WO2011140789A1 - 通过同轴线传输cpri信号的方法及装置 - Google Patents
通过同轴线传输cpri信号的方法及装置 Download PDFInfo
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- WO2011140789A1 WO2011140789A1 PCT/CN2010/078307 CN2010078307W WO2011140789A1 WO 2011140789 A1 WO2011140789 A1 WO 2011140789A1 CN 2010078307 W CN2010078307 W CN 2010078307W WO 2011140789 A1 WO2011140789 A1 WO 2011140789A1
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- Prior art keywords
- signal
- data
- coaxial line
- cpri
- plane data
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for transmitting a CPRI signal over a coaxial line. Background technique
- the CPRI (Common Public Radio Interface) protocol is a general-purpose interface protocol between a baseband unit (BBU) and a radio remote unit (RRU) in a wireless communication base station.
- BBU baseband unit
- RRU radio remote unit
- the old base station system can be upgraded, the fiber and power supply can be re-arranged, and the CPRI signal can be directly transmitted by using the optical fiber.
- this method requires a lot of engineering transformation and is costly. Therefore, in order to save cost, the CPRI signal can be transmitted by using the old coaxial line, and the CPRI electric port signal can be directly output, and the electric port signal converted from the DC power supply and the CPRI optical port signal can be combined by the biaser and then passed through the coaxial line.
- the line is transmitted to the upper tower, and then the optical port signal converted by the DC power supply and the C PR I electrical port signal is branched by the biaser, and the two parts of the signal are sent to the equipment on the tower.
- Embodiments of the present invention provide a method and apparatus for transmitting CPRI signals over a coaxial line, which can improve the utilization of frequency resources within the coaxial line.
- a method of transmitting a CPRI signal over a coaxial line comprising: Transmitting a common public radio interface CPRI signal sent by the transmitting end to form a parallel data stream;
- the valid data is converted into an analog signal that can be transmitted and moved to a specified frequency, and transmitted to the receiving end via a coaxial line.
- a method of transmitting a CPRI signal over a coaxial line comprising:
- the parallel data stream is converted to form a CPRI signal and transmitted to the receiving end.
- a device for transmitting a CPRI signal over a coaxial line comprising:
- a first conversion module configured to convert a common public wireless interface CPRI signal sent by the transmitting end to form a parallel data stream
- a parsing module configured to extract valid data in the data stream by frame parsing
- a first processing module configured to convert the valid data into an analog signal that can be transmitted and move to a specified frequency, by using a coaxial The line is sent to the receiving end.
- a device for transmitting a CPRI signal over a coaxial line comprising:
- a second processing module configured to convert an analog signal sent by the transmitting end through the coaxial line into valid data
- a synthesis module configured to synthesize the valid data into a parallel data stream
- a second conversion module configured to convert the parallel data stream to form a CPRI signal, and send the signal to the receiving end.
- the data is converted into an analog signal that can be transmitted and moved to a specified frequency, and transmitted to the receiving end through the coaxial line.
- the analog signal sent by the transmitting end through the coaxial line is converted into an effective signal.
- Data, synthesizing the valid data into parallel The data stream is converted, and the parallel data stream is converted to form a CPRI signal and sent to the receiving end.
- the embodiment of the present invention converts the CPRI signal into a narrow bandwidth analog signal and transmits it through the coaxial line, so that the CPRI signal can be transmitted more effectively, and the utilization rate of the frequency resources in the coaxial line is improved.
- Embodiment 1 is a flowchart of a method according to Embodiment 1 of the present invention.
- Embodiment 3 is a flowchart of a method according to Embodiment 3 of the present invention.
- FIG. 4 is a schematic diagram of the overall framework of the CPRI protocol
- FIG. 5 is a flowchart of a method according to Embodiment 4 of the present invention.
- FIG. 7, and FIG. 8 are schematic structural diagrams of a device according to Embodiment 5 of the present invention.
- FIG. 9, FIG. 10 and FIG. 11 are schematic diagrams showing the structure of a device according to Embodiment 6 of the present invention. detailed description
- the embodiment provides a method for transmitting a CPRI signal through a coaxial line. As shown in FIG. 1 , at the transmitting end, the method includes: 101. Convert the CPRI signal sent by the sending end to form a parallel data stream.
