CN111314924A - Information transmission method, near-end equipment, far-end equipment and communication system - Google Patents
Information transmission method, near-end equipment, far-end equipment and communication system Download PDFInfo
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- CN111314924A CN111314924A CN202010090720.7A CN202010090720A CN111314924A CN 111314924 A CN111314924 A CN 111314924A CN 202010090720 A CN202010090720 A CN 202010090720A CN 111314924 A CN111314924 A CN 111314924A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
- H04W16/225—Traffic simulation tools or models for indoor or short range network
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Abstract
The disclosure provides an information transmission method, a near-end device, a far-end device and a communication system. The near-end equipment carries out down-conversion processing on each branch signal in the MIMO signal so as to shift the frequency to a corresponding candidate frequency band with a preset width; judging whether all frequency resources in the ith candidate frequency band can be used, wherein i is more than or equal to 1 and less than or equal to N, and N is the total number of signal branches; if all frequency resources in the ith candidate frequency band can be used, taking the ith candidate frequency band as the ith transmission frequency band; if all frequency resources in the ith candidate frequency band cannot be used, taking sub-frequency bands capable of using all frequency resources in the ith candidate frequency band as the ith transmission frequency band; and sending the corresponding branch signals to the remote equipment by using the selected transmission frequency band. The present disclosure enables information transmission utilizing fragmented frequency resources.
Description
Technical Field
The present disclosure relates to the field of wireless communications, and in particular, to an information transmission method, a near-end device, a far-end device, and a communication system.
Background
Indoor distribution systems are an effective solution for improving the mobile communication environment in buildings. The indoor distribution system is used for uniformly distributing the signals of the mobile base station to each corner indoors, so that the indoor area is ensured to have ideal signal coverage.
In the related art of the indoor distribution system, a near-end device on the base station side transmits information to a far-end device through a single cable so as to transmit through the far-end device. In order to be able to transmit MIMO (Multiple-Input Multiple-Output) signals through a single cable between a near-end device and a far-end device, signals of the MIMO signals on each branch are shifted to different frequency bands, so that the transmission of the MIMO signals is realized through the single cable.
Disclosure of Invention
The inventor finds, through research, that in the process of shifting the frequency of the MIMO signal on each branch to a different frequency band, the selected frequency band may be occupied by other systems, and for a 5G signal, the frequency band required by the MIMO signal is wide (for example, 100MHz), so that it is difficult to obtain a whole continuous spectrum resource for transmission of the 5G signal.
Accordingly, the present disclosure provides a scheme for implementing information transmission using fragmented frequency resources.
According to a first aspect of the embodiments of the present disclosure, there is provided an information transmission method, including: performing down-conversion processing on each branch signal in the MIMO signal to shift the frequency to a corresponding candidate frequency band with a preset width; judging whether all frequency resources in the ith candidate frequency band can be used, wherein i is more than or equal to 1 and less than or equal to N, and N is the total number of signal branches; if all frequency resources in the ith candidate frequency band can be used, taking the ith candidate frequency band as the ith transmission frequency band; if all frequency resources in the ith candidate frequency band cannot be used, taking sub-frequency bands capable of using all frequency resources in the ith candidate frequency band as the ith transmission frequency band; and sending the corresponding branch signals to the remote equipment by using the selected transmission frequency band.
In some embodiments, the determining whether all frequency resources in the ith candidate band can be used includes: judging whether occupied frequency resources exist in the ith candidate frequency band or not; if the ith candidate frequency band does not have occupied frequency resources, judging that all frequency resources in the ith candidate frequency band can be used; and if the occupied frequency resources exist in the ith candidate frequency band, judging that all the frequency resources in the ith candidate frequency band cannot be used.
In some embodiments, the step of using the sub-bands capable of using all frequency resources in the ith candidate band as the ith transmission band comprises: dividing the ith candidate frequency band to delete the occupied sub-frequency bands in the ith candidate frequency band; and taking the rest sub-frequency bands in the ith candidate frequency band as corresponding transmission frequency bands.
According to a second aspect of embodiments of the present disclosure, there is provided a proximal device comprising: the frequency shift processing module is configured to perform down-conversion processing on each branch signal in the MIMO signal so as to shift the frequency to a corresponding candidate frequency band with a predetermined width; the identification module is configured to judge whether all frequency resources in the ith candidate frequency band can be used, wherein i is more than or equal to 1 and less than or equal to N, and N is the total number of signal branches; a frequency band selection module configured to take an ith candidate frequency band as an ith transmission frequency band if all frequency resources in the ith candidate frequency band can be used; if all frequency resources in the ith candidate frequency band cannot be used, taking sub-frequency bands capable of using all frequency resources in the ith candidate frequency band as the ith transmission frequency band; and the transmitting module is configured to transmit the corresponding branch signal to the far-end equipment by using the selected transmission frequency band.
