CN113873527A - Signal transmission method, signal transmission device and signal transmission system - Google Patents

Signal transmission method, signal transmission device and signal transmission system Download PDF

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Publication number
CN113873527A
CN113873527A CN202010621300.7A CN202010621300A CN113873527A CN 113873527 A CN113873527 A CN 113873527A CN 202010621300 A CN202010621300 A CN 202010621300A CN 113873527 A CN113873527 A CN 113873527A
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signal
copper wire
wireless
signals
access network
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卢刘明
徐晓东
魏琪
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the present disclosure provides a signal transmission method, which includes an uplink transmission process and/or a downlink transmission process, where the downlink transmission process includes: receiving a wireless signal sent by a wireless base station, converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network; the uplink transmission process comprises the following steps: the method comprises the steps of receiving copper wire signals from a copper wire access network, converting the copper wire signals into wireless signals, and sending the wireless signals to a wireless base station. The embodiment of the disclosure also provides a signal transmission device and a signal transmission system.

Description

Signal transmission method, signal transmission device and signal transmission system
Technical Field
The disclosed embodiments relate to the field of signal transmission technologies, and in particular, to a signal transmission method, a signal transmission device, and a signal transmission system.
Background
In a conventional Fixed Wireless Access (FWA) scheme, an ODU (Out-door Unit) needs to be deployed outdoors, and an IDU (In-door Unit) needs to be deployed indoors, and a Wireless router (e.g., a mesh router) needs to be deployed In a user home, and the ODU is connected with the IDU, and the IDU is connected with the Wireless router to realize Wireless Access of a Fixed broadband user terminal. Alternatively, to implement fixed wireless access, a CPE (Customer Premise Equipment) terminal (e.g., 5G CPE) may be directly deployed in a user's home.
However, both of the above methods have a problem that the signal is difficult to cover the home of the user, especially for 5G high frequency signals, the attenuation is particularly severe when the signal passes through the wall, which affects the user experience, and the cost is high because a plurality of devices need to be redeployed.
Disclosure of Invention
The embodiment of the disclosure provides a signal transmission method, a signal transmission device and a signal transmission system.
In a first aspect, the disclosed embodiments provide a signal transmission method, which includes an uplink transmission process and/or a downlink transmission process, wherein,
the downlink transmission process comprises the following steps:
receiving a wireless signal sent by a wireless base station, converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network;
the uplink transmission process comprises the following steps:
the method comprises the steps of receiving copper wire signals from a copper wire access network, converting the copper wire signals into wireless signals, and sending the wireless signals to a wireless base station.
In some embodiments, the copper line signal is any one of:
a DSL signal;
fast signal;
mgfast signal.
In some embodiments, the wireless signal is a 5G wireless signal, or, a 4G wireless signal.
In some embodiments, the converting the wireless signal into a copper wire signal capable of being transmitted in a copper wire access network comprises:
directly converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network;
the converting the copper wire signal into a wireless signal includes:
and directly converting the copper wire signal into a wireless signal.
In some embodiments, the converting the wireless signal into a copper wire signal capable of being transmitted in a copper wire access network comprises:
converting the wireless signal into an intermediate signal, and converting the intermediate signal into a copper wire signal which can be transmitted in a copper wire access network;
the converting the copper wire signal into a wireless signal includes:
and converting the copper wire signal into an intermediate signal, and converting the intermediate signal into a wireless signal.
In some embodiments, the intermediate signal is any one of:
an Ethernet signal;
a bus signal.
In a second aspect, an embodiment of the present disclosure provides a signal transmission apparatus, which includes:
the signal processing unit is used for receiving a wireless signal sent by a wireless base station, converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network; and the wireless base station is used for receiving copper wire signals from the copper wire access network, converting the copper wire signals into wireless signals and sending the wireless signals to the wireless base station.
In some embodiments, the copper line signal is any one of: a DSL signal; fast signal; mgfast signal;
the wireless signal is a 5G wireless signal or a 4G wireless signal.
In some embodiments, the signal processing unit is an integrated structure and configured to receive a wireless signal sent by a wireless base station, directly convert the wireless signal into a copper wire signal that can be transmitted in a copper wire access network, and send the copper wire signal to the copper wire access network; and the wireless base station is used for receiving copper wire signals from the copper wire access network, directly converting the copper wire signals into wireless signals and sending the wireless signals to the wireless base station.
In some embodiments, the signal processing unit comprises a wireless signal processing module and a local signal processing module which are of a split structure; wherein the content of the first and second substances,
the wireless signal processing module is used for receiving wireless signals sent by a wireless base station, converting the wireless signals into intermediate signals and sending the intermediate signals to the local side signal processing module; the wireless base station is used for receiving the intermediate signal from the local side signal processing module, converting the intermediate signal into a wireless signal and sending the wireless signal to the wireless base station;
the central office end signal processing module is used for receiving the intermediate signal from the wireless signal processing module, converting the intermediate signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network; and the wireless signal processing module is used for receiving copper wire signals from the copper wire access network, converting the copper wire signals into intermediate signals and sending the intermediate signals to the wireless signal processing module.
