Method for realizing service communication by automatically switching air interface rate and related product

Abstract

The invention provides a method for realizing service communication by automatically switching an air interface rate and a related product, which can be applied to the technical field of communication, and the method comprises the following steps: obtaining indication frame information sent by a transmitter; the indication frame information comprises at least one first code element sequence, and a one-to-one correspondence relationship exists between the first code element sequence and an air interface rate transmitted by the transmitter; analyzing the indication frame information based on a default air interface rate, and determining a first air interface rate corresponding to a first code element sequence in the indication frame information; and switching the default air interface rate to the first air interface rate, and receiving and analyzing service information sent by the transmitter based on the first air interface rate to realize service communication. Therefore, the one-to-one relationship between the code element sequence and the air interface rate is preset, and then the automatic switching of the air interface rate is realized through the indication frame information comprising the code element sequence, so that the rate matching accuracy of the transmitting and receiving terminal is improved.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a method for automatically switching air interface rates to achieve service communications and related products. Background Art

[0002] The signal-to-noise ratio (SNR) is an important indicator used to measure signal quality. It represents the ratio of the relative strength or power of the signal to the noise. Generally, the higher the SNR, the higher the communication quality of the communication system.

[0003] The Digital Mobile Radio (DMR) standard defines a modulation air interface rate of 9600 bps. In some industries, the amount of information transmitted is small, so a 9600 bps transmission rate is not necessary, but higher transmission reliability and security are required. Furthermore, under the same transmission conditions, the lower the air interface rate, the lower the signal-to-noise ratio required for the receiver. Therefore, how to automatically switch air interface rates for business communications has become a key concern.

[0004] Existing air interface rate switching methods generally use a 2-bit information bit in the data packet to represent different data rates, and then automatically switch the transmission rate based on this 2-bit information. However, this 2-bit information is susceptible to interference, which can lead to data rate mismatches between the transmitting and receiving terminals.

[0005] Therefore, how to improve the accuracy of rate matching between transmitting and receiving terminals is a problem that those skilled in the art urgently need to solve. Summary of the Invention

[0006] Based on the above problems, an embodiment of the present application provides a method and related products for automatically switching the air interface rate to achieve business communication, pre-setting a one-to-one relationship between the code element sequence and the air interface rate, and then realizing automatic switching of the air interface rate through the indication frame information including the code element sequence, thereby solving the problem of data rate mismatch of the transceiver terminal in the prior art.

[0007] In a first aspect, an embodiment of the present application provides a method for automatically switching an air interface rate to implement service communication, which is used for a receiver in a communication system, wherein the communication system also includes a transmitter; the method includes:

[0008] Acquire indication frame information sent by the transmitter, wherein the indication frame information includes at least one first code element sequence, and there is a one-to-one correspondence between the first code element sequence and the air interface rate transmitted by the transmitter;

[0009] parsing the indication frame information based on a default air interface rate, and determining a first air interface rate corresponding to a first symbol sequence in the indication frame information;

[0010] switching the default air interface rate to the first air interface rate, and receiving and analyzing the service information sent by the transmitter based on the first air interface rate to realize the service communication.

[0011] Optionally, the acquiring the indication frame information sent by the transmitter comprises:

[0012] receiving the indication frame information sent by the transmitter based on the default air interface rate; the receiver is consistent with the default air interface rate of the transmitter.

[0013] Optionally, the analyzing the indication frame information based on the default air interface rate and determining the first air interface rate corresponding to the first symbol sequence in the indication frame information comprises:

[0014] analyzing the indication frame information based on the default air interface rate and obtaining the first symbol sequence contained in the indication frame information;

[0015] based on the first symbol sequence, determining the air interface rate corresponding to the first symbol sequence from the matching relationship table of the receiver, and determining the air interface rate as the first air interface rate; wherein the air interface rates corresponding to the same symbol sequences in the matching relationship table of the receiver and the transmitter are the same.

[0016] Optionally, the method further comprises:

[0017] if there is an error code when analyzing the first symbol sequence, and the error code rate meets a preset threshold, then selecting a second air interface rate from the matching relationship table as the air interface rate for receiving and analyzing the service information; the second air interface rate is less than the first air interface rate;

[0018] re-negotiating with the transmitter based on the second air interface rate, so that the transmitter sends the service information based on the second air interface rate;

[0019] receiving and analyzing the service information sent by the transmitter based on the second air interface rate to realize the service communication.

