WO2010084876A1 - 無線基地局、無線装置制御装置及び無線装置 - Google Patents
無線基地局、無線装置制御装置及び無線装置 Download PDFInfo
- Publication number
- WO2010084876A1 WO2010084876A1 PCT/JP2010/050616 JP2010050616W WO2010084876A1 WO 2010084876 A1 WO2010084876 A1 WO 2010084876A1 JP 2010050616 W JP2010050616 W JP 2010050616W WO 2010084876 A1 WO2010084876 A1 WO 2010084876A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- downlink
- uplink
- wireless device
- antenna
- carrier
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
Definitions
- the present invention relates to a wireless base station, a wireless device control device, and a wireless device.
- a radio device RE Radio Equipment
- a radio device controller REC Radio Equipment Control
- a physical line such as an optical line or an electric line is provided between the radio device RE and the radio device controller REC.
- a radio base station BTS Base Transceiver Station
- the radio device RE and the radio device control device REC constituting such a radio base station are separate devices connected via a physical line, even if a failure occurs in one device, The other device has a problem that it cannot immediately detect the occurrence of the failure and cannot immediately stop the wireless communication.
- the radio device RE and the radio device control apparatus REC are configured to always monitor each other's state in the “control & management area” in the layer 3. .
- An object of the present invention is to provide a wireless base station, a wireless device control device, and a wireless device.
- a first feature of the present invention is a radio base station including a radio apparatus connected via a physical line and a radio apparatus control apparatus, wherein the radio apparatus receives each carrier received via each antenna. So that the uplink IQ data obtained by performing demodulation processing on the uplink signal is transmitted as uplink IQ data corresponding to the combination of each antenna and each carrier to the radio apparatus control apparatus via the physical line.
- a downlink radio unit configured to transmit the downlink signal of each of the radio signals via each antenna, and the radio device control device includes: An uplink communication processing unit configured to acquire uplink user data from the uplink IQ data received from the wireless device via a line, and the downlink IQ data acquired from downlink user data to the physical line
- a downlink communication processing unit configured to transmit to the wireless device via the wireless communication device, and when the occurrence of an uplink communication failure in the physical line is detected in the wireless device control device, the downlink communication processing The unit is configured to transmit the downlink IQ data values corresponding to the combinations of all antennas and all carriers to the radio apparatus as all “0”, and the downlink radio unit includes all the values “0”.
- the downlink IQ data is received, it is configured to stop transmission of downlink signals of all carriers via all antennas. The the gist
- a radio base station including a radio apparatus connected via a physical line and a radio apparatus control apparatus, wherein the radio apparatus receives each carrier received via each antenna. So that the uplink IQ data obtained by performing demodulation processing on the uplink signal is transmitted as uplink IQ data corresponding to the combination of each antenna and each carrier to the radio apparatus control apparatus via the physical line.
- a downlink radio unit configured to transmit the downlink signal of each of the radio signals via each antenna, and the radio device control device includes: An uplink communication processing unit configured to acquire uplink user data from the uplink IQ data received from the wireless device via a line, and the downlink IQ data acquired from downlink user data to the physical line
- a downlink communication processing unit configured to transmit to the wireless device via the wireless communication device, the uplink communication processing corresponding to uplink IQ data corresponding to a combination of a specific antenna and a specific carrier in the wireless device control device Or when the occurrence of a failure in the downlink communication processing unit corresponding to the downlink IQ data corresponding to the combination of the specific antenna and the specific carrier is detected, the downlink communication processing unit sets the combination of the specific antenna and the specific carrier.
- the downlink IQ data values corresponding to are all transmitted as “0” to the wireless device.
- the downlink radio unit is configured to stop transmission of the downlink signal of the specific carrier via the specific antenna when the downlink IQ data whose value is all “0” is received. This is the gist.
- a third feature of the present invention is a radio base station including a radio apparatus and a radio apparatus control apparatus that are connected via a physical line, and the radio apparatus uses an uplink of each carrier via each antenna.
- the uplink radio unit configured to receive the signal and the uplink IQ data acquired by performing demodulation processing on the received uplink signal
- the uplink radio unit configured to transmit to the wireless device control device via the physical line and each antenna and each carrier received from the wireless device control device via the physical line
- the downlink signal of each carrier acquired by performing modulation processing on the downlink IQ data to be transmitted is configured to be transmitted via each antenna.
- An uplink communication processing unit configured to obtain uplink user data from the uplink IQ data received from the radio device via the physical line. And a downlink communication processing unit configured to transmit the downlink IQ data acquired from downlink user data to the wireless device via the physical line, and in the wireless device,
- the downlink radio unit It is configured to stop transmission of downlink signals of all carriers via an antenna, and the uplink communication processing unit is configured to transmit all antennas and all carriers. That is configured to transmit to the wireless device control device all "0" values of the uplink IQ data corresponding to the combined saw is summarized as.
- a wireless base station comprising a wireless device connected via a physical line and a wireless device control device, wherein the wireless device receives each carrier received via each antenna. So that the uplink IQ data obtained by performing demodulation processing on the uplink signal is transmitted as uplink IQ data corresponding to the combination of each antenna and each carrier to the radio apparatus control apparatus via the physical line.
- a downlink communication processing unit configured to acquire a downlink signal, and the acquired downlink signal of each carrier is transmitted via each antenna.
- the wireless device control device is configured to acquire uplink user data from the uplink IQ data received from the wireless device via the physical line.