In some embodiments, the identification module is configured to determine whether there are occupied frequency resources in the ith candidate frequency band, and if there are no occupied frequency resources in the ith candidate frequency band, determine that all frequency resources in the ith candidate frequency band can be used; and if the occupied frequency resources exist in the ith candidate frequency band, judging that all the frequency resources in the ith candidate frequency band cannot be used.
In some embodiments, the frequency band selection module is configured to divide the ith candidate frequency band to delete occupied sub-frequency bands in the ith candidate frequency band, and use remaining sub-frequency bands in the ith candidate frequency band as corresponding transmission frequency bands.
According to a third aspect of embodiments of the present disclosure, there is provided a proximal device comprising: a memory configured to store instructions; a processor coupled to the memory, the processor configured to perform a method implementing any of the embodiments described above based on instructions stored by the memory.
According to a fourth aspect of the embodiments of the present disclosure, there is provided an information transmission method, including: determining a transmission frequency band used by each branch signal; extracting corresponding data segments from each transmission frequency band; judging whether the ith transmission frequency band is a single frequency band, wherein i is more than or equal to 1 and less than or equal to N, and N is the total number of the signals; if the ith transmission frequency band is a single frequency band, performing up-conversion processing on the corresponding data band to obtain an ith branch transmission signal; if the ith transmission frequency band is not a single frequency band, merging the data segments corresponding to the sub-frequency bands in the ith transmission frequency band, and performing up-conversion processing on the merged data segments to obtain an ith branch transmission signal; and generating MIMO signals according to the obtained transmission signals.
In some embodiments, the combining the data segments corresponding to the sub-bands in the ith transmission band includes: carrying out down-conversion processing on data segments corresponding to all sub-frequency bands in the ith transmission frequency band to obtain corresponding information to be merged; and merging the information to be merged to obtain a merged data segment.
According to a fifth aspect of embodiments of the present disclosure, there is provided a remote device, including: a frequency band identification module configured to determine a transmission frequency band used by each branch signal; an information extraction module configured to extract a corresponding data segment from each transmission frequency band; the detection module is configured to judge whether the ith transmission frequency band is a single frequency band, i is more than or equal to 1 and less than or equal to N, and N is the total number of the signals; the frequency conversion processing module is configured to perform up-conversion processing on the corresponding data segment to obtain an ith branch transmission signal if the ith transmission frequency band is a single frequency band; if the ith transmission frequency band is not a single frequency band, merging the data segments corresponding to the sub-frequency bands in the ith transmission frequency band, and performing up-conversion processing on the merged data segments to obtain an ith branch transmission signal; and the information generation module is configured to generate the MIMO signal according to the obtained transmission signals.
In some embodiments, the frequency conversion processing module is configured to perform down-conversion processing on data segments corresponding to each sub-band in the ith transmission band to obtain corresponding information to be combined, and combine the information to be combined to obtain a combined data segment.
According to a sixth aspect of embodiments of the present disclosure, there is provided a remote device, comprising: a memory configured to store instructions; a processor coupled to the memory, the processor configured to perform an implementation of the method as recited in any of the above based on instructions stored by the memory.
According to a seventh aspect of the embodiments of the present disclosure, there is provided a communication system including: a proximal device as in any of the embodiments above; a remote device as in any of the embodiments above; wherein the proximal device is electrically connected to the distal device by a single cable.
According to an eighth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the computer instructions, when executed by a processor, implement the method according to any of the embodiments described above.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
fig. 1 is a flow diagram of an information transmission method according to one embodiment of the present disclosure;
FIG. 2 is a schematic frequency shift diagram according to one embodiment of the present disclosure;
FIG. 3 is a schematic diagram of frequency band division according to one embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a proximal device according to one embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a proximal device according to another embodiment of the present disclosure;
fig. 6 is a flow chart diagram of an information transmission method according to another embodiment of the present disclosure;
FIG. 7 is a schematic diagram of frequency band division and merging according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural diagram of a remote device according to one embodiment of the present disclosure;
FIG. 9 is a schematic structural diagram of a remote device according to another embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of a communication system according to one embodiment of the present disclosure.
