WO2014043852A1 - Power supply system and method for microwave transmission device, and signal processing apparatus - Google Patents

Power supply system and method for microwave transmission device, and signal processing apparatus Download PDF

Info

Publication number
WO2014043852A1
WO2014043852A1 PCT/CN2012/081549 CN2012081549W WO2014043852A1 WO 2014043852 A1 WO2014043852 A1 WO 2014043852A1 CN 2012081549 W CN2012081549 W CN 2012081549W WO 2014043852 A1 WO2014043852 A1 WO 2014043852A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
speed differential
high speed
differential signal
unit
Prior art date
Application number
PCT/CN2012/081549
Other languages
French (fr)
Chinese (zh)
Inventor
王珏平
何勇
张思
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/081549 priority Critical patent/WO2014043852A1/en
Priority to CN201280002145.4A priority patent/CN103270720B/en
Publication of WO2014043852A1 publication Critical patent/WO2014043852A1/en

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the invention belongs to the field of wireless communication technologies, and in particular relates to a microwave transmission equipment power supply system and method, and a signal processing device.
  • LVDS Low Voltage Differential Signal , low-voltage differential signal
  • BBU Baseband Unit
  • RRU Remote Radio Unit
  • LVDS high-speed signal cable is also used for data communication between BBU or RRU and microwave transmission equipment to achieve BBU and RRU Wireless communication is achieved by a microwave transmission device.
  • microwave transmission device When communicating data between a BBU or RRU and a microwave transmission device, the microwave transmission device is powered by AC, DC or POE ( Power Over Ethernet , Power over Ethernet).
  • Microwave transmission equipment is generally installed outdoors (such as on a tower) or in the case of line-of-sight communication. It is relatively difficult to directly use AC or DC power supply, and the power supply cost is high.
  • microwave transmission equipment and near-end equipment collectively The BBU or RRU is a near-end device. It is connected through an Ethernet cable and can be powered by POE. POE mode power supply in IEEE802.3af
  • the normal operating voltage range of the electrical equipment is between 44 and 57V, and the current delivered to each consumer is limited to 350mA. .
  • the microwave transmission device and the near-end device are not connected via an Ethernet cable, but are connected by an LVDS high-speed cable, they can only be powered by DC or AC or DC cable.
  • An object of the embodiments of the present invention is to provide a power transmission system and method for a microwave transmission device,
  • the signal processing device is designed to solve the problem that the prior art requires special external power supply equipment and cable laying when powering the microwave transmission device, resulting in difficulty in power supply, high power supply cost, and high engineering cost.
  • the microwave transmission device power supply system includes a near end device and a microwave transmission in communication with the near end device Equipment, the system also includes a signal processing device: the signal processing device is configured to combine and separate or convert the DC signal outputted by the near-end device with the high-speed differential signal, and process the processed DC signal with a high speed The differential signal is output to the microwave transmission device.
  • the signal processing apparatus specifically includes a signal synthesizing unit and an LVDS a high-speed cable and a signal separation unit, wherein: the signal synthesizing unit is configured to synthesize a direct current signal and a high-speed differential signal output by the near-end device into a composite signal, and output the composite signal to the LVDS High speed cable; said LVDS a high speed cable for receiving and outputting the composite signal to the signal separation unit; the signal separation unit configured to separate the composite signal into a direct current signal and a high speed differential signal, and cancel the direct current signal and the The interference signal on the high-speed differential signal outputs the cancelled DC signal and the high-speed differential signal to the microwave transmission device.
  • the signal synthesizing unit specifically includes: a signal receiving unit, configured to receive a DC signal and a high-speed differential signal output by the near-end device; and a signal synthesizing sub-unit, configured to synthesize the DC signal and the high-speed differential signal into a composite a signal output unit for outputting the composite signal to the LVDS high speed cable.
  • the signal separation unit specifically includes: a signal receiving unit, configured to receive the LVDS The composite signal output by the high speed cable; the signal separation subunit is configured to separate the composite signal into a direct current signal and a high speed differential signal; and an interference cancellation unit configured to cancel interference on the direct current signal and the high speed differential signal a signal output unit configured to output the DC signal after the interference cancellation and the high speed differential signal to the microwave transmission device.
  • the signal processing apparatus specifically includes a signal first processing unit, LVDS High speed cable and signal processing unit, wherein: The signal processing unit is configured to transfer the DC signal and the high speed differential signal output by the near-end device, and output the converted DC signal and the high-speed differential signal to the LVDS high-speed cable; Said LVDS a high speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high speed differential signal to the second processing through the other cable Unit; the signal second processing unit for transferring the And outputting the DC signal of the LVDS high speed cable to the high speed differential signal, and outputting the converted DC signal and the high speed differential signal to the microwave transmission device.
  • the signal first processing unit specifically includes: a signal receiving unit, configured to receive a direct current signal and a high speed differential signal output by the near end device; and a signal first switching unit configured to perform the direct current signal and the high speed differential signal a transfer processing unit, configured to output the converted DC signal and the high speed differential signal to the LVDS high speed cable.
  • the signal second processing unit specifically includes: a signal receiving unit, configured to receive the LVDS The high-speed cable outputs the DC signal and the high-speed differential signal; the signal second switching unit is configured to perform switching processing on the DC signal and the high-speed differential signal; and a signal output unit for transferring the signal The DC signal and the high speed differential signal are output to the microwave transmission device.
  • the method for powering a microwave transmission device includes: combining and separating a DC signal outputted by a near-end device with a high-speed differential signal, or switching and reversing the connection, and processing the processed DC signal with a high-speed differential The signal is output to a microwave transmission device.
  • the step of combining and separating the DC signal outputted by the near-end device with the high-speed differential signal, and outputting the processed DC signal and the high-speed differential signal to the microwave transmission device specifically includes: the signal synthesis unit is a near-end device The output DC signal and the high speed differential signal are combined into a composite signal, and the composite signal is output to LVDS high speed cable; said LVDS The high speed cable receives and outputs the composite signal to the signal separation unit; the signal separation unit separates the composite signal into a direct current signal and a high speed differential signal, and cancels the interference signal on the direct current signal and the high speed differential signal, The DC signal and the high-speed differential signal after the interference are eliminated and output to the microwave transmission device.
  • the step of performing the switching and reversing processing on the DC signal outputted by the near-end device and the high-speed differential signal, and outputting the processed DC signal and the high-speed differential signal to the microwave transmission device includes: The unit turns to the DC signal outputted by the end device and the high speed differential signal, and outputs the converted DC signal and the high speed differential signal to LVDS high speed cable; said LVDS The high speed cable receives and outputs the direct current signal to the second processing unit through the dedicated two DC power cables, and receives and outputs the high speed differential signal to the second processing unit through the other cable; the signal The second processing unit transfers the And outputting the DC signal of the LVDS high speed cable to the high speed differential signal, and outputting the converted DC signal and the high speed differential signal to a microwave transmission device.
  • the signal processing device is configured to: combine and separate or convert the DC signal outputted by the near-end device with the high-speed differential signal, and combine the processed DC signal with the high-speed differential signal. Output to the microwave transmission device.
  • the signal processing apparatus specifically includes a signal synthesizing unit and an LVDS a high-speed cable and a signal separation unit, wherein: the signal synthesizing unit is configured to synthesize a direct current signal and a high-speed differential signal output by the near-end device into a composite signal, and output the composite signal to the LVDS High speed cable; said LVDS a high speed cable for receiving and outputting the composite signal to the signal separation unit; the signal separation unit configured to separate the composite signal into a direct current signal and a high speed differential signal, and cancel the direct current signal and the The interference signal on the high-speed differential signal will eliminate the interference DC signal and high-speed differential signal output to the microwave transmission equipment.
  • the signal processing apparatus specifically includes a signal first processing unit, LVDS High speed cable and signal processing unit, wherein: The signal processing unit is configured to: convert the DC signal outputted by the proximity device and the high speed differential signal, and output the converted DC signal and the high speed differential signal to the LVDS high speed cable; LVDS a high speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high speed differential signal to the second processing through the other cable Unit; the signal second processing unit for transferring the And outputting the DC signal of the LVDS high speed cable to the high speed differential signal, and outputting the converted DC signal and the high speed differential signal to a microwave transmission device.
  • the embodiment of the invention passes The signal processing device combines and separates or converts the DC signal outputted by the near-end device with the high-speed differential signal, and outputs the processed DC signal and the high-speed differential signal to the microwave transmission device, thereby solving the problem. Due to the prior art, when power is supplied to the microwave transmission equipment, special external power supply equipment and cable laying are required, resulting in power supply difficulties, power supply costs, and high engineering cost, which reduces power supply costs and engineering costs.
  • FIG. 1 is a structural diagram of a power supply system for a microwave transmission device according to a first embodiment of the present invention
  • FIG. 2 is a structural diagram of a power supply system for a microwave transmission device according to a second embodiment of the present invention.
  • 3(a) and 3(b) are schematic diagrams of two high-speed cables provided by an embodiment of the present invention.
  • FIG. 4 is an application scenario of a power transmission system for a microwave transmission device according to an embodiment of the present invention.
  • FIG. 5 is a structural diagram of a power supply system for a microwave transmission device according to a third embodiment of the present invention.
  • FIG. 6 is a flowchart of implementing a power supply method of a microwave transmission device according to a fourth embodiment of the present invention.
  • Fig. 7 is a structural diagram of a signal processing apparatus according to a fifth embodiment of the present invention.
  • the embodiment of the invention passes The signal processing device processes the DC signal outputted by the near-end device and the high-speed differential signal, and outputs the processed DC signal and the high-speed differential signal to the microwave transmission device, thereby realizing the power supply function of the microwave transmission device, and omitting External power supply equipment and cable laying, etc. , reducing power supply costs and engineering costs.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 1 shows a power transmission system for a microwave transmission device according to a first embodiment of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.
  • the microwave transmission device power supply system includes a near end device 11 and a microwave transmission device 13 in communication with the near end device
  • the signal processing device 12 is further included, wherein the near-end device 11 is an RRU or a BBU, and the RRU and the BBU can complete data communication through microwave line-of-sight communication:
  • the signal processing device 12 is configured for the near end device 11
  • the output DC signal is combined with the high speed differential signal and separated or switched and reversed, and the processed DC signal and the high speed differential signal are output to the microwave transmission device 13 .
  • the signal processing device 12 receives from the near end device 11
  • the output DC signal and the high-speed differential signal can combine the DC signal and the high-speed differential signal to generate a composite signal, and then pass the composite signal through LVDS.
  • the high-speed cable is outputted to a signal device corresponding to the microwave device, and the composite signal is separated and processed by the signal device to generate independent two-way signals, that is, a direct current signal and a high-speed differential signal, thereby further eliminating the direct current signal to the high-speed differential signal. Interference, eliminating the interference of the high-speed differential signal to the DC signal, and transmitting and removing the interference DC signal and the high-speed differential signal to the microwave transmission device 13 in.
  • the DC signal and the high-speed differential signal can also be transferred to achieve signal impedance matching, interference cancellation between signals, etc., and then the converted DC signal and high-speed differential signal are passed through LVDS.
  • the high-speed cable is outputted to the signal device corresponding to the microwave device, and the received DC signal and the high-speed differential signal are again transferred by the signal device, and the processed DC signal and the high-speed differential signal are transmitted to the microwave transmission device.
  • Final microwave transmission equipment 13 Receiving a DC signal and a high-speed differential signal realizes the function of supplying power to the DC signal, thereby solving the problem that the existing power supply technology requires additional power supply equipment and power supply cables, resulting in high power supply cost and engineering cost.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 2 shows a power transmission system for a microwave transmission device according to a second embodiment of the present invention.
  • the structure of the signal processing apparatus is specifically described based on the above-described first embodiment. For the convenience of description, only the parts related to the embodiment of the present invention are shown.
  • the signal processing device in the power transmission system of the microwave transmission device specifically includes a signal synthesizing unit 21 and an LVDS high speed cable 22 And a signal separation unit 23, wherein:
  • Signal synthesis unit 21 The DC signal outputted by the near-end device and the high-speed differential signal are combined into a composite signal, and the composite signal is output to the LVDS high-speed cable.
  • the signal synthesizing unit 21 specifically includes:
  • a signal receiving unit 211 configured to receive a DC signal and a high-speed differential signal output by the near-end device
  • a signal synthesizing subunit 212 configured to synthesize the direct current signal and the high speed differential signal into a composite signal
  • the signal output unit 213 is configured to output the composite signal to the LVDS high speed cable.
  • the signal receiving unit 211 or the input plug-in receives the RRU or the BBU.
  • DC signal and high speed differential signal, signal synthesis subunit 212 The DC signal and the high-speed differential signal from the input plug-in are combined to generate a composite signal through an existing signal composite operation, and output to the LVDS high-speed cable through the signal synthesizing sub-unit 212 or the output plug-in. twenty two .
  • the input plug-in and the output plug-in have impedance matching function, anti-static function, and good shielding and insulation performance between the plug-in pins.
  • the LVDS high speed cable 22 is configured to receive and output the composite signal to the signal separation unit.
  • FIG. 3( a ) is a schematic diagram of a high-speed cable used in an embodiment of the present invention. In this case, six cables are used, and the LVDS is used. There is no need to add a dedicated DC transmission line in the high-speed cable. The DC signal and the high-speed differential signal are transmitted on the same transmission cable, that is, there is no need to increase the dedicated pin of the DC signal, and the cost is relatively low.