- An uplink communication processing unit, and a downlink communication processing unit configured to transmit the downlink IQ data acquired from downlink user data to the wireless device via the physical line, the wireless device Detecting the occurrence of a failure in the uplink communication processing unit corresponding to the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier or the downlink communication processing unit corresponding to the downlink IQ data corresponding to the combination of the specific antenna and the specific carrier
- the downlink radio unit stops transmitting the downlink signal of the specific carrier via the specific antenna.
- the uplink communication processing unit is configured to transmit all the values of uplink IQ data corresponding to the combination of the specific antenna and the specific carrier to the radio apparatus control apparatus as “0”. This is the gist.
- a fifth feature of the present invention is a wireless device control device that is connected to a wireless device via a physical line and constitutes a wireless base station, and each antenna received from the wireless device via the physical line
- An uplink communication processing unit configured to acquire uplink user data from uplink IQ data corresponding to each carrier combination, and downlink IQ data corresponding to each antenna and each carrier acquired from downlink user data
- a downlink communication processing unit configured to transmit to the wireless device via the physical line, and in the wireless device control device, occurrence of an uplink communication failure in the physical line is detected
- the downlink communication processing unit sets all values of downlink IQ data corresponding to combinations of all antennas and all carriers to “0”.
- the wireless device is configured to transmit to the wireless device, and when the wireless device receives the downlink IQ data whose values are all “0”, the wireless device transmits downlink signals of all carriers via all antennas.
- the gist of the invention is that it is configured to stop.
- a sixth feature of the present invention is a wireless device control apparatus that is connected to a wireless device via a physical line and constitutes a wireless base station, and each antenna received from the wireless device via the physical line
- An uplink communication processing unit configured to acquire uplink user data from uplink IQ data corresponding to each carrier combination, and downlink IQ data corresponding to each antenna and each carrier acquired from downlink user data
- a downlink communication processing unit configured to transmit to the wireless device via the physical line, and in the wireless device control device, in the uplink IQ data corresponding to a combination of a specific antenna and a specific carrier Corresponds to the corresponding uplink communication processing unit or downlink IQ data corresponding to a combination of a specific antenna and a specific carrier
- the downlink communication processing unit sets all the values of downlink IQ data corresponding to the combination of the specific antenna and the specific carrier to “0” to the radio apparatus.
- the wireless device is configured to transmit, and when receiving the downlink IQ data whose values are all “0” to the radio apparatus.
- a seventh feature of the present invention is a radio apparatus that is connected to a radio apparatus control apparatus via a physical line and constitutes a radio base station, and receives an uplink signal of each carrier via each antenna.
- the uplink radio unit configured as described above, and the uplink IQ data acquired by performing demodulation processing on the received uplink signal, the uplink IQ data corresponding to the combination of each antenna and each carrier,
- An uplink communication processing unit configured to transmit to the wireless device control device via the wireless communication device, and downlink IQ data corresponding to a combination of each antenna and each carrier received from the wireless device control device via the physical line.
- a downlink radio unit configured to transmit a downlink signal of each carrier acquired by performing modulation processing on each antenna via each antenna;
- the downlink radio unit is configured to stop transmission of downlink signals of all carriers via all antennas, and the uplink communication processing unit is a combination of all antennas and all carriers.
- the gist of the present invention is that the uplink IQ data values corresponding to are all transmitted as “0” to the radio apparatus control apparatus.
- An eighth feature of the present invention is a wireless device that is connected to a wireless device control device via a physical line and constitutes a wireless base station, and for each carrier uplink signal received via each antenna.
- Uplink IQ data acquired by performing demodulation processing in this manner is transmitted as uplink IQ data corresponding to a combination of each antenna and each carrier to the radio apparatus control apparatus via the physical line.
- a downlink signal of each carrier is acquired by performing modulation processing on the downlink IQ data corresponding to the combination of each antenna and each carrier received from the wireless device control apparatus via the communication processing unit and the physical line.
- a downlink communication processing unit configured as described above, and configured to transmit the acquired downlink signal of each carrier via each antenna.
- the uplink communication processing unit corresponding to the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier or the downlink IQ data corresponding to the combination of the specific antenna and the specific carrier
- the downlink radio unit is configured to stop transmission of the downlink signal of the specific carrier via the specific antenna
- the gist of the present invention is that the communication processing unit is configured to transmit all the values of the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier as “0” to the radio apparatus control apparatus.
- the wireless base station and the wireless device that can immediately stop wireless communication in both devices A device control device and a wireless device can be provided.
- FIG. 1 is a functional block diagram of a radio base station according to the first embodiment of the present invention.
- FIG. 2 is a diagram illustrating a protocol stack used between a radio apparatus and a radio apparatus control apparatus configuring the radio base station according to the first embodiment of the present invention.
- FIG. 3 is a flowchart showing operations of the radio apparatus and radio apparatus control apparatus in the radio base station according to the first embodiment of the present invention.
- FIG. 4 is a flowchart showing operations of the radio apparatus and radio apparatus control apparatus in the radio base station according to the first embodiment of the present invention.
- FIG. 5 is a flowchart showing operations of the radio apparatus and radio apparatus control apparatus in the radio base station according to the first embodiment of the present invention.
- FIG. 6 is a flowchart showing operations of the radio apparatus and radio apparatus control apparatus in the radio base station according to the first embodiment of the present invention.
- the radio base station BTS includes a radio device RE and a radio device control device REC.
- the wireless device RE and the wireless device control device REC are separate devices and are connected to each other by a physical line such as an optical line or an electric line.
- the wireless device RE and the wireless device control device REC are defined by CPRI (Common Public Radio Interface).
