CN108833065A - Radio channel allocation communication means and device - Google Patents
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- CN108833065A CN108833065A CN201810529872.5A CN201810529872A CN108833065A CN 108833065 A CN108833065 A CN 108833065A CN 201810529872 A CN201810529872 A CN 201810529872A CN 108833065 A CN108833065 A CN 108833065A
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- 238000004891 communication Methods 0.000 title claims abstract description 40
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000003860 storage Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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Abstract
Radio channel allocation communication means and device disclosed by the invention, including：Identification module, generation module, writing module, judgment module, obtains module and switching module at distribution module, it is that the receiving device distributes a fixed frequency range by distribution module, improve the communication quality of same frequency channel between sending device and receiving device, the lead code of generation module generation receiving device, device address is written behind lead code writing module, judgment module judges whether the lead code of data is consistent with device address, improves the operational efficiency of receiving device；It is that the sending device distributes a fixed frequency range by distribution module, obtain the device address that module obtains receiving device, switching module the corresponding channel of frequency range where sending device is switched into receiving device where the corresponding channel of frequency range, the operational efficiency for improving sending device solves the defect that communication quality existing for existing radio channel allocation communication means and device is poor and operational efficiency is low.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a wireless channel allocation communication method and device.
Background
2.4G wireless communication technology, the frequency band is between 2.405GHz and 2.485GHz, and the frequency band is a free frequency band specified internationally. In view of the characteristics that the 2.4G wireless communication technology has strong anti-interference capability, high transmission rate and long transmission distance, the wireless communication method is widely applied to the field of wireless communication of the Internet of things.
At present, 2.4G wireless communication equipment adopted in the technical field of the internet of things mostly adopts a fixed frequency channel for data transmission, and because various different types of equipment share the same frequency channel, the wireless environment of the same frequency becomes complicated, the channel interference of the same frequency becomes large, and the wireless communication quality of the same frequency channel is influenced. Each device has a device address, and after acquiring data of a 2.4G frequency band, the device first judges whether the address in the data is correct, processes the data if the address is correct, and discards the data if the address is not correct. However, if the number and the type of the devices are increased, the receiving device may receive data transmitted by many other devices, which may increase the time for the devices to process data and reduce the operation efficiency of the devices.
Disclosure of Invention
In order to solve the defects of the prior art, embodiments of the present invention provide a method and an apparatus for allocating a wireless channel, which are used to achieve the above purpose, and adopt the following schemes:
in a first aspect, an embodiment of the present invention provides a wireless channel allocation communication method, which is executed by a transceiver module and is applicable when the transceiver module is in a receiving state, and includes: the method comprises the steps of identifying the equipment address of the receiving equipment, allocating a fixed frequency band for the receiving equipment according to the equipment address, generating a lead code of the receiving equipment according to the equipment address, writing the equipment address into the back of the lead code, judging whether the lead code of the wireless data is consistent with the equipment address or not after receiving data sent by the sending equipment, and sending the data to the receiving equipment if the lead code of the wireless data is consistent with the equipment address.
Preferably, after receiving the data sent by the sending device, the determining whether the preamble of the wireless data matches the device address includes:
if not, the data is discarded and the next data is received.
Preferably, the device address is 2 bytes in length.
Preferably, the length of the preamble is 4 bytes.
In a second aspect, an embodiment of the present invention provides another wireless channel allocation communication method, which is executed by a transceiver module and is applicable when the transceiver module is in a transmission state, including: identifying the equipment address of the sending equipment and the frequency band corresponding to the equipment address, allocating a fixed frequency band for the sending equipment according to the equipment address, acquiring the equipment address of the receiving equipment, writing the equipment address into the back of the lead code before sending data to the receiving equipment, and switching the channel corresponding to the frequency band where the sending equipment is located to the channel corresponding to the frequency band where the receiving equipment is located when sending data to the receiving equipment.