  • Signal separation unit 23 And separating the composite signal into a DC signal and a high-speed differential signal, and eliminating the DC signal and the interference signal on the high-speed differential signal, and outputting the DC signal and the high-speed differential signal after the interference are eliminated to the microwave transmission device.
  • the signal separation unit 23 specifically includes:
  • a signal receiving unit 231, configured to receive the composite signal output by the LVDS high speed cable
  • a signal separation sub-unit 232 configured to separate the composite signal into a direct current signal and a high-speed differential signal
  • An interference cancellation unit 233 configured to cancel the DC signal and the interference signal on the high speed differential signal
  • the signal output unit 234 is configured to output the DC signal after the interference cancellation and the high speed differential signal to the microwave transmission device.
  • the signal receiving unit 231 or the input terminal is received from the LVDS high speed cable 22
  • the composite signal, the signal separation sub-unit 232 separates the composite signal into a high-speed differential signal and a direct current signal (specific signal separation techniques are not limited), and passes through the interference cancellation unit 233. Eliminating the interference of the DC signal to the high-speed differential signal and the interference of the high-speed differential signal to the DC signal, forming a high-speed differential signal and a DC signal without interference, and the signal output unit 234 Or the output plug-in sends the separated high-speed differential signal and DC signal after interference to the microwave transmission device.
  • the input plug-in and the output plug-in have impedance matching function, anti-static function, and the plug-in pins are very good. Shielding and insulation properties.
  • the data communication is completed by microwave line-of-sight communication, as shown in Figure 4.
  • the application scenario based on the high-speed cable remote power supply system is shown.
  • the voltage of the remote power supply of the high-speed cable is determined according to the actual needs and the capability of the cable insulation shielding, and the current of the power supply is determined according to the needs of the remote module and the flow capacity of the cable.
  • the distance of high-speed cable power supply is mainly limited by the transmission distance of high-speed signals. By increasing the wire diameter and increasing the voltage, the distance of the power supply can be increased.
  • the signal synthesizing unit 21, the LVDS high speed cable 22, and the signal separating unit 23 are passed.
  • the microwave transmission device can use the received DC signal as the power supply signal to realize the communication of the near-end device, eliminating the external power supply device and cable laying of the microwave device, solving the problem of power supply difficulty of the microwave transmission device, and reducing the problem. Power supply costs and engineering costs for microwave transmission equipment.
  • Signal synthesis unit in the embodiment of the invention 21, the signal separation unit 23 can be used as a separate device, and the signal synthesis unit 21 can be integrated into the near-end device, and the signal separation unit 23 It is integrated into the microwave transmission device to further reduce the system cost, which is not limited herein.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • FIG. 5 shows a power transmission system for a microwave transmission device according to a third embodiment of the present invention.
  • the structure of the signal processing apparatus is specifically described based on the above-described first embodiment. For the convenience of description, only the parts related to the embodiment of the present invention are shown.
  • the signal processing device in the microwave transmission device power supply system specifically includes a signal first processing unit 51 and an LVDS high speed cable 52. And a signal second processing unit 53 wherein:
  • the DC signal and the high-speed differential signal outputted by the proximity device are output, and the transferred DC signal and the high-speed differential signal are output to the LVDS high-speed cable.
  • the signal first processing unit 51 specifically includes:
  • a signal receiving unit 511 configured to receive a direct current signal and a high speed differential signal output by the near end device
  • a signal first switching unit 512 configured to perform a transfer process on the direct current signal and the high speed differential signal
  • a signal output unit 513 configured to output the converted DC signal and the high speed differential signal to the LVDS High speed cable.
  • the signal receiving unit 511 or the input plug-in receives the RRU or the BBU.
  • the DC signal and the high-speed differential signal, the signal first switching unit 512 transfers the DC signal from the input plug-in and the high-speed differential signal to achieve the functions of impedance matching, anti-interference, etc., through the signal output unit 513 Or the output plug-in output is transferred to the LVDS high-speed cable 52.
  • Both the input plug-in and the output plug-in have impedance matching function, anti-static function, and good shielding and insulation performance between the plug-in pins.
  • LVDS high speed cable 52 And receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high-speed differential signal to the second processing unit by using the other cable.
  • the high speed differential signal passes through the Tx-, Tx+, Rx+ of the LVDS high speed cable 52 or Rx- to transfer.
  • FIG. 3(b) is a schematic diagram of a high-speed cable used in the embodiment of the present invention, and the cable used at this time is 8 Root, the two internal cables are dedicated DC signal transmission lines, and shield protection between DC signals and high-speed differential signals is required, and the LVDS is required.
  • the connectors at both ends of the high speed cable add dedicated pins for DC signals.
  • the LVDS The DC signal in the high-speed cable has less interference to the high-speed differential signal, and the DC power supply capability can be relatively large.
  • the arrangement of the DC power supply pins is based on the principle that the direct current signal and the high-speed differential signal have the minimum interference, and the consideration is not conducive to engineering practice considerations.
  • the high-speed cable outputs the DC signal and the high-speed differential signal, and outputs the transferred DC signal and the high-speed differential signal to the microwave transmission device.
  • the second processing unit 53 of the signal specifically includes:
  • a signal receiving unit 531 configured to receive the DC signal output by the LVDS high speed cable and the high speed differential signal
  • a signal second switching unit 532 configured to perform a transfer process on the direct current signal and the high speed differential signal
  • the signal output unit 533 is configured to output the converted DC signal and the high speed differential signal to the microwave transmission device.
  • the signal receiving unit 531 or the input terminal is received from the LVDS high speed cable 52.
  • the output DC signal and the high speed differential signal, the signal second switching unit 532 switches the high speed differential signal and the DC signal, and delivers the high speed differential signal and the DC signal to the signal output unit 533 Or the output plug-in, the output plug-in delivers high-speed differential signals and DC signals to the microwave transmission device.
  • the transfer processing operation is not limited to a specific transfer and other technical means to achieve functions such as impedance matching and anti-interference, and the input and output plug-ins have an impedance matching function, an anti-static function, and a good inter-pin pin. Shielding and insulation properties.
  • the signal first processing unit 51 and the signal second processing unit 53 Not only can it be used as a stand-alone device, but also the signal first processing unit 51 can be integrated into the near-end device, and the signal second processing unit 53 It is integrated into the microwave transmission device to further reduce the system cost, which is not limited herein.
  • the power transmission system of the microwave transmission device provided by the embodiment of the present invention mainly passes through the LVDS.
  • a dedicated DC signal transmission line is added to the high-speed cable to transmit the DC signal of the near-end device to the corresponding microwave transmission device for remote power supply, thereby achieving the purpose of reducing the remote power supply cost of the microwave transmission device.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • FIG. 6 shows a method for powering a microwave transmission device according to a fourth embodiment of the present invention
  • the implementation process of the present invention is mainly based on the power supply method implemented by the power transmission system of the microwave transmission device in the foregoing embodiment, which is described in detail as follows:
  • step S601 The DC signal outputted by the near-end device and the high-speed differential signal are combined and separated or switched and reversed, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device.
  • step S601 Specifically, if the DC signal outputted by the near-end device is combined and separated by the high-speed differential signal, step S601 Specifically, the following steps are included:
  • the signal synthesizing unit synthesizes the DC signal outputted by the near-end device and the high-speed differential signal into a composite signal, and outputs the composite signal to the LVDS High speed cable
  • the LVDS high speed cable receives and outputs the composite signal to the signal separation unit;
  • the signal separating unit separates the composite signal into a direct current signal and a high-speed differential signal, and eliminates the direct current signal and the interference signal on the high-speed differential signal, and outputs the canceled direct current signal and the high-speed differential signal to the microwave transmission device.
  • the input plug-in of the signal synthesizing unit receives the RRU or BBU.
  • the direct current signal and the high speed differential signal, the direct current signal and the high speed differential signal are combined into one composite signal, and output to the LVDS through the output plug of the signal synthesizing unit.
  • High-speed cable, input plug-in for signal separation unit receives from LVDS
  • the composite signal output from the high-speed cable separates and obtains the high-speed differential signal and the DC signal, and passes through the preset interference cancellation module to eliminate the interference of the DC signal to the high-speed differential signal and the interference of the high-speed differential signal to the DC signal, and separate and eliminate the interference.
  • the high-speed differential signal and the direct current signal are sent to the microwave transmission device via the output plug-in, so that the microwave transmission device can supply power to itself according to the received DC signal without using other external power supply devices.
  • step S601 Specifically, if the DC signal outputted by the near-end device and the high-speed differential signal are transferred and reversed, step S601 Specifically, the following steps are included:
  • the first processing unit of the signal is turned to the DC signal and the high-speed differential signal outputted by the end device, and the converted DC signal and the high-speed differential signal are output to the LVDS high-speed cable;
  • the LVDS The high-speed cable receives and outputs the DC signal to the second processing unit through the dedicated two DC power cables, and receives and outputs the high-speed differential signal to the second processing unit through the other cable;
  • the signal second processing unit transfers the LVDS
  • the DC signal output by the high speed cable and the high speed differential signal, and the converted DC signal and the high speed differential signal are output to the microwave transmission device.
  • the input plug-in of the signal first processing unit receives from the RRU or BBU
  • the DC signal and the high-speed differential signal are used to transfer the DC signal from the input plug-in and the high-speed differential signal, and output to the LVDS through the corresponding output plug-in. Transfer in high speed cable.
  • the input plug-in of the signal second processing unit receives the LVDS from the LVDS
  • the signal output by the high-speed cable, and the high-speed differential signal and the direct current signal are transferred, and the high-speed differential signal and the direct current signal are sent to the output plug-in of the second processing unit of the signal, and the final output plug-in transmits the high-speed differential signal and the direct current signal to the microwave transmission.
  • the device, and thus, the microwave transmission device is capable of supplying power to itself based on the received DC signal without using other external power supply devices.
  • Embodiments of the present invention provide a method for supplying power to a microwave transmission device,
  • the DC signal outputted by the near-end device and the high-speed differential signal are combined and separated or switched and reversed, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device, thereby realizing power supply to the microwave transmission device. Purpose, and reduce power supply costs and engineering costs .
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • FIG. 7 shows a signal processing device according to a fifth embodiment of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.
  • the signal processing device 71 The DC signal and the high-speed differential signal outputted by the near-end device are combined and separated or switched and reverse-connected, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device.
  • the signal processing device 71 The near-end device and the microwave transmission device respectively correspond to the signal processing device, the near-end device, and the microwave transmission device in the foregoing embodiments, and are not described herein again.
  • the signal processing device 71 may include a signal synthesizing unit 711 and an LVDS high speed cable 712. And a signal separation unit 713, wherein:
  • the signal synthesizing unit 711 , the DC signal outputted by the near-end device and the high-speed differential signal are combined into a composite signal, and the composite signal is output to the LVDS high-speed cable 712;
  • the LVDS high speed cable 712 is configured to receive and output the composite signal to the signal separation unit 713;
  • the signal separation unit 713 The utility model is configured to separate the composite signal into a direct current signal and a high-speed differential signal, and eliminate the interference signal on the direct current signal and the high-speed differential signal, and output the canceled direct current signal and the high-speed differential signal to the microwave transmission device.
  • the signal processing device 71 further includes a signal first processing unit, an LVDS high speed cable, and a signal second processing unit, wherein :
  • the signal processing unit is configured to: convert the DC signal outputted by the proximity device and the high speed differential signal, and output the converted DC signal and the high speed differential signal to the LVDS high speed cable;
  • the LVDS a high-speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high-speed differential signal to the second processing unit by the other cable;
  • a second processing unit for transmitting the LVDS
  • the DC signal output by the high speed cable and the high speed differential signal, and the converted DC signal and the high speed differential signal are output to the microwave transmission device.
  • the signal synthesizing unit 711, the LVDS high speed cable 712, and the signal separating unit 713 Corresponding to the signal synthesizing unit 21, the LVDS high-speed cable 22, and the signal separating unit 23 described in the above second embodiment, the signal first processing unit, LVDS The high speed cable and the signal second processing unit are respectively associated with the signal first processing unit 51, the LVDS high speed cable 52, and the signal second processing unit 53 described in the third embodiment above. One-to-one correspondence will not be repeated here.
  • the DC signal outputted by the near-end device and the high-speed differential signal are processed by the signal processing device, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device.
  • the function of supplying power to the microwave transmission device itself is realized, thereby solving the problem that the existing power supply technology requires additional power supply equipment and power supply cables, resulting in high power supply cost and engineering cost.
  • Embodiments of the present invention pass a signal processing device to a BBU or RRU
  • the output DC signal and the high-speed differential signal are processed and transmitted to the corresponding microwave transmission device through the high-speed cable, which solves the problem of difficulty in supplying power to the microwave transmission device, and the power supply cost and the engineering cost are high.
  • the problem is that the existing external equipment and corresponding cables for powering the microwave transmission equipment are omitted, and the power supply cost and engineering cost of the microwave transmission equipment are reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