[0020] In a second aspect, the embodiments of the present application further provide a method for automatically switching air interface rate to realize service communication, characterized by a transmitter in a communication system, wherein the communication system further comprises a receiver; the method comprises:

[0021] determining a first air interface rate of a to-be-sent service in response to user demand;

[0022] acquiring indication frame information corresponding to the first air interface rate based on the first air interface rate; wherein the indication frame information comprises at least one symbol sequence, and there is a one-to-one correspondence between the symbol sequence and the first air interface rate.

[0023] Sending the indication frame information to the receiver based on a default air interface rate;

[0024] The default air interface rate is switched to the first air interface rate, and the information of the service to be sent is sent to the receiver based on the first air interface rate, so that the receiver switches the air interface rate to the first air interface rate based on the indication frame information to realize service communication.

[0025] Optionally, the acquiring, based on the first air interface rate, indication frame information corresponding to the first air interface rate includes:

[0026] Acquire preset indication frame information corresponding to the first air interface rate, where the indication frame information is set according to preset framing content;

[0027] Alternatively, based on the matching relationship table, a first symbol sequence corresponding to the first air interface rate is determined, and the first symbol sequence is used to generate air interface rate indication frame information according to preset framing content.

[0028] In a third aspect, an embodiment of the present application provides a receiver, including:

[0029] memory for storing computer programs;

[0030] The processor is configured to implement the steps of the above-mentioned method of automatically switching the air interface rate to realize service communication when executing the computer program.

[0031] In a fourth aspect, an embodiment of the present application provides a transmitter, including:

[0032] memory for storing computer programs;

[0033] The processor is configured to implement the steps of the above-mentioned method of automatically switching the air interface rate to realize service communication when executing the computer program.

[0034] In a fifth aspect, an embodiment of the present application provides a communication system, comprising: the above-mentioned receiver and the above-mentioned transmitter.

[0035] It can be seen from the above technical solutions that compared with the existing technology, this application has the following advantages:

[0036] The application acquires the indication frame information sent by the transmitter at the receiver end. The indication frame information includes at least one first symbol sequence, and the first symbol sequence has one-to-one correspondence with the air interface rate sent by the transmitter. Then the indication frame information is parsed based on the default air interface rate, and the first air interface rate corresponding to the first symbol sequence in the indication frame information is determined. Finally, the default air interface rate is switched to the first air interface rate, and the service information sent by the transmitter is received and parsed based on the first air interface rate to realize service communication. In this way, the one-to-one relationship between the symbol sequence and the air interface rate is pre-set, and then the indication frame information including the symbol sequence is used to realize automatic switching of the air interface rate, thereby improving the accuracy of rate matching of the transceiver terminal. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 A flowchart of a method for automatically switching air interface rate at the receiver end to realize service communication provided by the embodiment of the application;

[0038] Figure 2 A schematic diagram of a matching relationship table provided by the embodiment of the application;

[0039] Figure 3 A schematic diagram of a symbol sequence provided by the embodiment of the application;

[0040] Figure 4 A schematic diagram of a time domain waveform and autocorrelation operation result waveform of a special symbol sequence provided by the embodiment of the application;

[0041] Figure 5 A flowchart of a method for automatically switching air interface rate at the transmitter end to realize service communication provided by the embodiment of the application;

[0042] Figure 6 A schematic diagram of a transmission burst frame information provided by the embodiment of the application;

[0043] Figure 7 A schematic diagram of a one-symbol sequence frame structure provided by the embodiment of the application;

[0044] Figure 8 A schematic diagram of a symbol sequence air interface rate indication frame grouping provided by the embodiment of the application. DETAILED DESCRIPTION

[0045] As described above, the existing air interface rate switching method has the problem of mismatching of the data rates of the transceiving terminals. Specifically, the existing air interface rate switching method generally uses 2-bit information in a data packet to represent different data rates, and then the transceiving terminals automatically switch the transmission rate based on the 2-bit information. However, the 2-bit information can only represent a limited number of air interface rate types, and the 2-bit information is easily affected by interference. If there is interference, it may cause errors in the 2-bit information, and further cause the problem of mismatching of the data rates of the transceiving terminals, and the problem of loss of data information.