It should be understood that the dimensions of the various parts shown in the figures are not drawn to scale. Further, the same or similar reference numerals denote the same or similar components.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials and values set forth in these embodiments are to be construed as illustrative only and not as limiting unless otherwise specifically stated.
The use of the word "comprising" or "comprises" and the like in this disclosure means that the elements listed before the word encompass the elements listed after the word and do not exclude the possibility that other elements may also be encompassed.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
Fig. 1 is a flow chart diagram of an information transmission method according to one embodiment of the present disclosure. In some embodiments, the following information transmission method steps are performed by the near-end device.
In step 101, each branch signal in the MIMO signal is down-converted to shift to a corresponding candidate frequency band with a predetermined width.
For example, the MIMO signal includes 2 signals, each of which is down-converted to two different 100MHz frequency bands by a frequency shift process.
In step 102, it is determined whether all frequency resources in the ith candidate band can be used. Wherein i is 1. I is more than or equal to 1 and less than or equal to N, and N is the total number of signal branches.
If all frequency resources in the ith candidate frequency band can be used, executing step 103; if all frequency resources in the ith candidate band cannot be used, step 104 is executed.
In some embodiments, it is determined whether there are occupied frequency resources in the ith candidate band. If the ith candidate frequency band has no occupied frequency resources, all frequency resources in the ith candidate frequency band are determined to be available. And if the occupied frequency resources exist in the ith candidate frequency band, judging that all the frequency resources in the ith candidate frequency band cannot be used.
Fig. 2 is a schematic frequency shift diagram according to one embodiment of the present disclosure.
As shown in fig. 2, the MIMO signal includes 2 signals, and the first signal is down-converted into one 100MHz band 21 and the second signal is down-converted into another 100MHz band 22 through frequency shift processing. Since there are no occupied frequency resources in the band 21, it is judged that all the frequency resources in the band 21 can be used. For the frequency band 22, since a part of the frequency resources are occupied by the frequency band 23 used by other existing mobile communication systems, it is determined that all the frequency resources in the frequency band 22 cannot be used, i.e. only a part of the frequency resources in the frequency band 22 can be used.
Returning to fig. 1. In step 103, the ith candidate band is taken as the ith transmission band. Step 105 is then performed.
In step 104, the sub-bands capable of using all frequency resources in the ith candidate band are used together as the ith transmission band.
In one embodiment, the occupied sub-bands in the ith candidate band are deleted by dividing the ith candidate band, and the remaining sub-bands in the ith candidate band are used as the corresponding transmission bands.
Fig. 3 is a schematic diagram of frequency band division according to an embodiment of the present disclosure.
As can be seen from fig. 2, a part of the frequency resources in the frequency band 22 is occupied by the frequency band 23 used by other existing mobile communication systems, but a part of the frequency resources is unoccupied. In this case, the frequency band 22 is divided into three parts, i.e., a sub-band 221, a sub-band 222, and a sub-band 223. Where the sub-band 222 is already occupied by other systems and the sub-bands 221 and 223 are not occupied by other systems, the sub-bands 221 and 223 may be used for information transmission.
Returning to fig. 1. In step 105, i is set to i + 1.
In step 106, it is determined whether i is equal to the total number of signal branches N.
If i is less than N, repeating step 102; if i is equal to N, step 107 is executed.
In step 107, the corresponding branch signal is transmitted to the remote device by using the selected transmission frequency band.
In some embodiments, the transmission frequency band indication information is sent to the remote device, so that the remote device can know the frequency band used in the information transmission process, and then recover the transmitted MIMO signal through the used frequency band.
Fig. 4 is a schematic structural diagram of a proximal device according to one embodiment of the present disclosure. As shown in fig. 4, the near-end device includes a frequency shift processing module 41, an identification module 42, a frequency band selection module 43, and a transmission module 44.
The frequency shift processing module 41 is configured to down-convert each branch signal in the MIMO signal to shift the frequency to a corresponding candidate frequency band with a predetermined width.
The identification module 42 is configured to determine whether all frequency resources in the ith candidate band can be used, where i is greater than or equal to 1 and less than or equal to N, where N is the total number of signal branches.
In some embodiments, the identification module 42 is configured to determine whether there are occupied frequency resources in the ith candidate band, and if there are no occupied frequency resources in the ith candidate band, determine that all frequency resources in the ith candidate band can be used; and if the occupied frequency resources exist in the ith candidate frequency band, judging that all the frequency resources in the ith candidate frequency band cannot be used.
