WO2022049713A1 - 基地局、無線通信システム、無線通信方法、及び無線通信プログラム - Google Patents
基地局、無線通信システム、無線通信方法、及び無線通信プログラム Download PDFInfo
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- WO2022049713A1 WO2022049713A1 PCT/JP2020/033494 JP2020033494W WO2022049713A1 WO 2022049713 A1 WO2022049713 A1 WO 2022049713A1 JP 2020033494 W JP2020033494 W JP 2020033494W WO 2022049713 A1 WO2022049713 A1 WO 2022049713A1
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- 230000006854 communication Effects 0.000 title claims abstract description 97
- 238000004891 communication Methods 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims description 57
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000006870 function Effects 0.000 description 15
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
Definitions
- the present invention relates to a base station, a wireless communication system, a wireless communication method, and a wireless communication program.
- a subscriber wireless communication system for example, a plurality of subscriber stations accommodating a plurality of voice lines (terminals) and a base station connected to a network perform wireless communication (wireless connection) to occur at the same time. It realizes voice communication for multiple calls.
- Non-Patent Document 1 shows an outline of a wireless interface protocol architecture.
- Non-Patent Document 2 discloses a method for specifying and evaluating quality parameters that a service provider should consider.
- a technique for changing the modulation order such as QPSK (Quadrature Phase Shift Keying), 16QAM (Quadrature Amplitude Modulation), 64QAM, etc. is known according to SNR (signal to noise ratio).
- fairness and required bandwidth are estimated and bandwidth is allocated to each terminal.
- the call quality is stabilized by lowering the modulation order while ensuring the required communication capacity (or bit rate) in the connection line with each terminal. ..
- the signal strength in the wireless section affects the communication quality.
- the need for communication capacity is generally different for each voice line (terminal). Therefore, in the past, the communication environment was maintained even for terminals that did not communicate, and terminals that frequently communicated communicated in an environment of low communication quality.
- the present invention provides a base station, a wireless communication system, a wireless communication method, and a wireless communication program that can efficiently improve the communication quality of all terminals even through a plurality of subscriber stations. With the goal.
- the base station is a base station wirelessly connected to each of a plurality of subscriber stations accommodating one or more terminals, and changes in the number of terminals accommodated by each of the subscriber stations during communication and the above-mentioned.
- the total amount of communication between the detector that detects at least one of the changes in the radio wave environment between each subscriber station and all the terminals that communicate with each subscriber station based on the changes detected by the detector.
- the modulation method of the minimum modulation order that can accommodate the above is set for each of the subscriber stations, and the radio wave intensity is weighted for each of the subscriber stations so as to maximize the communication quality in the modulation method of the minimum modulation order. It is characterized by having a setting unit for setting.
- the wireless communication system is a wireless communication system including a plurality of subscriber stations each accommodating one or more terminals and a base station wirelessly connected to each of the subscriber stations. Based on the detection unit that detects at least one of the change in the number of terminals during communication accommodated by each subscriber station and the change in the radio wave environment between the subscriber stations and the change detected by the detection unit. , A modulation method of the minimum modulation order capable of accommodating the total communication amount of all terminals communicating with each subscriber station is set for each of the subscriber stations, and the communication quality in the modulation method of the minimum modulation order is set. It is characterized by having a setting unit for setting a weighting of radio wave strength for each of the subscriber stations so as to be the most enhanced.
- the wireless communication method is a wireless communication method performed by a plurality of subscriber stations each accommodating one or more terminals, and each of the subscriber stations and the base station, wherein each of the subscriber stations is used. Communication for each subscriber station based on the detection step of detecting at least one of the change in the number of terminals during communication and the change in the radio wave environment between the subscriber stations and the detected change.
- a modulation method having a minimum modulation order capable of accommodating the total communication volume of all the terminals is set for each of the subscriber stations, and the subscriber is set so as to maximize the communication quality in the modulation method having the minimum modulation order. It is characterized by including a setting step of setting a weighting of radio wave strength for each station.
- the communication quality of all terminals can be efficiently improved even through a plurality of subscriber stations.
- FIG. 1 is a diagram showing a configuration example of a wireless communication system 1 according to an embodiment.
- the wireless communication system 1 includes a plurality of subscriber stations 4-1 and 4-that perform wireless communication using MIMO between a base station 3 connected to the network 2 and the base station 3. It is a digital subscriber wireless system having 2.