- the CPRI signal sent by the transmitting end can be converted at the physical layer to form a parallel data stream.
- the sending end may be a BBU, and the receiving end may be an RRU; or the sending end is an RRU, and the receiving end is a BBU; or the sending end is a REC (Radio Equipment Control, wireless device control)
- the receiving end is an RE (Radio Equipment); or the transmitting end is an RE, and the receiving end is an REC, but is not limited thereto.
- a CPRI signal is transmitted through a coaxial line, and at the transmitting end, the CPRI signal is converted to form a parallel data stream, and valid data in the data stream is extracted through frame parsing, and the valid data is extracted. It is converted into an analog signal that can be transmitted and moved to the specified frequency, and sent to the receiving end through the coaxial line.
- the embodiment of the present invention converts the CPRI signal into a narrow bandwidth analog signal and transmits it through the coaxial line, thereby transmitting the CPRI signal more effectively and improving the utilization of the frequency resources in the coaxial line.
- the embodiment provides a method for transmitting a CPRI signal through a coaxial line. As shown in FIG. 2, at the receiving end, the method includes:
- the parallel data streams may be converted at the physical layer to form a CPRI signal.
- the receiving end may be a BBU, and the receiving end may be an RRU; or the transmitting end is an RRU, and the receiving end is a BBU; or the transmitting end is an REC, and the receiving end is an RE; Or, the sending end is an RE, and the receiving end is an REC, but is not limited thereto.
- the CPRI signal is transmitted by the coaxial line, and the analog signal sent by the transmitting end through the coaxial line is converted into effective data, and the valid data is synthesized into a parallel data stream, and the parallel data is The data stream is converted to form a CPRI signal and sent to the receiving end.
- the embodiment of the present invention converts the CPRI signal into a narrow bandwidth analog signal and transmits it through the coaxial line, so that the CPRI signal can be transmitted more effectively, and the utilization rate of the frequency resources in the coaxial line is improved.
- the embodiment provides a method for transmitting a CPRI signal by using a coaxial line.
- the method is the same as the RRU, and the method of the embodiment is applicable to the RRU.
- the receiver is the scene of the BBU.
- a first device connected to the transmitting end is disposed at the transmitting end, and a second device connected to the receiving end is disposed at the receiving end; the first device is configured to send to the sending end
- the signal is processed, and the processed signal is sent to a second device, and the second device is configured to process the signal processed by the first device and send the signal to the receiving end.
- the method includes:
- the first device converts the CPRI signal sent by the BBU at a physical layer to form a parallel data stream.
- the CPRI protocol is divided into two layers and three data planes.
- the Layer 1 layer is the physical layer, including the specifications of the optical port/electrical port, the transmission rate of the line, the codec of the line, the format of the frame, and the distance of the transmission. It can be transmitted by electric signal through cable or twisted pair, or transmitted over long distance by optical fiber.
- the transmission rate for the line can be selected from the following: 614. 4Mbi t/s, 1228. 8Mbi t/s, 2457. 6Mbi t/s, 3072. 0Mbi t/s, 4915. 2Mbi t/s, 6144. OMbi t/s , this link has more flexibility.
- Layer 2 layer is the data link layer, which specifies media access control, operation and maintenance data protection, and error detection.
- the three data planes are divided into User Plane, Control and Maintenance (Control and Management). Plane) and Synchroniza t ion Plane.
- the user plane mainly carries the data transmitted between the base station and the terminal, that is, the digital baseband (IQ) data of the user platform, and the control and maintenance plane mainly carries the operation and maintenance information of Layer 1 and the upper layer, and the synchronization plane mainly carries the information of synchronization and timing.
- IQ digital baseband
- the converting at the physical layer specifically includes parallel-to-serial conversion
- the converting at the physical layer may further include: scrambling the transmission data, linearly encoding, and converting to a differential signal by a driver.
- the first device separates user plane data, management control plane data, and synchronization timing data from the data stream by performing frame parsing on the data frame in the data stream.
- the user plane data includes data transmitted between the base station and the terminal, that is, user platform digital baseband (IQ) data;
- the management control plane data includes physical layer and upper layer operation and maintenance information;
- the synchronization timing data includes synchronization and timing information.
- the receiving end can separate the user plane data, the control management plane data and the synchronization timing data according to the data format of the protocol.