In some embodiments, the third signal is any one of:
an Ethernet signal;
a bus signal.
In a third aspect, an embodiment of the present disclosure provides a signal transmission system, which includes:
any one of the signal transmission devices described above;
and the access end is connected with the signal transmission device through a copper wire access network and is used for a terminal to access.
The signal transmission method, the signal transmission device and the signal transmission system of the embodiment of the disclosure convert the wireless signal into the copper wire signal which can be transmitted in the deployed copper wire access network, on one hand, the deployed resource cost is low, on the other hand, the copper wire signal is transmitted by using the copper wire access network, the signal attenuation is weak, and the user experience is good after acquiring the signal.
Drawings
In the drawings of embodiments of the disclosure:
fig. 1 is a flowchart of a signal transmission method according to an embodiment of the disclosure;
fig. 2 is a flowchart of another signal transmission method provided in the embodiment of the present disclosure;
fig. 3 is a flowchart of another signal transmission method provided by the embodiment of the present disclosure;
fig. 4 is a schematic diagram of a signal transmission process provided by an embodiment of the disclosure;
fig. 5 is a schematic diagram of another signal transmission process provided by the embodiment of the present disclosure;
fig. 6 is a block diagram of a signal transmission apparatus according to an embodiment of the disclosure;
fig. 7 is a block diagram of another signal transmission apparatus provided in the embodiment of the present disclosure;
fig. 8 is a block diagram of a signal transmission system according to an embodiment of the disclosure.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the embodiments of the present disclosure, the signal transmission method, the signal transmission apparatus, and the signal transmission system provided in the embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The disclosed embodiments will be described more fully hereinafter with reference to the accompanying drawings, but the illustrated embodiments may be embodied in different forms and should not be construed as limited to the embodiments set forth in the disclosure. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The accompanying drawings, which are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the principles of the disclosure and not to limit the disclosure. The above and other features and advantages will become more readily apparent to those skilled in the art from the detailed description of exemplary embodiments that proceeds with reference to the accompanying drawings,
embodiments of the present disclosure may be described with reference to plan and/or cross-sectional views in light of idealized schematic illustrations of the present disclosure. Accordingly, the example illustrations can be modified in accordance with manufacturing techniques and/or tolerances.
Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the term "and/or" includes any and all combinations of one or more of the associated listed items. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "made from … …," as used in this disclosure, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Unless otherwise defined, all terms (including technical and scientific terms) used in this disclosure have the same meaning as commonly understood by one of ordinary skill in the art. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The disclosed embodiments are not limited to the embodiments shown in the drawings, but include modifications of configurations formed based on a manufacturing process. Thus, the regions illustrated in the figures have schematic properties, and the shapes of the regions shown in the figures illustrate specific shapes of regions of elements, but are not intended to be limiting.
In a first aspect, referring to fig. 1, an embodiment of the present disclosure provides a signal transmission method, which includes an uplink transmission process and/or a downlink transmission process, wherein,
the downlink transmission process comprises the following steps: s101, receiving a wireless signal sent by a wireless base station, converting the wireless signal into a copper wire signal capable of being transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network.
The uplink transmission process comprises the following steps: s102, receiving copper wire signals from a copper wire access network, converting the copper wire signals into wireless signals, and sending the wireless signals to a wireless base station.
Here, the "wireless signal" in the embodiment of the present disclosure is a signal from a "wireless base station". The "wireless base station" is called a "public mobile communication base station" as a whole, and is a communication node constituting a wide area (e.g. a city) communication network, and can transmit wireless signals covering a large range (e.g. a range with a radius of tens of meters to thousands of meters), so that terminals within the range can access the wide area communication network through the wireless signals. Thus, a "wireless base station" is obviously not a device for providing local wireless signals, e.g. it cannot be a wireless router or the like.
Accordingly, the "wireless signal" in the embodiments of the present disclosure must also be a long-range wireless signal for realizing wide-area communication, and cannot be a local-area, short-range wireless signal, i.e., cannot be a WLAN signal (e.g., a Wi-Fi signal).
The signal transmission method of the embodiment of the present disclosure is used for a signal transmission device to execute, where the signal transmission device includes a wireless interface (such as a 5G NR interface and a 4GLTE Global FDD or 4GLTE Global TDD interface) for communicating with a wireless base station, and a transmission interface connected to a copper access network, such as an xDSL (x Digital Subscriber Line) interface, and the copper access network is further connected to a terminal.
