CN108712784B - Communication method and device - Google Patents
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- CN108712784B CN108712784B CN201810449241.2A CN201810449241A CN108712784B CN 108712784 B CN108712784 B CN 108712784B CN 201810449241 A CN201810449241 A CN 201810449241A CN 108712784 B CN108712784 B CN 108712784B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the invention provides a communication method and device, and relates to the technical field of communication. The method and the device successively receive a first data frame and a second data frame which are simultaneously sent by a second user terminal through a preset first communication protocol and a preset second communication protocol, acquire a first identifier of the first data frame and a second identifier of the second data frame, and finally process the second data frame according to the first identifier and the second identifier; the first communication protocol and the second communication protocol are used for simultaneously sending data frames, so that dual-mode communication is realized, when the first user terminal and the second user terminal communicate through a local area network, the second user terminal always receives the data frames sent by the low-power-consumption communication protocol first, and when the first user terminal and the second user terminal communicate through a wide area network, the second user terminal always receives the data frames sent by the long-distance communication protocol first, so that the communication system has low power consumption and long-distance transmission simultaneously, and can adapt to more application environments.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a communication method and apparatus.
Background
Currently, internet of things communication generally consists of two parts, namely a local area network and a wide area network. And the local area network selects different devices for communication according to distance and power consumption. At present, the wireless communication technologies of the internet of things are various, and can form a local area network or a wide area network for communication, the wireless technologies forming the local area network mainly include 2.4GHz WiFi, Bluetooth, Zigbee and the like, and the wireless technologies forming the wide area network mainly include 2G/3G/4G and the like.
However, before the low Power Wide Area Network (L ow Power Wide Area Network, L PWAN) is generated, it seems that only one of the long distance and the low Power consumption can be selected, which results in a slow signal transmission speed, a high Power consumption or an insufficient transmission distance, a large limitation, and is not suitable for various application environments.
Disclosure of Invention
In view of the above, the present invention provides a communication method and apparatus to solve the above problems.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a communication method, applied to a first user terminal, where the first user terminal is in communication connection with a second user terminal, and the communication method includes:
sequentially receiving a first data frame and a second data frame which are simultaneously sent by the second user terminal through a preset first communication protocol and a preset second communication protocol;
acquiring a first identifier of the first data frame and a second identifier of the second data frame;
processing the second data frame in accordance with the first identifier and the second identifier.
Further, the step of processing the second data frame according to the first identifier and the second identifier comprises:
retaining the second data frame when the second identifier is greater than the first identifier.
Further, the step of processing the second data frame according to the first identifier and the second identifier comprises:
when the second identifier is 0, judging whether the first identifier is 2 or notn-1；
When the first identifier is 2n-1, retaining said second data frame; and otherwise, deleting the second data frame, wherein n is a preset constant.
Further, the step of processing the second data frame according to the first identifier and the second identifier comprises:
deleting the second data frame when the second identifier is equal to the first identifier.
Further, the preset first communication protocol is a ZigBee protocol, and the preset second communication protocol is an L oRa protocol.
In a second aspect, an embodiment of the present invention further provides a communication apparatus, applied to a first user terminal, where the first user terminal is in communication connection with a second user terminal, and the communication apparatus includes:
a receiving unit, configured to successively receive a first data frame and a second data frame that are simultaneously sent by the second user terminal through a preset first communication protocol and a preset second communication protocol;
an identifier acquisition unit configured to acquire a first identifier of the first data frame and a second identifier of the second data frame;
and the processing unit is used for processing the second data frame according to the first identifier and the second identifier.
Further, the processing unit is configured to reserve the second data frame when the second identifier is greater than the first identifier.
Further, the processing unit is configured to determine whether the first identifier is 2 when the second identifier is 0n-1；
The processing unit is further configured to determine whether the first identifier is 2n-1, retaining said second data frame; and otherwise, deleting the second data frame, wherein n is a preset constant.
Further, the processing unit is configured to delete the second data frame when the second identifier is equal to the first identifier.
Further, the preset first communication protocol is a ZigBee protocol, and the preset second communication protocol is an L oRa protocol.
The communication method and the communication device provided by the embodiment of the invention successively receive a first data frame and a second data frame which are simultaneously sent by a second user terminal through a preset first communication protocol and a preset second communication protocol, then acquire a first identifier of the first data frame and a second identifier of the second data frame, and finally process the second data frame according to the first identifier and the second identifier; the first communication protocol and the second communication protocol are used for simultaneously sending data frames, so that dual-mode communication is realized, when the first user terminal and the second user terminal communicate through a local area network, the second user terminal always receives the data frames sent by the low-power-consumption communication protocol first, and when the first user terminal and the second user terminal communicate through a wide area network, the second user terminal always receives the data frames sent by the long-distance communication protocol first, so that the communication system has low power consumption and long-distance transmission simultaneously, and can adapt to more application environments.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows a functional block diagram of a communication system provided by an embodiment of the present invention.
