CN113645713B - Data transmission method, device, electronic equipment and storage medium - Google Patents
Data transmission method, device, electronic equipment and storage medium Download PDFInfo
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- CN113645713B CN113645713B CN202110905842.1A CN202110905842A CN113645713B CN 113645713 B CN113645713 B CN 113645713B CN 202110905842 A CN202110905842 A CN 202110905842A CN 113645713 B CN113645713 B CN 113645713B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 22
- 238000004891 communication Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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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 application discloses a data transmission method, a data transmission device, electronic equipment and a storage medium. The data transmission method comprises the following steps: searching a strong signal cell of a first base station for residence; and establishing a wireless S1 link with the first base station by using the addressing wireless transmission module, wherein the wireless S1 link is used for transmitting the data of the first base station to the core network through the relay base station. The application is beneficial to reducing the data transmission delay and improving the user experience.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission method, a data transmission device, an electronic device, and a storage medium.
Background
Wireless communication technology has evolved with the advent of the era into a variety of new technologies. The earliest wired communication is excessive to wireless communication, and the station distribution mode of optical fiber transmission is limited due to the specificity of part of geographic environments, so that two wireless communication technologies of microwave technology and CPE-Relay backhaul are presented. The microwave technology adopts microwaves and a specific frequency band for wireless transmission. The CPE-Relay backhaul technology bundles the eNodeB base stations with CPE (Customer Premise Equipment ) that build up wireless links between the base stations as relays. However, these two wireless communication technologies still have drawbacks: the microwave technology adopts a high-frequency band, has shorter wavelength, has propagation characteristics similar to light waves in the air, namely, linearly advances, and is reflected or blocked when encountering blocking; there is a lot of interactions between CPE-Relay technology base station and CPE two components, transmission delay will increase by multiple times and the cost is higher.
Disclosure of Invention
In view of this, embodiments of the present application provide a data transmission method, apparatus, electronic device, and storage medium, which are favorable for reducing data transmission delay and improving user experience.
The application provides a data transmission method, which is applied to a relay base station, wherein the relay base station is integrated with an addressing wireless transmission module, and the method comprises the following steps:
Searching a strong signal cell of a first base station for residence;
And establishing a wireless S1 link with the first base station by utilizing the addressing wireless transmission module, wherein the wireless S1 link is used for transmitting the data of the first base station to a core network through the relay base station.
Optionally, the transmission mode of the wireless S1 link includes at least one of the following: m.2 transmission, PCIE transmission, USB transmission, radio frequency transmission.
Optionally, the method further comprises:
And selecting an optimal strong signal cell by using the addressing wireless transmission module, switching to the optimal strong signal cell, and establishing an optimal wireless S1 link with the optimal strong signal cell.
Optionally, the addressing wireless transmission module is integrated on an indoor baseband processing unit BBU of the relay base station.
The application provides a data transmission device, comprising:
the search module is used for searching a strong signal cell of the first base station for residence;
The establishing module is used for establishing a wireless S1 link with the first base station, and the wireless S1 link is used for transmitting the data of the first base station to a core network through a relay base station.
Optionally, the transmission mode of the wireless S1 link includes at least one of the following: m.2 transmission, PCIE transmission, USB transmission.
Optionally, the apparatus further comprises:
And the switching module is used for selecting an optimal strong signal cell, switching to the optimal strong signal cell and establishing an optimal wireless S1 link with the optimal strong signal cell.
Optionally, the search module and the establishment module are integrated on an indoor baseband processing unit BBU of the relay base station.
The application provides an electronic device, which comprises: the data transmission system comprises a memory and a processor, wherein the memory stores a program, and the program realizes the steps of the data transmission method when being executed by the processor.
The application provides a readable storage medium storing a program which when called by a processor performs the steps of the data transmission method described above.
According to the data transmission method, the device, the electronic equipment and the storage medium, the addressing wireless transmission module is integrated on the relay base station, data of the first base station are transmitted to the relay base station through the wireless S1 link and then transmitted to the core network through the relay base station, so that the data transmission delay is reduced, and the user experience is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a system block diagram of microwave technology;
FIG. 2 is a system block diagram of a CPE-Relay backhaul technique;
FIG. 3 is a flow chart of a data transmission method according to an embodiment of the application;
FIG. 4 is a system block diagram of an embodiment of the present application;
FIG. 5 is a protocol architecture diagram of the CPE-Relay backhaul technique;
FIG. 6 is a protocol architecture diagram of an embodiment of the present application;
Fig. 7 is a flow chart of a data transmission method according to another embodiment of the application.
Detailed Description
According to the data transmission method provided by the embodiment of the application, the addressing wireless transmission module is integrated on the relay base station, the data of the first base station is transmitted to the relay base station through the wireless S1 link and then transmitted to the core network through the relay base station, so that the data transmission delay is reduced, and the user experience is improved. .