The frequency band selection module 43 is configured to take the ith candidate frequency band as the ith transmission frequency band if all frequency resources in the ith candidate frequency band can be used; and if all frequency resources in the ith candidate frequency band cannot be used, taking the sub-frequency bands which can use all frequency resources in the ith candidate frequency band as the ith transmission frequency band.
In some embodiments, the frequency band selection module 43 is configured to divide the ith candidate frequency band to delete occupied sub-bands in the ith candidate frequency band, and use the remaining sub-bands in the ith candidate frequency band as corresponding transmission frequency bands.
The transmitting module 44 is configured to transmit the corresponding branch signal to the remote device using the selected transmission frequency band.
In some embodiments, the sending module 44 is configured to send the transmission frequency band indication information to the remote device, so that the remote device can know the frequency band used in the information transmission process.
Fig. 5 is a schematic structural diagram of a proximal device according to another embodiment of the present disclosure. As shown in fig. 5, the near-end device includes a memory 51 and a processor 52.
The memory 51 is used to store instructions. The processor 52 is coupled to the memory 51. The processor 52 is configured to perform a method as referred to in any of the embodiments of fig. 1 based on the instructions stored in the memory.
As shown in fig. 5, the near-end device further includes a communication interface 53 for information interaction with other devices. Meanwhile, the near-end device further comprises a bus 54, and the processor 52, the communication interface 53 and the memory 51 are communicated with each other through the bus 54.
The Memory 51 may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM). Such as at least one disk storage. The memory 51 may also be a memory array. The storage 51 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.
Further, the processor 52 may be a central processing unit, or may be an ASIC (Application specific integrated Circuit), or one or more integrated circuits configured to implement embodiments of the present disclosure.
The present disclosure also provides a computer-readable storage medium. The computer-readable storage medium stores computer instructions, and the instructions, when executed by the processor, implement the method according to any one of the embodiments in fig. 1.
Fig. 6 is a flowchart illustrating an information transmission method according to another embodiment of the present disclosure. In some embodiments, the following information transfer method steps are performed by a remote device.
In step 601, the transmission frequency band used by each branch signal is determined.
In some embodiments, the transmission frequency band used by each branch signal may be known and determined according to preset information, or may be determined according to transmission frequency band indication information sent by the near-end device.
In step 602, a corresponding data segment is extracted from each transmission frequency segment.
In step 603, it is determined whether the ith transmission band is a single band, where i is 1.
If the ith transmission band is a single band, go to step 604; if the ith transmission band is not a single band, go to step 605.
In step 604, the corresponding data segment is up-converted to obtain the ith branch transmission signal.
In step 605, the data segments corresponding to the sub-bands in the ith transmission band are combined, and the combined data segments are up-converted to obtain the ith branch transmission signal.
In some embodiments, the data segments corresponding to the sub-bands in the ith transmission band are down-converted to obtain corresponding information to be merged. And merging the information to be merged to obtain a merged data segment. Here, the down-conversion process can further reduce the operating frequency and reduce the interference on each data segment during the merging.
In step 606, i is set to i + 1.
In step 607, it is determined whether i is equal to the total number of signal branches N.
If i is less than N, repeatedly executing the step 603; if i is equal to N, step 608 is executed.
In step 608, a MIMO signal is generated according to the obtained transmission signals.
Fig. 7 is a schematic diagram of frequency band division and combination according to an embodiment of the present disclosure.
As shown in fig. 7, the MIMO signal includes 2 signals, the first signal 71 is down-converted into one 100MHz band 73 by frequency shift processing, and the second signal 72 is down-converted into another 100MHz band 74. Since there are no occupied frequency resources in the frequency band 73, the first signal 71 can be transmitted by using the frequency band 73. For the frequency band 74, since a part of the frequency resources are occupied by the frequency band 70 used by other existing mobile communication systems, the frequency band 74 is divided. Since the divided sub-bands 741 and 742 are not occupied by other existing mobile communication systems, the sub-bands 741 and 742 can be used to transmit the second signal 72.
The near-end device transmits 2 channels of signals in the MIMO signals to the far-end device through the frequency band 73, the sub-frequency band 741 and the sub-frequency band 742 through a single cable. Since the frequency band for transmitting the first signal 71 is the frequency band 73, data carried by the frequency band 73 can be directly up-converted to obtain the first signal 71 in the MIMO signal. In contrast, the frequency bands for transmitting the second path of signal 72 are the sub-frequency bands 741 and 742. Therefore, the second path of signal 72 in the MIMO signal is obtained by combining the sub-band 741 and the sub-band 742, and performing up-conversion on the data carried by the combined whole frequency band.