Therefore, when the method of the embodiment of the present disclosure is executed, the wireless interface of the signal transmission device receives a wireless signal (e.g., a high-frequency 5G wireless signal) from a wireless base station (e.g., a 5G wireless base station) based on a wireless backhaul mechanism and a protocol (e.g., a 5G wireless backhaul mechanism and a protocol), converts the received wireless signal into a copper wire signal (e.g., a DSL signal) that can be transmitted in a copper wire access network, and sends the copper wire signal to the copper wire access network through a transmission interface accessing the copper wire access network, where the copper wire signal can be transmitted in the copper wire access network based on a corresponding transmission mechanism (e.g., an xDSL mechanism), and finally reaches the terminal.
The process of receiving the wireless signals, converting the wireless signals into copper wire signals and sending the copper wire signals to the copper wire access network is a downlink transmission process, and the signal transmission device can also convert the copper wire signals into the wireless signals, so that the signal transmission device can also complete an uplink transmission process opposite to the downlink transmission process.
The specific uplink transmission process is as follows: the signal transmission device receives copper wire signals (essentially from a terminal) from a copper wire access network based on a transmission mechanism, converts the copper wire signals into wireless signals, and transmits the wireless signals to a wireless base station through a wireless interface based on a wireless backhaul mechanism and a protocol.
In some embodiments, the copper line signal is any one of:
a DSL signal;
fast signal;
mgfast signal.
Specifically, the above copper line access signal may be in the form of a DSL signal, a g.fast signal, a g.mgfast signal, or the like.
Among them, the DSL technology is also called xDSL technology, which is a generic name of various types of DSL (Digital Subscriber Line).
Like DSL, g.fast to subscriber terminals (Fast access to subscriber terminals) is a gigabit broadband access technology using telephone line (i.e. copper line) transmission, which can provide up to 2Gbps of total uplink and downlink bandwidth over a short distance of 250 meters or less, at a speed higher than DSL.
Mgfast (Multi-gigabit fast access to subscriber terminals) is a technology proposed by ITU-T for application scenarios such as fiber to building, fiber to roadside, and power supply for small cells after g.fast, which will have more functions than g.fast and can operate at speeds of several giga bits.
The signal transmission method of the embodiment of the disclosure can be realized based on various copper wire access networks, is not limited by the types of signals, and can be widely applied.
In some embodiments the wireless signal is a 5G wireless signal, or, a 4G wireless signal.
Specifically, the above wireless signal is a high-frequency wireless signal of 4G or 5G.
As described above, the wireless signal may be a 5G signal or a 4G signal, and if the wireless signal is a 5G signal, the signal transmission apparatus also receives a signal from the 5G wireless base station, and similarly, the interface of the signal transmission apparatus is also a 5G interface, such as a 5G NR interface; if the wireless signal is a 4G signal, the signal transmission device also receives a signal from the 4G wireless base station, and similarly, the interface of the signal transmission device is also a 4G interface, such as a 4GLTE Global FDD or 4GLTE Global TDD interface.
The signal transmission method disclosed by the embodiment of the disclosure can realize the transmission of 5G signals and 4G signals, is not limited by the types of signals, and can be widely applied.
Wherein, copper line access network can use the copper line (ordinary telephone line) access network of having already disposed in buildings such as building before, need not dispose again, and signal transmission device is connected to copper line access network one end, and other devices are connected to the other end, like the access end, therefore copper line signal passes through copper line access network and transmits to the access end.
The access terminal can be deployed in each household of the building and comprises a transmission interface connected with a copper wire access network, and the access terminal can receive copper wire signals from the signal transmission device based on a transmission mechanism; the access end also comprises an Ethernet interface connected with a terminal, and the terminal is equipment, a computer, a mobile phone, an IP television and the like which need to be subjected to fixed wireless access in each household.
The access terminal converts the copper wire signal into a terminal signal after receiving the copper wire signal through the transmission interface, and sends the terminal signal to a corresponding terminal through the Ethernet interface based on the Ethernet protocol.
Of course, the access terminal may also convert the terminal signal into a copper wire signal, so that using the signal transmission method according to the embodiment of the present disclosure, the terminal signal of the terminal may be sent to the wireless base station to implement mutual transmission of signals between the wireless base station and the terminal, that is, implement Fixed Wireless Access (FWA).
Therefore, the specific process of signal transmission between the wireless base station and the terminal is as follows: the access terminal receives a terminal signal from a terminal through an Ethernet interface based on an Ethernet protocol, converts the terminal signal into a copper wire signal and sends the copper wire signal to a signal transmission device through a copper wire access network based on a transmission protocol; the signal transmission device converts the copper wire signal from the access end into a wireless signal after receiving the copper wire signal, and transmits the wireless signal to the wireless base station through a wireless interface based on a wireless backhaul mechanism and a protocol.
Of course, the above description is of the signal uplink process, and the signal downlink process is opposite to the signal uplink process, but the direction is opposite.