In a third aspect, an embodiment of the present invention provides another wireless channel allocation communication apparatus, including:
the identification module is used for identifying the equipment address of the receiving equipment;
the distribution module is used for distributing a fixed frequency band for the receiving equipment according to the equipment address;
a generating module, configured to generate a preamble of a receiving device according to a device address;
the writing module is used for writing the equipment address into the back of the lead code;
and the judging module is used for judging whether the lead code of the wireless data is consistent with the equipment address or not, and processing the data if the lead code of the wireless data is consistent with the equipment address.
Preferably, the determining module is further configured to determine whether a preamble of the wireless data is consistent with the device address, and if not, discard the data and receive the next data.
In a fourth aspect, an embodiment of the present invention provides another wireless channel allocation communication apparatus, including:
the identification module is used for identifying the equipment address of the sending equipment and the frequency band corresponding to the equipment address;
the distribution module is used for distributing a fixed frequency band for the sending equipment according to the equipment address;
the acquisition module is used for acquiring the equipment address of the receiving equipment;
the writing module is used for writing the equipment address into the lead code;
and the switching module is used for switching the channel corresponding to the frequency band where the sending equipment is located to the channel corresponding to the frequency band where the receiving equipment is located.
The wireless channel allocation communication method and the device provided by the embodiment of the invention comprise the following steps: the wireless receiving and sending module is in a receiving state, the equipment address of the receiving equipment is identified through the identification module, the distribution module distributes a fixed frequency band for the receiving equipment according to the equipment address, the communication quality of a same-frequency channel between the sending equipment and the receiving equipment is improved, the generation module generates a lead code of the receiving equipment according to the equipment address, the writing module writes the equipment address into the back of the lead code, the judgment module judges whether the lead code of the data is consistent with the equipment address or not after receiving the data sent by the sending equipment, and if the lead code of the data is consistent with the equipment address, the data are sent to the receiving equipment, so that the operating efficiency of the receiving equipment is improved; when the wireless transceiver module is in a sending state, the identification module identifies the equipment address of the sending equipment and the frequency band corresponding to the equipment address, the allocation module allocates a fixed frequency band to the sending equipment, the acquisition module acquires the equipment address of the receiving equipment, the write-in module writes the equipment address into the back of the lead code before sending data to the receiving equipment, and the switching module switches the channel corresponding to the frequency band where the sending equipment is located to the channel corresponding to the frequency band where the receiving equipment is located when sending data to the receiving equipment, so that the operating efficiency of the sending equipment is improved, and the defects of poor communication quality and low operating efficiency of the existing wireless channel allocation communication method and device are overcome.
Drawings
Fig. 1 is a flowchart illustrating a wireless channel allocation communication method according to an embodiment of the present invention;
fig. 2 is a flow chart of another wireless channel allocation communication method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a wireless channel assignment communication device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of another wireless channel allocation communication apparatus according to an embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
Fig. 1 is a flowchart illustrating a wireless channel allocation communication method according to an embodiment of the present invention. As shown in fig. 1, the method is performed by a radio transceiver module and is applicable when the radio transceiver module is in a receiving state, and comprises:
101, identifying a device address of the receiving device.
In data communication, the device address is the identifier of any device capable of sending or receiving data, and is the first sub-channel address identified by the channel connection device.
102, allocating a fixed frequency band to the receiving device according to the device address.
In one example, the frequency band range of 2.405-2.485GHz can be divided into 40 frequency bands, each adjacent frequency band has a frequency difference of 2M, each type of device uses a certain fixed frequency band, which can meet the use requirements of 40 types of devices, basically meet the requirements of all devices of an internet of things system, and reduce the interference of co-frequency channels.
103, generating a preamble of the receiving device according to the device address.
Each device can automatically generate a corresponding lead code according to the own device address.
And 104, writing the device address into the back of the preamble.
In one example, if the device address is OXABCD and the preamble is OX01010101, then writing the device address to the preamble following the preamble becomes OX01010101 ABCD.
And 105, after receiving the data sent by the sending device, judging whether the lead code of the wireless data is consistent with the device address, and if so, sending the data to the receiving device.
The identification device in the receiving equipment can automatically identify the wireless data of the 2.4G frequency band without a processor in the receiving equipment, so that the processing efficiency of the receiving equipment is improved.