Fig. 8 is a schematic structural diagram of a remote device according to one embodiment of the present disclosure. As shown in fig. 8, the remote device includes a frequency band identification module 81, an information extraction module 82, a detection module 83, a frequency conversion processing module 84, and an information generation module 85.
The frequency band identification module 81 is configured to determine a transmission frequency band used by each branch signal according to the transmission frequency band indication information sent by the near-end device.
The information extraction module 82 is configured to extract respective data segments from each transmission frequency band.
The detection module 83 is configured to determine whether the ith transmission frequency band is a single frequency band, i is greater than or equal to 1 and less than or equal to N, and N is the total number of signal paths.
The frequency conversion processing module 84 is configured to perform up-conversion processing on the corresponding data segment to obtain an ith branch transmission signal if the ith transmission frequency band is a single frequency band; if the ith transmission frequency band is not a single frequency band, merging the data segments corresponding to the sub-frequency bands in the ith transmission frequency band, and performing up-conversion processing on the merged data segments to obtain an ith branch transmission signal.
In some embodiments, the frequency conversion processing module 84 is configured to down-convert the data segments corresponding to the sub-bands in the ith transmission band to obtain corresponding information to be combined, and combine the information to be combined to obtain a combined data segment.
The information generating module 85 is configured to generate MIMO signals according to the obtained transmission signals.
Fig. 9 is a schematic structural diagram of a remote device according to another embodiment of the present disclosure. As shown in fig. 9, the remote device includes a memory 91, a processor 92, a communication interface 93, and a bus 94. Fig. 9 differs from fig. 5 in that, in the remote device shown in fig. 9, the processor 92 is configured to implement the method according to any of the embodiments in fig. 6 based on instructions stored in the memory.
The present disclosure also provides a computer-readable storage medium. The computer-readable storage medium stores computer instructions, and the instructions, when executed by the processor, implement the method according to any one of the embodiments in fig. 6.
Fig. 10 is a schematic structural diagram of a communication system according to one embodiment of the present disclosure.
As shown in fig. 10, the communication system includes a near-end device 1001 and a far-end device 1002. A proximal device 1001 and a distal device 1002. The proximal device 1001 is electrically connected to the distal device 1002 by a single cable 1003. The proximal device 1001 is the proximal device according to any of the embodiments of fig. 4 or 5. The remote device 1002 is the remote device according to any one of the embodiments of fig. 8 or fig. 9.
In some embodiments, the functional modules may be implemented as a general purpose Processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or other Programmable Logic device, discrete Gate or transistor Logic device, discrete hardware components, or any suitable combination thereof for performing the functions described in this disclosure.
So far, embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (14)
1. An information transmission method, comprising:
performing down-conversion processing on each branch signal in the MIMO signal to shift the frequency to a corresponding candidate frequency band with a preset width;
judging whether all frequency resources in the ith candidate frequency band can be used, wherein i is more than or equal to 1 and less than or equal to N, and N is the total number of signal branches;
if all frequency resources in the ith candidate frequency band can be used, taking the ith candidate frequency band as the ith transmission frequency band;
if all frequency resources in the ith candidate frequency band cannot be used, taking sub-frequency bands capable of using all frequency resources in the ith candidate frequency band as the ith transmission frequency band;
and sending the corresponding branch signals to the remote equipment by using the selected transmission frequency band.
2. The method of claim 1, wherein determining whether all frequency resources in the ith candidate band can be used comprises:
judging whether occupied frequency resources exist in the ith candidate frequency band or not;
if the ith candidate frequency band does not have occupied frequency resources, judging that all frequency resources in the ith candidate frequency band can be used;
and if the occupied frequency resources exist in the ith candidate frequency band, judging that all the frequency resources in the ith candidate frequency band cannot be used.
3. The method of claim 2, wherein the step of using the sub-bands capable of using all frequency resources in the ith candidate band as the ith transmission band comprises:
dividing the ith candidate frequency band to delete the occupied sub-frequency bands in the ith candidate frequency band;
and taking the rest sub-frequency bands in the ith candidate frequency band as corresponding transmission frequency bands.