Fig. 2 shows a functional block diagram of a first user terminal according to an embodiment of the present invention.
Fig. 3 shows a functional block diagram of a second user terminal provided in an embodiment of the present invention.
Fig. 4 shows a flowchart of a communication method provided by an embodiment of the present invention.
Fig. 5 is a functional block diagram of a communication apparatus according to an embodiment of the present invention.
Icon: 100-a communication system; 110-a first user terminal; 111-a first memory; 112-a first storage controller; 113-a first processor; 114-a first peripheral interface; 115-a first radio frequency unit; 116-a first touch screen; 120-a second user terminal; 121-a second memory; 122-a second storage controller; 123-a second processor; 124-a second peripheral interface; 125-a second radio frequency unit; 126-second touch screen; 200-a communication device; 210-a receiving unit; 220-an identifier acquisition unit; 230-processing unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 a process, method, article, or apparatus that comprises the element.
The present invention provides a communication system 100 for implementing dual mode communication. Referring to fig. 1, a functional block diagram of a communication system 100 according to an embodiment of the present invention is shown. The communication system 100 comprises a first user terminal 110 and a second user terminal 120, the first user terminal 110 being in communication connection with the second user terminal 120.
Referring to fig. 2, fig. 2 is a functional block diagram of the first user terminal 110 according to an embodiment of the present invention. As shown in fig. 2, the user terminal includes a communication device 200, a first memory 111, a first memory controller 112, one or more (only one shown) first processors 113, a first peripheral interface 114, a first radio frequency unit 115, a first touch screen 116, and the like. These components communicate with each other via one or more communication buses/signal lines. The communication device 200 includes at least one software function unit that may be stored in the first memory 111 in the form of software or firmware (firmware) or solidified in an Operating System (OS) of the user terminal.
The first memory 111 may be used to store software programs and units, such as program instructions/units corresponding to the communication apparatus 200 and the method in the embodiment of the present invention, and the first processor 113 executes various functional applications and data processing, such as the communication method provided in the embodiment of the present invention, by executing the software programs and units stored in the first memory 111. The first memory 111 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. Access to the first memory 111 by the first processor 113 and possibly other components may be under the control of the first memory controller 112.
The first peripheral interface 114 couples various input/output devices to the first processor 113 and the first memory 111. In some embodiments, the first peripheral interface 114, the first processor 113, and the first memory controller 112 may be implemented in a single chip. In other examples, they may be implemented separately from the individual chips.
The first rf unit 115 is used for receiving and transmitting electromagnetic waves, and implementing interconversion between the electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices.
The first touch screen 116 provides an output and input interface between the user terminal and the user to enable the user terminal to interact with the user. The first touch screen 116 can sense a touch operation from the first touch screen 116, and the sensed touch operation is sent to the first processor 113 for processing.
It will be appreciated that the configuration shown in figure 2 is merely illustrative and that the user terminal may also include more or fewer components than shown in figure 2 or have a different configuration than shown in figure 2. The components shown in fig. 2 may be implemented in hardware, software, or a combination thereof.
Referring to fig. 3, fig. 3 is a functional block diagram of the second user terminal 120 according to an embodiment of the present invention. As shown in fig. 3, the user terminal includes a communication device 200, a second memory 121, a second memory controller 122, one or more (only one shown) second processors 123, a second peripheral interface 124, a second radio frequency unit 125, a second touch screen 126, and the like. These components communicate with each other via one or more communication buses/signal lines. The communication device 200 includes at least one software function unit that may be stored in the second memory 121 in the form of software or firmware (firmware) or solidified in an Operating System (OS) of the user terminal.
The second memory 121 may be used for storing software programs and units, such as program instructions/units corresponding to the communication device 200 and the method in the embodiment of the present invention, and the second processor 123 executes various functional applications and data processing, such as the communication method provided in the embodiment of the present invention, by executing the software programs and units stored in the second memory 121. The second memory 121 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. Access to the second memory 121 by the second processor 123 and possibly other components may be under the control of the second memory controller 122.
The second peripheral interface 124 couples various input/output devices to the second processor 123 and to the second memory 121. In some embodiments, the second peripheral interface 124, the second processor 123, and the second memory controller 122 may be implemented in a single chip. In other examples, they may be implemented separately from the individual chips.
The second rf unit 125 is used for receiving and transmitting electromagnetic waves, and implementing interconversion between the electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices.
The second touch screen 126 provides an output and input interface between the user terminal and the user to enable the user terminal to interact with the user. The second touch screen 126 can sense a touch operation from the second touch screen 126 and send the sensed touch operation to the second processor 123 for processing.