The present invention is applicable to the technical field of wireless communications, and provided are a power supply system and method for a microwave transmission device, and a signal processing apparatus. The system includes a near-end device, and a microwave transmission device communicating with the near-end device. The system also includes: a signal processing apparatus, for performing combination and separation or transfer and reverse transfer processing on a direct current electrical signal and a high-speed differential signal output from the near-end device, and outputting the processed direct current electrical signal and the high-speed differential signal to the microwave transmission device. The present invention transmits a data signal from a near-end device to a microwave transmission device, also can transmit a direct current electrical signal from the near-end device to the microwave transmission device to realize the power supply to the microwave transmission device, omits the external power supply cable and device of an existing microwave transmission device, and saves the power supply cost and the like.

Description

一种微波传输设备供电系统及方法、信号处理装置 Microwave transmission equipment power supply system and method, and signal processing device 技术领域Technical field
本发明属于无线通信技术领域,尤其涉及一种 微波传输设备供电系统 及 方法 、 信号处理装置 。  The invention belongs to the field of wireless communication technologies, and in particular relates to a microwave transmission equipment power supply system and method, and a signal processing device.
背景技术Background technique
目前, LVDS ( Low Voltage Differential Signal ,低压差分信号)高速信号电缆广泛应用于无线基站的 BBU ( Baseband Unit ,基带单元)与 RRU ( Remote Radio Unit ,射频单元)之间相互通信。除此之外, LVDS 高速信号电缆还应用于 BBU 或 RRU 与微波传输设备间的数据通信,以实现 BBU 与 RRU 通过微波传输设备实现无线通信。 Currently, LVDS (Low Voltage Differential Signal , low-voltage differential signal) high-speed signal cable is widely used in BBU (Baseband Unit) and RRU (Remote Radio Unit) of wireless base stations , RF units) communicate with each other. In addition, LVDS high-speed signal cable is also used for data communication between BBU or RRU and microwave transmission equipment to achieve BBU and RRU Wireless communication is achieved by a microwave transmission device.
在 BBU 或 RRU 与微波传输设备之间的数据通信时,微波传输设备供电是采用交流,直流或 POE ( Power Over Ethernet ,以太网供电)供电。微波传输设备一般安装在室外(如塔上等)或有利于视距通信的场合,直接用交流或直流供电相对比较困难,且供电成本较高。如果微波传输设备与近端设备(统称 BBU 或 RRU 为近端设备)通过以太网网线连接,可以采用 POE 方式供电。 POE 方式供电在 IEEE802.3af 标准上有明确的定供:电设备正常操作电压范围在 44 ~ 57V 之间,传输给每个用电设备的电流限制在 350mA 。如果微波传输设备与近端设备不是通过以太网线连接,而是用 LVDS 高速线缆连接,目前只能用直流或交流或直流电缆供电。 When communicating data between a BBU or RRU and a microwave transmission device, the microwave transmission device is powered by AC, DC or POE ( Power Over Ethernet , Power over Ethernet). Microwave transmission equipment is generally installed outdoors (such as on a tower) or in the case of line-of-sight communication. It is relatively difficult to directly use AC or DC power supply, and the power supply cost is high. If microwave transmission equipment and near-end equipment (collectively The BBU or RRU is a near-end device. It is connected through an Ethernet cable and can be powered by POE. POE mode power supply in IEEE802.3af There is a clear standard in the standard: the normal operating voltage range of the electrical equipment is between 44 and 57V, and the current delivered to each consumer is limited to 350mA. . If the microwave transmission device and the near-end device are not connected via an Ethernet cable, but are connected by an LVDS high-speed cable, they can only be powered by DC or AC or DC cable.
技术问题technical problem
本发明实施例的目的在于提供 一种 微波传输设备供电系统 及 方法 、 信号处理装置,旨在解决由于现有技术在给微波传输设备供电时,需要利用专门的外部供电设备及电缆铺设,导致供电困难,供电成本和工程成本高 的问题。  An object of the embodiments of the present invention is to provide a power transmission system and method for a microwave transmission device, The signal processing device is designed to solve the problem that the prior art requires special external power supply equipment and cable laying when powering the microwave transmission device, resulting in difficulty in power supply, high power supply cost, and high engineering cost.
技术解决方案Technical solution
第一方面,所述微波传输设备供电系统 包括 近端设备 ,以及与所述 近端设备 通信的微波 传输 设备,所述系统还包括 信号处理装置:所述信号处理装置,用于对所述近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至所述微波传输设备。 In a first aspect, the microwave transmission device power supply system includes a near end device and a microwave transmission in communication with the near end device Equipment, the system also includes a signal processing device: the signal processing device is configured to combine and separate or convert the DC signal outputted by the near-end device with the high-speed differential signal, and process the processed DC signal with a high speed The differential signal is output to the microwave transmission device.
在第一方面的第一种可能的实现方式中, 所述信号处理装置具体包括信号合成单元、 LVDS 高速电缆以及信号分离单元,其中 : 所述信号合成单元,用于将所述近端设备输出的直流电信号与高速差分信号合成为复合信号,并将所述复合信号输出至所述 LVDS 高速电缆;所述 LVDS 高速电缆,用于接收并输出所述复合信号至所述信号分离单元;所述信号分离单元,用于将所述复合信号分离为直流电信号与高速差分信号,并消除所述直流电信号与所述高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至所述微波传输设备。 In a first possible implementation manner of the first aspect, the signal processing apparatus specifically includes a signal synthesizing unit and an LVDS a high-speed cable and a signal separation unit, wherein: the signal synthesizing unit is configured to synthesize a direct current signal and a high-speed differential signal output by the near-end device into a composite signal, and output the composite signal to the LVDS High speed cable; said LVDS a high speed cable for receiving and outputting the composite signal to the signal separation unit; the signal separation unit configured to separate the composite signal into a direct current signal and a high speed differential signal, and cancel the direct current signal and the The interference signal on the high-speed differential signal outputs the cancelled DC signal and the high-speed differential signal to the microwave transmission device.
结合第一方面的第一种可能的实现方式,在第二种可能的实现方式中, 所述信号合成单元具体包括:信号接收单元,用于接收所述近端设备输出的直流电信号与高速差分信号;信号合成子单元,用于将所述直流电信号与所述高速差分信号合成为复合信号;信号输出单元,用于将所述复合信号输出至所述 LVDS 高速电缆。 In conjunction with the first possible implementation of the first aspect, in a second possible implementation, The signal synthesizing unit specifically includes: a signal receiving unit, configured to receive a DC signal and a high-speed differential signal output by the near-end device; and a signal synthesizing sub-unit, configured to synthesize the DC signal and the high-speed differential signal into a composite a signal output unit for outputting the composite signal to the LVDS high speed cable.
结合第一方面的第一种可能的实现方式,在第三种可能的实现方式中, 所述信号分离单元具体包括:信号接收单元,用于接收所述 LVDS 高速电缆输出的所述复合信号;信号分离子单元,用于将所述复合信号分离为直流电信号与高速差分信号;干扰消除单元,用于消除所述直流电信号与所述高速差分信号上的干扰信号;信号输出单元,用于将消除干扰后的直流电信号与高速差分信号输出至所述微波传输设备。 In conjunction with the first possible implementation of the first aspect, in a third possible implementation, The signal separation unit specifically includes: a signal receiving unit, configured to receive the LVDS The composite signal output by the high speed cable; the signal separation subunit is configured to separate the composite signal into a direct current signal and a high speed differential signal; and an interference cancellation unit configured to cancel interference on the direct current signal and the high speed differential signal a signal output unit configured to output the DC signal after the interference cancellation and the high speed differential signal to the microwave transmission device.
在第一方面的第四种可能的实现方式中, 所述信号处理装置具体包括信号第一处理单元、 LVDS 高速电缆以及信号第二处理单元,其中 : 所述信号第一处理单元,用于转接所述近端设备输出的直流电信号与高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至所述 LVDS 高速电缆;所述 LVDS 高速电缆,用于通过专用的两根直流电源线缆接收并输出所述直流电信号至所述信号第二处理单元,并通过其他线缆接收并输出所述高速差分信号至所述信号第二处理单元;所述信号第二处理单元,用于转接所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至所述微波传输设备。 In a fourth possible implementation manner of the first aspect, the signal processing apparatus specifically includes a signal first processing unit, LVDS High speed cable and signal processing unit, wherein: The signal processing unit is configured to transfer the DC signal and the high speed differential signal output by the near-end device, and output the converted DC signal and the high-speed differential signal to the LVDS high-speed cable; Said LVDS a high speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high speed differential signal to the second processing through the other cable Unit; the signal second processing unit for transferring the And outputting the DC signal of the LVDS high speed cable to the high speed differential signal, and outputting the converted DC signal and the high speed differential signal to the microwave transmission device.
结合第一方面的第四种可能的实现方式,在第五种可能的实现方式中,所述 信号第一处理单元具体包括:信号接收单元,用于接收所述近端设备输出的直流电信号与高速差分信号;信号第一转接单元,用于对所述直流电信号与所述高速差分信号进行转接处理;信号输出单元,用于将转接后的所述直流电信号与所述高速差分信号输出至所述 LVDS 高速电缆。 In conjunction with the fourth possible implementation of the first aspect, in a fifth possible implementation, The signal first processing unit specifically includes: a signal receiving unit, configured to receive a direct current signal and a high speed differential signal output by the near end device; and a signal first switching unit configured to perform the direct current signal and the high speed differential signal a transfer processing unit, configured to output the converted DC signal and the high speed differential signal to the LVDS high speed cable.
结合第一方面的第四种可能的实现方式,在第六种可能的实现方式中,所述 信号第二处理单元具体包括:信号接收单元,用于接收所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号;信号第二转接单元,用于对所述直流电信号与所述高速差分信号进行转接处理;信号输出单元,用于将转接后的所述直流电信号与所述高速差分信号输出至所述微波传输设备。 In conjunction with the fourth possible implementation of the first aspect, in a sixth possible implementation, The signal second processing unit specifically includes: a signal receiving unit, configured to receive the LVDS The high-speed cable outputs the DC signal and the high-speed differential signal; the signal second switching unit is configured to perform switching processing on the DC signal and the high-speed differential signal; and a signal output unit for transferring the signal The DC signal and the high speed differential signal are output to the microwave transmission device.
第二方面,所述微波传输设备供电方法包括:对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备。 In a second aspect, the method for powering a microwave transmission device includes: combining and separating a DC signal outputted by a near-end device with a high-speed differential signal, or switching and reversing the connection, and processing the processed DC signal with a high-speed differential The signal is output to a microwave transmission device.
在第二方面的第一种可能的实现方式中, 所述对近端设备输出的直流电信号与高速差分信号进行复合及分离处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备的步骤具体包括:信号合成单元将近端设备输出的直流电信号与高速差分信号合成为复合信号,并将所述复合信号输出至 LVDS 高速电缆;所述 LVDS 高速电缆接收并输出所述复合信号至信号分离单元;所述信号分离单元将所述复合信号分离为直流电信号与高速差分信号,消除所述直流电信号与所述高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至微波传输设备。 In a first possible implementation of the second aspect, The step of combining and separating the DC signal outputted by the near-end device with the high-speed differential signal, and outputting the processed DC signal and the high-speed differential signal to the microwave transmission device specifically includes: the signal synthesis unit is a near-end device The output DC signal and the high speed differential signal are combined into a composite signal, and the composite signal is output to LVDS high speed cable; said LVDS The high speed cable receives and outputs the composite signal to the signal separation unit; the signal separation unit separates the composite signal into a direct current signal and a high speed differential signal, and cancels the interference signal on the direct current signal and the high speed differential signal, The DC signal and the high-speed differential signal after the interference are eliminated and output to the microwave transmission device.