- the wireless communication system 1 accommodates a plurality of terminals (51, 52) by, for example, a voice line, but is not limited to this, and may accommodate a data communication line.
- the base station 3 is a wireless communication device in which the interface unit 30 provided inside is connected to the network 2, and has the functions of a transmitter and a receiver.
- the interface unit 30 controls to take an interface between the signal inside the base station 3 and the signal outside the base station 3. Further, the base station 3 performs wireless communication using MIMO with the subscriber stations 4-1 and 4-2.
- the subscriber station 4-1 is a wireless communication device in which the interface unit 40 provided inside is connected to, for example, a plurality of terminals (telephone terminals) 51, and has the functions of a transmitter and a receiver.
- the interface unit 40 controls to take an interface between the signal inside the subscriber station 4-1 and the signal outside the subscriber station 4-1. Then, the subscriber station 4-1 mediates bidirectional communication between the base station 3 and the plurality of terminals 51.
- the subscriber station 4-2 is a wireless communication device in which the interface unit 40 provided inside is connected to, for example, a plurality of terminals (telephone terminals) 52, and has the functions of a transmitter and a receiver.
- the interface unit 40 controls to take an interface between the signal inside the subscriber station 4-2 and the signal outside the subscriber station 4-2. Then, the subscriber station 4-2 mediates the communication between the base station 3 and the plurality of terminals 52.
- a part of the plurality of terminals 51 accommodated by the subscriber station 4-1 is in a call at the same time, one terminal 51 ends the call, and the other terminals 51 are non-calls. It shows the state. Further, it shows a state in which a part of the plurality of terminals 52 accommodated by the subscriber station 4-2 is in a call at the same time, and the other terminals 52 are not in a call.
- FIG. 2 is a functional block diagram illustrating the functions of the base station 3 according to the embodiment.
- the base station 3 has a detection unit 31, a setting unit 32, a calculation unit 33, a determination unit 34, a setting storage unit 35, and a processing unit 36.
- the processing unit 36 has an audio compression unit 360, a modulation unit 361, and a radio wave intensity adjusting unit 362, and performs processing by switching a plurality of types of functions shown in FIG.
- the modulation unit 361 performs a process of modulating (adaptive modulation) the transmission signal using, for example, 64QAM of 64 values, 16QAM of 16 values, or QPSK of 4 values. That is, the modulation unit 361 modulates the transmission signal by using one of a plurality of modulation methods having different resistance to noise and waveform distortion in the amount of information per symbol.
- the modulation method in which the modulation unit 361 modulates is defined, for example, the wireless throughput shown in FIG. 4 and the number of voice lines that can be accommodated.
- the wireless throughput is 100 kbps, and the number of voice lines that can be accommodated while satisfying the required quality is one.
- the wireless throughput is 200 kbps, and the number of voice lines that can be accommodated while satisfying the required quality is two.
- the wireless throughput is 300 kbps, and the number of voice lines that can be accommodated while satisfying the required quality is three.
- modulation methods have the characteristic that if the order of the modulation method is lowered, the number of lines that can be accommodated while satisfying the required quality decreases, but the communication quality improves.
- modulation order is lowered to low-order modulation (QPSK, etc.) to improve and stabilize the communication quality. It is desirable to let it.
- Modulation schemes are distinguished, for example, by modulation index.
- the radio field strength adjusting unit 362 (FIG. 2) transmits to each of the subscriber stations 4-1 and 4-2 according to the weighting of the radio wave strength divided into, for example, three stages (large, medium, and small). Adjust the signal strength of the signal.
- the transmitted radio wave processed by the processing unit 36 is classified into three categories, excellent, good, and acceptable, according to the size of the PER (packet error rate) margin, as shown in FIG.
- the PER margin is determined by detecting, for example, SNR / PER fluctuation for a certain period of time, and is assumed to be a margin for a required quality such as an R value (comprehensive call quality index: Rating Factor).
- the detection unit 31 shown in FIG. 2 has a change in the number of terminals during communication accommodated by each of the subscriber stations 4-1 and 4-2, and the subscriber station 4-. At least one of the changes in the radio wave environment between 1 and 4-2 is detected, and the detection result is output to the setting unit 32.
- the detection unit 31 may start or end a call when at least one of the terminals 51 and 52 accommodated by the subscriber stations 4-1 and 4-2 starts or ends the call, and the base station 3 and the subscriber station 4-1. , 4-2
- the setting unit 32 detects a change that makes it necessary to change the setting described later.