That is, referring to fig. 4 and 5, a transmission channel is established between the wireless base station and the signal transmission device based on a wireless backhaul mechanism and a protocol, transmission of a wireless signal between the wireless base station and the signal transmission device is achieved, and conversion between the wireless signal and a copper wire signal is completed at the signal transmission device; a transmission channel is established between the signal transmission device and the access terminal based on a transmission mechanism, if a transmission interface is xDSL, the corresponding transmission mechanism is the xDSL mechanism (of course, g.fast/g.mgfast mechanism, etc.), so that transmission of a copper wire signal between the signal transmission device and the access terminal is realized, and conversion between the copper wire signal and a terminal signal is realized at the access terminal; a two-layer transmission channel is established between the access end and the terminal based on an Ethernet protocol, and the transmission of terminal signals between the access end and the terminal is realized.
And the wireless base stations are finally connected through a 4G/5G network signal broadband access server (BRAS), so that the channels jointly form a remote access channel between the terminal and the BRAS.
Because signal transmission device will carry out signal transmission with wireless base station, consequently can dispose signal transmission device in the place that the signal (like 5G signal) covers better, like the roof of building to promote the intensity of the radio signal who obtains, the access end is connected with signal transmission device through copper wire access network, and its signal transmission can not receive the influence that the wall body sheltered from etc. consequently can place in the place that makes things convenient for terminal connection such as indoor (like in every house). One signal transmission device may be connected to a plurality of access terminals, and one access terminal may be connected to a plurality of terminals.
The specific form of the signal transmission device is various, for example, 5G CPE can be used as a signal transmission device, and is deployed on the roof and performs mutual signal transmission with a wireless base station through sub6G or millimeter wave mmWave signals, and is simultaneously connected with an access terminal (e.g., xDSL CPE) deployed in multiple households through a copper wire access network to perform mutual transmission of copper wire signals, and a terminal in a household, such as a computer, a mobile phone, an IP television, and the like, is accessed to the xDSL CPE to perform mutual terminal signal transmission with the xDSL CPE.
The signal transmission method of the embodiment of the disclosure converts the wireless signal into the copper wire signal which can be transmitted in the deployed copper wire access network, on one hand, the deployed resource cost is low, on the other hand, the copper wire signal is transmitted by using the copper wire access network, the signal attenuation is weak, and the user experience is good after acquiring the signal.
In some embodiments, referring to fig. 2, converting the wireless signal into a copper wire signal that can be transmitted in a copper wire access network (S101) comprises: s1011, converting the wireless signal into an intermediate signal, and converting the intermediate signal into a copper wire signal which can be transmitted in a copper wire access network;
converting the copper wire signal into a wireless signal (S102) includes: and S1021, converting the copper wire signal into an intermediate signal, and converting the intermediate signal into a wireless signal.
In some embodiments, the intermediate signal is any one of: an Ethernet signal; a bus signal.
Specifically, the above intermediate signal may be an ethernet signal that can be transmitted in the ethernet (Internet); or may be a Bus signal for transmission in a Bus (Bus) of the device.
As a mode of the embodiment of the present disclosure, the signal transmission device may include a wireless signal processing module and a local side signal processing module that are separated from each other, that is, the wireless signal processing module and the local side signal processing module are two devices that are physically separated and are disposed at different positions.
Therefore, the specific process of converting the wireless signal into the copper wire signal which can be transmitted in the copper wire access network is as follows: the wireless signal processing module receives wireless signals from the wireless base station based on a wireless backhaul mechanism and a protocol, converts the received wireless signals into intermediate signals (such as Ethernet signals and bus signals), and sends the intermediate signals to the local side signal processing module; and the local side signal processing module converts the Ethernet signals into copper wire signals which can be transmitted in a copper wire access network and sends the copper wire signals to the copper wire access network based on a transmission protocol.
Similarly, the signal transmission device may convert the copper wire signal into an ethernet signal, convert the ethernet signal into a wireless signal, and transmit the wireless signal to the wireless base station. The specific process comprises the following steps: the local side signal processing module receives a copper wire signal from the access terminal based on a transmission protocol, converts the copper wire signal into an intermediate signal (such as an Ethernet signal and a bus signal), and sends the intermediate signal to the wireless signal processing module; and the wireless signal processing module converts the intermediate signal into a wireless signal and transmits the wireless signal to the wireless base station through a wireless interface of the wireless base station based on a wireless backhaul mechanism and a protocol.
The wireless signal processing module can be powered by an external wire to work, namely, locally powered, and can also be powered by the local side signal processing module based on a reverse power-on technology to work.
The wireless signal processing module comprises a wireless interface and an Ethernet interface, receives a wireless signal from the wireless base station through the wireless interface based on a wireless backhaul mechanism and a protocol, converts the received wireless signal into an Ethernet signal (or a bus signal), and sends the Ethernet signal to the local side signal processing module through the Ethernet interface based on the Ethernet protocol.