在第二方面的第二种可能的实现方式中, 所述对近端设备输出的直流电信号与高速差分信号进行转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备的步骤具体包括:信号第一处理单元转接近端设备输出的直流电信号与高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至 LVDS 高速电缆;所述 LVDS 高速电缆通过专用的两根直流电源线缆接收并输出所述直流电信号至信号第二处理单元,并通过其他线缆接收并输出所述高速差分信号至所述信号第二处理单元;所述信号第二处理单元转接所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至微波传输设备。 In a second possible implementation of the second aspect, The step of performing the switching and reversing processing on the DC signal outputted by the near-end device and the high-speed differential signal, and outputting the processed DC signal and the high-speed differential signal to the microwave transmission device includes: The unit turns to the DC signal outputted by the end device and the high speed differential signal, and outputs the converted DC signal and the high speed differential signal to LVDS high speed cable; said LVDS The high speed cable receives and outputs the direct current signal to the second processing unit through the dedicated two DC power cables, and receives and outputs the high speed differential signal to the second processing unit through the other cable; the signal The second processing unit transfers the And outputting the DC signal of the LVDS high speed cable to the high speed differential signal, and outputting the converted DC signal and the high speed differential signal to a microwave transmission device.
第三方面,所述信号处理装置用于:对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备。 In a third aspect, the signal processing device is configured to: combine and separate or convert the DC signal outputted by the near-end device with the high-speed differential signal, and combine the processed DC signal with the high-speed differential signal. Output to the microwave transmission device.
在第三方面的第一种可能的实现方式中, 所述信号处理装置具体包括信号合成单元、 LVDS 高速电缆以及信号分离单元,其中 : 所述信号合成单元,用于将近端设备输出的直流电信号与高速差分信号合成为复合信号,并将所述复合信号输出至所述 LVDS 高速电缆;所述 LVDS 高速电缆,用于接收并输出所述复合信号至所述信号分离单元;所述信号分离单元,用于将所述复合信号分离为直流电信号与高速差分信号,并消除所述直流电信号与所述高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至微波传输设备。 In a first possible implementation manner of the third aspect, the signal processing apparatus specifically includes a signal synthesizing unit and an LVDS a high-speed cable and a signal separation unit, wherein: the signal synthesizing unit is configured to synthesize a direct current signal and a high-speed differential signal output by the near-end device into a composite signal, and output the composite signal to the LVDS High speed cable; said LVDS a high speed cable for receiving and outputting the composite signal to the signal separation unit; the signal separation unit configured to separate the composite signal into a direct current signal and a high speed differential signal, and cancel the direct current signal and the The interference signal on the high-speed differential signal will eliminate the interference DC signal and high-speed differential signal output to the microwave transmission equipment.
在第三方面的第二种可能的实现方式中, 所述信号处理装置具体包括信号第一处理单元、 LVDS 高速电缆以及信号第二处理单元,其中 : 所述信号第一处理单元,用于转接近端设备输出的直流电信号与高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至所述 LVDS 高速电缆;所述 LVDS 高速电缆,用于通过专用的两根直流电源线缆接收并输出所述直流电信号至所述信号第二处理单元,并通过其他线缆接收并输出所述高速差分信号至所述信号第二处理单元;所述信号第二处理单元,用于转接所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至微波传输设备。 In a second possible implementation manner of the third aspect, the signal processing apparatus specifically includes a signal first processing unit, LVDS High speed cable and signal processing unit, wherein: The signal processing unit is configured to: convert the DC signal outputted by the proximity device and the high speed differential signal, and output the converted DC signal and the high speed differential signal to the LVDS high speed cable; LVDS a high speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high speed differential signal to the second processing through the other cable Unit; the signal second processing unit for transferring the And outputting the DC signal of the LVDS high speed cable to the high speed differential signal, and outputting the converted DC signal and the high speed differential signal to a microwave transmission device.
有益效果Beneficial effect
本发明实施例通过 信号处理装置对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将处理后的直流电信号与高速差分信号输出至微波传输设备, 解决了 由于现有技术在给微波传输设备供电时,需要利用专门的外部供电设备及电缆铺设,导致供电困难,供电成本和工程成本高 的问题,使得 供电成本和工程成本得到降低 。 The embodiment of the invention passes The signal processing device combines and separates or converts the DC signal outputted by the near-end device with the high-speed differential signal, and outputs the processed DC signal and the high-speed differential signal to the microwave transmission device, thereby solving the problem. Due to the prior art, when power is supplied to the microwave transmission equipment, special external power supply equipment and cable laying are required, resulting in power supply difficulties, power supply costs, and high engineering cost, which reduces power supply costs and engineering costs.
附图说明DRAWINGS
图 1 是本发明第一实施例提供的 微波传输设备供电系统 的结构图; 1 is a structural diagram of a power supply system for a microwave transmission device according to a first embodiment of the present invention;
图 2 是本发明第二实施例提供的 微波传输设备供电系统 的结构图; 2 is a structural diagram of a power supply system for a microwave transmission device according to a second embodiment of the present invention;
图 3 ( a )、 3 ( b )是本发明实施例提供的两种 高速线缆示意图; 3(a) and 3(b) are schematic diagrams of two high-speed cables provided by an embodiment of the present invention;
图 4 是本发明实施例提供的 微波传输设备供电系统的应用场景; 4 is an application scenario of a power transmission system for a microwave transmission device according to an embodiment of the present invention;
图 5 是本发明第三实施例提供的 微波传输设备供电系统 的结构图; 5 is a structural diagram of a power supply system for a microwave transmission device according to a third embodiment of the present invention;
图 6 是本发明第四实施例提供的 微波传输设备供电方法 的实现流程图; 6 is a flowchart of implementing a power supply method of a microwave transmission device according to a fourth embodiment of the present invention;
图 7 是本发明第五实施例提供的 信号处理装置 的结构图。 Fig. 7 is a structural diagram of a signal processing apparatus according to a fifth embodiment of the present invention.
本发明的实施方式Embodiments of the invention
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。 The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
本发明实施例通过 信号处理装置,将近端设备输出的直流电信号与高速差分信号进行处理,并将处理后的直流电信号与高速差分信号输出至微波传输设备,实现了对该微波传输设备的供电功能,且省去了外部供电设备和电缆的铺设等 ,降低了 供电成本和工程成本 。 The embodiment of the invention passes The signal processing device processes the DC signal outputted by the near-end device and the high-speed differential signal, and outputs the processed DC signal and the high-speed differential signal to the microwave transmission device, thereby realizing the power supply function of the microwave transmission device, and omitting External power supply equipment and cable laying, etc. , reducing power supply costs and engineering costs.
以下结合具体实施例对本发明的具体实现进行详细描述: The specific implementation of the present invention is described in detail below in conjunction with specific embodiments:
实施例一: Embodiment 1:
图 1 示出了本发明第一实施例提供的 微波传输设备供电系统 的结构,为了便于说明,仅示出了与本发明实施例相关的部分。 1 shows a power transmission system for a microwave transmission device according to a first embodiment of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.
该 微波传输设备供电系统 包括 近端设备 11 ,以及与该 近端设备 通信的微波 传输 设备 13 ,还包括 信号处理装置 12 , 其中该 近端设备 11 为 RRU 或 BBU ,且 RRU 与 BBU 之间可以通过微波视距通信完成数据通信 : The microwave transmission device power supply system includes a near end device 11 and a microwave transmission device 13 in communication with the near end device The signal processing device 12 is further included, wherein the near-end device 11 is an RRU or a BBU, and the RRU and the BBU can complete data communication through microwave line-of-sight communication:
该信号处理装置 12 ,用于对该近端设备 11 输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将该处理后的直流电信号与高速差分信号输出至该微波传输设备 13 。 The signal processing device 12 is configured for the near end device 11 The output DC signal is combined with the high speed differential signal and separated or switched and reversed, and the processed DC signal and the high speed differential signal are output to the microwave transmission device 13 .
在本发明实施例中,该信号处理 装置 12 接收来自近端设备 11 输出的直流电信号和高速差分信号,可以将直流电信号和高速差分信号进行复合处理以生成一路复合信号,然后将该复合信号通过 LVDS 高速电缆输出至离微波设备对应的信号装置中,由信号装置将该复合信号进行分离处理,以生成独立的两路信号,即直流电信号和高速差分信号,进一步消除该直流电信号对高速差分信号的干扰,消除该高速差分信号对该直流电信号的干扰等,将分离、消除干扰后的直流电信号和高速差分信号输送到微波传输设备 13 中。另外,该信号处理 装置 12 还可以将直流电信号和高速差分信号进行转接处理,以实现信号阻抗匹配、信号间的干扰消除等功能,然后将转接后的该直流电信号和高速差分信号通过 LVDS 高速电缆输出至离微波设备对应的信号装置中,由信号装置再一次转接接收到的该直流电信号和高速差分信号,将处理后的直流电信号和高速差分信号输送到微波传输设备 13 中。最终微波传输设备 13 接收直流电信号和高速差分信号,实现了由该直流电信号对自身进行供电的功能,从而解决了现有供电技术中需要额外的供电设备和供电线缆,导致供电成本和工程成本高的问题。 In an embodiment of the invention, the signal processing device 12 receives from the near end device 11 The output DC signal and the high-speed differential signal can combine the DC signal and the high-speed differential signal to generate a composite signal, and then pass the composite signal through LVDS. The high-speed cable is outputted to a signal device corresponding to the microwave device, and the composite signal is separated and processed by the signal device to generate independent two-way signals, that is, a direct current signal and a high-speed differential signal, thereby further eliminating the direct current signal to the high-speed differential signal. Interference, eliminating the interference of the high-speed differential signal to the DC signal, and transmitting and removing the interference DC signal and the high-speed differential signal to the microwave transmission device 13 in. In addition, the signal processing device 12 The DC signal and the high-speed differential signal can also be transferred to achieve signal impedance matching, interference cancellation between signals, etc., and then the converted DC signal and high-speed differential signal are passed through LVDS. The high-speed cable is outputted to the signal device corresponding to the microwave device, and the received DC signal and the high-speed differential signal are again transferred by the signal device, and the processed DC signal and the high-speed differential signal are transmitted to the microwave transmission device. Medium. Final microwave transmission equipment 13 Receiving a DC signal and a high-speed differential signal realizes the function of supplying power to the DC signal, thereby solving the problem that the existing power supply technology requires additional power supply equipment and power supply cables, resulting in high power supply cost and engineering cost.
实施例二: Embodiment 2:
图 2 示出了本发明第二实施例提供的 微波传输设备供电系统 的结构,本实施例基于上述实施例一具体说明信号处理 装置 的结构及功能,为了便于说明,仅示出了与本发明实施例相关的部分。 2 shows a power transmission system for a microwave transmission device according to a second embodiment of the present invention. The structure of the signal processing apparatus is specifically described based on the above-described first embodiment. For the convenience of description, only the parts related to the embodiment of the present invention are shown.
该 微波传输设备供电系统中的信号处理装置具体包括信号合成单元 21 、 LVDS 高速电缆 22 以及信号分离单元 23 ,其中: The signal processing device in the power transmission system of the microwave transmission device specifically includes a signal synthesizing unit 21 and an LVDS high speed cable 22 And a signal separation unit 23, wherein:
信号合成单元 21 ,用于将该近端设备输出的直流电信号与高速差分信号合成为复合信号,并将该复合信号输出至该 LVDS 高速电缆。 Signal synthesis unit 21 The DC signal outputted by the near-end device and the high-speed differential signal are combined into a composite signal, and the composite signal is output to the LVDS high-speed cable.
该信号合成单元 21 具体包括: The signal synthesizing unit 21 specifically includes:
信号接收单元 211 ,用于接收该近端设备输出的直流电信号与高速差分信号; a signal receiving unit 211, configured to receive a DC signal and a high-speed differential signal output by the near-end device;
信号合成子单元 212 ,用于将该直流电信号与该高速差分信号合成为复合信号;以及 a signal synthesizing subunit 212, configured to synthesize the direct current signal and the high speed differential signal into a composite signal;
信号输出单元 213 ,用于将该复合信号输出至该 LVDS 高速电缆。 The signal output unit 213 is configured to output the composite signal to the LVDS high speed cable.
在本发明实施例中,信号接收单元 211 或称输入端插件接收来自 RRU 或 BBU 的直流电信号和高速差分信号,信号合成子单元 212 将来自输入端插件的直流电信号和高速差分信号通过现有的信号复合操作等技术以合成一路复合信号,通过信号合成子单元 212 或称输出端插件输出到 LVDS 高速电缆 22 。此时,输入端插件与输出端插件具有阻抗匹配功能,防静电功能,插件管脚之间具有很好的屏蔽和绝缘性能。 In the embodiment of the present invention, the signal receiving unit 211 or the input plug-in receives the RRU or the BBU. DC signal and high speed differential signal, signal synthesis subunit 212 The DC signal and the high-speed differential signal from the input plug-in are combined to generate a composite signal through an existing signal composite operation, and output to the LVDS high-speed cable through the signal synthesizing sub-unit 212 or the output plug-in. twenty two . At this time, the input plug-in and the output plug-in have impedance matching function, anti-static function, and good shielding and insulation performance between the plug-in pins.