- the setting unit 32 sets a modulation method having a minimum modulation order capable of accommodating the total communication amount of all terminals communicating with each subscriber station based on the change detected by the detection unit 31. -2 Set for each. Then, the setting unit 32 sets the weighting of the radio wave intensity for each of the subscriber stations 4-1 and 4-2 so as to maximize the communication quality in the modulation method of the minimum modulation order.
- the setting unit 32 first temporarily sets the codec having the lowest compression rate (bit rate) for all terminals, and then sets the subscriber stations 4-1 and 4-2.
- the modulation method and the radio wave strength are temporarily set, and the setting information is output to the calculation unit 33.
- the calculation unit 33 calculates the codec for each terminal, the number of accommodated lines when the modulation method and radio wave strength for the subscriber stations 4-1 and 4-2 are temporarily set, the PER margin, and the like, and determines the calculation result. Output to 34.
- the determination unit 34 determines whether or not the number of accommodated lines and the PER margin are necessary and sufficient, and outputs the determination result to the setting unit 32.
- the setting unit 32 stores the setting information indicating the codec, the modulation method, and the radio wave strength in the setting storage unit 35 according to the determination result of the determination unit 34. Further, for example, when the PER margin is sufficient, the setting unit 32 sets to increase the compression rate (bit rate) of the codec for all or part of the terminal, and outputs the setting information to the calculation unit 33 again. do. Further, for example, when the PER margin is not sufficient, the setting unit 32 has the highest quality (satisfying the required condition) with a sufficient PER margin from the setting information stored in the setting storage unit 35. Read the setting information and make settings for the processing unit 36.
- the setting unit 32 has a function of setting the bit rates of communication performed by all terminals to each subscriber station so as to be evenly close to each other. Further, the setting unit 32 has a function of setting the weighting of the radio field strength for each of the subscriber stations 4-1 and 4-2 so that the margin for the required communication quality is evenly approached among the subscriber stations. do.
- the setting unit 32 realizes the setting for each of the subscriber stations 4-1 and 4-2 and the terminals 51 and 52 by making settings for the processing unit 36.
- FIG. 5 is a flowchart showing an operation example when the base station 3 sets each of the terminals 51 and 52 via the subscriber stations 4-1 and 4-2.
- the flowchart shown in FIG. 5 shows, for example, when the number of lines during communication (the number of terminals during a call) accommodated by any of the subscriber stations 4-1 and 4-2 changes, or the base station 3 and the subscriber. This is an operation executed by the base station 3 when the radio wave environment between the stations 4-1 and 4-2 changes significantly.
- the base station 3 sets, for example, the codecs of all terminals to the lowest bit rate (S100).
- the base station 3 determines whether or not the PER margin of each of the subscriber stations 4-1 and 4-2 (each subscriber station) is good (S102).
- good PER margin is a modulation method that can accommodate the required number of lines for each of the subscriber stations 4-1 and 4-2, and the PER margin is even among the subscriber stations at the set radio field strength. It is assumed that it is sufficient to be close to.
- the base station 3 proceeds to the process of S104 when the PER margins of the subscriber stations 4-1 and 4-2 are good (S102: Yes), and S200 when the PER margins are not good (S102: No). Proceed to the processing of.
- the base station 3 determines whether or not the bit rate of each terminal is the maximum (S104), and if it is the maximum (S104: Yes), proceeds to the process of S300, and if it is not the maximum (S104: Yes). In No), the process proceeds to S106.
- the base station 3 performs a process of increasing the bit rate of all terminals by one step, and returns to the process of S102.
- the codecs of all terminals are G.I. If it is 729, the codec is changed to G.I. Perform the process of changing to 726.
- the base station 3 raises the bit rate by one step for one terminal whose bit rate has not been changed among all the terminals.
- the base station 3 determines whether or not the PER margins of the subscriber stations 4-1 and 4-2 are good (S202). Then, the base station 3 returns to the processing of S202 when the PER margins of the subscriber stations 4-1 and 4-2 are good (S202: Yes), and S204 when the PER margins are not good (S202: No). Proceed to the process of.
- the base station 3 returns the bit rate of only one terminal and proceeds to the processing of S300.
- the codec of the terminal whose bit rate has been increased in the processing of S200 is G.I. If it is 726, the codec only for the terminal is changed to G. The process of returning to 729 is performed.