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly described below with reference to the embodiments and the accompanying drawings. It is apparent that the described embodiments are only some embodiments, not all. Based on the embodiments in the present application, the following respective embodiments and technical features thereof may be combined with each other without collision.
It should be noted that, in the description of the present application, although step numbers such as S100, S200, S300 are used for the purpose of more clearly and briefly describing the corresponding content, and not to constitute a substantial limitation on the sequence, those skilled in the art may execute S300 first and then S200 when implementing the present application, for example, when switching from the first scenario to the second scenario, which are all within the scope of the present application.
Wireless communication technology has evolved with the advent of the era into a variety of new technologies. The earliest wired communication is excessive to wireless communication, and the station distribution mode of optical fiber transmission is limited due to the specificity of part of geographic environments, so that two wireless communication technologies of microwave technology and CPE-Relay backhaul are presented. As shown in fig. 1, the microwave technology adopts a mode of microwave transmission and optical fiber transmission to realize data transmission between the first base station and EPC (Evolved Packet Core network, evolved packet core network, hereinafter referred to as core network). As shown in fig. 2, the CPE-Relay backhaul technology bundles the Relay base station with a CPE (Customer Premise Equipment ) that acts as a wireless link between the Relay base station and the first base station. However, these two wireless communication technologies still have drawbacks: the microwave technology adopts a high-frequency band, has shorter wavelength, has propagation characteristics similar to light waves in the air, namely, linearly advances, and is reflected or blocked when encountering blocking; in the CPE-Relay technology, a great deal of interaction exists between a base station and two components of the CPE, the transmission delay is multiplied (in theory, the peripheral user communication carries out signal modulation and demodulation for more than 2 times), and the cost is high.
Based on the above, the embodiments of the present application provide a data transmission method, apparatus, electronic device, and storage medium, where an addressing wireless transmission module is integrated on a relay base station, so that air interface transmission between the relay base station and a CPE module is omitted, which is beneficial to reducing data transmission delay and improving user experience.
In a first aspect, an embodiment of the present application provides a data transmission method. Fig. 3 is a flow chart of a data transmission method according to an embodiment of the application, which includes the following steps:
Step S100: and searching a strong signal cell of the non-relay base station for residence.
In some embodiments, the data transmission method is applied to a relay base station. As shown in fig. 4, the first base station is one base station disposed on an island or in a special geographical environment such as water. Due to the particularity of the geographical environment, the distribution mode of the optical fiber transmission is limited, namely, the data cannot be transmitted between the first base station and the core network EPC. In the embodiment of the application, the addressing wireless transmission module (the module is abbreviated as a module in fig. 4) is integrated on the relay base station, and the addressing wireless transmission module searches the strong signal cell of the non-relay base station, namely searches the strong signal cell of the first base station to carry out residence.
In some embodiments, the addressing wireless transmission module may be integrated on the indoor baseband processing unit BBU of the relay base station, or may be integrated on the remote radio unit RRU.
Step S200: and establishing a wireless S1 link with the first base station by using the addressing wireless transmission module, wherein the wireless S1 link is used for transmitting the data of the first base station to the core network through the relay base station.
In some embodiments, the addressing wireless transmission module establishes a wireless S1 link with the first base station. The data of the first base station is transmitted to the relay base station through a wireless S1 link, and then transmitted to the core network EPC (or the wireless hub interconnection of a plurality of core networks in the city) through a wired (optical fiber transmission) or wireless (wireless S1 link) mode by the relay base station.
In some embodiments, the wireless link established by the addressing wireless transmission module and the first base station may be other types of wireless links besides the S1 link, which is not limited in this embodiment.
In some embodiments, the transmission manner of the wireless S1 link includes at least one of the following: m.2 transmission, PCIE transmission, USB transmission, radio frequency transmission.
Note that, referring to fig. 2, the first base station on the left side is also provided with CPE, so the first base station on the left side may also be used as a relay base station. When a base station farther from the relay base station needs to transmit data with the core network, the data transmission can be performed with the core network through a path of the first base station-relay base station-core network. Similarly, referring to fig. 4, the first base station on the left side may also be provided with an addressing wireless transmission module, so that the first base station on the left side may also be used as a relay base station. When a base station farther from the relay base station needs to transmit data with the core network, the data transmission can be performed with the core network through a path of the first base station-relay base station-core network.
As shown in fig. 5, a protocol architecture diagram of the CPE-Relay backhaul technology is shown. In the CPE-Relay backhaul technology, the CPE of the Relay base station and the first base station communicate via an RRC-UU air interface, and data respectively pass through PHY, MAC, RLC, PDCP, RRC protocol layers, and radio resource scheduling (RRC radio link establishment) of the RRC layer is required.