The office end signal processing module comprises an Ethernet port connected with the wireless signal processing module through an optical fiber or a five-type wire and a transmission interface accessed to a copper wire access network, receives an Ethernet signal (or a bus signal) from the wireless signal processing module through the Ethernet port based on an Ethernet protocol, converts the Ethernet signal into a copper wire signal which can be transmitted in the copper wire access network, and transmits the copper wire signal to an access end connected with the copper wire access network through the transmission interface accessed to the copper wire access network based on the transmission protocol.
Similarly, the wireless signal processing module may also convert an ethernet signal (or a bus signal) into a wireless signal, and the office signal processing module may also convert a copper wire signal into an ethernet signal (or a bus signal), so that the wireless signal processing module and the office signal processing module may also transmit the copper wire signal from the access terminal to the wireless base station. The specific process comprises the following steps: the local side signal processing module receives a copper wire signal from the access end based on a transmission port accessed to a copper wire access network, converts the copper wire signal into an Ethernet signal, and sends the Ethernet signal to the wireless signal processing module through an Ethernet interface based on an Ethernet protocol; after receiving the ethernet signal, the wireless signal processing module converts the ethernet signal into a wireless signal, and transmits the wireless signal to the wireless base station through the wireless interface thereof based on a wireless backhaul mechanism and a protocol.
In some embodiments, the ethernet signal is an ethernet signal based on L2TP technology.
Referring to fig. 5, the office side signal processing module may not only implement interconversion between ethernet signals and copper wire signals, but also implement a LAC (L2TP Access Concentrator ) function of L2TP (Layer 2Tunneling Protocol), that is, an L2TP Tunnel (Tunnel) is established with a remote LNS (L2TP Network Server ), or a copper wire signal is transmitted with the BRAS through an L2TP Tunnel.
The L2TP supports establishment of different tunnels between two endpoints for different service qualities, and provides tunnel authentication, which enhances security, so the security and flexibility of signal transmission can be increased by the office side signal processing module and the transmission channel between the BRAS and the fixed broadband terminal formed through the L2TP tunnel.
That is, referring to fig. 5, a transmission channel is established between the wireless base station and the wireless signal processing module based on a wireless backhaul mechanism and a protocol, so that transmission of a wireless signal between the wireless base station and the wireless signal processing module is realized, and conversion between the wireless signal and an ethernet signal is completed at the wireless signal processing module; a two-layer transmission channel is established between the wireless signal processing module and the local side signal processing module based on an Ethernet protocol, so that the transmission of Ethernet signals between the wireless signal processing module and the local side signal processing module is realized, and the conversion of the Ethernet signals and copper wire signals is realized at the local side signal processing module; a transmission channel is established between the office side signal processing module and the access terminal through a transmission mechanism, if a transmission interface is xDSL, the corresponding transmission mechanism is the xDSL mechanism (of course, g.fast/g.mgfast mechanism, etc.), and transmission of a copper wire signal between the office side signal processing module and the access terminal is realized.
And the wireless base stations are finally connected through a 4G/5G network signal broadband access server (BRAS), so that the channels jointly form a remote access channel between the terminal and the BRAS.
The wireless signal processing module and the local side signal processing module can be in different specific forms.
For example, the 5G CPE (customer premises equipment) can be used as a wireless signal processing module, which can be deployed on the roof to perform mutual signal transmission with a wireless base station through sub6G or millimeter wave mmWave signals, and can be deployed on the floor to perform mutual signal transmission with an xDSL DPU or g.fast DPU (xDSL or g.fast local side equipment), i.e., a local side signal processing module, through an optical fiber or five types of lines, and perform mutual signal transmission with an ethernet signal, the xDSL DPU or g.fast DPU can be deployed on the floor, and is not only connected with the 5G CPE, but also connected with the xDSL CPE or g.fast CPE (xDSL or g.fast terminal equipment, i.e., an access end) deployed in a plurality of customer homes through a copper wire access network to perform mutual transmission of copper wire signals, and a terminal in the customer homes, such as a computer, a mobile phone, an IP television, and the like, is accessed to the xDSL CPE or g.fast CPE and performs mutual transmission of terminal signals.
Because only the wireless signal processing module in the signal transmission device needs to communicate with the wireless base station, only the wireless signal processing module (e.g. 5G CPE) needs to be deployed at a place where the signal (e.g. 5G signal) is well covered, such as a roof of a building to improve the strength of the acquired wireless signal, and the local side signal processing module (e.g. xDSL DPU or g.fast DPU) can be deployed at a place such as a floor where the user activity is not affected, so that the method is easier to implement.
In some embodiments, referring to fig. 3, converting the wireless signal into a copper wire signal that can be transmitted in a copper wire access network (S101) comprises: and S1012, directly converting the wireless signals into copper wire signals capable of being transmitted in a copper wire access network.
Converting the copper wire signal into a wireless signal (S102) includes: and S1022, directly converting the copper wire signal into a wireless signal.