- the base station 3 sets the bit rate for all terminals. That is, the base station 3 collectively changes the bit rates of all terminals in the processes of S100 to S106, changes the bit rates of each terminal in the processes of S200 to S204, and finally processes S300. In, the bit rate is set for all terminals (all terminals 51 and 52).
- each line has the same importance.
- the base station 3 arbitrarily adjusts the weighting of the radio field strength, the modulation method, and the codec according to the importance. The communication quality of all terminals may be efficiently improved.
- FIG. 6 is a diagram showing a state in which the wireless communication system 1 is communicating.
- FIG. 7 is a diagram showing a state of the wireless communication system 1 when the line state changes from the state shown in FIG.
- the codecs of the terminals are assumed to be the same.
- the wireless communication system 1 shows that the subscriber station 4-1 accommodates, for example, two terminals 51 during a call, and one of the terminals 51 later ends the call. Further, the subscriber station 4-2 accommodates, for example, three terminals 52 during a call.
- the base station 3 is performing wireless communication with the subscriber station 4-1 by the modulation method of 16QAM with the weighting of the radio field strength set to "medium".
- 16QAM can accommodate two voice lines. Further, it is assumed that the PER margin in this case is in a state of being classified as “good”.
- the base station 3 is performing wireless communication with the subscriber station 4-2 by the modulation method of 64QAM with the weighting of the radio field strength set to "medium”. As shown in FIG. 4, if it is 64QAM, it is possible to accommodate three voice lines. Further, it is assumed that the PER margin in this case is in a state of being classified as “possible”.
- the number of terminals 51 during the call accommodated by the subscriber station 4-1 becomes one.
- FIG. 7 is a diagram showing the state of the wireless communication system 1 after one of the terminals 51 accommodated by the subscriber station 4-1 ends the call.
- the wireless communication system 1 accommodates only one terminal 51 in which the subscriber station 4-1 is in a call, and it is not necessary to allocate communication capacity to the terminal 51 in which the call is terminated.
- the subscriber station 4-2 still accommodates the three terminals 52 during a call.
- the base station 3 executes processing with the subscriber station 4-1 so as to perform wireless communication by the QPSK modulation method with the weighting of the radio field strength set to "small".
- QPSK can accommodate one voice line.
- the PER margin in this case is in a state of being classified as "good”, and the communication quality is not deteriorated even if the radio wave strength is weakened.
- the base station 3 executes processing so as to perform wireless communication with the subscriber station 4-2 by the modulation method of 64QAM with the weighting of the radio field strength set to "large". As shown in FIG. 4, if it is 64QAM, it is possible to accommodate three voice lines, but the base station 3 makes the PER margin "good” by increasing the weighting of the radio field strength. Improve to be classified.
- the base station 3 since the base station 3 sets the weighting of the radio field strength for each of the subscriber stations 4-1 and 4-2, all of them are transmitted through a plurality of subscriber stations.
- the communication quality of the terminal can be efficiently improved.
- the wireless communication system 1 can be set and accommodated in a codec having a bit rate in which all terminals are evenly approached for each subscriber station, so that the PER margin is about the same among the subscriber stations.
- the weighting of the radio field strength between the base station 3 and the subscriber stations 4-1 and 4-2 can be changed.
- Each function of the base station 3 may be partially or wholly configured by hardware such as PLD (Programmable Logic Device) or FPGA (Field Programmable Gate Array), or may be executed by a processor such as a CPU. It may be configured as a program. Further, each function of the base station 3 may be provided by other devices such as the subscriber stations 4-1 and 4-2.
- hardware such as PLD (Programmable Logic Device) or FPGA (Field Programmable Gate Array)
- a processor such as a CPU. It may be configured as a program.
- each function of the base station 3 may be provided by other devices such as the subscriber stations 4-1 and 4-2.
- the base station 3 according to the present invention can be realized by using a computer and a program, and the program can be recorded on a storage medium or provided through a network.
- FIG. 8 is a diagram showing a hardware configuration example of the base station 3 according to the embodiment.
- the base station 3 has an input unit 600, an output unit 610, a communication unit 620, a CPU 630, a memory 640, and an HDD 650 connected via a bus 660, and has a function as a computer. Further, the base station 3 is configured to be able to input / output data to / from a computer-readable storage medium 670.
- the input unit 600 is, for example, a keyboard, a mouse, or the like.
- the output unit 610 is a display device such as a display.
- the communication unit 620 is, for example, a wireless network interface.
- the CPU 630 controls each part constituting the base station 3 and performs predetermined processing and the like.
- the memory 640 and the HDD 650 are storage units for storing data and the like.