[0046] To solve the above problem, the embodiment of the present application provides a method for automatically switching air interface rate to implement business communication, which comprises the following steps: first, obtaining the indication frame information transmitted by the transmitter. The indication frame information comprises at least one first symbol sequence, and the first symbol sequence has a one-to-one correspondence with the air interface rate transmitted by the transmitter. Then, parsing the indication frame information based on the default air interface rate, and determining the first air interface rate corresponding to the first symbol sequence in the indication frame information. Finally, switching the default air interface rate to the first air interface rate, and receiving and parsing the business information transmitted by the transmitter based on the first air interface rate, to implement business communication.

[0047] In this way, the one-to-one relationship between the symbol sequence and the air interface rate is set in advance, and then the indication frame information comprising the symbol sequence is used to automatically switch the air interface rate, thereby improving the accuracy of the rate matching of the transceiving terminals.

[0048] It should be noted that the method for automatically switching air interface rate to implement business communication and the related products provided by the embodiment of the present application can be applied to the field of communication technology. The above is only an example, and does not limit the application field of the method for automatically switching air interface rate to implement business communication and the related products provided by the embodiment of the present application.

[0049] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0050] Figure 1 The flowchart of the method for automatically switching air interface rate to implement business communication at the receiver end provided by the embodiment of the present application is shown in FIG. 1. In combination with FIG. 1, the method for automatically switching air interface rate to implement business communication at the receiver end provided by the embodiment of the present application can comprise the following steps: Figure 1

[0051] ​S101: obtaining indication frame information sent by the transmitter; the indication frame information comprises at least one first symbol sequence, and the first symbol sequence has one-to-one correspondence with the air interface rate transmitted by the transmitter.

[0052] In practical application, the air interface rate defined in the DMR standard is 9600bps. In some industries, the amount of information transmitted by signals is not large, and the transmission rate of 9600bps is not required, but higher transmission reliability and security are required. In addition, under the same conditions, the lower the air interface rate in the signal transmission process, the lower the requirement for the signal that the receiver can analyze to the signal-to-noise ratio. Therefore, it is required that the communication equipment can automatically switch the air interface rate to realize business communication. For business communication, taking a walkie-talkie as an example, there are two processes, one is the transmission process: when the microphone inputs the voice signal, the transmitter converts the voice signal into a high-frequency signal and transmits it through the antenna. In the transmission process, the transmitter modulates the voice signal to a certain frequency, so that it can be transmitted through the air; the second is the receiving process: the receiver receives the high-frequency signal transmitted by other walkie-talkies through the antenna, and restores it to the original voice signal. In the receiving process, the receiver needs to demodulate the received signal to restore it to the original voice signal. At the same time, in order to avoid interference, the walkie-talkie also needs to be tuned in frequency to ensure that the received signal is consistent with the frequency of the transmitted signal. The embodiment of the application pre-sets a one-to-one relationship between the symbol sequence and the air interface rate, and then realizes the automatic switching of the air interface rate through the indication frame information comprising the symbol sequence, thereby improving the accuracy of the rate matching of the transceiver terminal. Specifically, at the receiver end, the embodiment of the application first obtains the indication frame information sent by the transmitter. The indication frame information is used to indicate the air interface rate that the receiver needs to adjust, and is generated or pre-set by the transmitter based on the matching relationship table and comprises at least one first symbol sequence. It can be understood that the first symbol sequence is only used to indicate one of a plurality of symbol sequences, that is, the symbol sequence mentioned in the embodiment of the application comprises the first symbol sequence. Figure 2 A schematic diagram of a matching relationship table provided by the embodiment of the application is shown in FIG. 2. As shown in FIG. 2, the matching relationship table is pre-set with a plurality of symbol sequences and air interface rates, and the symbol sequence has one-to-one correspondence with the air interface rate. Figure 2 A schematic diagram of a symbol sequence provided by the embodiment of the application is shown in FIG. 3. As shown in FIG. 3, the symbol sequence comprises a plurality of bits, and each bit corresponds to a symbol. Figure 3 A schematic diagram of a symbol sequence provided by the embodiment of the application is shown in FIG. 3. As shown in FIG. 3, the symbol sequence comprises a plurality of bits, and each bit corresponds to a symbol. Figure 3As shown, the symbols of the symbol sequence are composed of symbols +3 and -3, the number of symbols +3 is equal to the number of symbols -3, and the symbol sequence has unique autocorrelation characteristics, and different symbol sequences will not be mutually misdetected as each other. It can be understood that different symbol sequences can represent different air interface rates, and theoretically, the maximum number of combinations of the corresponding matching relationship of m symbol sequences and air interface rates is m!, and in actual use, any one matching relationship table can be selected from the matching relationship table set according to the demand, so that the communication process has high security and is not easy to be monitored by a third party. In addition, Figure 4 A time domain waveform and autocorrelation operation result waveform of a special symbol sequence provided by an embodiment of the present application are shown in the figure. As shown in the figure, Figure 4 As shown, the left side is the time domain waveform, and the right side is the autocorrelation operation result waveform. As can be seen from the waveform, the symbol sequence composed of symbols +3 and -3 has strong anti-interference ability, can reduce the influence of transmission environment changes on air interface rate indication information, can avoid air interface rate information transmission errors as much as possible, and can improve the security and reliability of data transmission.