As another mode of the embodiment of the present disclosure, the signal transmission device may also directly implement conversion between a wireless signal and a copper wire signal. That is, when a wireless signal is converted into a copper wire signal, it does not pass through an "intermediate process", and there is no "intermediate signal"; when the wireless signal is shared, the copper wire signal is converted into the wireless signal without passing through an intermediate process, and the intermediate signal does not exist.
Therefore, the signal transmission device in this case may be of an "integral structure", that is, there is no independent wireless signal processing module and local signal processing module in terms of function or entity. Alternatively, it can be considered that the functions of the wireless signal processing module and the office side signal processing module are integrated in one device, so that an intermediate signal transmitted between the wireless signal processing module and the office side signal processing module does not need to be present therein.
For example, the product of the signal transmission device in this case is, for example, a 5G CPE, which includes a wireless interface and a transmission interface, where the transmission interface is connected to the access terminal, and the wireless interface is used for receiving a signal of a wireless base station.
The product of the signal transmission device can be powered by an external wire, namely, the local power supply, and can also be powered by an access terminal through a copper wire access network based on a reverse power-on technology to enable the product to work.
Referring to fig. 4, since the wireless signal processing module and the office signal processing module are not present (it can be considered that the functions of the wireless signal processing module and the office signal processing module are integrated into one device), the signal transmission device and the BRAS actually form an L2TP tunnel transmission channel, and since the signal transmission device is connected to the terminal, a remote access channel between the BRAS and the terminal, particularly a fixed broadband terminal, is formed through the signal transmission device.
In a second aspect, referring to fig. 6, an embodiment of the present disclosure provides a signal transmission apparatus, including:
the signal processing unit is used for receiving a wireless signal sent by the wireless base station, converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network; and the wireless base station is used for receiving the copper wire signals from the copper wire access network, converting the copper wire signals into wireless signals and sending the wireless signals to the wireless base station.
The signal transmission device of the signal transmission system of the present disclosure can implement the above signal transmission method.
The signal transmission device of the embodiment of the disclosure converts a wireless signal into a copper wire signal which can be transmitted in a deployed copper wire access network, on one hand, the deployed resource cost is low, on the other hand, the copper wire signal is transmitted by using the copper wire access network, the signal attenuation is weak, and the user experience is good after acquiring the signal.
In some embodiments, referring to fig. 6, the signal processing unit is an integrated structure and configured to receive a wireless signal sent by a wireless base station, directly convert the wireless signal into a copper wire signal that can be transmitted in a copper wire access network, and send the copper wire signal to the copper wire access network; and the wireless base station is used for receiving copper wire signals from the copper wire access network, directly converting the copper wire signals into wireless signals and sending the wireless signals to the wireless base station.
As a way of implementing the embodiments of the present disclosure, the above signal transmission device may be a unitary structure (or an integrated structure), that is, it is a separate device disposed at a location. Accordingly, the signal processing unit in the signal transmission device can directly realize the conversion between the wireless signal and the copper wire signal without generating an intermediate signal.
For example, the product of the signal transmission device in this case is, for example, a 5G CPE, which includes a wireless interface and a transmission interface, where the transmission interface is connected to the access terminal, and the wireless interface is used for receiving a signal of a wireless base station.
The product of the signal transmission device can be powered by an external wire, namely, the local power supply, and can also be powered by an access terminal through a copper wire access network based on a reverse power-on technology to enable the product to work.
In some embodiments, referring to fig. 7, the signal processing unit includes a wireless signal processing module and a local signal processing module of a split structure; wherein the content of the first and second substances,
the wireless signal processing module is used for receiving wireless signals sent by the wireless base station, converting the wireless signals into intermediate signals and sending the intermediate signals to the local side signal processing module; the wireless base station is used for receiving the intermediate signal from the local side signal processing module, converting the intermediate signal into a wireless signal and sending the wireless signal to the wireless base station;
the local side signal processing module is used for receiving the intermediate signal from the wireless signal processing module, converting the intermediate signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network; and the wireless signal processing module is used for receiving copper wire signals from the copper wire access network, converting the copper wire signals into intermediate signals and sending the intermediate signals to the wireless signal processing module.
As another mode of the embodiment of the present disclosure, the signal transmission device may be an integrated structure, that is, the signal transmission device includes a wireless signal processing module and a local side signal processing module which are separated from each other, that is, the wireless signal processing module and the local side signal processing module are two physically separated devices disposed at different positions.
Furthermore, the wireless signal processing module and the local side signal processing module should be connected in some way, for example, the 5G CPE is a wireless signal processing module, and is deployed on the roof to transmit signals with a wireless base station through sub6G or millimeter wave mmWave signals, and is further deployed on the floor to transmit signals with xDSL DPU or g.fast DPU (xDSL or g.fast local side device) through an optical fiber or five-type line, that is, the local side signal processing module performs ethernet signal mutual transmission, and the xDSL DPU or g.fast DPU can be deployed on the floor, and is not only connected with the 5G CPE, but also connected with xDSL CPEs or g.fast CPEs (xDSL or g.fast end devices, that is, access ends) deployed in multiple user homes through a copper access network.