- the radio apparatus RE includes a filter 22, a LNA (Low Noise Amplifier) 23, and a TRX function unit 21 as functions of the reception system, and a TRX function unit 21 as functions of the transmission system. , An amplifier 24 and a filter 25.
- LNA Low Noise Amplifier
- the filter 22 is configured to remove the interference wave signal from the uplink signal transmitted by the mobile station UE and received by each antenna.
- the LNA 23 is configured to amplify the upstream signal (desired wave signal) input from the filter 22.
- the amplifier 24 is configured to amplify the downstream signal input from the TRX function unit 21.
- the filter 25 is configured to remove a noise signal from the downstream signal input from the amplifier 24.
- the TRX function unit 21 realizes a function of an uplink radio unit configured to receive an uplink signal of each carrier via each antenna (and the filter 22 and the LNA 23 corresponding to each antenna).
- the TRX function unit 21 corresponds to the combination of each antenna (antenna branch) and each carrier with the uplink IQ data acquired by performing demodulation processing on the uplink signal of each carrier received via each antenna.
- a function of an uplink communication processing unit configured to transmit uplink IQ data to the radio apparatus controller REC via a physical line is realized.
- the number of antennas (antenna branches) may be plural or one. Therefore, in this specification, when the number of antennas (antenna branches) is one, the description “uplink IQ data and downlink IQ data corresponding to a combination of each antenna and each carrier” is “each carrier. It has the same meaning as "uplink IQ data and downlink IQ data corresponding to”. Similarly, when the number of antennas (antenna branches) is one, the description “uplink IQ data and downlink IQ data corresponding to a combination of all antennas and all carriers” is “all carriers”. It has the same meaning as "uplink IQ data and downlink IQ data corresponding to”.
- the TRX function unit 21 is configured to convert an uplink signal (radio frequency signal) of each carrier received by each antenna into an uplink signal (baseband signal).
- the TRX function unit 21 is configured to output an upstream signal having a constant output level by performing an AGC (Automatic Gain Control) process on the upstream signal (baseband signal).
- AGC Automatic Gain Control
- the AGC process is a process of changing the output level of the upstream signal in accordance with the input level of the upstream signal.
- the TRX function unit 21 performs AGC processing on the uplink signal (baseband signal) based on the dynamic range of the uplink signal (30 dB or more in 3GPP) and the number of usable bits (transmission path speed). It may be configured to determine whether or not to apply.
- the TRX function unit 21 is configured to perform demodulation processing (orthogonal demodulation processing) on the uplink signal subjected to AGC processing.
- the TRX function unit 21 performs AD conversion processing (analog-digital conversion processing) on the demodulated uplink signal and outputs uplink IQ data corresponding to each antenna and each carrier combination. Is configured to do.
- the TRX function unit 21 is configured to transmit uplink IQ data corresponding to the combination of each antenna and each carrier to the radio apparatus control apparatus REC.
- the TRX function unit 21 performs modulation processing on the downlink IQ data corresponding to the combination of each antenna and each carrier received from the radio apparatus control apparatus REC via the physical line, thereby converting the downlink signal of each carrier.
- the function of the downlink communication processing unit configured to acquire is realized.
- the TRX function unit 21 functions as a downlink radio unit configured to transmit the acquired downlink signal of each carrier via each antenna (and the amplifier 24 and the filter 25 corresponding to each antenna). Is realized.
- the layer 3 function unit of the TRX function unit 21 and the baseband processing unit 11 receives the application information received from the upper layer (layer 4) function unit in the “user plane information area” in the transmission frame. ”,“ Control & Management Plane Information Area ”or“ SYNC Information Area ”.
- IQ data In the inter-layer 2 communication between the wireless device control device REC and the wireless device RE, “IQ data”, “Vendor Specific data”, “Ethernet (registered trademark) data”, “HDLC data”, “L1 Inband Protocol (L1 Inband Protocol) data” and the like are configured to be transmitted and received.
- L1 in-band protocol is a protocol for performing link state maintenance and the like in layer 1.
- the TRX function unit 21 and the layer 2 function unit of the baseband processing unit 11 use the “SYNC information (synchronization information)” received from the layer 3 function unit for “L1 inband protocol data” in the transmission frame. It is configured to map to “Area”.
- the TRX function unit 21 and the layer 2 function unit of the baseband processing unit 11 transmit the “control & management plane information” received from the layer 3 function unit to the “L1 inband protocol data area”, “ It is configured to be mapped to any one of “HDLC data area”, “Ethernet (registered trademark) data area”, or “vendor-specific data area”.
- the TRX function unit 21 and the layer 2 function unit of the baseband processing unit 11 use the “user plane information” received from the layer 3 function unit as the “vendor-specific data area” or “IQ data area” in the transmission frame. To be mapped to.
- the TRX function unit 21 and the layer 1 function unit of the baseband processing unit 11 are configured to transmit information received from the layer 2 function unit on an electric line or an optical line using a time division multiplexing method. ing.
- the wireless device control apparatus REC includes a baseband processing unit 11, a call processing function unit 12, and a maintenance monitoring control function unit 13.
- the baseband processing unit 11 is configured to extract IQ data, vendor-specific data, Ethernet (registered trademark) data, HDLC data, L1 in-band protocol data, and the like from the frame received from the wireless device RE.
- the baseband processing unit 11 converts the IQ data mapped to the “IQ data area” in the transmission frame received from the radio apparatus RE via the physical line into a combination of each antenna and each carrier.