[0053] In addition, since the ways of obtaining the indication frame information transmitted by the transmitter are different, the embodiment of the present application can describe a possible obtaining method.

[0054] In one case, the indication frame information transmitted by the transmitter is obtained, including:

[0055] The receiver receives the indication frame information transmitted by the transmitter based on the default air interface rate. The receiver and the transmitter have the same default air interface rate.

[0056] In actual application, the modulated air interface rate defined in the DMR standard is 9600bps, that is, the default air interface rate of the receiver and the transmitter can be understood as 9600bps in general, and of course the user can also select other air interface rates stored in the matching relationship table as the default air interface rate of the receiver and the transmitter. Taking the default air interface rate of 9600bps as an example, the receiver obtains the indication frame information transmitted by the transmitter at the air interface rate of 9600bps.

[0057] S102: Analyzing the indication frame information based on the default air interface rate, and determining the first air interface rate corresponding to the first symbol sequence in the indication frame information.

[0058] In actual application, the process of data analysis by the receiver to realize service communication is divided into two analysis parts. One is to analyze the indication frame information and determine the air interface rate indicated by the indication frame information to be adjusted to; the other is to analyze the service information to realize service communication. For the receiver, any information needs to be received and analyzed by the default air interface rate, only when the air interface rate to be adjusted is analyzed, the air interface rate is switched, and the information is received and analyzed based on the switched air interface rate. Specifically, taking the default air interface rate of 9600bps as an example, the receiver acquires the indication frame information by the air interface rate of 9600bps, continues to analyze the indication frame information by the air interface rate of 9600bps, then analyzes the first symbol sequence contained in the indication frame information, and determines the first air interface rate corresponding to the first symbol sequence.

[0059] In addition, since the way to determine the first air interface rate is different, the embodiment of the present application can be described with respect to a possible determination way.

[0060] In one case, the indication frame information is analyzed based on the default air interface rate, and the first air interface rate corresponding to the first symbol sequence in the indication frame information is determined, comprising:

[0061] The indication frame information is analyzed based on the default air interface rate, and the first symbol sequence contained in the indication frame information is obtained.

[0062] Based on the first symbol sequence, the air interface rate corresponding to the first symbol sequence is determined from the matching relationship table of the receiver, and the air interface rate is determined as the first air interface rate; wherein the air interface rates corresponding to the same symbol sequences in the matching relationship tables of the receiver and the transmitter are the same.

[0063] In actual application, taking the default air interface rate of 9600bps as an example, after the receiver acquires the indication frame information by the air interface rate of 9600bps, the indication frame information is continued to be analyzed by the air interface rate of 9600bps, and the first symbol sequence contained in the indication frame information is obtained. Then based on the first symbol sequence, the same symbol sequence as the first symbol sequence is searched from the matching relationship table in the receiver. Since there is a one-to-one correspondence between the symbol sequences and the air interface rates in the matching relationship table, the corresponding air interface rate can be determined according to the same symbol sequence as the first symbol sequence searched, and the receiver will take the air interface rate as the first air interface rate corresponding to the first symbol sequence. It should be noted that the transmitter also has a matching relationship table, and the same symbol sequences in the matching relationship tables corresponding to the receiver and the transmitter correspond to the same air interface rates.

