the basic frame of the common public wireless interface according to the frame header indication information corresponding to the basic frame of the common public wireless interface.
In some embodiments, the wireless device controller may map antenna data of a basic frame of the common public wireless interface according to frame header indication information corresponding to the basic frame of the common public wireless interface, and alternately store the mapped antenna data in a different third memory or a fourth memory, so that when frame header indication information corresponding to a basic frame of a next common public wireless interface is indicated, the mapped antenna data is alternately read from the third memory or the fourth memory.
The third memory and the fourth memory may be random access memory (RAM, random Access Memory), FIFO, or the like.
In some embodiments, the wireless device controller establishes a mapping relationship between the target antenna data and the basic frame of the common public wireless interface when receiving the first frame header indication information, and stores the target antenna data in the third memory or the fourth memory, where the mapping relationship is used to indicate a write address of the target antenna data in the basic frame of the common public wireless interface, and the target antenna data is the first frame header indication information and indicates the antenna data read from the second memory.
And when the second frame head indication information is received, the wireless device controller reads target antenna data from the third memory or the fourth memory, and writes the target antenna data in a basic frame of the common public wireless interface according to the mapping relation corresponding to the target antenna data.
The first frame head indication information and the second frame head indication information are frame head indication information corresponding to a basic frame of the common public wireless interface, and the second frame head indication information is next frame head indication information of the first frame head indication information.
It should be understood that, in the embodiments of the present application, how to complete the mapping of the antenna data based on the frame header indication information corresponding to the basic frame of the common public wireless interface is not limited, and in some embodiments, the frame header indication information corresponding to the basic frame of the common public wireless interface may indicate a writing position of the antenna data in the basic frame of the common public wireless interface, so that a mapping relationship between the antenna data and the basic frame of the common public wireless interface is established based on the writing position.
In some embodiments, there are different periods of antenna data mapping depending on different line rates, for example, 80 clocks (clk), 96clk, 192clk, etc. may be set. The time of the antenna data mapping may be, for example, the time of a basic frame of a common public radio interface, i.e., 80clk. Accordingly, after the antenna data is read from the second memory, the data mapping may be completed within 80clk and alternately stored in the third memory or the fourth memory.
It should be understood that in this application, after the mapping of the antenna data is completed, a ping-pong operation method may be adopted, and after the writing and reading of the third storage and the fourth storage, the antenna data is written into the basic frame of the common public wireless interface. Accordingly, the memory to be read and the memory to be written after receiving the frame header indication information may be determined based on the read state or the write state of the third memory or the fourth memory.
In some embodiments, the frame header indication information includes operation state information, where the operation state information is used to indicate that the third memory and the fourth memory are in a read state or a write state. The wireless device controller may determine a memory in a written state in the third memory or the fourth memory according to the operation state information in the first frame header indication information. Subsequently, the target antenna data is stored in the memory in the written state. Correspondingly, the wireless device controller may also determine the memory in the read state in the third memory or the fourth memory according to the working state information in the second frame header indication information, and then read the target antenna data in the memory in the read state.
It should be understood that, in the embodiments of the present application, the working state information in the frame header indication information is not limited, and in some embodiments, the working state of the third memory indicated by the same frame header indication information is different from the working state of the fourth memory, and the working states of the third memory indicated by the two frame header indication information that are adjacent in time sequence are different from each other, and the working states of the fourth memory indicated by the two frame header indication information that are adjacent in time sequence are also different from each other.
Illustratively, the third memory is RAM0 and the fourth memory is RAM1. If the working state information in the first frame head indicating information indicates that the RAM0 is in a writing state and the RAM1 is in a reading state, the working state information in the second frame head indicating information after the first frame head indicating information can indicate that the RAM0 is in the reading state and the RAM1 is in the writing state, correspondingly, the working state information in the third frame head indicating information after the second frame head indicating information can indicate that the RAM0 is in the writing state again and the RAM1 is in the reading state, and the working states of the RAM0 and the RAM1 can be alternately switched under different frame head indicating information from the person.