- the first consecutive 1 / 16 data of each base frame is synchronous timing and control management plane information, and the subsequent 15/ 16 data is user plane data.
- the first device performs high-order modulation on the user plane data, and up-converts to a specified frequency point to obtain a first modulated signal.
- the designated frequency point is a frequency point where the first modulation signal is located, and at the specified frequency point, the signal of the first modulation signal adjacent to the first modulation signal is as close as possible but not the first The signals adjacent to the modulated signal overlap.
- the high-order modulation may be a high-order QAM (Quadrature Amplitude Modulation), but is not limited thereto.
- the first device performs high-order modulation on the management control plane data and the synchronization timing data, and up-converts to a specified frequency point to obtain a second modulation signal.
- the designated frequency point is a frequency point where the second modulation signal is located, and at the specified frequency point, the signal adjacent to the second modulation signal and the second modulation signal is as close as possible but not the second The signals adjacent to the modulated signal overlap.
- the first device combines the first modulated signal and the second modulated signal into one analog signal, and sends the signal to the second device by using a coaxial line.
- step 305 can also be replaced by step 305a:
- the first device combines the first modulated signal and the second modulated signal into one analog signal, and then combines the analog signal with a power signal sent by the BBU by using a bias (BIAS Tee), and after combining The signal is sent to the second device via the coaxial line.
- a bias BiAS Tee
- the second device divides the analog signal into a first signal and a second signal.
- step 306 may also be replaced by step 306a:
- the second device uses the biaser to decompose the combined signal into an analog signal and a power signal, and divides the analog signal into a first signal and a second signal, and sends the power signal to the RRU.
- the second device demodulates the first signal to obtain user plane data.
- the second device demodulates the second signal to obtain management control plane data and synchronization timing data.
- the second device synthesizes user plane data, management control plane data, and synchronization timing data into parallel data streams.
- the second device converts the parallel data stream into a physical layer to form a CPRI signal, and sends the data to the RRU.
- the transmission of the CPRI signal at a rate of 2457. 6 Mb it/s requires a bandwidth of 4.9152 GHz; and when the CPRI signal is transmitted by the method of the embodiment, 2457. 6Mb it / s rate transmission CPRI signal only needs to occupy a bandwidth of 287. 5MHz. Therefore, the method of the embodiment of the present invention can improve the utilization of frequency resources in the coaxial line.
- the CPRI signal is transmitted by the coaxial line
- the first device converts the CPRI signal sent by the BBU into a parallel data stream at the physical layer, and extracts valid data in the data stream by frame parsing, and
- the valid data is converted into an analog signal that can be transmitted and moved to a specified frequency, and transmitted to the second device through the coaxial line, before the analog signal reaches the RRU
- the second device converts the analog signal sent by the first device through the coaxial line into valid data, synthesizes the valid data into a parallel data stream, and converts the parallel data stream into a physical layer to form a CPRI signal transmission.
- the embodiment of the present invention converts the CPRI signal into a narrow bandwidth analog signal and transmits it through the coaxial line, thereby transmitting the CPRI signal more effectively and improving the utilization of the frequency resources in the coaxial line.
- the embodiment provides a method for transmitting a CPRI signal by using a coaxial line.
- the method is the same as the RRU, and the method of the embodiment is applicable to the RRU.
- the receiver is the scene of the BBU.
- a first device connected to the transmitting end is provided, and at the receiving end, a second device connected to the receiving end is provided; the first device is configured to send a signal to the transmitting end. Processing is performed, and the processed signal is sent to the second device, and the second device is configured to process the signal processed by the first device and send the signal to the receiving end.
- the method includes:
- the first device converts the CPRI signal sent by the BBU into a physical layer to form a parallel data stream.
- the converting at the physical layer specifically includes serial-to-parallel conversion
- the converting at the physical layer may further include: converting the external differential signal into serial data, and decoding and descrambling the serial-converted output.
- the first device separates user plane data, management control plane data, and synchronization timing data from the data stream by performing frame parsing on the data frame in the data stream.
- the user plane data includes data transmitted between the base station and the terminal, that is, user platform digital baseband (IQ) data;
- the management control plane data includes physical layer and upper layer operation and maintenance information;
- the synchronization timing data includes synchronization and timing information.