- the function of the uplink communication processing unit configured to acquire the corresponding uplink IQ data and acquire the uplink user data from the uplink IQ data corresponding to the acquired combination of each antenna and each carrier is realized.
- IQ data corresponding to a combination of each antenna and each carrier is mapped to a predetermined position in the “IQ data area”.
- IQ data mapping positions corresponding to combinations of antennas and carriers in the “IQ data area” are known.
- the baseband processing unit 11 has a function of performing despreading processing on the uplink IQ data corresponding to the received combination of each antenna and each carrier.
- the baseband processing unit 11 is configured to generate downlink IQ data corresponding to each antenna and each carrier from downlink user data acquired from an upper layer and transmit the downlink IQ data to the radio apparatus RE via a physical line.
- the function of the downstream communication processing unit is realized.
- the baseband processing unit 11 has a function of performing spreading processing on received downlink user data.
- the call processing function unit 22 is configured to perform call processing control using information (for example, user plane information and control & management plane information) output from the baseband processing unit 21.
- information for example, user plane information and control & management plane information
- the maintenance monitoring control function unit 13 is configured to perform maintenance monitoring control using information (for example, user plane information and control & management plane information) output from the baseband processing unit 21.
- step S101 the wireless device control device REC detects the occurrence of an uplink communication failure in the physical line.
- step S101 the baseband processing unit 11 determines that the uplink communication failure is not a failure in the physical line itself (failure in “electric transmission”, “optical transmission”, or “time division multiplexing”) but “HDLC” Detects communication failure in “Ethernet (registered trademark)” and “control & management plane”.
- step S102 the downlink communication processing unit in the baseband processing unit 11 transmits all the values of the downlink IQ data corresponding to the combinations of all the antennas and all the carriers to “0” to the radio apparatus RE.
- step S102 the downlink communication processing unit in the baseband processing unit 11 sets all the values of all downlink IQ data mapped to the “IQ data area” in the transmission frame to “0”.
- step S103 when the downlink communication processing unit in the TRX function unit 21 receives the downlink IQ data, that is, in the “IQ data area” in the transmission frame, a combination of all antennas and all carriers.
- the downlink radio unit in the TRX function unit 21 stops transmission of downlink signals of all carriers via all antennas.
- the radio equipment controller REC detects the occurrence of a failure in a partial function of the baseband processing unit 11 corresponding to a combination of a specific antenna and a specific carrier.
- the baseband processing unit 11 has a failure in a partial function (for example, a function of performing despreading processing) of the uplink communication processing unit corresponding to the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier. Detects the occurrence of a partial function (for example, a function of performing despreading processing) of the uplink communication processing unit corresponding to the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier. Detects the occurrence of
- the baseband processing unit 11 detects the occurrence of a failure in a partial function (for example, a function for performing modulation processing) of the downlink communication processing unit corresponding to the downlink IQ data corresponding to the combination of the specific antenna and the specific carrier. .
- a partial function for example, a function for performing modulation processing
- step S202 the downlink communication processing unit in the baseband processing unit 11 transmits all the values of the downlink IQ data corresponding to the combination of the specific antenna and the specific carrier to “0” to the radio apparatus.
- step S202 the downlink communication processing unit in the baseband processing unit 11 downloads the downlink corresponding to the combination of the specific antenna and the specific carrier in the downlink IQ data mapped to the “IQ data area” in the transmission frame. All values of IQ data are set to “0”.
- step S203 when the downlink communication processing unit in the TRX function unit 21 receives the downlink IQ data, that is, in the “IQ data area” in the transmission frame, the combination of the specific antenna and the specific carrier is supported.
- the downlink radio in the TRX function unit 21 stops the transmission of the downlink signal of the specific carrier via the specific antenna.
- the radio apparatus RE causes the occurrence of a downlink communication failure in the physical line, the occurrence of a failure in the uplink radio unit in the TRX function unit 21, or the downlink radio unit in the TRX function unit 21. Detects the occurrence of a failure in
- step S301 the downlink communication processing unit in the TRX function unit 21 is not a failure in the physical line itself (failure in “electric transmission”, “optical transmission”, or “time division multiplexing”) as the downlink communication failure.
- Communication failures in “HDLC”, “Ethernet (registered trademark)” and “control & management plane” are detected.
- step S302 the downlink radio unit in the TRX function unit 21 stops transmission of downlink signals of all carriers via all antennas.
- step S303 the uplink communication processing unit in the TRX function unit 21 transmits all the values of the uplink IQ data corresponding to the combinations of all the antennas and all the carriers to “0” and transmits them to the radio apparatus control apparatus REC.
- step S303 the uplink communication processing unit in the TRX function unit 21 sets all the values of all the uplink IQ data mapped to the “IQ data area” in the transmission frame to “0”.
- step S304 when the uplink communication processing unit in the baseband processing unit 11 receives the uplink IQ data, that is, in the “IQ data area” in the transmission frame, all the antennas and all the carriers are transmitted.
- the values of the uplink IQ data corresponding to the combination are all “0”, reception of uplink signals and transmission of downlink signals corresponding to combinations of all antennas and all carriers are stopped.
- step S401 the radio apparatus RE detects the occurrence of a failure in a partial function of the TRX function unit 21 corresponding to a combination of a specific antenna and a specific carrier.
- the TRX function unit 21 causes a failure in a partial function (for example, a function that performs demodulation processing) of the uplink communication processing unit corresponding to the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier. Is detected.