LVDS 高速电缆 22 ,用于接收并输出该复合信号至该信号分离单元。 The LVDS high speed cable 22 is configured to receive and output the composite signal to the signal separation unit.
在本发明实施例中,该复合信号通过 LVDS 高速电缆 22 的 Tx- 、 Tx+ 、 Rx+ 、 Rx- 接口进行传输。如图 3 ( a )所示为本发明实施例中使用的高速线缆示意图,此时用到的线缆为 6 根,该 LVDS 高速电缆中不需要增加专用的直流电传输线,直流电信号和高速差分信号在同一传输线缆上传输,也即不需要增加直流电信号专用管脚,成本相对较低。 In the embodiment of the present invention, the composite signal passes through Tx-, Tx+, Rx+ of the LVDS high speed cable 22, The Rx-interface is transmitted. FIG. 3( a ) is a schematic diagram of a high-speed cable used in an embodiment of the present invention. In this case, six cables are used, and the LVDS is used. There is no need to add a dedicated DC transmission line in the high-speed cable. The DC signal and the high-speed differential signal are transmitted on the same transmission cable, that is, there is no need to increase the dedicated pin of the DC signal, and the cost is relatively low.
信号分离单元 23 ,用于将该复合信号分离为直流电信号与高速差分信号,并消除该直流电信号与该高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至该微波传输设备。 Signal separation unit 23 And separating the composite signal into a DC signal and a high-speed differential signal, and eliminating the DC signal and the interference signal on the high-speed differential signal, and outputting the DC signal and the high-speed differential signal after the interference are eliminated to the microwave transmission device.
该信号分离单元 23 具体包括: The signal separation unit 23 specifically includes:
信号接收单元 231 ,用于接收该 LVDS 高速电缆输出的该复合信号; a signal receiving unit 231, configured to receive the composite signal output by the LVDS high speed cable;
信号分离子单元 232 ,用于将该复合信号分离为直流电信号与高速差分信号; a signal separation sub-unit 232, configured to separate the composite signal into a direct current signal and a high-speed differential signal;
干扰消除单元 233 ,用于消除该直流电信号与该高速差分信号上的干扰信号;以及 An interference cancellation unit 233, configured to cancel the DC signal and the interference signal on the high speed differential signal;
信号输出单元 234 ,用于将消除干扰后的直流电信号与高速差分信号输出至该微波传输设备。 The signal output unit 234 is configured to output the DC signal after the interference cancellation and the high speed differential signal to the microwave transmission device.
在本发明实施例中,信号接收单元 231 或称输入端插件接收来自 LVDS 高速电缆 22 的复合信号,信号分离子单元 232 将该复合信号分离为高速差分信号和直流电信号(具体的信号分离技术不做限定),并经过干扰消除单元 233 消除直流电信号对高速差分信号的干扰和高速差分信号对直流电信号的干扰,形成没有干扰的高速差分信号和直流电信号,并由信号输出单元 234 或称输出端插件将分离的、消除干扰后的高速差分信号和直流电信号输送到微波传输设备,该输入端插件、输出端插件具有阻抗匹配功能,防静电功能,插件管脚之间具有很好的屏蔽和绝缘性能。 In the embodiment of the present invention, the signal receiving unit 231 or the input terminal is received from the LVDS high speed cable 22 The composite signal, the signal separation sub-unit 232 separates the composite signal into a high-speed differential signal and a direct current signal (specific signal separation techniques are not limited), and passes through the interference cancellation unit 233. Eliminating the interference of the DC signal to the high-speed differential signal and the interference of the high-speed differential signal to the DC signal, forming a high-speed differential signal and a DC signal without interference, and the signal output unit 234 Or the output plug-in sends the separated high-speed differential signal and DC signal after interference to the microwave transmission device. The input plug-in and the output plug-in have impedance matching function, anti-static function, and the plug-in pins are very good. Shielding and insulation properties.
以该近端设备为 RRU 、 BBU ,且 RRU 与 BBU 之间通过微波视距通信完成数据通信为例,如图 4 所示为基于高速电缆远程供电系统的应用场景。需要说明的是,高速电缆远程供电的电压根据实际需要和线缆绝缘屏蔽的能力确定,供电的电流根据远端模块的需要和电缆的通流能力确定。而高速电缆供电的距离主要受限于高速信号的传输距离,通过增加线径,提高电压就能增加电源远供的距离。 Use the near-end device as RRU, BBU, and RRU and BBU For example, the data communication is completed by microwave line-of-sight communication, as shown in Figure 4. The application scenario based on the high-speed cable remote power supply system is shown. It should be noted that the voltage of the remote power supply of the high-speed cable is determined according to the actual needs and the capability of the cable insulation shielding, and the current of the power supply is determined according to the needs of the remote module and the flow capacity of the cable. The distance of high-speed cable power supply is mainly limited by the transmission distance of high-speed signals. By increasing the wire diameter and increasing the voltage, the distance of the power supply can be increased.
在本发明实施例中,通过信号合成单元 21 、 LVDS 高速电缆 22 以及信号分离单元 23 ,使得微波传输设备能够以接收到的直流电信号作为供电电源信号,实现了于近端设备的通信,省去了微波设备的外部供电设备和电缆铺设,解决了微波传输设备供电困难问题,降低了微波传输设备的供电成本和工程成本。本发明实施例中信号合成单元 21 、信号分离单元 23 不但可以作为独立的装置,还可以将信号合成单元 21 集成到近端设备中,将信号分离单元 23 集成到微波传输设备中,以进一步降低系统成本,在此不做限定。 In the embodiment of the present invention, the signal synthesizing unit 21, the LVDS high speed cable 22, and the signal separating unit 23 are passed. The microwave transmission device can use the received DC signal as the power supply signal to realize the communication of the near-end device, eliminating the external power supply device and cable laying of the microwave device, solving the problem of power supply difficulty of the microwave transmission device, and reducing the problem. Power supply costs and engineering costs for microwave transmission equipment. Signal synthesis unit in the embodiment of the invention 21, the signal separation unit 23 can be used as a separate device, and the signal synthesis unit 21 can be integrated into the near-end device, and the signal separation unit 23 It is integrated into the microwave transmission device to further reduce the system cost, which is not limited herein.
实施例三: Embodiment 3:
图 5 示出了本发明第三实施例提供的 微波传输设备供电系统 的结构,本实施例基于上述实施例一具体说明信号处理 装置 的结构及功能,为了便于说明,仅示出了与本发明实施例相关的部分。 FIG. 5 shows a power transmission system for a microwave transmission device according to a third embodiment of the present invention. The structure of the signal processing apparatus is specifically described based on the above-described first embodiment. For the convenience of description, only the parts related to the embodiment of the present invention are shown.
该 微波传输设备供电系统中的信号处理装置具体包括信号第一处理单元 51 、 LVDS 高速电缆 52 以及信号第二处理单元 53 ,其中: The signal processing device in the microwave transmission device power supply system specifically includes a signal first processing unit 51 and an LVDS high speed cable 52. And a signal second processing unit 53 wherein:
信号第一处理单元 51 ,用于转接近端设备输出的直流电信号与高速差分信号,并将转接后的该直流电信号与该高速差分信号输出至该 LVDS 高速电缆。 Signal first processing unit 51 The DC signal and the high-speed differential signal outputted by the proximity device are output, and the transferred DC signal and the high-speed differential signal are output to the LVDS high-speed cable.
该信号第一处理单元 51 具体包括: The signal first processing unit 51 specifically includes:
信号接收单元 511 ,用于接收该近端设备输出的直流电信号与高速差分信号; a signal receiving unit 511, configured to receive a direct current signal and a high speed differential signal output by the near end device;
信号第一转接单元 512 ,用于对该直流电信号与该高速差分信号进行转接处理;以及 a signal first switching unit 512, configured to perform a transfer process on the direct current signal and the high speed differential signal;
信号输出单元 513 ,用于将转接后的该直流电信号与该高速差分信号输出至该 LVDS 高速电缆。 a signal output unit 513, configured to output the converted DC signal and the high speed differential signal to the LVDS High speed cable.
在本发明实施例中,信号接收单元 511 或称输入插件接收来自 RRU 或 BBU 的直流电信号和高速差分信号,信号第一转接单元 512 将来自输入插件直流电信号和高速差分信号转接,以实现阻抗匹配、抗干扰等功能的目的,通过信号输出单元 513 或称输出插件输出到 LVDS 高速电缆 52 中传输。输入插件与输出插件均具有阻抗匹配功能,防静电功能,插件管脚之间具有很好的屏蔽和绝缘性能。 In the embodiment of the present invention, the signal receiving unit 511 or the input plug-in receives the RRU or the BBU. The DC signal and the high-speed differential signal, the signal first switching unit 512 transfers the DC signal from the input plug-in and the high-speed differential signal to achieve the functions of impedance matching, anti-interference, etc., through the signal output unit 513 Or the output plug-in output is transferred to the LVDS high-speed cable 52. Both the input plug-in and the output plug-in have impedance matching function, anti-static function, and good shielding and insulation performance between the plug-in pins.
LVDS 高速电缆 52 ,用于通过专用的两根直流电源线缆接收并输出该直流电信号至该信号第二处理单元,并通过其他线缆接收并输出该高速差分信号至该信号第二处理单元。 LVDS high speed cable 52 And receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high-speed differential signal to the second processing unit by using the other cable.
在本发明实施例中,高速差分信号通过 LVDS 高速电缆 52 的 Tx- , Tx+ , Rx+ 或 Rx- 来传输。如图 3 ( b )所示为本发明实施例中使用的高速线缆示意图,此时用到的线缆为 8 根,内部增加的两根线缆为专用的直流电信号传输线,并做好了直流电信号与高速差分信号之间的屏蔽保护工作,且需要该 LVDS 高速电缆两端的连接器增加直流电信号的专用管脚。该 LVDS 高速电缆中的直流电信号对高速差分信号的干扰小,直流供电能力可以做到相对很大。本发明实施例中直流电源管脚的排布以直流电信号与高速差分信号干扰最小为原则,兼顾是否有利于工程实践方面的考虑,在此不做限定。 In the embodiment of the present invention, the high speed differential signal passes through the Tx-, Tx+, Rx+ of the LVDS high speed cable 52 or Rx- to transfer. FIG. 3(b) is a schematic diagram of a high-speed cable used in the embodiment of the present invention, and the cable used at this time is 8 Root, the two internal cables are dedicated DC signal transmission lines, and shield protection between DC signals and high-speed differential signals is required, and the LVDS is required. The connectors at both ends of the high speed cable add dedicated pins for DC signals. The LVDS The DC signal in the high-speed cable has less interference to the high-speed differential signal, and the DC power supply capability can be relatively large. In the embodiment of the present invention, the arrangement of the DC power supply pins is based on the principle that the direct current signal and the high-speed differential signal have the minimum interference, and the consideration is not conducive to engineering practice considerations.
信号第二处理单元 53 ,用于转接该 LVDS 高速电缆输出的该直流电信号与该高速差分信号,并将转接后的该直流电信号与该高速差分信号输出至该微波传输设备。 a signal second processing unit 53 for transferring the LVDS The high-speed cable outputs the DC signal and the high-speed differential signal, and outputs the transferred DC signal and the high-speed differential signal to the microwave transmission device.
该 信号第二处理单元 53 具体包括: The second processing unit 53 of the signal specifically includes:
信号接收单元 531 ,用于接收该 LVDS 高速电缆输出的该直流电信号与该高速差分信号; a signal receiving unit 531, configured to receive the DC signal output by the LVDS high speed cable and the high speed differential signal;
信号第二转接单元 532 ,用于对该直流电信号与该高速差分信号进行转接处理;以及 a signal second switching unit 532, configured to perform a transfer process on the direct current signal and the high speed differential signal;
信号输出单元 533 ,用于将转接后的该直流电信号与该高速差分信号输出至该微波传输设备。 The signal output unit 533 is configured to output the converted DC signal and the high speed differential signal to the microwave transmission device.
在本发明实施例中,信号接收单元 531 或称输入端插件接收来自 LVDS 高速电缆 52 的输出的直流电信号与高速差分信号,信号第二转接单元 532 转接高速差分信号和直流电信号,并将高速差分信号和直流电信号输送到信号输出单元 533 或称输出端插件,输出端插件将高速差分信号和直流电信号输送到微波传输设备。其中,该转接处理操作不限于具体的转接等技术手段来实现阻抗匹配、抗干扰等功能,而该输入、输出端插件具有阻抗匹配功能,防静电功能,插件管脚之间具有很好的屏蔽和绝缘性能。 In the embodiment of the present invention, the signal receiving unit 531 or the input terminal is received from the LVDS high speed cable 52. The output DC signal and the high speed differential signal, the signal second switching unit 532 switches the high speed differential signal and the DC signal, and delivers the high speed differential signal and the DC signal to the signal output unit 533 Or the output plug-in, the output plug-in delivers high-speed differential signals and DC signals to the microwave transmission device. Wherein, the transfer processing operation is not limited to a specific transfer and other technical means to achieve functions such as impedance matching and anti-interference, and the input and output plug-ins have an impedance matching function, an anti-static function, and a good inter-pin pin. Shielding and insulation properties.
在本发明实施例中,该信号第一处理单元 51 、信号第二处理单元 53 不但可以作为独立的装置,还可以将信号第一处理单元 51 集成到近端设备中,将信号第二处理单元 53 集成到微波传输设备中,以进一步降低系统成本,在此不做限定。而通过本发明实施例提供的微波传输设备供电系统主要通过在 LVDS 高速线缆中增加专用的直流电信号传输线,以将近端设备的直流电信号传输至对应的微波传输设备中,以进行远程供电,同样达到了降低微波传输设备远程供电成本等目的。 In the embodiment of the present invention, the signal first processing unit 51 and the signal second processing unit 53 Not only can it be used as a stand-alone device, but also the signal first processing unit 51 can be integrated into the near-end device, and the signal second processing unit 53 It is integrated into the microwave transmission device to further reduce the system cost, which is not limited herein. The power transmission system of the microwave transmission device provided by the embodiment of the present invention mainly passes through the LVDS. A dedicated DC signal transmission line is added to the high-speed cable to transmit the DC signal of the near-end device to the corresponding microwave transmission device for remote power supply, thereby achieving the purpose of reducing the remote power supply cost of the microwave transmission device.