It should be understood that the embodiments of the present application also do not limit how to write the antenna data in the third memory or the fourth memory, and in some embodiments, the wireless device controller may determine the basic frame sequence number of the common public wireless interface corresponding to the antenna data based on the mapping relationship between the antenna data and the basic frame of the common public wireless interface, so that the basic frame sequence number of the common public wireless interface corresponding to the antenna data is used as a storage address, and the antenna data is stored in the third memory or the fourth memory. Accordingly, when the antenna data is read, the basic frame sequence number of the common public wireless interface corresponding to the antenna data may be used as a storage address, and the antenna data may be read from the third memory or the fourth memory.
Fig. 6 is a schematic diagram of data mapping of a basic frame of a CPRI in the related art, and as shown in fig. 6, if antenna data needs to be compressed, each antenna compression factor is placed at the 6 th clock position after the basic frame header of the CPRI. In the related art, after the antenna data in the second memory is read, the compression and mapping of each antenna data must be completed within 6 clocks, which results in a relatively tight time sequence and relatively complex modification of different antenna data maps.
Fig. 7 is a schematic diagram of data mapping of a basic frame of a CPRI according to an embodiment of the present application, as shown in fig. 7, in the processing method of antenna data according to an embodiment of the present application, after antenna data is read in the second memory, data mapping is completed within 80 clock ranges, and the data mapping is alternately stored in the third memory or the fourth memory with a basic frame serial number as an address, and when frame header indication information corresponding to a basic frame of a next common public radio interface is used, data is alternately read from the third memory or the fourth memory with a basic frame serial number as an address, and the antenna data is written into the CPRI basic frame.
As can be seen from fig. 6 and fig. 7, after the antenna data is mapped, the antenna data is stored in the third memory or the fourth memory, and then the antenna data is read from the third memory or the fourth memory according to the frame header indication information corresponding to the basic frame of the next common public radio interface, and finally the antenna data is written into the CPRI basic frame. The processing time of one frame is increased due to the addition of the reading and writing processes in the third memory or the fourth memory, thereby alleviating the problem of time strain.
According to the antenna data processing method, firstly, antenna data is acquired, and the antenna data are data in a new wireless NR frame format. And secondly, according to the antenna identification and the modulation symbol identification corresponding to the antenna data, storing the antenna data into corresponding first memories, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identifications respectively, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group. And finally, according to the data storage amount of each first memory in the same memory group, simultaneously reading antenna data from each first memory in the same memory group, storing the antenna data into a second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group. And finally, according to frame header indication information corresponding to the basic frame of the common public wireless interface, mapping the antenna data in the second memory into the basic frame of the common public wireless interface. According to the antenna data processing method, the antenna data are stored in the corresponding first memories based on the antenna identification and the modulation symbol identification, and then the data mapping is carried out after the antenna data stored in the first memories in the same group of memories reach the data storage requirement. By storing and reading the antenna data according to the modulation symbol identification, the time sequence problem caused by time difference of different antennas can be eliminated, and the time sequence alignment of the antenna data is realized.
The following describes how antenna data is alternately read from different memory banks. Fig. 8 is another processing method of antenna data according to an embodiment of the present application, as shown in fig. 8, where the processing method of antenna data includes S401-S405:
s301, the acquired antenna data are data in a new wireless NR frame format.
S302, according to antenna identifications and modulation symbol identifications corresponding to the antenna data, storing the antenna data into corresponding first memories, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identifications, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group.
S303, if the data storage amount of each first memory in the first read memory group is larger than or equal to the storage amount threshold value, simultaneously reading the antenna data of each first memory in the first read memory group and storing the antenna data into the second memory.
The storage threshold value is equal to the total data amount contained in the basic frames of the N common public wireless interfaces, and N is an integer greater than or equal to 1.
It should be understood that the data storage amount may be a current storage depth of each first memory, and correspondingly, the storage amount threshold may be a watermark of the storage depth. The embodiments of the present application do not limit the storage threshold, and in some embodiments, the storage threshold may be 32 beats, 64 beats, or the like. Illustratively, the above memory threshold may be equal to the total amount of data contained in one CPRI basic frame, i.e., 32 beats, to facilitate alignment of the antenna signals.