Fig. 6 shows a protocol architecture diagram according to an embodiment of the present application. The addressing wireless transmission modules of the first base station and the relay base station directly communicate through an M.2 interface (or PCIE, USB and radio frequency circuit), namely physical link transmission is realized, an upper RRC is not needed, the relay base station reduces RRC layer data transmission, the effect of transparent transmission can be realized, the data transmission delay is reduced, and the user experience is improved.
In some embodiments, as shown in fig. 7, the data transmission method further includes:
Step S300: and selecting an optimal strong signal cell by using the addressing wireless transmission module, switching to the optimal strong signal cell, and establishing an optimal wireless S1 link with the optimal strong signal cell.
The addressed radio transmission module may also implement cell switching. Specifically, the addressing wireless transmission module monitors the signal intensity of the cell of the first base station in real time, selects the optimal strong signal cell in the first base station, switches to the optimal strong signal cell, and establishes an optimal wireless S1 link with the optimal strong signal cell. This may enhance the reliability of the data transmission between the first base station and the relay base station.
The data transmission method of the embodiment of the application can break the traditional optical fiber transmission mode, the base station does not singly provide wireless link resources for the terminal, and a wireless S1 link can be established between the base stations. The addressing wireless transmission module is integrated on BBU equipment of the base station, and direct protocol transmission (M.2 transmission, PCIE transmission, USB transmission and radio frequency transmission) between two network elements can reduce the link overhead of an RRC-UU air interface. In the case of an LTE network, a terminal is connected to the network in a first transmission mode of an eNodeB, the ping time delay is about 60ms, the terminal is connected to the network in a second transmission mode of a CPE-Relay, and the ping time delay is about 120ms, so that the user experience is seriously influenced. However, the network is connected in a mode that the addressing wireless transmission module is integrated in the eNodeB two-transmission mode, and the ping time delay is close to that of the one-transmission mode, so that the special networking mode is solved, the low transmission time delay is ensured, and the user experience is improved.
In a second aspect, the present application also provides a data transmission apparatus, including:
the search module is used for searching a strong signal cell of the first base station for residence;
The establishing module is used for establishing a wireless S1 link with the first base station, and the wireless S1 link is used for transmitting the data of the first base station to the core network through the relay base station.
In some embodiments, the data transmission device may be a relay base station as described in the first aspect, or may be an addressed wireless transmission module integrated on the relay base station. The first base station is one base station arranged on an island or in a special geographical environment such as water. Due to the particularity of the geographical environment, the distribution mode of the optical fiber transmission is limited, namely, the data cannot be transmitted between the first base station and the core network EPC. According to the embodiment of the application, the addressing wireless transmission module is integrated on the relay base station, so that the data transmission delay is reduced, and the user experience is improved. The working principle and implementation process of the data transmission device refer to the description of the first aspect, and are not repeated here.
In some embodiments, the wireless link established by the addressing wireless transmission module and the first base station may be other types of wireless links besides the S1 link, which is not limited in this embodiment.
In some embodiments, the transmission manner of the wireless S1 link includes at least one of the following: m.2 transmission, PCIE transmission, USB transmission, radio frequency transmission.
In some embodiments, the data transmission apparatus further comprises:
And the switching module is used for selecting the optimal strong signal cell, switching to the optimal strong signal cell and establishing an optimal wireless S1 link with the optimal strong signal cell.
The addressed radio transmission module may also implement cell switching. Specifically, the addressing wireless transmission module monitors the signal intensity of the cell of the first base station in real time, selects the optimal strong signal cell in the first base station, switches to the optimal strong signal cell, and establishes an optimal wireless S1 link with the optimal strong signal cell. This may enhance the reliability of the data transmission between the first base station and the relay base station.
In some embodiments, the addressing wireless transmission module may be integrated on the indoor baseband processing unit BBU of the relay base station, or may be integrated on the remote radio unit RRU.
In a third aspect, the present application also provides an electronic device, including: the data transmission method comprises a memory and a processor, wherein the memory stores a program which realizes the steps of the data transmission method in any embodiment when being executed by the processor.
In a practical scenario, the electronic device may be an addressed wireless transmission module or an intelligent electronic device. The application is not limited to the specific form of the intelligent electronic device, and includes, for example and without limitation: handheld electronic devices such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal DIGITAL ASSISTANT, PDA), portable media players (Portable MEDIA PLAYER, PMP); a vehicle-mounted navigation device; a wearable device, etc. has a corresponding function.
In a fourth aspect, the present application also provides a readable storage medium storing a program which, when executed by a processor, implements the steps of the data transmission method as in any of the embodiments described above.
In the embodiments of the electronic device and the readable storage medium provided by the present application, all technical features of each embodiment of the above method are included, and the expansion and explanation contents of the description are the same as the adaptability of each embodiment of the above positioning method, which is not repeated herein.