实施例四: Embodiment 4:
图 6 示出了本发明第四实施例提供的 微波传输设备供电方法 的实现流程,本发明实施例主要基于上述实施例中微波传输设备供电系统实现的供电方法,详述如下: FIG. 6 shows a method for powering a microwave transmission device according to a fourth embodiment of the present invention The implementation process of the present invention is mainly based on the power supply method implemented by the power transmission system of the microwave transmission device in the foregoing embodiment, which is described in detail as follows:
在步骤 S601 中, 对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将该处理后的直流电信号与高速差分信号输出至微波传输设备。 In step S601, The DC signal outputted by the near-end device and the high-speed differential signal are combined and separated or switched and reversed, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device.
具体地,若对近端设备输出的直流电信号与高速差分信号进行复合及分离处理,则步骤 S601 具体包括以下步骤: Specifically, if the DC signal outputted by the near-end device is combined and separated by the high-speed differential signal, step S601 Specifically, the following steps are included:
信号合成单元将近端设备输出的直流电信号与高速差分信号合成为复合信号,并将该复合信号输出至 LVDS 高速电缆; The signal synthesizing unit synthesizes the DC signal outputted by the near-end device and the high-speed differential signal into a composite signal, and outputs the composite signal to the LVDS High speed cable
该 LVDS 高速电缆接收并输出该复合信号至信号分离单元; The LVDS high speed cable receives and outputs the composite signal to the signal separation unit;
该信号分离单元将该复合信号分离为直流电信号与高速差分信号,消除该直流电信号与该高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至微波传输设备。 The signal separating unit separates the composite signal into a direct current signal and a high-speed differential signal, and eliminates the direct current signal and the interference signal on the high-speed differential signal, and outputs the canceled direct current signal and the high-speed differential signal to the microwave transmission device.
在具体实施过程中,信号合成单元的输入端插件接收来自 RRU 或 BBU 的直流电信号和高速差分信号,将该直流电信号和高速差分信号合成一路复合信号,通过信号合成单元的输出端插件输出到 LVDS 高速电缆,信号分离单元的输入端插件接收来自 LVDS 高速电缆输出的复合信号,分离获取高速差分信号和直流电信号,并经过预置的干扰消除模块,消除直流电信号对高速差分信号的干扰和高速差分信号对直流电信号的干扰,并将分离、消除干扰后的高速差分信号和直流电信号经输出端插件输送到微波传输设备,从而,该微波传输设备能够根据接收到的直流电信号给自身供电,而不需要使用其他外部供电设备。 In the specific implementation process, the input plug-in of the signal synthesizing unit receives the RRU or BBU. The direct current signal and the high speed differential signal, the direct current signal and the high speed differential signal are combined into one composite signal, and output to the LVDS through the output plug of the signal synthesizing unit. High-speed cable, input plug-in for signal separation unit receives from LVDS The composite signal output from the high-speed cable separates and obtains the high-speed differential signal and the DC signal, and passes through the preset interference cancellation module to eliminate the interference of the DC signal to the high-speed differential signal and the interference of the high-speed differential signal to the DC signal, and separate and eliminate the interference. The high-speed differential signal and the direct current signal are sent to the microwave transmission device via the output plug-in, so that the microwave transmission device can supply power to itself according to the received DC signal without using other external power supply devices.
具体地,若对近端设备输出的直流电信号与高速差分信号进行转接及反转接处理,则步骤 S601 具体包括以下步骤: Specifically, if the DC signal outputted by the near-end device and the high-speed differential signal are transferred and reversed, step S601 Specifically, the following steps are included:
信号第一处理单元转接近端设备输出的直流电信号与高速差分信号,并将转接后的该直流电信号与该高速差分信号输出至 LVDS 高速电缆; The first processing unit of the signal is turned to the DC signal and the high-speed differential signal outputted by the end device, and the converted DC signal and the high-speed differential signal are output to the LVDS high-speed cable;
该 LVDS 高速电缆通过专用的两根直流电源线缆接收并输出该直流电信号至信号第二处理单元,并通过其他线缆接收并输出该高速差分信号至该信号第二处理单元; The LVDS The high-speed cable receives and outputs the DC signal to the second processing unit through the dedicated two DC power cables, and receives and outputs the high-speed differential signal to the second processing unit through the other cable;
该信号第二处理单元转接该 LVDS 高速电缆输出的该直流电信号与该高速差分信号,并将转接后的该直流电信号与该高速差分信号输出至微波传输设备。 The signal second processing unit transfers the LVDS The DC signal output by the high speed cable and the high speed differential signal, and the converted DC signal and the high speed differential signal are output to the microwave transmission device.
在具体实施过程中,信号第一处理单元的输入插件接收来自 RRU 或 BBU 的直流电信号和高速差分信号,将来自输入插件直流电信号和高速差分信号转接,通过对应的输出插件输出到 LVDS 高速电缆中进行传输。信号第二处理单元的输入端插件接收来自该 LVDS 高速电缆输出的信号,并转接该高速差分信号和直流电信号,并将高速差分信号和直流电信号输送到信号第二处理单元的输出插件,最终输出插件将高速差分信号和直流电信号输送到微波传输设备,从而,该微波传输设备能够根据接收到的直流电信号给自身供电,而不需要使用其他外部供电设备。 In the specific implementation process, the input plug-in of the signal first processing unit receives from the RRU or BBU The DC signal and the high-speed differential signal are used to transfer the DC signal from the input plug-in and the high-speed differential signal, and output to the LVDS through the corresponding output plug-in. Transfer in high speed cable. The input plug-in of the signal second processing unit receives the LVDS from the LVDS The signal output by the high-speed cable, and the high-speed differential signal and the direct current signal are transferred, and the high-speed differential signal and the direct current signal are sent to the output plug-in of the second processing unit of the signal, and the final output plug-in transmits the high-speed differential signal and the direct current signal to the microwave transmission. The device, and thus, the microwave transmission device is capable of supplying power to itself based on the received DC signal without using other external power supply devices.
本发明实施例提供了一种 微波传输设备供电方法 ,通过 对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将该处理后的直流电信号与高速差分信号输出至微波传输设备,实现了对微波传输设备供电的目的,且使得供电成本及工程成本得到降低 。 Embodiments of the present invention provide a method for supplying power to a microwave transmission device, The DC signal outputted by the near-end device and the high-speed differential signal are combined and separated or switched and reversed, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device, thereby realizing power supply to the microwave transmission device. Purpose, and reduce power supply costs and engineering costs .
实施例五: Embodiment 5:
图 7 示出了本发明第五施例提供的 信号处理装置 的结构,为了便于说明,仅示出了与本发明实施例相关的部分。 FIG. 7 shows a signal processing device according to a fifth embodiment of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.
该信号处理装置 71 用于对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将该处理后的直流电信号与高速差分信号输出至微波传输设备。 The signal processing device 71 The DC signal and the high-speed differential signal outputted by the near-end device are combined and separated or switched and reverse-connected, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device.
在本发明实施例中,该信号处理装置 71 、该近端设备以及该微波传输设备分别与上述实施例中所述的信号处理装置、近端设备以及微波传输设备一一对应,在此不再赘述。 In the embodiment of the present invention, the signal processing device 71 The near-end device and the microwave transmission device respectively correspond to the signal processing device, the near-end device, and the microwave transmission device in the foregoing embodiments, and are not described herein again.
其中,该信号处理装置 71 可以包括信号合成单元 711 、 LVDS 高速电缆 712 以及信号分离单元 713 ,其中 : The signal processing device 71 may include a signal synthesizing unit 711 and an LVDS high speed cable 712. And a signal separation unit 713, wherein:
该信号合成单元 711 ,用于将近端设备输出的直流电信号与高速差分信号合成为复合信号,并将该复合信号输出至该 LVDS 高速电缆 712 ; The signal synthesizing unit 711 , the DC signal outputted by the near-end device and the high-speed differential signal are combined into a composite signal, and the composite signal is output to the LVDS high-speed cable 712;
该 LVDS 高速电缆 712 ,用于接收并输出所述复合信号至该信号分离单元 713 ;以及 The LVDS high speed cable 712 is configured to receive and output the composite signal to the signal separation unit 713;
该信号分离单元 713 ,用于将该复合信号分离为直流电信号与高速差分信号,并消除该直流电信号与该高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至微波传输设备。 The signal separation unit 713 The utility model is configured to separate the composite signal into a direct current signal and a high-speed differential signal, and eliminate the interference signal on the direct current signal and the high-speed differential signal, and output the canceled direct current signal and the high-speed differential signal to the microwave transmission device.
另外,该信号处理装置 71 还包括信号第一处理单元、 LVDS 高速电缆以及信号第二处理单元,其中 : In addition, the signal processing device 71 further includes a signal first processing unit, an LVDS high speed cable, and a signal second processing unit, wherein :
该信号第一处理单元,用于转接近端设备输出的直流电信号与高速差分信号,并将转接后的该直流电信号与所述高速差分信号输出至该 LVDS 高速电缆; The signal processing unit is configured to: convert the DC signal outputted by the proximity device and the high speed differential signal, and output the converted DC signal and the high speed differential signal to the LVDS high speed cable;
该 LVDS 高速电缆,用于通过专用的两根直流电源线缆接收并输出该直流电信号至该信号第二处理单元,并通过其他线缆接收并输出该高速差分信号至该信号第二处理单元;以及 The LVDS a high-speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high-speed differential signal to the second processing unit by the other cable;
该信号第二处理单元,用于转接该 LVDS 高速电缆输出的该直流电信号与该高速差分信号,并将转接后的该直流电信号与该高速差分信号输出至微波传输设备。 a second processing unit for transmitting the LVDS The DC signal output by the high speed cable and the high speed differential signal, and the converted DC signal and the high speed differential signal are output to the microwave transmission device.
在本发明实施例中,该信号合成单元 711 、 LVDS 高速电缆 712 以及信号分离单元 713 分别与上述实施例二中所述的信号合成单元 21 、 LVDS 高速电缆 22 以及信号分离单元 23 一一对应,该信号第一处理单元、 LVDS 高速电缆以及信号第二处理单元分别与上述实施例三中所述的信号第一处理单元 51 、 LVDS 高速电缆 52 以及信号第二处理单元 53 一一对应,在此不再赘述。 In the embodiment of the present invention, the signal synthesizing unit 711, the LVDS high speed cable 712, and the signal separating unit 713 Corresponding to the signal synthesizing unit 21, the LVDS high-speed cable 22, and the signal separating unit 23 described in the above second embodiment, the signal first processing unit, LVDS The high speed cable and the signal second processing unit are respectively associated with the signal first processing unit 51, the LVDS high speed cable 52, and the signal second processing unit 53 described in the third embodiment above. One-to-one correspondence will not be repeated here.
本发明实施例通过该信号处理装置将近端设备输出的直流电信号与高速差分信号进行处理,并将处理后的直流电信号与高速差分信号输出至微波传输设备, 实现了对微波传输设备自身进行供电的功能,从而解决了现有供电技术中需要额外的供电设备和供电线缆,导致供电成本和工程成本高的问题。 In the embodiment of the present invention, the DC signal outputted by the near-end device and the high-speed differential signal are processed by the signal processing device, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device. The function of supplying power to the microwave transmission device itself is realized, thereby solving the problem that the existing power supply technology requires additional power supply equipment and power supply cables, resulting in high power supply cost and engineering cost.
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成,该的程序可以存储于一计算机可读取存储介质中,该的存储介质,如 ROM/RAM 、磁盘、光盘等。 A person skilled in the art can understand that all or part of the steps of implementing the above embodiments can be completed by a program instructing related hardware, and the program can be stored in a computer readable storage medium, the storage medium, Such as ROM/RAM, disk, CD, etc.
本发明实施例通过 信号处理装置对 BBU 或 RRU 输出的直流电信号与高速差分信号进行处理后,经过高速电缆传输至对应的微波传输设备中 ,解决了对微波传输设备 供电困难,供电成本和工程成本高 的问题,省去了现有的对微波传输设备进行供电的外部设备及相应的电缆,降低了微波传输设备的供电成本和工程成本等。 Embodiments of the present invention pass a signal processing device to a BBU or RRU The output DC signal and the high-speed differential signal are processed and transmitted to the corresponding microwave transmission device through the high-speed cable, which solves the problem of difficulty in supplying power to the microwave transmission device, and the power supply cost and the engineering cost are high. The problem is that the existing external equipment and corresponding cables for powering the microwave transmission equipment are omitted, and the power supply cost and engineering cost of the microwave transmission equipment are reduced.
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。 The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims (13)