The wireless signal processing module can be powered by an external wire to work, namely, locally powered, and can also be powered by the local side signal processing module based on a reverse power-on technology to work.
The wireless signal processing module comprises a wireless interface and an Ethernet interface, receives a wireless signal from the wireless base station through the wireless interface based on a wireless backhaul mechanism and a protocol, converts the received wireless signal into an Ethernet signal (or a bus signal), and sends the Ethernet signal to the local side signal processing module through the Ethernet interface based on the Ethernet protocol.
The office end signal processing module comprises an Ethernet port connected with the wireless signal processing module through an optical fiber or a five-type wire and a transmission interface accessed to a copper wire access network, receives an Ethernet signal (or a bus signal) from the wireless signal processing module through the Ethernet port based on an Ethernet protocol, converts the Ethernet signal into a copper wire signal which can be transmitted in the copper wire access network, and transmits the copper wire signal to an access end connected with the copper wire access network through the transmission interface accessed to the copper wire access network based on the transmission protocol.
Similarly, the wireless signal processing module may also convert an ethernet signal (or a bus signal) into a wireless signal, and the office signal processing module may also convert a copper wire signal into an ethernet signal (or a bus signal), so that the wireless signal processing module and the office signal processing module may also transmit the copper wire signal from the access terminal to the wireless base station. The specific process comprises the following steps: the local side signal processing module receives a copper wire signal from the access end based on a transmission port accessed to a copper wire access network, converts the copper wire signal into an Ethernet signal, and sends the Ethernet signal to the wireless signal processing module through an Ethernet interface based on an Ethernet protocol; after receiving the ethernet signal, the wireless signal processing module converts the ethernet signal into a wireless signal, and transmits the wireless signal to the wireless base station through the wireless interface thereof based on a wireless backhaul mechanism and a protocol.
In a third aspect, referring to fig. 8, an embodiment of the present disclosure provides a signal transmission system, including:
the signal transmission device described above;
and the access end is connected with the signal transmission device through a copper wire access network and is used for the terminal to access.
The signal transmission system comprises a signal transmission device and an access end connected with the signal transmission device through a copper wire access network, wherein a plurality of access ends can be arranged in one signal transmission system, and each access end can be connected with a plurality of terminals.
The copper wire access network connecting the signal transmission device and the access terminal can use the previously deployed copper wire (ordinary telephone wire) access network without redeployment.
The signal transmission device receives a wireless signal from a wireless base station, converts the received wireless signal into a copper wire signal which can be transmitted in a copper wire access network, and transmits the copper wire signal to an access end connected with the copper wire access network by using the copper wire access network through a transmission interface accessed to the copper wire access network; the access terminal converts the copper wire signal into a terminal signal after receiving the copper wire signal through the transmission interface, and sends the terminal signal to a corresponding terminal through the Ethernet interface by using an Ethernet protocol.
Or the access end receives a terminal signal from the terminal through the Ethernet interface, converts the terminal signal into a copper wire signal and sends the copper wire signal to the signal transmission device through the copper wire access network; the signal transmission device converts the copper wire signal from the access end into a wireless signal after receiving the copper wire signal, and transmits the wireless signal to the wireless base station through the wireless interface.
Specifically, for example, the 5G CPE is a signal transmission device, is deployed on a roof and performs mutual signal transmission with a wireless base station through sub6G or millimeter wave mmWave signals, and is connected with xDSL CPEs (xDSL terminals) deployed in multiple user homes, that is, access ends, through a copper wire access network to perform mutual transmission of copper wire signals, and terminals in the user homes, such as computers, mobile phones, IP televisions, and the like, access the xDSL CPEs and perform mutual transmission of terminal signals therewith.
The signal transmission system of the embodiment of the disclosure converts the wireless signal into the terminal signal which can be received by the terminal by using the deployed copper wire access network, on one hand, the deployed resource cost is low, and on the other hand, the signal attenuation is weak and the user experience is good due to the use of the copper wire access network copper wire signal.
In some embodiments, the terminal accesses the access terminal in a Point-to-Point Protocol Over Ethernet (PPPoE) manner.
Referring to fig. 3 and 4, the access terminal may implement a PPPoE Client (PPPoE Client) function, that is, a terminal connected to the access terminal is supported to access a remote PPPoE Server (PPPoE Server) in a PPPoE manner. Correspondingly, the local side signal processing module can realize the function of the PPPoE Server, that is, the terminal is connected to the access terminal, the access terminal is connected to the local side signal processing module, the local side signal processing module is connected to a remote network Server or a network (such as a 5G network), and finally, the access to the network in the PPPoE mode is interrupted (specifically, the terminal is connected to the signal transmission device or the local side signal processing module therein in the PPPoE mode).