- a partial function for example, a function that performs demodulation processing
- the TRX function unit 21 detects the occurrence of a failure in a partial function (for example, a function for performing modulation processing) of the downlink communication processing unit corresponding to the downlink IQ data corresponding to the combination of the specific antenna and the specific carrier.
- a partial function for example, a function for performing modulation processing
- step S402 the downlink radio unit in the TRX function unit 21 stops transmission of the downlink signal of the specific carrier via the specific antenna.
- step S403 the uplink communication processing unit in the TRX function unit 21 transmits all the values of the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier as “0” to the radio apparatus control apparatus REC.
- the uplink communication processing unit in the TRX function unit 21 includes uplink IQ corresponding to the combination of the specific antenna and the specific carrier in the uplink IQ data mapped to the “IQ data area” in the transmission frame. All data values are set to “0”.
- step S404 when the uplink communication processing unit in the baseband processing unit 11 receives the uplink IQ data, that is, in the “IQ data area” in the transmission frame, the uplink communication processing unit sets the combination of the specific antenna and the specific carrier. When it is detected that the values of the corresponding uplink IQ data are all “0”, reception of the uplink signal corresponding to the combination of the specific antenna and the specific carrier is stopped.
- the radio apparatus RE and the radio apparatus control apparatus REC can monitor each other's state using the “IQ data area”.
- the other device immediately detects the occurrence of the failure regardless of the congestion status of the “control & management area”. can do.
- the radio equipment controller REC corresponds to a combination of all antennas and all carriers when it detects the occurrence of an uplink communication failure in a physical line.
- the radio apparatus RE detects the occurrence of a downlink communication failure in the physical line, or the uplink radio unit and the downlink radio in the TRX function unit 21.
- the value of the uplink IQ data corresponding to the combination of all antennas and all carriers is all set to “0” to the wireless device RE, thereby immediately Transmission of downlink signals and reception of uplink signals in REC can be stopped.
- the radio equipment controller REC causes a failure in a partial function of the baseband processing unit 11 corresponding to a combination of a specific antenna and a specific carrier.
- the value of the downlink IQ data corresponding to the combination of the specific antenna and the specific carrier is all set to “0” and transmitted to the radio apparatus RE. Only the transmission of the downlink signal corresponding to the combination of the antenna and the specific carrier can be stopped.
- the radio apparatus RE detects occurrence of a failure in a partial function of the TRX function unit 21 corresponding to a combination of a specific antenna and a specific carrier
- the radio equipment controller REC transmitting all the values of the uplink IQ data corresponding to the combination of the specific antenna and the specific carrier to “0” to the radio equipment controller REC, the radio equipment controller REC immediately becomes a failure target. Only the transmission of the downlink signal and the reception of the uplink signal corresponding to the combination of the specific antenna and the specific carrier can be stopped.
- the operations of the wireless device RE and the wireless device control device REC described above may be performed by hardware, may be performed by a software module executed by a processor, or may be performed by a combination of both. Good.
- Software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, and Hard Disk). Alternatively, it may be provided in an arbitrary format storage medium such as a CD-ROM.