In some embodiments, if the data storage amount of each first memory in the first read memory group is smaller than the storage amount threshold, each first memory in the first read memory group is not read, and the data storage amount of each first memory in the first read memory group is continuously monitored until the data storage amount of each first memory in the first read memory group is monitored to be equal to or greater than the storage amount threshold, and then reading each first memory in the next read memory group is started.
S304, if all the first memories in the first read memory group are empty, determining that the next read memory group is used for reading the antenna data according to the modulation symbol identification corresponding to the first read memory group.
It should be understood that, the next read memory bank, and the later read memory bank may also determine whether to start reading the antenna data through the memory threshold, which is not described herein in detail.
S305, according to the frame header indication information corresponding to the basic frame of the common public wireless interface, the antenna data in the second memory are mapped to the basic frame of the common public wireless interface.
The following describes how the antenna data in the second memory is mapped into basic frames of the common public radio interface. Fig. 9 is a schematic diagram of another method for processing antenna data according to an embodiment of the present application, where, as shown in fig. 9, the method for processing antenna data includes S401 to S405:
s401, the acquired antenna data is data in a new wireless NR frame format.
S402, according to the antenna identification and the modulation symbol identification corresponding to the antenna data, the antenna data are stored in the corresponding first memory.
Each first memory corresponds to one antenna identifier and one group of modulation symbol identifiers, and the first memories corresponding to the same group of modulation symbol identifiers belong to the same memory group.
S403, according to the data storage amount of each first memory in the same memory group, simultaneously reading antenna data from each first memory in the same memory group, storing the antenna data in a second memory, and after all the first memories in the same memory group are read out, determining the next read memory group according to the modulation symbol identification.
S404, when receiving the first frame head indication information, establishing a mapping relation between the target antenna data and the basic frame of the common public wireless interface, and storing the target antenna data into a third memory or a fourth memory.
The mapping relation is used for indicating the writing address of target antenna data in a basic frame of the common public wireless interface, wherein the target antenna data is the antenna data read from the second memory indicated by the first frame header indication information;
and S405, when receiving the second frame header indication information, reading target antenna data from a third memory or a fourth memory, and writing the target antenna data into a basic frame of the common public wireless interface according to a mapping relation corresponding to the target antenna data.
The first frame head indication information and the second frame head indication information are frame head indication information corresponding to a basic frame of the common public wireless interface, and the second frame head indication information is next frame head indication information of the first frame head indication information.
Wherein, the working state of the third memory indicated by the same frame header indication information is different from the working state of the fourth memory; the operation states of the third memories indicated by the two frame header indication information adjacent in time sequence are different, and the operation states of the fourth memories indicated by the two frame header indication information adjacent in time sequence are also different.
According to the antenna data processing method, firstly, the antenna data is acquired, and the antenna data is data in a new wireless NR frame format. And secondly, according to the antenna identification and the modulation symbol identification corresponding to the antenna data, storing the antenna data into corresponding first memories, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identifications respectively, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group. And finally, according to the data storage amount of each first memory in the same memory group, simultaneously reading antenna data from each first memory in the same memory group, storing the antenna data into a second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group. And finally, according to frame header indication information corresponding to the basic frame of the common public wireless interface, mapping the antenna data in the second memory into the basic frame of the common public wireless interface. According to the antenna data processing method, the antenna data are stored in the corresponding first memories based on the antenna identification and the modulation symbol identification, and then the data mapping is carried out after the antenna data stored in the first memories in the same group of memories reach the data storage requirement. By storing and reading the antenna data according to the modulation symbol identification, the time sequence problem caused by time difference of different antennas can be eliminated, and the time sequence alignment of the antenna data is realized.
It should be understood that, although the steps in the flowcharts related to the above embodiments are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the application also provides an antenna data processing device for implementing the above-mentioned antenna data processing method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiments of the processing device for one or more antenna data provided below may refer to the limitation of the processing method for antenna data hereinabove, and will not be described herein.