[0064] S103: switching the default air interface rate to the first air interface rate, and receiving and parsing the service information sent by the transmitter based on the first air interface rate to realize service communication.

[0065] In actual application, after the receiver determines the first air interface rate corresponding to the first symbol sequence in the indication frame information, it will immediately switch the default air interface rate currently used for receiving and parsing data to the first air interface rate, and then receive and parse the service information sent by the transmitter based on the first air interface rate, so as to realize service communication.

[0066] In addition, since the selection of air interface rate is different when there is error code, the embodiments of the present application can be described in terms of a possible selection method.

[0067] In one case, the method further comprises:

[0068] If there is error code when parsing the first symbol sequence, and the error code rate meets the preset threshold, then the second air interface rate is selected from the matching relationship table as the air interface rate for receiving and parsing the service information; the second air interface rate is less than the first air interface rate;

[0069] Re-negotiate with the transmitter based on the second air interface rate, so that the transmitter sends the service information based on the second air interface rate;

[0070] Receive and parse the service information sent by the transmitter based on the second air interface rate, and realize service communication.

[0071] In actual application, after receiving and analyzing the indication frame information, the receiver can detect the first symbol sequence obtained by the analysis and determine whether there is error code in the detected first symbol sequence. When there is error code and the error code rate meets the set threshold condition, i.e. the preset threshold, the receiver can adjust the air interface rate to a lower air interface rate than the air interface rate indicated by the transmitter, i.e. adjust the first air interface rate indicated by the transmitter to a second air interface rate with a lower rate, generate indication frame information corresponding to the second air interface rate and return to the transmitter, so that the transmitter communicates according to the newly agreed second air interface rate after detecting the information. It can be understood that under the same air interface rate, the higher the signal strength, the lower the error code rate; under the same signal strength, the lower the air interface rate, the lower the error code rate. Based on this theory, the error code rate can be set to 2.5%, and the signal with a signal strength of-122dBm is taken as an example. If the first air interface rate (4800bps) corresponds to an error code rate of 2.93%, which exceeds the preset threshold, the receiver can adjust the air interface rate to a second air interface rate (2400bps) lower than the first air interface rate indicated by the transmitter, wherein the second air interface rate corresponds to an error code rate of 0.96%, which is lower than 2.5%, and generate indication frame information corresponding to the second air interface rate and return to the transmitter, so that the transmitter communicates according to the newly agreed second air interface rate after detecting the information.

[0072] In summary, the indication frame information sent by the transmitter is obtained at the receiver end; the indication frame information includes at least one first symbol sequence, and there is a one-to-one correspondence between the first symbol sequence and the air interface rate of the transmitter; the indication frame information is analyzed based on the default air interface rate, and the first air interface rate corresponding to the first symbol sequence in the indication frame information is determined; the default air interface rate is switched to the first air interface rate, and the business information sent by the transmitter is received and analyzed based on the first air interface rate to realize business communication. In this way, the one-to-one relationship between the symbol sequence and the air interface rate is set in advance, and then the automatic switching of the air interface rate is realized through the indication frame information including the symbol sequence, thereby improving the accuracy of the rate matching of the transceiver terminal.

[0073] Based on the method for automatically switching the air interface rate at the receiver end to realize business communication provided in the above embodiment, the application further provides a flowchart of a method for automatically switching the air interface rate at the transmitter end to realize business communication. The method is described below in combination with the embodiments and the drawings.

[0074] Figure 5 The flowchart of the method for automatically switching the air interface rate at the transmitter end to realize business communication provided in the embodiments of the application. In combination with the above description of the method for automatically switching the air interface rate at the receiver end to realize business communication, the method for automatically switching the air interface rate at the transmitter end to realize business communication is described below. Figure 5As shown, the method for automatically switching air interface rate at the transmitter end to implement service communication provided by the embodiment of the present application can include the following steps.

[0075] S201: In response to the user demand, determine the first air interface rate of the to-be-sent service.