- the storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Further, such a storage medium and a processor may be provided in the ASIC. Such an ASIC may be provided in the wireless device RE and the wireless device control device REC. Further, the storage medium and the processor may be provided in the wireless device RE and the wireless device control device REC as discrete components.
Abstract
Description
図1及び図2を参照して、本発明の第1の実施形態に係る無線基地局BTSの構成について説明する。
以下、図3乃至図6を参照して、本発明の第1の実施形態に係る無線基地局BTS内で各種障害が発生した場合の動作について説明する。
本発明の第1の実施形態に係る無線基地局によれば、無線装置RE及び無線装置制御装置RECは、「IQデータ領域」を用いて、互いの状態を監視することができるため、無線装置RE及び無線装置制御装置RECの一方の装置において障害が発生した場合には、「コントロール&マネージメント領域」の輻輳状況等に関係なく、他方の装置は、即座に、かかる障害の発生を即座に検出することができる。
Claims (8)
- 物理回線を介して接続されている無線装置と無線装置制御装置とを具備する無線基地局であって、
前記無線装置は、
各アンテナを介して受信した各キャリアの上り信号に対して復調処理を施すことによって取得した上りIQデータを、各アンテナ及び各キャリアの組み合わせに対応する上りIQデータとして、前記物理回線を介して前記無線装置制御装置に送信するように構成されている上り通信処理部と、
前記物理回線を介して前記無線装置制御装置から受信した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータに対して変調処理を施すことによって取得した各キャリアの下り信号を、各アンテナを介して送信するように構成されている下り無線部とを具備し、
前記無線装置制御装置は、
前記物理回線を介して前記無線装置から受信した前記上りIQデータから、上りユーザデータを取得するように構成されている上り通信処理部と、
下りユーザデータから取得した前記下りIQデータを、前記物理回線を介して前記無線装置に送信するように構成されている下り通信処理部とを具備し、
前記無線装置制御装置において、前記物理回線における上り通信障害の発生が検知された場合に、前記下り通信処理部は、全てのアンテナ及び全てのキャリアの組み合わせに対応する下りIQデータの値を全て「0」として前記無線装置に送信するように構成されており、
前記下り無線部は、値が全て「0」である前記下りIQデータを受信した場合に、全てのアンテナを介した全てのキャリアの下り信号の送信を停止するように構成されていることを特徴とする無線基地局。 - 物理回線を介して接続されている無線装置と無線装置制御装置とを具備する無線基地局であって、
前記無線装置は、
各アンテナを介して受信した各キャリアの上り信号に対して復調処理を施すことによって取得した上りIQデータを、各アンテナ及び各キャリアの組み合わせに対応する上りIQデータとして、前記物理回線を介して前記無線装置制御装置に送信するように構成されている上り通信処理部と、
前記物理回線を介して前記無線装置制御装置から受信した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータに対して変調処理を施すことによって取得した各キャリアの下り信号を、各アンテナを介して送信するように構成されている下り無線部とを具備し、
前記無線装置制御装置は、
前記物理回線を介して前記無線装置から受信した前記上りIQデータから、上りユーザデータを取得するように構成されている上り通信処理部と、
下りユーザデータから取得した前記下りIQデータを、前記物理回線を介して前記無線装置に送信するように構成されている下り通信処理部とを具備し、
前記無線装置制御装置において、特定アンテナ及び特定キャリアの組み合わせに対応する上りIQデータに対応する前記上り通信処理部又は特定アンテナ及び特定キャリアに組み合わせに対応する下りIQデータに対応する前記下り通信処理部における障害の発生が検出された場合に、前記下り通信処理部は、該特定アンテナ及び該特定キャリアの組み合わせに対応する下りIQデータの値を全て「0」として前記無線装置に送信するように構成されており、
前記下り無線部は、値が全て「0」である前記下りIQデータを受信した場合に、該特定アンテナを介した該特定キャリアの下り信号の送信を停止するように構成されていることを特徴とする無線基地局。 - 物理回線を介して接続されている無線装置と無線装置制御装置とを具備する無線基地局であって、
前記無線装置は、
各アンテナを介して各キャリアの上り信号を受信するように構成されている上り無線部と、
受信した前記上り信号に対して復調処理を施すことによって取得した上りIQデータを、各アンテナ及び各キャリアの組み合わせに対応する上りIQデータとして、前記物理回線を介して前記無線装置制御装置に送信するように構成されている上り通信処理部と、
前記物理回線を介して前記無線装置制御装置から受信した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータに対して変調処理を施すことによって取得した各キャリアの下り信号を、各アンテナを介して送信するように構成されている下り無線部とを具備し、
前記無線装置制御装置は、
前記物理回線を介して前記無線装置から受信した前記上りIQデータから、上りユーザデータを取得するように構成されている上り通信処理部と、
下りユーザデータから取得した前記下りIQデータを、前記物理回線を介して前記無線装置に送信するように構成されている下り通信処理部とを具備し、
前記無線装置において、前記物理回線における下り通信障害の発生が検知された場合、前記上り無線部における障害の発生が検知された場合、或いは、前記下り無線部における障害の発生が検知された場合に、前記下り無線部は、全てのアンテナを介した全てのキャリアの下り信号の送信を停止するように構成されており、前記上り通信処理部は、全てのアンテナ及び全てのキャリアの組み合わせに対応する上りIQデータの値を全て「0」として前記無線装置制御装置に送信するように構成されていることを特徴とする無線基地局。 - 物理回線を介して接続されている無線装置と無線装置制御装置とを具備する無線基地局であって、
前記無線装置は、
各アンテナを介して受信した各キャリアの上り信号に対して復調処理を施すことによって取得した上りIQデータを、各アンテナ及び各キャリアの組み合わせに対応する上りIQデータとして、前記物理回線を介して前記無線装置制御装置に送信するように構成されている上り通信処理部と、
前記物理回線を介して前記無線装置制御装置から受信した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータに対して変調処理を施すことによって、各キャリアの下り信号を取得するように構成されている下り通信処理部と、
取得した前記各キャリアの下り信号を、各アンテナを介して送信するように構成されている下り無線部とを具備し、
前記無線装置制御装置は、
前記物理回線を介して前記無線装置から受信した前記上りIQデータから、上りユーザデータを取得するように構成されている上り通信処理部と、
下りユーザデータから取得した前記下りIQデータを、前記物理回線を介して前記無線装置に送信するように構成されている下り通信処理部とを具備し、
前記無線装置において、特定アンテナ及び特定キャリアの組み合わせに対応する上りIQデータに対応する前記上り通信処理部又は特定アンテナ及び特定キャリアの組み合わせに対応する下りIQデータに対応する前記下り通信処理部における障害の発生が検知された場合に、前記下り無線部は、該特定アンテナを介した該特定キャリアの下り信号の送信を停止するように構成されており、前記上り通信処理部は、該特定アンテナ及び該特定キャリアの組み合わせに対応する上りIQデータの値を全て「0」として前記無線装置制御装置に送信するように構成されていることを特徴とする無線基地局。 - 物理回線を介して無線装置に接続されており、無線基地局を構成する無線装置制御装置であって、
前記物理回線を介して前記無線装置から受信した各アンテナ及び各キャリアの組み合わせに対応する上りIQデータから、上りユーザデータを取得するように構成されている上り通信処理部と、