In one embodiment, as shown in fig. 10, there is provided an apparatus 500 for processing antenna data, including: an acquisition module 501, a pre-storage module 502, a reading module 503 and a mapping module 504, wherein:
the acquiring module 501 is configured to acquire antenna data, where the antenna data is data in a new wireless NR frame format.
The pre-storing module 502 is configured to store the antenna data into corresponding first memories according to an antenna identifier and a modulation symbol identifier corresponding to the antenna data, where each first memory corresponds to one antenna identifier and one group of modulation symbol identifiers, and the first memories corresponding to the same group of modulation symbol identifiers belong to the same memory group.
The reading module 503 is configured to simultaneously read antenna data from each first memory of the same memory bank according to the data storage amount of each first memory of the same memory bank, store the antenna data in the second memory, and determine a next read memory bank according to the modulation symbol identifier after reading all the first memories of the same memory bank.
And the mapping module 504 is configured to map the antenna data in the second memory to the basic frame of the common public wireless interface according to the frame header indication information corresponding to the basic frame of the common public wireless interface.
In one embodiment, the reading module 503 is specifically configured to, if the data storage amounts of the first memories in the same memory group are all greater than or equal to the storage amount threshold, read the antenna data in the first memories in the same memory group at the same time until all the first memories in the same memory group are read empty.
In one embodiment, the storage threshold is equal to a total amount of data contained in basic frames of N common public wireless interfaces, where N is an integer greater than or equal to 1.
In one embodiment, the mapping module 504 is specifically configured to, when receiving the first frame header indication information, establish a mapping relationship between the target antenna data and the basic frame of the common public wireless interface, and store the target antenna data in the third memory or the fourth memory, where the mapping relationship is used to indicate a write address of the target antenna data in the basic frame of the common public wireless interface, and the target antenna data is the first frame header indication information and indicates the antenna data read from the second memory; and when the second frame head indication information is received, reading target antenna data from a third memory or a fourth memory, and writing the target antenna data into a basic frame of the common public wireless interface according to a mapping relation corresponding to the target antenna data.
The first frame head indication information and the second frame head indication information are frame head indication information corresponding to a basic frame of the common public wireless interface, and the second frame head indication information is next frame head indication information of the first frame head indication information.
In one embodiment, the frame header indication information includes operation state information, where the operation state information is used to indicate that the third memory and the fourth memory are in a read state or a write state.
The mapping module 504 is specifically configured to determine, in the third memory or the fourth memory, a memory in a writing state according to the working state information in the first frame header indication information; the target antenna data is stored in a memory in a written state.
In one embodiment, the mapping module 504 is specifically configured to determine, in the third memory or the fourth memory, a memory in a read state according to the working state information in the second frame header indication information; the target antenna data is read in the memory in the read state.
In one embodiment, the working state of the third memory indicated by the same frame header indication information is different from the working state of the fourth memory; the operation states of the third memories indicated by the two frame header indication information adjacent in time sequence are different, and the operation states of the fourth memories indicated by the two frame header indication information adjacent in time sequence are also different.
The respective modules in the above-described antenna data processing apparatus may be implemented in whole or in part by software, hardware, or a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a computer device is provided, which may be a wireless device controller, the internal structure of which may be as shown in fig. 11. The computer device includes a processor, a memory, an input/output interface, a communication interface, a display unit, and an input means. The processor, the memory and the input/output interface are connected through a system bus, and the communication interface, the display unit and the input device are connected to the system bus through the input/output interface. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The input/output interface of the computer device is used to exchange information between the processor and the external device. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal. The computer program is executed by a processor to implement a method of processing antenna data.
It will be appreciated by those skilled in the art that the structure shown in fig. 11 is merely a block diagram of a portion of the structure associated with the present application and is not limiting of the computer device to which the present application applies, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, a computer device is provided, including a memory, and a processor, where the memory stores a computer program, and the processor implements the method for processing antenna data described above when executing the computer program.