- the first device separates the user plane data into multiple antenna carrier AxC signals, and upconverts each channel AxC signal to a designated frequency point.
- the designated frequency point is a frequency point where the AxC signal is located.
- the signal adjacent to the AxC signal and the AxC signal is as close as possible but does not overlap with the signal adjacent to the AxC signal.
- the first device performs high-order modulation on the management control plane data and the synchronization timing data, and up-converts to a specified frequency point to obtain a third modulation signal.
- the designated frequency point is a frequency point where the third modulation signal is located, and at the specified frequency point, the signal adjacent to the third modulation signal and the third modulation signal is as close as possible but not the third The signals adjacent to the modulated signal overlap.
- the first device combines the AxC signals and the third modulated signals into one analog signal, and sends the signal to the second device by using a coaxial line.
- step 505 can also be replaced by step 505a:
- the first device combines the AxC signals and the third modulated signals into one analog signal, and then combines the analog signal with the power signal sent by the BBU by using a bias (BIAS Tee) to combine the signals.
- the signal is sent to the second device via the coaxial line.
- the second device divides the analog signal into a third signal and a multiple AxC signal.
- step 506 may also be replaced by step 506a:
- the second device uses the biaser to decompose the combined signal into an analog signal and a power signal, divide the analog signal into a third signal and multiple AxC signals, and send the power signal to the RRU.
- the second device demodulates the third signal to obtain management control plane data and synchronization timing data.
- the second device combines the multiple AxC signals to obtain user plane data.
- the second device synthesizes user plane data, management control plane data, and synchronization timing data into parallel data streams.
- the second device converts the parallel data stream into a physical layer to form a CPRI signal.
- RRU sends.
- the CPRI signal is transmitted by the coaxial line
- the first device converts the CPRI signal sent by the BBU into a parallel data stream at the physical layer, and extracts valid data in the data stream by frame parsing, and The valid data is converted into an analog signal that can be transmitted and moved to a specified frequency, and transmitted to the second device through the coaxial line.
- the second device sends the first device through the coaxial line.
- the analog signal is converted into valid data
- the valid data is synthesized into a parallel data stream
- the parallel data stream is converted at the physical layer to form a CPRI signal and sent to the RRU.
- the embodiment of the present invention converts the CPRI signal into a narrow bandwidth analog signal and transmits it through the coaxial line, thereby transmitting the CPRI signal more effectively and improving the utilization of the frequency resources in the coaxial line.
- the embodiment provides a device for transmitting a CPRI signal through a coaxial line. As shown in FIG. 6, the device includes:
- a first conversion module 601 configured to convert a common public wireless interface CPRI signal sent by the transmitting end to form a parallel data stream
- the first conversion module 601 can convert the CPRI signal sent by the transmitting end to a parallel data stream at a physical layer;
- the parsing module 602 is configured to extract valid data in the data stream by frame parsing; the first processing module 603 is configured to convert the valid data into an analog signal that can be transmitted and move to a specified frequency, The coaxial line is sent to the receiving end.
- parsing module 602 is specifically configured to: perform frame parsing on the data frame in the data stream, and separate user plane data, management control plane data, and synchronization from the data stream. Time data.
- the user plane data includes data transmitted between the base station and the terminal, that is, user platform digital baseband (IQ) data;
- the management control plane data includes physical layer and upper layer operation and maintenance information;
- the synchronization timing data includes synchronization and timing information.
- the first processing module 603 may include:
- a first modulating unit 6031 configured to perform high-order modulation on the user plane data, and upconvert to a specified frequency point to obtain a first path signal
- the designated frequency point is a frequency point where the first modulation signal is located, and at the specified frequency point, the signal of the first modulation signal adjacent to the first modulation signal is as close as possible but not the first The signals adjacent to the modulated signal overlap.
- a second modulating unit 6032 configured to perform high-order modulation on the management control plane data and the synchronization timing data, and upconvert to a specified frequency point to obtain a second modulation signal
- the designated frequency point is a frequency point where the second modulation signal is located, and at the specified frequency point, the signal adjacent to the second modulation signal and the second modulation signal is as close as possible but not the second The signals adjacent to the modulated signal overlap.
- the first combining unit 6033 is configured to combine the first modulated signal and the second modulated signal into one signal.