- the storage medium 670 is capable of storing a program or the like for executing the function of the base station 3.
- the architecture constituting the base station 3 is not limited to the example shown in FIG.
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Abstract
Description
Claims (8)
- 1以上の端末を収容する複数の加入者局それぞれと無線接続する基地局において、
前記加入者局それぞれが収容する通信中の端末数の変化、及び前記加入者局それぞれとの間の電波環境の変化の少なくともいずれかを検出する検出部と、
前記検出部が検出した変化に基づいて、前記加入者局ごとに通信を行う全ての端末の総通信量を収容可能な最小変調次数の変調方式を前記加入者局それぞれに対して設定し、当該最小変調次数の変調方式における通信品質を最も高めるように、前記加入者局それぞれに対する電波強度の重みづけを設定する設定部と
を有することを特徴とする基地局。 - 前記設定部は、
前記加入者局ごとに全ての端末が行う通信のビットレートを均等に近づけるように設定すること
を特徴とする請求項1に記載の基地局。 - 前記設定部は、
所要通信品質に対するマージンを前記加入者局間で均等に近づけるように、前記加入者局それぞれに対する電波強度の重みづけを設定すること
を特徴とする請求項1又は2に記載の基地局。 - それぞれ1以上の端末を収容する複数の加入者局と、前記加入者局それぞれと無線接続する基地局とを備えた無線通信システムにおいて、
前記加入者局それぞれが収容する通信中の端末数の変化、及び前記加入者局それぞれとの間の電波環境の変化の少なくともいずれかを検出する検出部と、
前記検出部が検出した変化に基づいて、前記加入者局ごとに通信を行う全ての端末の総通信量を収容可能な最小変調次数の変調方式を前記加入者局それぞれに対して設定し、当該最小変調次数の変調方式における通信品質を最も高めるように、前記加入者局それぞれに対する電波強度の重みづけを設定する設定部と
を有することを特徴とする無線通信システム。 - それぞれ1以上の端末を収容する複数の加入者局と、前記加入者局それぞれと基地局とが行う無線通信方法において、
前記加入者局それぞれが収容する通信中の端末数の変化、及び前記加入者局それぞれとの間の電波環境の変化の少なくともいずれかを検出する検出工程と、
検出した変化に基づいて、前記加入者局ごとに通信を行う全ての端末の総通信量を収容可能な最小変調次数の変調方式を前記加入者局それぞれに対して設定し、当該最小変調次数の変調方式における通信品質を最も高めるように、前記加入者局それぞれに対する電波強度の重みづけを設定する設定工程と
を含むことを特徴とする無線通信方法。 - 前記設定工程では、
前記加入者局ごとに全ての端末が行う通信のビットレートを均等に近づけるように設定すること
を特徴とする請求項5に記載の無線通信方法。 - 前記設定工程では、
所要通信品質に対するマージンを前記加入者局間で均等に近づけるように、前記加入者局それぞれに対する電波強度の重みづけを設定すること
を特徴とする請求項5又は6に記載の無線通信方法。 - 請求項1~3のいずれか1項に記載の基地局の各部としてコンピュータを機能させるための無線通信プログラム。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005244821A (ja) * | 2004-02-27 | 2005-09-08 | Nippon Telegr & Teleph Corp <Ntt> | 無線アクセスシステム |
JP2010177753A (ja) * | 2009-01-27 | 2010-08-12 | Kyocera Corp | 無線通信装置及び無線通信方法 |
JP2011176693A (ja) * | 2010-02-25 | 2011-09-08 | Mitsubishi Electric Corp | 移動体無線通信装置、tcpフロー制御装置及びその方法 |
JP2011259461A (ja) * | 2005-03-08 | 2011-12-22 | Qualcomm Incorporated | データレート適応方法及び装置 |
-
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005244821A (ja) * | 2004-02-27 | 2005-09-08 | Nippon Telegr & Teleph Corp <Ntt> | 無線アクセスシステム |
JP2011259461A (ja) * | 2005-03-08 | 2011-12-22 | Qualcomm Incorporated | データレート適応方法及び装置 |
JP2010177753A (ja) * | 2009-01-27 | 2010-08-12 | Kyocera Corp | 無線通信装置及び無線通信方法 |
JP2011176693A (ja) * | 2010-02-25 | 2011-09-08 | Mitsubishi Electric Corp | 移動体無線通信装置、tcpフロー制御装置及びその方法 |
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