[0076] In actual application, at the transmitter end, the transmitter first responds to the user demand and determines the first air interface rate of the to-be-sent service corresponding to the demand. It should be noted that the prerequisite for the transmitter to determine the first air interface rate is to obtain the to-be-sent service, and the obtaining period of the to-be-sent service is generally different. For example, the service information corresponding to the voice service is not obtained by the transmitter end before the service is initiated, but the user voice is obtained as service information in real time during the service process.

[0077] In addition, since the ways of determining the first air interface rate of the to-be-sent service are different, the embodiment of the present application can describe a possible determination method.

[0078] In one case, the first air interface rate of the to-be-sent service is determined by the following steps.

[0079] Obtain the first instruction sent together with the service information by the user;

[0080] Parse the first instruction to determine the first air interface rate required when the service information indicated in the first instruction is used for service communication.

[0081] In actual application, the air interface rate at which the service information is used for service communication can be determined by the user. Specifically, the user can send an instruction for indicating the air interface rate at which the service information is used for service communication, i.e., the first instruction, together with the service information to the transmitter. The transmitter receives and parses the first instruction sent by the user, and then determines the first air interface rate required when the service information indicated in the first instruction is used for service communication. It should be noted that the service and the instruction can not be sent together, and the way of determining the first air interface rate of the to-be-sent service includes that the first instruction is preset in the transmitter in addition to the first instruction indicated by the user. It can be understood that the method of determining the first air interface rate of the to-be-sent service also includes that the first instruction is first read from the transmitter, and then the first instruction is parsed to determine the first air interface rate required when the service information indicated in the first instruction is used for service communication. S202: Based on the first air interface rate, obtain the indication frame information corresponding to the first air interface rate; wherein the indication frame information includes at least one symbol sequence, and there is a one-to-one correspondence between the symbol sequence and the first air interface rate.

[0082] In actual application, the indication frame information is used to indicate the air interface rate to which the receiver needs to adjust, and is generated by the transmitter based on the matching relationship table or preset to include at least one symbol sequence. Taking the case that the indication frame information is preset as an example, the transmitter does not need to confirm the symbol sequence after confirming the air interface rate, and then determines the indication frame information to be sent to the receiver based on the symbol sequence. In this case, the transmitter can directly obtain the corresponding indication frame information to be sent based on the first air interface rate. In addition, taking the case that the indication frame information is generated as an example, the same as the receiver, the matching relationship table in the transmitter is also preset with a plurality of symbol sequences and the first air interface rate, and the symbol sequence and the first air interface rate have a one-to-one correspondence. It can be understood that the first air interface rate is only used to indicate one of a plurality of air interface rates, that is, the air interface rate mentioned in the embodiment of the present application includes the first air interface rate. The transmitter can search the matching relationship table based on the first air interface rate to obtain the same air interface rate as the first air interface rate. Because the symbol sequence in the matching relationship table has a one-to-one correspondence with the air interface rate, the transmitter can determine the corresponding symbol sequence according to the same air interface rate as the first air interface rate obtained by searching, and generate the corresponding indication frame information based on the symbol sequence. S203: transmitting the indication frame information to the receiver based on the default air interface rate.

[0083] In actual application, Figure 6 A schematic diagram of transmitting burst frame information is provided in the embodiment of the present application. As shown in FIG. 2, Figure 6 Before transmitting the effective data frames ((frame 1)→(frame n)), that is, before transmitting the service information, the special frame information (frame 0) filled with the indication frame information (symbol sequence seq(m)) of the air interface rate required for service transmission, that is, the indication frame information, is transmitted. It can be understood that in order to transmit the information that the first air interface rate is used for service communication of the service information to the receiver, the receiver is switched to the air interface rate. The transmitter in the embodiment of the present application needs to generate the indication frame information, and transmit the indication frame information to the receiver at the default air interface rate to indicate the air interface rate to which the receiver needs to adjust.

[0084] In addition, because the ways of generating the indication frame information are different, the embodiment of the present application can be described with respect to one possible generation way.

[0085] In one case, the obtaining of the indication frame information corresponding to the first air interface rate based on the first air interface rate includes:

[0086] The preset indication frame information corresponding to the first air interface rate is obtained, and the indication frame information is set according to the preset framing content;

[0087] Alternatively, based on the matching relationship table, a first symbol sequence corresponding to the first air interface rate is determined, and the first symbol sequence is used to generate air interface rate indication frame information according to preset framing content.