  1. 一种微波传输设备供电系统 ,包括 近端设备 ,以及与所述 近端设备 通信的微波 传输 设备,其特征在于,所述系统还包括 信号处理装置: A microwave transmission device power supply system includes a near end device and a microwave transmission device in communication with the near end device, wherein the system further includes Signal processing device:
    所述信号处理装置,用于对所述近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至所述微波传输设备。The signal processing device is configured to combine and separate or convert the DC signal outputted by the near-end device with the high-speed differential signal, and output the processed DC signal and the high-speed differential signal to The microwave transmission device.
  2. 如权利要求 1 所述的系统,其特征在于,所述信号处理装置具体包括信号合成单元、 LVDS 高速电缆以及信号分离单元,其中 :The system of claim 1 wherein said signal processing means comprises a signal synthesis unit, an LVDS high speed cable, and a signal separation unit, wherein :
    所述信号合成单元, 用于将所述近端设备输出的直流电信号与高速差分信号合成为复合信号,并将所述复合信号输出至所述 LVDS 高速电缆;The signal synthesizing unit is configured to synthesize a DC signal outputted by the near-end device and a high-speed differential signal into a composite signal, and output the composite signal to the LVDS High speed cable
    所述 LVDS 高速电缆,用于接收并输出所述复合信号至所述信号分离单元;以及The LVDS high speed cable for receiving and outputting the composite signal to the signal separation unit;
    所述信号分离单元,用于将所述复合信号分离为直流电信号与高速差分信号,并消除所述直流电信号与所述高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至所述微波传输设备。The signal separating unit is configured to separate the composite signal into a direct current signal and a high speed differential signal, and eliminate the interference signal on the direct current signal and the high speed differential signal, and eliminate the interference direct current signal and the high speed differential signal Output to the microwave transmission device.
  3. 如权利要求 2 所述的系统,其特征在于,所述信号合成单元具体包括:The system of claim 2, wherein the signal synthesizing unit comprises:
    信号接收单元,用于接收所述近端设备输出的直流电信号与高速差分信号;a signal receiving unit, configured to receive a direct current signal and a high speed differential signal output by the near end device;
    信号合成子单元,用于将所述直流电信号与所述高速差分信号合成为复合信号;以及a signal synthesis subunit for synthesizing the direct current signal and the high speed differential signal into a composite signal;
    信号输出单元,用于将所述复合信号输出至所述 LVDS 高速电缆。a signal output unit for outputting the composite signal to the LVDS high speed cable.
  4. 如权利要求 2 所述的系统,其特征在于,所述信号分离单元具体包括:The system of claim 2, wherein the signal separation unit comprises:
    信号接收单元,用于接收所述 LVDS 高速电缆输出的所述复合信号;a signal receiving unit, configured to receive the composite signal output by the LVDS high speed cable;
    信号分离子单元,用于将所述复合信号分离为直流电信号与高速差分信号;a signal separation subunit, configured to separate the composite signal into a direct current signal and a high speed differential signal;
    干扰消除单元,用于消除所述直流电信号与所述高速差分信号上的干扰信号;以及An interference cancellation unit for canceling the DC signal and the interference signal on the high speed differential signal;
    信号输出单元,用于将消除干扰后的直流电信号与高速差分信号输出至所述微波传输设备。And a signal output unit, configured to output the DC signal after the interference cancellation and the high speed differential signal to the microwave transmission device.
  5. 如权利要求 1 所述的系统,其特征在于,所述信号处理装置具体包括信号第一处理单元、 LVDS 高速电缆以及信号第二处理单元,其中 :The system of claim 1 wherein said signal processing means comprises a signal first processing unit, LVDS High speed cable and signal processing unit, wherein:
    所述信号第一处理单元,用于转接所述近端设备输出的直流电信号与高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至所述 LVDS 高速电缆;The first processing unit of the signal is configured to switch a direct current signal and a high speed differential signal output by the near end device, and output the converted direct current signal and the high speed differential signal to the LVDS high speed cable;
    所述 LVDS 高速电缆,用于通过专用的两根直流电源线缆接收并输出所述直流电信号至所述信号第二处理单元,并通过其他线缆接收并输出所述高速差分信号至所述信号第二处理单元;以及The LVDS a high speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high speed differential signal to the second processing through the other cable Unit;
    所述信号第二处理单元,用于转接所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至所述微波传输设备。The signal second processing unit is configured to transfer the LVDS And outputting the DC signal of the high speed cable to the high speed differential signal, and outputting the converted DC signal and the high speed differential signal to the microwave transmission device.
  6. 如权利要求 5 所述的系统,其特征在于, 所述 信号第一处理单元具体包括:The system of claim 5, wherein the signal processing unit comprises:
    信号接收单元,用于接收所述近端设备输出的直流电信号与高速差分信号;a signal receiving unit, configured to receive a direct current signal and a high speed differential signal output by the near end device;
    信号第一转接单元,用于对所述直流电信号与所述高速差分信号进行转接处理;以及a signal first switching unit, configured to perform switching processing on the direct current signal and the high speed differential signal;
    信号输出单元,用于将转接后的所述直流电信号与所述高速差分信号输出至所述 LVDS 高速电缆。And a signal output unit, configured to output the converted DC signal and the high speed differential signal to the LVDS high speed cable.
  7. 如权利要求 5 所述的系统,其特征在于, 所述 信号第二处理单元具体包括:The system of claim 5, wherein the second processing unit of the signal comprises:
    信号接收单元,用于接收所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号;a signal receiving unit, configured to receive the DC signal output by the LVDS high speed cable and the high speed differential signal;
    信号第二转接单元,用于对所述直流电信号与所述高速差分信号进行转接处理;以及a signal second switching unit, configured to perform switching processing on the direct current signal and the high speed differential signal;
    信号输出单元,用于将转接后的所述直流电信号与所述高速差分信号输出至所述微波传输设备。And a signal output unit, configured to output the converted DC signal and the high speed differential signal to the microwave transmission device.
  8. 一种基于权利要求 1 所述微波传输设备供电系统的供电方法 ,其特征在于,所述方法包括: A power supply method for a power transmission system of a microwave transmission device according to claim 1, wherein the method comprises:
    对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备。The DC signal outputted by the near-end device and the high-speed differential signal are combined and separated or switched and reversed, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device.
  9. 如权利要求 8 所述的 方法 ,其特征在于,所述对近端设备输出的直流电信号与高速差分信号进行复合及分离处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备的步骤具体包括: The method of claim 8 The step of combining the DC signal outputted by the near-end device with the high-speed differential signal and separating the high-speed differential signal, and outputting the processed DC signal and the high-speed differential signal to the microwave transmission device includes:
    信号合成单元将近端设备输出的直流电信号与高速差分信号合成为复合信号,并将所述复合信号输出至 LVDS 高速电缆;The signal synthesizing unit synthesizes the DC signal outputted by the near-end device and the high-speed differential signal into a composite signal, and outputs the composite signal to the LVDS High speed cable
    所述 LVDS 高速电缆接收并输出所述复合信号至信号分离单元;Receiving and outputting the composite signal to the signal separation unit by the LVDS high speed cable;
    所述信号分离单元将所述复合信号分离为直流电信号与高速差分信号,消除所述直流电信号与所述高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至微波传输设备。The signal separating unit separates the composite signal into a direct current signal and a high-speed differential signal, and cancels the interference signal on the direct current signal and the high-speed differential signal, and outputs the canceled direct current signal and the high-speed differential signal to the microwave transmission. device.
  10. 如权利要求 8 所述的 方法 ,其特征在于,所述对近端设备输出的直流电信号与高速差分信号进行转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备的步骤具体包括:The method of claim 8 The step of performing the switching and reversing processing of the DC signal outputted by the near-end device and the high-speed differential signal, and outputting the processed DC signal and the high-speed differential signal to the microwave transmission device specifically includes: :
    信号第一处理单元转接近端设备输出的直流电信号与高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至 LVDS 高速电缆;The first processing unit of the signal turns to the DC signal and the high-speed differential signal outputted by the end device, and outputs the converted DC signal and the high-speed differential signal to the LVDS. High speed cable
    所述 LVDS 高速电缆通过专用的两根直流电源线缆接收并输出所述直流电信号至信号第二处理单元,并通过其他线缆接收并输出所述高速差分信号至所述信号第二处理单元;以及The LVDS The high speed cable receives and outputs the DC signal to the second processing unit through the dedicated two DC power cables, and receives and outputs the high speed differential signal to the second processing unit through the other cable;
    所述信号第二处理单元转接所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至微波传输设备。Transmitting the second processing unit to the LVDS The high-speed cable outputs the DC signal and the high-speed differential signal, and outputs the converted DC signal and the high-speed differential signal to a microwave transmission device.
  11. 一种信号处理装置 ,其特征在于,所述 信号处理装置 用于:A signal processing device, characterized in that the signal processing device is used for:
    对近端设备输出的直流电信号与高速差分信号进行复合及分离或者转接及反转接处理,并将所述处理后的直流电信号与高速差分信号输出至微波传输设备。The DC signal outputted by the near-end device and the high-speed differential signal are combined and separated or switched and reversed, and the processed DC signal and the high-speed differential signal are output to the microwave transmission device.
  12. 如权利要求 11 所述的信号处理装置,其特征在于,所述信号处理装置具体包括信号合成单元、 LVDS 高速电缆以及信号分离单元,其中 :A signal processing apparatus according to claim 11, wherein said signal processing means comprises a signal synthesizing unit, LVDS High-speed cable and signal separation unit, where:
    所述信号合成单元,用于将近端设备输出的直流电信号与高速差分信号合成为复合信号,并将所述复合信号输出至所述 LVDS 高速电缆;The signal synthesizing unit is configured to synthesize a direct current signal and a high speed differential signal output by the near end device into a composite signal, and output the composite signal to the LVDS High speed cable
    所述 LVDS 高速电缆,用于接收并输出所述复合信号至所述信号分离单元;以及The LVDS high speed cable for receiving and outputting the composite signal to the signal separation unit;
    所述信号分离单元,用于将所述复合信号分离为直流电信号与高速差分信号,并消除所述直流电信号与所述高速差分信号上的干扰信号,将消除干扰后的直流电信号与高速差分信号输出至微波传输设备。The signal separating unit is configured to separate the composite signal into a direct current signal and a high speed differential signal, and eliminate the interference signal on the direct current signal and the high speed differential signal, and eliminate the interference direct current signal and the high speed differential signal Output to the microwave transmission device.
  13. 如权利要求 11 所述的信号处理装置,其特征在于,所述信号处理装置具体包括信号第一处理单元、 LVDS 高速电缆以及信号第二处理单元,其中 :A signal processing apparatus according to claim 11, wherein said signal processing means comprises signal first processing unit, LVDS High speed cable and signal processing unit, wherein:
    所述信号第一处理单元,用于转接近端设备输出的直流电信号与高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至所述 LVDS 高速电缆;The signal first processing unit is configured to switch the DC signal and the high speed differential signal outputted by the proximity device, and output the converted DC signal and the high speed differential signal to the LVDS high speed cable;
    所述 LVDS 高速电缆,用于通过专用的两根直流电源线缆接收并输出所述直流电信号至所述信号第二处理单元,并通过其他线缆接收并输出所述高速差分信号至所述信号第二处理单元;以及The LVDS a high speed cable for receiving and outputting the DC signal to the second processing unit through the dedicated two DC power cables, and receiving and outputting the high speed differential signal to the second processing through the other cable Unit;
    所述信号第二处理单元,用于转接所述 LVDS 高速电缆输出的所述直流电信号与所述高速差分信号,并将转接后的所述直流电信号与所述高速差分信号输出至微波传输设备。The signal second processing unit is configured to transfer the LVDS The high-speed cable outputs the DC signal and the high-speed differential signal, and outputs the converted DC signal and the high-speed differential signal to a microwave transmission device.
PCT/CN2012/081549 2012-09-18 2012-09-18 Power supply system and method for microwave transmission device, and signal processing apparatus WO2014043852A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2012/081549 WO2014043852A1 (en) 2012-09-18 2012-09-18 Power supply system and method for microwave transmission device, and signal processing apparatus
CN201280002145.4A CN103270720B (en) 2012-09-18 2012-09-18 A kind of microwave transport equipment electric power system and method, signal processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/081549 WO2014043852A1 (en) 2012-09-18 2012-09-18 Power supply system and method for microwave transmission device, and signal processing apparatus