It will be appreciated that the configuration shown in figure 3 is merely illustrative and that the user terminal may also include more or fewer components than shown in figure 3 or have a different configuration than shown in figure 3. The components shown in fig. 3 may be implemented in hardware, software, or a combination thereof.
First embodiment
The embodiment of the invention provides a communication method for realizing dual-mode communication between a first user terminal 110 and a second user terminal 120. Please refer to fig. 4, which is a flowchart illustrating a communication method according to an embodiment of the present invention. The communication method comprises the following steps:
step S401: the first data frame and the second data frame, which are simultaneously sent by the second user terminal 120 through the preset first communication protocol and the preset second communication protocol, are received successively.
It can be understood that, in this embodiment, the second user terminal 120 is a signal sending end, the first user terminal 110 is a signal receiving end, and the second user terminal 120 and the first user terminal 110 can be communicatively connected through a preset first communication protocol and a preset second communication protocol.
However, in other embodiments, the second user terminal 120 may also be a signal receiving end, and the first user terminal 110 may be a signal transmitting end.
When the second user terminal 120 needs to transmit a data frame to the first user terminal 110, the second user terminal 120 simultaneously uses two different communication protocols, i.e., the first communication protocol and the second communication protocol, to transmit a data frame, i.e., the first data frame and the second data frame, to the first user terminal 110.
It should be noted that, although the second user terminal 120 simultaneously transmits the data frame to the first user terminal 110 through two different communication protocols, the time when the first user terminal 110 receives the two data frames is different.
If the first communication protocol is a low-power consumption communication protocol and the second communication protocol is a long-distance communication protocol, when the first user terminal 110 and the second user terminal 120 communicate via the local area network, the first user terminal 110 first receives a data frame sent by the second user terminal 120 via the first communication protocol; conversely, when the first user terminal 110 and the second user terminal 120 communicate via the wide area network, the first user terminal 110 first receives the data frame sent by the second user terminal 120 via the second communication protocol.
In a preferred embodiment, the preset first communication protocol is a ZigBee protocol, and the preset second communication protocol is an L oRa protocol.
The ZigBee technology is a two-way wireless communication technology with short distance, low complexity, low power consumption, low speed and low cost, and the L oRa technology has the characteristics of long distance, low power consumption (long service life of a battery), multiple nodes and low cost.
Step S402: a first identifier of a first data frame and a second identifier of a second data frame are obtained.
It should be noted that each frame of data has its own identifier, and when the identifiers of two data frames are the same, it indicates that the two data frames are the same frame of data; otherwise, it indicates that the two data frames are not data of the same frame.
It should be noted that the data frame transmitted later has a larger identifier than the data frame transmitted earlier.
Step S403: the second data frame is processed according to the first identifier and the second identifier.
Specifically, the first user terminal 110 needs to determine whether the second identifier is larger than the first identifier or whether the second identifier is 0.
It is understood that by determining whether the second identifier is greater than the first identifier, it can be determined whether the first data frame and the second data frame are the same frame data.
And when the second identifier is larger than the first identifier, the sending time of the second data frame is later than that of the first data frame, the first data frame and the second data frame are not the same frame data, and the second data frame is reserved.
When the second identifier is equal to the first identifier, indicating that the first data frame is the same data frame as the second data frame, and the first data frame has been processed, the second data frame is deleted.
When the second identifier is 0, it is necessary to further determine whether the first identifier is 2n-1, if so, retaining the second data frame, and if not, deleting the second data frame.
Where n is a preset constant, i.e., the number of bits used to load the symbol integer of the identifier.
For example, if n is 16, the identifier is loaded by 16-bit unsigned shaping, so the maximum value of the identifier is 65535. When the second identifier is 0, the previous frame data may be 65535 or 0. Therefore, when the second identifier is 0, it is determined whether the first data frame and the second data frame are the same frame data by judging the first identifier.
Thus, when the second identifier is 0 and the first identifier is 65535, it indicates that the first data frame and the second data frame are not the same frame data, and thus the second data frame is retained.
Second embodiment
Referring to fig. 5, fig. 5 is a functional block diagram of a communication device 200 according to a preferred embodiment of the invention. It should be noted that the basic principle and the generated technical effect of the communication apparatus 200 provided in the present embodiment are the same as those of the above embodiments, and for the sake of brief description, no part of the present embodiment is mentioned, and corresponding contents in the above embodiments may be referred to. The communication apparatus 200 includes a receiving unit 210, an identifier obtaining unit 220, and a processing unit 230.
The receiving unit 210 is configured to successively receive a first data frame and a second data frame that are simultaneously sent by the second user terminal 120 through a preset first communication protocol and a preset second communication protocol.
It is to be understood that, in a preferred embodiment, the receiving unit 210 may be configured to perform step S401.
The identifier obtaining unit 220 is configured to obtain a first identifier of the first data frame and a second identifier of the second data frame.