[0088] In practical applications, in combination with the above, the indication frame information can be set according to the preset framing content or generated by the transmitter based on the matching relationship table. Figure 7 A schematic diagram of a primary symbol sequence frame structure provided in an embodiment of the present application. Figure 7 As shown, an indication frame information includes a primary symbol sequence. When the transmitter obtains the service information sent by the user and determines the first air interface rate required by the user for the service information and the first symbol sequence corresponding to the first air interface rate, if Figure 7 The frame structure shown is the preset framing content, the transmitter will follow Figure 7 The frame structure shown generates a frame of air interface rate indication frame data including the first code symbol sequence from the first code symbol sequence, and uses the frame of air interface rate indication frame data as the indication frame information corresponding to the first code symbol sequence. In addition, the preset framing content can be Figure 7 The primary symbol sequence frame structure shown includes a primary symbol sequence, and may also be a multiple symbol sequence frame structure including multiple symbol sequences or a full symbol sequence frame structure consisting entirely of symbols. The specific structure can be selected by the user. Specifically, taking the multiple symbol sequence frame structure including multiple symbol sequences as an example, Figure 8 A schematic diagram of a code element sequence air interface rate indication frame provided in an embodiment of the present application. Figure 8 Shown and Figure 3 As shown, if the first air interface rate is 2400bps, the transmitter can frame the code element sequence corresponding to 2400bps multiple times in a hexadecimal sequence to form indication frame information corresponding to the first air interface rate and send it to the receiver.

[0089] In one embodiment, according to the preset framing rule, the indicator frame may be filled with the entire symbol sequence. For example, if the indicator frame information is 264 bits in total, 5 symbol sequences (48 bits) are filled in the indicator frame, and the remaining 6 bits are not filled with data.

[0090] S204: Switch the default air interface rate to the first air interface rate, and send the information of the to-be-sent service to the receiver based on the first air interface rate, so that the receiver switches the air interface rate to the first air interface rate based on the indication frame information to realize service communication.

[0091] In actual application, after the transmitter sends the indication frame information, the default air interface rate is switched to the first air interface rate immediately, and the service information is continuously sent to the receiver at the first air interface rate, so that the receiver automatically switches the air interface rate based on the indication frame information, and then receives and analyzes the service information according to the switched air interface rate, thereby realizing the service communication. It should be noted that the transmitted indication frame information can be more than one frame, and the transmitter can also send multiple indication frame information.

[0092] In summary, at the transmitting end, the first air interface rate of the to-be-sent service is determined first in response to the user demand. Then, the indication frame information corresponding to the first air interface rate is obtained based on the first air interface rate; wherein the indication frame information includes at least one symbol sequence, and the symbol sequence and the first air interface rate have a one-to-one correspondence relationship, and the indication frame information is sent to the receiver based on the default air interface rate. Finally, the default air interface rate is switched to the first air interface rate, and the information of the to-be-sent service is sent to the receiver based on the first air interface rate, so that the receiver switches the air interface rate to the first air interface rate based on the indication frame information to realize the service communication. In this way, the one-to-one relationship between the symbol sequence and the air interface rate is pre-set, the unique autocorrelation characteristics and the low false detection rate characteristics of the symbol sequence are utilized, the automatic switching of the air interface rate is realized through the indication frame information including the symbol sequence, and the accuracy of the rate matching of the transceiver terminal is improved.

[0093] In addition, the embodiment of the present application also provides a receiver, which comprises a memory for storing a computer program, and a processor for executing the computer program to realize the steps of the method for automatically switching the air interface rate to realize the service communication.

[0094] In addition, the embodiment of the present application also provides a transmitter, which comprises a memory for storing a computer program, and a processor for executing the computer program to realize the steps of the method for automatically switching the air interface rate to realize the service communication.