The application also provides a computer program product of an embodiment, comprising computer program code which, when run on a computer, causes the computer to perform the method as described in the various possible embodiments above.
The application also provides a chip of an embodiment comprising a memory for storing a program and a processor for calling and running the program from the memory, such that a device on which the chip is mounted performs the method as in the various possible embodiments above.
From the above description of the embodiments, it will be clear to those skilled in the art that the above positioning method may be implemented by means of software plus a necessary general purpose hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as above, comprising several instructions for causing a device (e.g. a mobile phone, a computer, a server, a controlled electronic device, a network device, etc.) to perform the method of each embodiment of the present application.
The foregoing description is only a partial embodiment of the present application and is not intended to limit the scope of the present application, and all equivalent structural modifications made by the present specification and drawings are included in the scope of the present application.
Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element, and furthermore, elements having the same name in different embodiments may have the same meaning or may have different meanings, the particular meaning of which is to be determined by its interpretation in this particular embodiment or further context of this particular embodiment.
The terms "or" and/or "are to be construed as inclusive, or mean any one or any combination. An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.
Claims (8)
1. A data transmission method, characterized by being applied to a relay base station, the relay base station being integrated with an addressed wireless transmission module, the method comprising:
searching a strong signal cell of a first base station for residence, wherein the first base station is a base station which is in a special geographic environment and cannot realize wired transmission;
the wireless S1 link is established with the first base station by utilizing the addressing wireless transmission module, the wireless S1 link is used for transmitting the data of the first base station to a core network through the relay base station, a terminal is connected to the network in an eNodeB two-transmission mode by integrating the addressing wireless transmission module, and a transmission protocol of the addressing wireless transmission module and the relay base station comprises at least one of the following steps: m.2 transmission, PCIE transmission, USB transmission.
2. The data transmission method according to claim 1, characterized in that the method further comprises:
And selecting an optimal strong signal cell by using the addressing wireless transmission module, switching to the optimal strong signal cell, and establishing an optimal wireless S1 link with the optimal strong signal cell.
3. The data transmission method according to claim 1, characterized in that the addressing radio transmission module is integrated on an indoor baseband processing unit BBU of the relay base station.
4. A data transmission apparatus, comprising:
The search module is used for searching a strong signal cell of a first base station for residence, wherein the first base station is a base station which is in a special geographic environment and cannot realize wired transmission;
The establishing module is used for establishing a wireless S1 link with the first base station, the wireless S1 link is used for transmitting the data of the first base station to a core network through the relay base station, the terminal is connected to the network in a mode of integrating the addressing wireless transmission module in an eNodeB two-transmission mode, and a transmission protocol of the addressing wireless transmission module and the relay base station comprises at least one of the following steps: m.2 transmission, PCIE transmission, USB transmission.
5. The data transmission apparatus according to claim 4, wherein the apparatus further comprises:
And the switching module is used for selecting an optimal strong signal cell, switching to the optimal strong signal cell and establishing an optimal wireless S1 link with the optimal strong signal cell.
6. The data transmission device according to claim 4, characterized in that the addressing radio transmission module is integrated on an indoor baseband processing unit BBU of the relay base station.
7. An electronic device, the electronic device comprising: a memory, a processor, wherein the memory has stored thereon a program which, when executed by the processor, implements the steps of the data transmission method according to any one of claims 1 to 3.
8. A readable storage medium, characterized in that a program is stored, which when called by a processor performs the steps of the data transmission method according to any one of claims 1 to 3.
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| CN202110905842.1A CN113645713B (en) | 2021-08-06 | 2021-08-06 | Data transmission method, device, electronic equipment and storage medium |
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| CN113645713B true CN113645713B (en) | 2024-07-12 |
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| CN106454754A (en) * | 2015-08-12 | 2017-02-22 | 成都鼎桥通信技术有限公司 | Data transmission method and broadband cluster system |
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| CN102123423A (en) * | 2011-03-25 | 2011-07-13 | 华为技术有限公司 | Communication method and base station |
| EP2753121B1 (en) * | 2012-09-10 | 2016-05-11 | Fujitsu Limited | Handovers in wireless communication systems |
| EP2930977B1 (en) * | 2014-04-07 | 2017-11-22 | Alcatel Lucent | A method for operating a base station |
| US9560573B2 (en) * | 2014-10-02 | 2017-01-31 | Qualcomm Incorporated | Relay link communication |
| CN106559798A (en) * | 2015-09-28 | 2017-04-05 | 中兴通讯股份有限公司 | A kind of radio relay method, radio repeater station and wireless relay system |
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| CN106454754A (en) * | 2015-08-12 | 2017-02-22 | 成都鼎桥通信技术有限公司 | Data transmission method and broadband cluster system |
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