It is to be understood that, in a preferred embodiment, the identifier obtaining unit 220 is operable to perform the step S402.
The processing unit 230 is configured to process the second data frame according to the first identifier and the second identifier.
In particular, the processing unit 230 is configured to delete the second data frame when the second identifier is equal to the first identifier, to retain the second data frame when the second identifier is greater than the first identifier, and to be configured to delete the second data frame when the second identifier is 0 and the first identifier is 2nAnd when-1, the second data frame is reserved.
It is to be understood that in a preferred embodiment, the processing unit 230 is operable to perform step S403.
To sum up, in the communication method and apparatus provided in the embodiments of the present invention, a first data frame and a second data frame simultaneously sent by a second user terminal through a preset first communication protocol and a preset second communication protocol are received successively, a first identifier of the first data frame and a second identifier of the second data frame are then obtained, and finally the second data frame is processed according to the first identifier and the second identifier; the first communication protocol and the second communication protocol are used for simultaneously sending data frames, so that dual-mode communication is realized, when the first user terminal and the second user terminal communicate through a local area network, the second user terminal always receives the data frames sent by the low-power-consumption communication protocol first, and when the first user terminal and the second user terminal communicate through a wide area network, the second user terminal always receives the data frames sent by the long-distance communication protocol first, so that the communication system has low power consumption and long-distance transmission simultaneously, and can adapt to more application environments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a unit, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, each functional unit in the embodiments of the present invention may be integrated together to form an independent part, or each unit may exist separately, or two or more units may be integrated to form an independent part.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A communication method applied to a first user terminal, wherein the first user terminal is in communication connection with a second user terminal, the communication method comprising:
sequentially receiving a first data frame and a second data frame which are simultaneously sent by the second user terminal through a preset first communication protocol and a preset second communication protocol;
acquiring a first identifier of the first data frame and a second identifier of the second data frame;
retaining the second data frame when the second identifier is greater than the first identifier;
when the second identifier is 0, judging whether the first identifier is 2 or notn-1；
When the first identifier is 2n-1, retaining said second data frame; otherwise, deleting the second data frame, wherein n is a preset constant;
deleting the second data frame when the second identifier is equal to the first identifier.
2. The communication method according to claim 1, wherein the preset first communication protocol is a ZigBee protocol, and the preset second communication protocol is an L oRa protocol.
3. A communication apparatus, applied to a first user terminal, the first user terminal being in communication connection with a second user terminal, the communication apparatus comprising:
a receiving unit, configured to successively receive a first data frame and a second data frame that are simultaneously sent by the second user terminal through a preset first communication protocol and a preset second communication protocol;
an identifier acquisition unit configured to acquire a first identifier of the first data frame and a second identifier of the second data frame;
a processing unit configured to reserve the second data frame when the second identifier is greater than the first identifier;
the processing unit is used for judging whether the first identifier is 2 or not when the second identifier is 0n-1；
The processing unit is further configured to determine whether the first identifier is 2n-1, retaining said second data frame; otherwise, deleting the second data frame, wherein n is a preset constant;
the processing unit is configured to delete the second data frame when the second identifier is equal to the first identifier.
4. The communication apparatus according to claim 3, wherein the preset first communication protocol is a ZigBee protocol, and the preset second communication protocol is an L oRa protocol.
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| CN101834934A (en) * | 2010-02-04 | 2010-09-15 | 青岛海信移动通信技术股份有限公司 | Method and related device for processing data in dual-mode dual-standby terminal |
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| US6654383B2 (en) * | 2001-05-31 | 2003-11-25 | International Business Machines Corporation | Multi-protocol agile framer |
| CN101662404B (en) * | 2008-08-27 | 2012-10-10 | 上海海事大学 | CAN bus-based communication method of control instruments of ship power station |
| CN101650872B (en) * | 2009-09-03 | 2011-06-29 | 上海华冠电子设备有限责任公司 | System and method for collecting power utilization information |
| KR101779614B1 (en) * | 2011-06-08 | 2017-09-18 | 엘에스산전 주식회사 | Inverter communication system |
| US9717086B2 (en) * | 2013-11-27 | 2017-07-25 | Marvell World Trade Ltd. | Orthogonal frequency division multiple access for wireless local area network |
| US10375528B2 (en) * | 2015-07-09 | 2019-08-06 | At&T Intellectual Property I, L.P. | Dynamically switching between broadcast and unicast services for service continuity between wireless networks |
| CN106209324B (en) * | 2016-09-18 | 2023-05-19 | 幻视互动（北京）科技有限公司 | Intelligent head display device based on multi-frequency wireless networking module realized by FPGA |
| CN107343005B (en) * | 2017-07-12 | 2019-10-22 | 北京紫光恒越网络科技有限公司 | Bootstrap information sending method and device based on multi-protocol stack |
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