[0095] In addition, the application further provides a communication system, comprising the receiver and the transmitter. When the communication system performs service communication, the transmitter first modulates and transmits 1 frame of air interface rate indication frame data according to preset framing content at a default air interface rate. After transmitting the air interface rate indication frame data, the transmitter automatically switches the air interface rate to the first air interface rate to frame and transmit service information. The receiver analyzes the received data at the default air interface rate, searches the matching relationship table according to the analyzed data to determine whether there is the same symbol sequence, and when there is, determines the first air interface rate corresponding to the first symbol sequence in the indication frame information according to the one-to-one correspondence between the symbol sequence and the air interface rate in the matching relationship table. Then, the receiver automatically switches the air interface rate to the first air interface rate to receive and analyze the service information transmitted by the transmitter, and finally completes the related service. After the transmitter and the receiver end the service communication at the first air interface rate, the transmitter and the receiver both switch the current first air interface rate back to the default air interface rate, and thus complete the whole adaptive identification switching and service communication process.

[0096] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for automatically switching air interface rate to implement service communication, characterized in that, A method for a receiver in a communication system, the communication system further comprising a transmitter; the method comprising: acquiring indication frame information sent by the transmitter; the indication frame information comprising at least one first symbol sequence, and the first symbol sequence and an air interface rate transmitted by the transmitter having a one-to-one correspondence; analyzing the indication frame information based on a default air interface rate, and determining a first air interface rate corresponding to the first symbol sequence in the indication frame information; switching the default air interface rate to the first air interface rate, and receiving and analyzing service information sent by the transmitter based on the first air interface rate, to realize service communication.

2. The method of claim 1, wherein, The acquiring indication frame information sent by the transmitter comprises: receiving indication frame information sent by the transmitter based on a default air interface rate; the receiver being consistent with the default air interface rate of the transmitter.

3. The method of claim 1, wherein, The analyzing the indication frame information based on a default air interface rate, and determining a first air interface rate corresponding to the first symbol sequence in the indication frame information comprises: analyzing the indication frame information based on a default air interface rate, and obtaining the first symbol sequence contained in the indication frame information; based on the first symbol sequence, determining an air interface rate corresponding to the first symbol sequence from a matching relationship table of the receiver, and determining the air interface rate as the first air interface rate; wherein the air interface rates corresponding to the same symbol sequences in the matching relationship table of the receiver and the transmitter are the same.

4. The method of claim 3, wherein, The method further comprises: if there is an error code when analyzing the first symbol sequence, and the error code rate meets a preset threshold, then selecting a second air interface rate from the matching relationship table as an air interface rate for receiving and analyzing the service information; the second air interface rate being smaller than the first air interface rate; re-negotiating with the transmitter based on the second air interface rate, to make the transmitter send the service information based on the second air interface rate; receiving and analyzing the service information sent by the transmitter based on the second air interface rate, to realize service communication.

5. A method for automatically switching air interface rate to implement service communication, characterized in that, A method for a transmitter in a communication system, the communication system further comprising a receiver; the method comprising: determining a first air interface rate of to-be-sent service in response to user demand; acquiring indication frame information corresponding to the first air interface rate based on the first air interface rate; wherein the indication frame information comprises at least one symbol sequence, and the symbol sequence and the first air interface rate have a one-to-one correspondence; sending the indication frame information to the receiver based on a default air interface rate; switching the default air interface rate to the first air interface rate, and sending information of the to-be-sent service to the receiver based on the first air interface rate, to make the receiver switch the air interface rate to the first air interface rate based on the indication frame information to realize service communication.

6. The method of claim 5, wherein, The acquiring indication frame information corresponding to the first air interface rate based on the first air interface rate comprises: acquiring preset indication frame information corresponding to the first air interface rate, the indication frame information being set according to preset framing content; Or, based on the matching relationship table, a first symbol sequence corresponding to the first air interface rate is determined, and the first symbol sequence is generated according to preset frame content to generate air interface rate indication frame information.

7. A receiver, characterized by Comprising: a memory for storing a computer program; a processor for executing the computer program to implement the steps of the method for automatically switching air interface rates to implement service communication according to any one of claims 1 to 4.

8. A transmitter, characterized by Comprising: a memory for storing a computer program; a processor for executing the computer program to implement the steps of the method for automatically switching air interface rates to implement service communication according to any one of claims 5 to 6.

9. A communication system, characterized by Comprising: the receiver of claim 7 and the transmitter of claim 8.

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