In one example, the wireless transceiver module is a wireless transceiver module LT8910, and may be other components having the same function.
In one example, the receiving device is provided with a single-chip microcomputer STC15W408AS, and can perform corresponding processing on the received data.
Optionally, after receiving data sent by a sending device, determining whether a preamble of the wireless data is consistent with the device address further includes:
if not, the data is discarded and the next data is received.
Optionally, the length of the device address is 2 bytes.
Optionally, the length of the preamble is 4 bytes.
Fig. 2 is a flowchart illustrating another wireless channel allocation communication method according to an embodiment of the present invention. As shown in fig. 2, the method is performed by a radio transceiver module and is applicable when the radio transceiver module is in a transmission state, and comprises:
and 201, identifying the equipment address of the sending equipment and the frequency band corresponding to the equipment address.
202, allocating a fixed frequency band to the sending device according to the device address;
203, acquiring the device address of the receiving device;
204, before sending data to the receiving device, writing the device address behind the preamble;
205, when sending data to the receiving device, switching the channel corresponding to the frequency band in which the sending device is located to the channel corresponding to the frequency band in which the receiving device is located.
According to the wireless channel allocation communication method provided by the embodiment of the invention, when a wireless transceiver module is in a receiving state, a fixed frequency band is allocated to a receiving device by identifying the device address of the receiving device according to the device address, so that the communication quality of a same-frequency channel between the sending device and the receiving device is improved, a lead code of the receiving device is generated according to the device address, the device address is written into the back of the lead code, after data sent by the sending device is received, whether the lead code of the wireless data is consistent with the device address is judged, if so, the data is processed, and the operation efficiency of the receiving device is improved further by identifying the device address of the sending device and the frequency band corresponding to the device address according to the device address; when the wireless transceiver module is in a transmitting state, a fixed frequency band is allocated to the transmitting device, the device address of the receiving device is obtained, before data is transmitted to the receiving device, the device address is written into the lead code, and when the data is transmitted to the receiving device, the channel corresponding to the frequency band where the transmitting device is located is switched to the channel corresponding to the frequency band where the receiving device is located, so that the operating efficiency of the transmitting device is improved.
Fig. 3 is a schematic diagram of a wireless channel allocation communication apparatus according to an embodiment of the present invention, the apparatus is applicable when a wireless transceiver module is in a receiving state, as shown in fig. 3, the apparatus includes: identification module, distribution module, generation module, write in module and judgment module, wherein:
an identification module for identifying a device address of the receiving device;
the distribution module is used for distributing a fixed frequency band for the receiving equipment according to the equipment address;
a generating module, configured to generate a preamble of the receiving device according to the device address;
a write module for writing the device address behind the preamble;
and the judging module is used for judging whether the lead code of the wireless data is consistent with the equipment address or not, and if so, sending the data to the receiving equipment.
Optionally, the determining module is further configured to determine whether a preamble of the wireless data is consistent with the device address, and if not, discard the data and receive next data.
The wireless channel allocation communication device provided by the embodiment of the invention identifies the equipment address of the receiving equipment through the identification module, the allocation module allocates a fixed frequency band for the receiving equipment, the communication quality of a same-frequency channel between the sending equipment and the receiving equipment is improved, the generation module generates the lead code of the receiving equipment, the write module writes the equipment address behind the lead code, the judgment module judges whether the lead code of the wireless data is consistent with the equipment address, if so, the data is sent to the receiving equipment, and the operation efficiency of the receiving equipment is improved.
Fig. 4 is a schematic diagram of another wireless channel allocation communication apparatus according to an embodiment of the present invention, which is suitable for use when a wireless transceiver module is in a transmitting state, as shown in fig. 4, the apparatus includes: the device comprises an identification module, a distribution module, an acquisition module, a writing module and a switching module. Wherein,
the identification module is used for identifying the equipment address of the sending equipment and the frequency band corresponding to the equipment address;
the distribution module is used for distributing a fixed frequency band for the sending equipment according to the equipment address;
the acquisition module is used for acquiring the equipment address of the receiving equipment;
a write-in module, configured to write the device address into the preamble;
and the switching module is used for switching the channel corresponding to the frequency band where the sending equipment is located to the channel corresponding to the frequency band where the receiving equipment is located.