Publications (1)

Publication Number Publication Date
WO2014043852A1 true WO2014043852A1 (en) 2014-03-27

Family

ID=49013184

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/081549 WO2014043852A1 (en) 2012-09-18 2012-09-18 Power supply system and method for microwave transmission device, and signal processing apparatus

Country Status (2)

Country Link
CN (1) CN103270720B (en)
WO (1) WO2014043852A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112769772A (en) * 2020-12-24 2021-05-07 青岛海信日立空调系统有限公司 Protocol conversion device for air conditioner and air conditioner control system
KR20220165299A (en) * 2021-06-07 2022-12-15 삼성디스플레이 주식회사 Host processor, display system included the same, and method of operating display system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412974A (en) * 2002-05-27 2003-04-23 华为技术有限公司 Method for implementing Ethernet exchange piling
CN101674108A (en) * 2008-09-08 2010-03-17 索尼株式会社 Information processing apparatus, encoding method and signal transmission method
CN101868055A (en) * 2010-05-31 2010-10-20 华为技术有限公司 Wireless base station
CN102149224A (en) * 2010-02-05 2011-08-10 华为技术有限公司 Method, device and system for transmitting data

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412974A (en) * 2002-05-27 2003-04-23 华为技术有限公司 Method for implementing Ethernet exchange piling
CN101674108A (en) * 2008-09-08 2010-03-17 索尼株式会社 Information processing apparatus, encoding method and signal transmission method
CN102149224A (en) * 2010-02-05 2011-08-10 华为技术有限公司 Method, device and system for transmitting data
CN101868055A (en) * 2010-05-31 2010-10-20 华为技术有限公司 Wireless base station

Also Published As

Publication number Publication date
CN103270720B (en) 2016-03-09
CN103270720A (en) 2013-08-28

Similar Documents

Publication Publication Date Title
WO2013016905A1 (en) Fdd-lte indoor coverage system
US6587454B1 (en) Network adaptor for telephone and data traffic
US7421531B2 (en) Isolating system that couples fieldbus data to a network
WO2016108650A1 (en) Method for transmitting digital mapping data
WO2013152588A1 (en) Full-duplex wireless communication device, method and system
WO2011139047A2 (en) Integrated repeater for integratedly relaying various types of communication signals, and integrated relay system
WO2014043852A1 (en) Power supply system and method for microwave transmission device, and signal processing apparatus
WO2017092387A1 (en) Wearable device communication method and system
WO2016165430A1 (en) Data transfer method and apparatus, communication system, and computer storage medium
WO2020151445A1 (en) Data transmission apparatus, device, and system, and data reception apparatus and device
WO2016008271A1 (en) Digital optical fiber radio remote rail side wireless communication system
WO2018094685A1 (en) Data transmission method based on lora wireless communication, and relay
WO2014071582A1 (en) Method and apparatus for adjusting antennas in multiple input multiple output microwave system
WO2018049629A1 (en) Internet-of-things device
WO2023191267A1 (en) Distributed power sharing type electric vehicle charging system
TWI730592B (en) Method and device for remote control using optical fiber signal and Ethernet power supply
WO2016021764A1 (en) Single-input single-output interference cancellation repeater
CN210112026U (en) POE signal switching equipment
CN210274137U (en) Ethernet remote transmission equipment for railway station radio station control box
CN208257860U (en) Ethernet communication control device and fully-mechanized mining working communication network
WO2012095055A2 (en) Remote supply system and remote power supply
CN202906930U (en) POE power supply system based on multi-network distribution of cat5 cables
WO2019142972A1 (en) Parallel inverter system
TW200412082A (en) Modular switch system on high-speed serial bus
CN218162503U (en) Switch system with multiple power supply modes

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201280002145.4

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12884996

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12884996

Country of ref document: EP

Kind code of ref document: A1