下りユーザデータから取得した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータを、前記物理回線を介して前記無線装置に送信するように構成されている下り通信処理部とを具備し、
前記無線装置制御装置において、前記物理回線における上り通信障害の発生が検知された場合に、前記下り通信処理部は、全てのアンテナ及び全てのキャリアの組み合わせに対応する下りIQデータの値を全て「0」として前記無線装置に送信するように構成されており、
前記無線装置は、値が全て「0」である前記下りIQデータを受信した場合に、全てのアンテナを介した全てのキャリアの下り信号の送信を停止するように構成されていることを特徴とする無線装置制御装置。 - 物理回線を介して無線装置に接続されており、無線基地局を構成する無線装置制御装置であって、
前記物理回線を介して前記無線装置から受信した各アンテナ及び各キャリアの組み合わせに対応する上りIQデータから、上りユーザデータを取得するように構成されている上り通信処理部と、
下りユーザデータから取得した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータを、前記物理回線を介して前記無線装置に送信するように構成されている下り通信処理部とを具備し、
前記無線装置制御装置において、特定アンテナ及び特定キャリアの組み合わせに対応する上りIQデータに対応する前記上り通信処理部又は特定アンテナ及び特定キャリアの組み合わせに対応する下りIQデータに対応する前記下り通信処理部における障害の発生が検出された場合に、前記下り通信処理部は、該特定アンテナ及び該特定キャリアの組み合わせに対応する下りIQデータの値を全て「0」として前記無線装置に送信するように構成されており、
前記無線装置は、値が全て「0」である前記下りIQデータを受信した場合に、該特定アンテナを介した該特定キャリアの下り信号の送信を停止するように構成されていることを特徴とする無線装置制御装置。 - 物理回線を介して無線装置制御装置に接続されており、無線基地局を構成する無線装置であって、
各アンテナを介して各キャリアの上り信号を受信するように構成されている上り無線部と、
受信した前記上り信号に対して復調処理を施すことによって取得した上りIQデータを、各アンテナ及び各キャリアの組み合わせに対応する上りIQデータとして、前記物理回線を介して前記無線装置制御装置に送信するように構成されている上り通信処理部と、
前記物理回線を介して前記無線装置制御装置から受信した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータに対して変調処理を施すことによって取得した各キャリアの下り信号を、各アンテナを介して送信するように構成されている下り無線部とを具備し、
前記無線装置において、前記物理回線における下り通信障害の発生が検知された場合、前記上り無線部における障害の発生が検知された場合、或いは、前記下り無線部における障害の発生が検知された場合に、前記下り無線部は、全てのアンテナを介した全てのキャリアの下り信号の送信を停止するように構成されており、前記上り通信処理部は、全てのアンテナ及び全てのキャリアの組み合わせに対応する上りIQデータの値を全て「0」として前記無線装置制御装置に送信するように構成されていることを特徴とする無線装置。 - 物理回線を介して無線装置制御装置に接続されており、無線基地局を構成する無線装置であって、
各アンテナを介して受信した各キャリアの上り信号に対して復調処理を施すことによって取得した上りIQデータを、各アンテナ及び各キャリアの組み合わせに対応する上りIQデータとして、前記物理回線を介して前記無線装置制御装置に送信するように構成されている上り通信処理部と、
前記物理回線を介して前記無線装置制御装置から受信した各アンテナ及び各キャリアの組み合わせに対応する下りIQデータに対して変調処理を施すことによって、各キャリアの下り信号を取得するように構成されている下り通信処理部と、
取得した前記各キャリアの下り信号を、各アンテナを介して送信するように構成されている下り無線部とを具備し、
前記無線装置において、特定アンテナ及び特定キャリアの組み合わせに対応する上りIQデータに対応する前記上り通信処理部或いは特定アンテナ及び特定キャリアの組み合わせに対応する下りIQデータに対応する前記下り通信処理部における障害の発生が検知された場合に、前記下り無線部は、該特定アンテナを介した該特定キャリアの下り信号の送信を停止するように構成されており、前記上り通信処理部は、該特定アンテナ及び該特定キャリアの組み合わせに対応する上りIQデータの値を全て「0」として前記無線装置制御装置に送信するように構成されていることを特徴とする無線装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080005050.9A CN102293030B (zh) | 2009-01-20 | 2010-01-20 | 无线基站、无线装置控制装置以及无线装置 |
JP2010547495A JP5113915B2 (ja) | 2009-01-20 | 2010-01-20 | 無線基地局、無線装置制御装置及び無線装置 |
EP10733483.1A EP2391158A4 (en) | 2009-01-20 | 2010-01-20 | WIRELESS BASE STATION, CONTROL DEVICE FOR WIRELESS DEVICES AND WIRELESS DEVICE |
US13/145,409 US8514702B2 (en) | 2009-01-20 | 2010-01-20 | Radio base station, radio equipment control and radio equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-010269 | 2009-01-20 | ||
JP2009010269 | 2009-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010084876A1 true WO2010084876A1 (ja) | 2010-07-29 |
Family
ID=42355928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/050616 WO2010084876A1 (ja) | 2009-01-20 | 2010-01-20 | 無線基地局、無線装置制御装置及び無線装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8514702B2 (ja) |
EP (1) | EP2391158A4 (ja) |
JP (1) | JP5113915B2 (ja) |
CN (1) | CN102293030B (ja) |
WO (1) | WO2010084876A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012156669A (ja) * | 2011-01-25 | 2012-08-16 | Nippon Telegraph & Telephone West Corp | 無線基地局装置および送信信号制御方法 |
KR20170060075A (ko) * | 2014-09-19 | 2017-05-31 | 닛본 덴끼 가부시끼가이샤 | 무선 제어 시스템, 및 무선 링크 에러 감시 방법 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8649388B2 (en) * | 2010-09-02 | 2014-02-11 | Integrated Device Technology, Inc. | Transmission of multiprotocol data in a distributed antenna system |
WO2011144085A2 (zh) * | 2011-05-25 | 2011-11-24 | 华为技术有限公司 | 数据传输方法和基站 |
US9295020B2 (en) * | 2012-03-26 | 2016-03-22 | Harris Corporation | Systems and methods registration and maintenance of wireless clients via a proxy wireless network service |
US9635710B2 (en) * | 2013-03-28 | 2017-04-25 | Nxp Usa, Inc. | Method and apparatus for processing data flows |
US10880945B2 (en) * | 2016-11-09 | 2020-12-29 | Hitachi, Ltd. | System for controlling mobile device, control device, and control method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007533179A (ja) * | 2004-04-09 | 2007-11-15 | ユーティー シ ダ カン トン スン ヨウ シアン ゴン シ | 無線周波数伸張基地局に基づく信号伝送方法およびシステム |