In one embodiment, a computer readable storage medium is provided, on which a computer program is stored, which when executed by a processor implements the above-described antenna data processing method.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the various embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the various embodiments provided herein may include at least one of relational databases and non-relational databases. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, etc., without being limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not thereby to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.
Claims (10)
1. A method for processing antenna data, the method comprising:
acquiring antenna data, wherein the antenna data is data in a new wireless NR frame format;
according to the antenna identification and the modulation symbol identification corresponding to the antenna data, storing the antenna data into corresponding first memories, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identification respectively, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group;
According to the data storage amount of each first memory in the same memory group, simultaneously reading the antenna data from each first memory in the same memory group, storing the antenna data into a second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group;
and according to frame header indication information corresponding to the basic frame of the common public wireless interface, mapping the antenna data in the second memory into the basic frame of the common public wireless interface.
2. The method of claim 1, wherein simultaneously reading the antenna data from each first memory of the same memory bank and storing the antenna data in the second memory according to the data storage amount of each first memory of the same memory bank, comprises:
and if the data storage amount of each first memory in the same memory group is larger than or equal to the storage amount threshold value, simultaneously reading the antenna data in each first memory in the same memory group and storing the antenna data in the second memory until all the first memories in the same memory group are read out.
3. The method of claim 2, wherein the storage threshold is equal to a total amount of data contained in basic frames of N common public wireless interfaces, N being an integer greater than or equal to 1.
4. The method according to claim 1, wherein mapping the antenna data in the second memory into the basic frame of the common public radio interface according to the frame header indication information corresponding to the basic frame of the common public radio interface, comprises:
when first frame head indication information is received, a mapping relation between target antenna data and a basic frame of the common public wireless interface is established, the target antenna data is stored in a third memory or a fourth memory, the mapping relation is used for indicating a write address of the target antenna data in the basic frame of the common public wireless interface, and the target antenna data is the first frame head indication information and indicates the antenna data read from the second memory;
when receiving second frame head indication information, reading the target antenna data from the third memory or the fourth memory, and writing the target antenna data into a basic frame of the common public wireless interface according to a mapping relation corresponding to the target antenna data;
the first frame header indication information and the second frame header indication information are frame header indication information corresponding to a basic frame of the common public wireless interface, and the second frame header indication information is next frame header indication information of the first frame header indication information.
5. The method according to claim 4, wherein the frame header indication information includes operation state information, and the operation state information is used to indicate that the third memory and the fourth memory are in a read state or a write state;
the storing the target antenna data in the third memory or the fourth memory includes:
determining a memory in a writing state in the third memory or the fourth memory according to the working state information in the first frame header indication information;
and storing the target antenna data into the memory in the writing state.
6. The method of claim 5, wherein the reading the target antenna data from the third memory or fourth memory comprises:
determining a memory in a reading state in the third memory or the fourth memory according to the working state information in the second frame header indication information;
and reading the target antenna data in the memory in the reading state.
7. The method according to claim 5 or 6, wherein the operation state of the third memory indicated by the same frame header indication information is different from the operation state of the fourth memory; the operation states of the third memories indicated by the two frame header indication information adjacent in time sequence are different, and the operation states of the fourth memories indicated by the two frame header indication information adjacent in time sequence are also different.
8. An apparatus for processing antenna data, the apparatus comprising:
the acquisition module is used for acquiring antenna data, wherein the antenna data is data in a new wireless NR frame format;
the pre-storing module is used for storing the antenna data into corresponding first memories according to the antenna identifications and the modulation symbol identifications corresponding to the antenna data, wherein each first memory corresponds to one antenna identification and one group of modulation symbol identifications respectively, and the first memories corresponding to the same group of modulation symbol identifications belong to the same memory group;
the reading module is used for simultaneously reading the antenna data from each first memory of the same memory group according to the data storage amount of each first memory in the same memory group, storing the antenna data into the second memory, and determining the next read memory group according to the modulation symbol identification after reading all the first memories in the same memory group;
and the mapping module is used for mapping the antenna data in the second memory to the basic frame of the common public wireless interface according to the frame header indication information corresponding to the basic frame of the common public wireless interface.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 6 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 6.
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