The wireless channel allocation communication device provided by the embodiment of the invention identifies the equipment address of the sending equipment and the frequency band corresponding to the equipment address through the identification module, the allocation module allocates a fixed frequency band for the sending equipment, the communication quality of a same-frequency channel between the sending equipment and the receiving equipment is improved, the equipment address of the receiving equipment is obtained through the acquisition module, the writing module writes the equipment address into the lead code, and the switching module switches the channel corresponding to the frequency band where the sending equipment is located to the channel corresponding to the frequency band where the receiving equipment is located, so that the operation efficiency of the sending equipment is improved.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be appreciated that the relevant features of the method and apparatus described above are referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In addition, the memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A wireless channel assignment communication method performed by a radio transceiver module and adapted when the radio transceiver module is in a receive state, comprising:
identifying a device address of a receiving device;
allocating a fixed frequency band to the receiving device according to the device address;
generating a lead code of the receiving equipment according to the equipment address;
writing the device address to the back of the preamble;
after receiving data sent by sending equipment, judging whether the lead code of the wireless data is consistent with the equipment address, and if so, sending the data to the receiving equipment.
2. The method of claim 1, wherein determining whether the preamble of the wireless data matches the device address after receiving data from a transmitting device comprises:
if not, the data is discarded and the next data is received.
3. The method of claim 1, wherein the device address is 2 bytes in length.
4. The method of claim 1, wherein the preamble has a length of 4 bytes.
5. A wireless channel assignment communication method performed by a radio transceiver module and adapted when the radio transceiver module is in a transmit state, comprising:
identifying the equipment address of the sending equipment and the frequency band corresponding to the equipment address;
allocating a fixed frequency band to the sending device according to the device address;
acquiring the equipment address of the receiving equipment;
writing the device address behind the preamble before sending data to the receiving device;
and when data is sent to the receiving equipment, switching the channel corresponding to the frequency band where the sending equipment is located to the channel corresponding to the frequency band where the receiving equipment is located.
6. A wireless channel assignment communication device, adapted to be used when a wireless transceiver module is in a receiving state, comprising:
an identification module for identifying a device address of the receiving device;
the distribution module is used for distributing a fixed frequency band for the receiving equipment according to the equipment address;
a generating module, configured to generate a preamble of the receiving device according to the device address;
a write module for writing the device address behind the preamble;
and the judging module is used for judging whether the lead code of the wireless data is consistent with the equipment address or not, and processing the data if the lead code of the wireless data is consistent with the equipment address.
7. The apparatus of claim 6, wherein the determining module is further configured to determine whether a preamble of the wireless data is consistent with the device address, and if not, discard the data and receive a next data.
8. A wireless channel assignment communication device, adapted to be used when a wireless transceiver module is in a transmission state, comprising:
the identification module is used for identifying the equipment address of the sending equipment and the frequency band corresponding to the equipment address;
the distribution module is used for distributing a fixed frequency band for the sending equipment according to the equipment address;
the acquisition module is used for acquiring the equipment address of the receiving equipment;
a write-in module, configured to write the device address into the preamble;
and the switching module is used for switching the channel corresponding to the frequency band where the sending equipment is located to the channel corresponding to the frequency band where the receiving equipment is located.
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| CN201810529872.5A CN108833065A (en) | 2018-05-29 | 2018-05-29 | Radio channel allocation communication means and device |
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| CN111918237A (en) * | 2019-05-07 | 2020-11-10 | 华为技术有限公司 | Communication method and device |
| CN111918237B (en) * | 2019-05-07 | 2022-03-25 | 华为技术有限公司 | Communication method and device |
| US12082039B2 (en) | 2019-05-07 | 2024-09-03 | Huawei Technologies Co., Ltd. | Communication method and communications apparatus |
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