- the first processing module 603 may include:
- a separating unit 6034 configured to separate the user plane data into multiple AxC signals, and upconvert each AxC signal to a designated frequency point;
- the designated frequency point is a frequency point where the AxC signal is located, and at the specified frequency point, the
- the signal adjacent to the AxC signal is as close as possible to the signal adjacent to the AxC signal.
- a third modulating unit 6035 configured to perform high-order modulation on the management control plane data and the synchronization timing data, and upconvert to a specified frequency point to obtain a third modulation signal
- the designated frequency point is a frequency point where the third modulation signal is located, and at the designated frequency point,
- the signal adjacent to the third modulated signal and the signal adjacent to the third modulated signal are as close as possible but do not overlap with the signal adjacent to the third modulated signal.
- the second merging unit 6036 is configured to combine the AxC signals and the third modulation signals into one signal.
- the sending end and the receiving end may be a BBU and an RRU, respectively.
- the sending end and the receiving end may also be an RRU and a BBU, respectively.
- a device for transmitting a CPRI signal by a coaxial line converts a CPRI signal into a parallel data stream, extracts valid data in the data stream by frame parsing, and converts the valid data into a transmittable
- the analog signal is moved to the specified frequency and sent to the receiving end via the coaxial line.
- the embodiment of the present invention converts the CPRI signal into a narrow bandwidth analog signal and transmits it through the coaxial line, thereby transmitting the CPRI signal more effectively and improving the utilization of the frequency resources in the coaxial line.
- the embodiment provides a device for transmitting a CPRI signal through a coaxial line. As shown in FIG. 9, the device includes:
- a second processing module 901 configured to convert an analog signal sent by the transmitting end through the coaxial line into valid data
- a synthesizing module 902 configured to synthesize the valid data into a parallel data stream
- the second conversion module 903 is configured to convert the parallel data stream to form a CPRI signal, and send the signal to the receiving end.
- the second conversion module 903 can convert the parallel data streams at the physical layer to form a CPRI signal.
- the second processing module 901 may include:
- a first decomposing unit 9011 configured to decompose the analog signal into a first signal and a second signal
- a first demodulating unit 9012 configured to demodulate the first signal to obtain user plane data
- the adjusting unit 9013 is configured to demodulate the second signal to obtain a management control plane According to and synchronization timing data.
- the user plane data includes data transmitted between the base station and the terminal, that is, user platform digital baseband (IQ) data;
- the management control plane data includes physical layer and upper layer operation and maintenance information;
- the synchronization timing data includes synchronization and timing information.
- the second processing module 901 may include:
- a second decomposition unit 9014 configured to decompose the analog signal into a third signal and multiple AxC signals
- a third demodulation unit 9015 configured to demodulate the third signal to obtain management control plane data and synchronization timing data
- the combining unit 9016 is configured to combine the multiple AxC signals to obtain user plane data. Further, the synthesizing module 902 is specifically configured to synthesize user plane data, management control plane data, and synchronization timing data into parallel data streams.
- the sending end and the receiving end are respectively a BBU and an RRU.
- the sending end and the receiving end may also be an RRU and a BBU, respectively.
- the apparatus for transmitting the CPRI signal by the coaxial line converts the analog signal sent by the transmitting end through the coaxial line into effective data, and synthesizes the valid data into parallel data streams, and the parallel The data stream is converted to form a CPRI signal and sent to the receiving end.
- the embodiment of the present invention converts the CPRI signal into a narrow bandwidth analog signal and transmits it through the coaxial line, so that the CPRI signal can be transmitted more effectively, and the utilization rate of the frequency resources in the coaxial line is improved.
- the apparatus for transmitting a CPRI signal through a coaxial line provided by the embodiment of the present invention can implement the method embodiment provided above.