Still there are a large amount of users to use the way to insert the network now, and the signal transmission system of this disclosed embodiment can be compatible with the way of PPPoE, has provided convenience for users.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation.
Some or all of the physical components may be implemented as software executed by a processor, such as a Central Processing Unit (CPU), digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, random access memory (RAM, more specifically SDRAM, DDR, etc.), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), FLASH memory (FLASH), or other disk storage; compact disk read only memory (CD-ROM), Digital Versatile Disk (DVD), or other optical disk storage; magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage; any other medium which can be used to store the desired information and which can be accessed by the computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The present disclosure has disclosed example embodiments and, although specific terms are employed, they are used and should be interpreted in a generic and descriptive sense only and not for purposes of limitation. In some instances, features, characteristics and/or elements described in connection with a particular embodiment may be used alone or in combination with features, characteristics and/or elements described in connection with other embodiments, unless expressly stated otherwise, as would be apparent to one skilled in the art. Accordingly, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the disclosure as set forth in the appended claims.

Claims (12)

1. A signal transmission method includes an uplink transmission process and/or a downlink transmission process, wherein,
the downlink transmission process comprises the following steps:
receiving a wireless signal sent by a wireless base station, converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network;
the uplink transmission process comprises the following steps:
the method comprises the steps of receiving copper wire signals from a copper wire access network, converting the copper wire signals into wireless signals, and sending the wireless signals to a wireless base station.
2. The method of claim 1, wherein the copper line signal is any one of:
a DSL signal;
fast signal;
mgfast signal.
3. The method of claim 1, wherein,
the wireless signal is a 5G wireless signal or a 4G wireless signal.
4. The method of claim 1, wherein,
the converting the wireless signal into a copper wire signal that can be transmitted in a copper wire access network comprises:
directly converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network;
the converting the copper wire signal into a wireless signal includes:
and directly converting the copper wire signal into a wireless signal.
5. The method of claim 1, wherein,
the converting the wireless signal into a copper wire signal that can be transmitted in a copper wire access network comprises:
converting the wireless signal into an intermediate signal, and converting the intermediate signal into a copper wire signal which can be transmitted in a copper wire access network;
the converting the copper wire signal into a wireless signal includes:
and converting the copper wire signal into an intermediate signal, and converting the intermediate signal into a wireless signal.
6. The method of claim 5, wherein the intermediate signal is any one of:
an Ethernet signal;
a bus signal.
7. A signal transmission device, comprising:
the signal processing unit is used for receiving a wireless signal sent by a wireless base station, converting the wireless signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network; and the wireless base station is used for receiving copper wire signals from the copper wire access network, converting the copper wire signals into wireless signals and sending the wireless signals to the wireless base station.
8. The apparatus of claim 7, wherein,
the copper wire signal is any one of the following signals: a DSL signal; fast signal; mgfast signal;
the wireless signal is a 5G wireless signal or a 4G wireless signal.
9. The apparatus of claim 7, wherein,
the signal processing unit is of an integrated structure and is used for receiving wireless signals sent by a wireless base station, directly converting the wireless signals into copper wire signals capable of being transmitted in a copper wire access network and sending the copper wire signals to the copper wire access network; and the wireless base station is used for receiving copper wire signals from the copper wire access network, directly converting the copper wire signals into wireless signals and sending the wireless signals to the wireless base station.
10. The apparatus of claim 7, wherein the signal processing unit comprises a wireless signal processing module and a local signal processing module of a split structure; wherein the content of the first and second substances,
the wireless signal processing module is used for receiving wireless signals sent by a wireless base station, converting the wireless signals into intermediate signals and sending the intermediate signals to the local side signal processing module; the wireless base station is used for receiving the intermediate signal from the local side signal processing module, converting the intermediate signal into a wireless signal and sending the wireless signal to the wireless base station;
the central office end signal processing module is used for receiving the intermediate signal from the wireless signal processing module, converting the intermediate signal into a copper wire signal which can be transmitted in a copper wire access network, and sending the copper wire signal to the copper wire access network; and the wireless signal processing module is used for receiving copper wire signals from the copper wire access network, converting the copper wire signals into intermediate signals and sending the intermediate signals to the wireless signal processing module.
11. The apparatus of claim 10, wherein the third signal is any one of:
an Ethernet signal;
a bus signal.
12. A signal transmission system, comprising:
the signal transmission device of any one of claim 7 to claim 11;
and the access end is connected with the signal transmission device through a copper wire access network and is used for a terminal to access.
CN202010621300.7A 2020-06-30 2020-06-30 Signal transmission method, signal transmission device and signal transmission system Pending CN113873527A (en)

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Application publication date: 20211231