4. A proximal device comprising:
the frequency shift processing module is configured to perform down-conversion processing on each branch signal in the MIMO signal so as to shift the frequency to a corresponding candidate frequency band with a predetermined width;
the identification module is configured to judge whether all frequency resources in the ith candidate frequency band can be used, wherein i is more than or equal to 1 and less than or equal to N, and N is the total number of signal branches;
a frequency band selection module configured to take an ith candidate frequency band as an ith transmission frequency band if all frequency resources in the ith candidate frequency band can be used; if all frequency resources in the ith candidate frequency band cannot be used, taking sub-frequency bands capable of using all frequency resources in the ith candidate frequency band as the ith transmission frequency band;
and the transmitting module is configured to transmit the corresponding branch signal to the far-end equipment by using the selected transmission frequency band.
5. The proximal device of claim 4,
the identification module is configured to determine whether occupied frequency resources exist in the ith candidate frequency band, and if the occupied frequency resources do not exist in the ith candidate frequency band, determine that all frequency resources in the ith candidate frequency band can be used; and if the occupied frequency resources exist in the ith candidate frequency band, judging that all the frequency resources in the ith candidate frequency band cannot be used.
6. The proximal device of claim 5,
the frequency band selection module is configured to divide the ith candidate frequency band to delete occupied sub-frequency bands in the ith candidate frequency band, and use the remaining sub-frequency bands in the ith candidate frequency band as corresponding transmission frequency bands.
7. A proximal device comprising:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to perform implementing the method of any of claims 1-3 based on instructions stored by the memory.
8. An information transmission method, comprising:
determining a transmission frequency band used by each branch signal;
extracting corresponding data segments from each transmission frequency band;
judging whether the ith transmission frequency band is a single frequency band, wherein i is more than or equal to 1 and less than or equal to N, and N is the total number of the signals;
if the ith transmission frequency band is a single frequency band, performing up-conversion processing on the corresponding data band to obtain an ith branch transmission signal;
if the ith transmission frequency band is not a single frequency band, merging the data segments corresponding to the sub-frequency bands in the ith transmission frequency band, and performing up-conversion processing on the merged data segments to obtain an ith branch transmission signal;
and generating MIMO signals according to the obtained transmission signals.
9. The method of claim 8, wherein combining the data segments corresponding to the sub-bands in the ith transmission band comprises:
carrying out down-conversion processing on data segments corresponding to all sub-frequency bands in the ith transmission frequency band to obtain corresponding information to be merged;
and merging the information to be merged to obtain a merged data segment.
10. A remote device, comprising:
a frequency band identification module configured to determine a transmission frequency band used by each branch signal;
an information extraction module configured to extract a corresponding data segment from each transmission frequency band;
the detection module is configured to judge whether the ith transmission frequency band is a single frequency band, i is more than or equal to 1 and less than or equal to N, and N is the total number of the signals;
the frequency conversion processing module is configured to perform up-conversion processing on the corresponding data segment to obtain an ith branch transmission signal if the ith transmission frequency band is a single frequency band; if the ith transmission frequency band is not a single frequency band, merging the data segments corresponding to the sub-frequency bands in the ith transmission frequency band, and performing up-conversion processing on the merged data segments to obtain an ith branch transmission signal;
and the information generation module is configured to generate the MIMO signal according to the obtained transmission signals.
11. The remote device of claim 10,
the frequency conversion processing module is configured to perform down-conversion processing on data segments corresponding to sub-bands in the ith transmission band to obtain corresponding information to be combined, and combine the information to be combined to obtain a combined data segment.
12. A remote device, comprising:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to perform implementing the method of any of claims 8-9 based on instructions stored by the memory.
13. A communication system, comprising:
the proximal device of any one of claims 4-7;
the remote device of any one of claims 10-12;
wherein the proximal device is electrically connected to the distal device by a single cable.
14. A computer readable storage medium, wherein the computer readable storage medium stores computer instructions which, when executed by a processor, implement the method of any one of claims 1-3, 8, 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010090720.7A CN111314924B (en) | 2020-02-13 | 2020-02-13 | Information transmission method, near-end equipment, far-end equipment and communication system |
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| CN202010090720.7A CN111314924B (en) | 2020-02-13 | 2020-02-13 | Information transmission method, near-end equipment, far-end equipment and communication system |
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| CN117156598A (en) * | 2023-08-08 | 2023-12-01 | 北京唯得科技有限公司 | Communication link setting method and system of 5G MIMO frequency shift system |
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| CN117156598A (en) * | 2023-08-08 | 2023-12-01 | 北京唯得科技有限公司 | Communication link setting method and system of 5G MIMO frequency shift system |
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