- the method and apparatus for transmitting a CPRI signal over a coaxial line provided by an embodiment of the present invention may be adapted to transmit a CPRI signal through a coaxial line, but is not limited thereto.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2810434A CA2810434C (en) | 2010-11-01 | 2010-11-01 | Method and apparatus for transmitting cpri signal by means of coaxial line |
EP20100851293 EP2600684B1 (en) | 2010-11-01 | 2010-11-01 | Method and device for transmitting common public radio interface signals via coaxial line |
CN201080003407.XA CN102217412B (zh) | 2010-11-01 | 2010-11-01 | 通过同轴线传输cpri信号的方法及装置 |
PCT/CN2010/078307 WO2011140789A1 (zh) | 2010-11-01 | 2010-11-01 | 通过同轴线传输cpri信号的方法及装置 |
RU2013118217/07A RU2548676C2 (ru) | 2010-11-01 | 2010-11-01 | Способ и устройство для передачи сигнала cpri посредством коаксиальной линии |
BR112013009741-8A BR112013009741B1 (pt) | 2010-11-01 | 2010-11-01 | Método e aparelho para transmitir sinal cpri por meio de linha coaxial |
US13/870,183 US8923759B2 (en) | 2010-11-01 | 2013-04-25 | Method and apparatus for transmitting CPRI signal by means of coaxial line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2010/078307 WO2011140789A1 (zh) | 2010-11-01 | 2010-11-01 | 通过同轴线传输cpri信号的方法及装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/870,183 Continuation US8923759B2 (en) | 2010-11-01 | 2013-04-25 | Method and apparatus for transmitting CPRI signal by means of coaxial line |
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WO2011140789A1 true WO2011140789A1 (zh) | 2011-11-17 |
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US (1) | US8923759B2 (zh) |
EP (1) | EP2600684B1 (zh) |
CN (1) | CN102217412B (zh) |
BR (1) | BR112013009741B1 (zh) |
CA (1) | CA2810434C (zh) |
RU (1) | RU2548676C2 (zh) |
WO (1) | WO2011140789A1 (zh) |
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WO2011140789A1 (zh) | 2010-11-01 | 2011-11-17 | 华为技术有限公司 | 通过同轴线传输cpri信号的方法及装置 |
CN103404191B (zh) * | 2013-01-18 | 2017-04-26 | 华为技术有限公司 | 数据传输的方法、装置和系统 |
US10334008B2 (en) | 2013-07-04 | 2019-06-25 | Nxp Usa, Inc. | Method and device for data streaming in a mobile communication system |
WO2015001389A1 (en) * | 2013-07-04 | 2015-01-08 | Freescale Semiconductor, Inc. | Method and device for streaming control data in a mobile communication system |
CN104955087B (zh) * | 2014-03-25 | 2019-03-01 | 华为技术有限公司 | 一种无线基站的控制系统及方法、相关设备 |
CN105207967B (zh) * | 2014-05-30 | 2019-07-12 | 中兴通讯股份有限公司 | 混合通信数据的分流方法和系统 |
US10027413B2 (en) * | 2015-06-18 | 2018-07-17 | Futurewei Technologies, Inc. | Cascaded waveform modulation with an embedded control signal for high-performance mobile fronthaul |
CN106534006A (zh) * | 2016-10-25 | 2017-03-22 | 孔令斌 | 一种通用公共无线接口信息的处理系统和方法 |
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CN1960231A (zh) * | 2005-10-31 | 2007-05-09 | Ut斯达康通讯有限公司 | Cpri链路多路复用传输方法及系统 |
CN101106460A (zh) * | 2006-07-11 | 2008-01-16 | 杭州华三通信技术有限公司 | 基于电视同轴线的以太网收发装置 |
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2010
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- 2010-11-01 CN CN201080003407.XA patent/CN102217412B/zh active Active
- 2010-11-01 EP EP20100851293 patent/EP2600684B1/en active Active
- 2010-11-01 BR BR112013009741-8A patent/BR112013009741B1/pt active IP Right Grant
- 2010-11-01 RU RU2013118217/07A patent/RU2548676C2/ru active
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CN102217412A (zh) | 2011-10-12 |
BR112013009741A2 (pt) | 2016-07-19 |
CA2810434C (en) | 2016-01-12 |
RU2548676C2 (ru) | 2015-04-20 |
EP2600684B1 (en) | 2015-04-22 |
BR112013009741B1 (pt) | 2021-06-15 |
EP2600684A1 (en) | 2013-06-05 |
US20130237161A1 (en) | 2013-09-12 |
CA2810434A1 (en) | 2011-11-17 |
CN102217412B (zh) | 2014-08-13 |
US8923759B2 (en) | 2014-12-30 |
RU2013118217A (ru) | 2014-12-10 |
EP2600684A4 (en) | 2013-09-11 |
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