WO2008120297A1 (ja) * | 2007-03-28 | 2008-10-09 | Fujitsu Limited | 無線制御装置と無線装置間のデータ通信方法、無線制御装置、および、無線装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0302596D0 (sv) | 2003-09-30 | 2003-09-30 | Ericsson Telefon Ab L M | Improvments in or relating to base stations |
CA2582065C (en) * | 2004-10-12 | 2014-11-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Interface, apparatus, and method for communication between a radio equipment control node and one or more remote radio equipment nodes |
JP4791320B2 (ja) * | 2006-10-13 | 2011-10-12 | 富士通株式会社 | コモン・パブリック・ラジオ・インタフェース(cpri)のベンダー特有領域を使った回線迂回方式 |
TW200845609A (en) * | 2007-01-09 | 2008-11-16 | Sr Telecom Inc | Redundant wireless base station |
CN101330711A (zh) * | 2007-06-20 | 2008-12-24 | 中兴通讯股份有限公司 | 全球移动通讯系统的基带资源池管理方法及系统 |
-
2010
- 2010-01-20 EP EP10733483.1A patent/EP2391158A4/en not_active Withdrawn
- 2010-01-20 US US13/145,409 patent/US8514702B2/en active Active
- 2010-01-20 CN CN201080005050.9A patent/CN102293030B/zh active Active
- 2010-01-20 WO PCT/JP2010/050616 patent/WO2010084876A1/ja active Application Filing
- 2010-01-20 JP JP2010547495A patent/JP5113915B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007533179A (ja) * | 2004-04-09 | 2007-11-15 | ユーティー シ ダ カン トン スン ヨウ シアン ゴン シ | 無線周波数伸張基地局に基づく信号伝送方法およびシステム |
WO2008120297A1 (ja) * | 2007-03-28 | 2008-10-09 | Fujitsu Limited | 無線制御装置と無線装置間のデータ通信方法、無線制御装置、および、無線装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2391158A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012156669A (ja) * | 2011-01-25 | 2012-08-16 | Nippon Telegraph & Telephone West Corp | 無線基地局装置および送信信号制御方法 |
KR20170060075A (ko) * | 2014-09-19 | 2017-05-31 | 닛본 덴끼 가부시끼가이샤 | 무선 제어 시스템, 및 무선 링크 에러 감시 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20110317550A1 (en) | 2011-12-29 |
US8514702B2 (en) | 2013-08-20 |
JPWO2010084876A1 (ja) | 2012-07-19 |
EP2391158A4 (en) | 2014-12-10 |
JP5113915B2 (ja) | 2013-01-09 |
CN102293030B (zh) | 2014-04-23 |
CN102293030A (zh) | 2011-12-21 |
EP2391158A1 (en) | 2011-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5113915B2 (ja) | 無線基地局、無線装置制御装置及び無線装置 | |
US8554146B2 (en) | Method and apparatus for reducing the guard band between wireless communication systems operating in the same geographical area | |
KR101829517B1 (ko) | 원격으로 재구성가능한 분산 안테나 시스템 및 방법 | |
US7689228B2 (en) | Method and apparatus for providing in-band wireless backhaul | |
JP2019531637A5 (ja) | ||
US7539516B2 (en) | Wireless base station apparatus | |
WO2011077862A1 (ja) | 中継装置、中継システム、中継方法、無線通信システム、プログラム | |
WO2010036276A3 (en) | Opportunistic data forwarding and dynamic reconfiguration in wireless networks | |
JP6645849B2 (ja) | 通信中継装置、通信中継システム、方法及びプログラム | |
JP4768517B2 (ja) | 無線移動通信システムにおける信号処理システム | |
JP5135171B2 (ja) | 無線基地局、無線装置及び無線装置制御装置 | |
US9887714B2 (en) | Remote radio head and associated method | |
EP3997797A1 (en) | Uplink controlled resource allocation for distributed antenna systems and c-ran systems | |
JP2014520492A (ja) | 多入力多出力信号伝送方法及び多入力多出力信号伝送装置 | |
EP1966918A2 (en) | Novel distributed base station architecture | |
JP2010258596A (ja) | 無線通信装置、無線中継装置及び無線通信システム | |
WO2012079293A1 (zh) | 通信信号传输方法、装置及系统 | |
US20220224400A1 (en) | Repeater system for use with 5g new radio base station | |
JP2009010543A (ja) | ベースバンド処理装置およびそれを使用した無線システム | |
KR20100067922A (ko) | 무선 통신 장치를 위한 신호 증폭 장치 및 방법 | |
JP2018011137A (ja) | 通信中継装置、通信中継システム、方法及びプログラム | |
JP2010177910A (ja) | 無線通信システム、無線基地局、無線移動局、および無線通信システムにおけるループバック試験方法 | |
WO2004002045A1 (ja) | 無線基地局装置 | |
JP2020503770A (ja) | 分岐タワーマウントアンプおよびアンテナ給電システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080005050.9 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10733483 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010547495 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010733483 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13145409 Country of ref document: US |