WO2015037225A1 - 無線通信装置および無線通信装置の制御方法 - Google Patents
無線通信装置および無線通信装置の制御方法 Download PDFInfo
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- WO2015037225A1 WO2015037225A1 PCT/JP2014/004633 JP2014004633W WO2015037225A1 WO 2015037225 A1 WO2015037225 A1 WO 2015037225A1 JP 2014004633 W JP2014004633 W JP 2014004633W WO 2015037225 A1 WO2015037225 A1 WO 2015037225A1
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- wireless communication
- communication device
- power consumption
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- setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
Definitions
- the present invention relates to a wireless communication device and a method for controlling the wireless communication device.
- PoE Power Over Ethernet (registered trademark)
- the PoE power supply system is a system that supplies power from a power supply device (PSE: POWER Source Equipment) to a power receiving device (PD: Powerd Device) using a communication cable.
- PSE Power Supply Device
- PD Powerd Device
- the PoE power supply system is defined by standards such as IEEE (Institute of Electrical and Electronic Engineers) 802.3af and IEEE 802.3at.
- Patent Documents 1 to 3 disclose techniques related to a power receiving device using a PoE power feeding system.
- Patent Document 1 discloses a technique related to a power receiving device that can operate even when the power consumption of the load of the device exceeds a specified value.
- Patent Document 2 discloses a technology related to a power transmission system that can effectively use limited power.
- Patent Document 3 discloses a technique related to a power receiving device capable of performing a stable operation.
- a power feeding system for example, PoE power feeding system
- PSE power feeding device
- PD power receiving device
- an object of the present invention is to provide a wireless communication apparatus and a wireless communication apparatus control method capable of realizing stable operation even when a power supply system that supplies power via a communication cable is used. That is.
- the wireless communication device is a wireless communication device to which power is supplied via a communication cable, and associates the setting content of the wireless communication device with the power consumption when operating with the setting content. And a control unit that determines the setting contents of the wireless communication device so that the power consumption calculated using the power consumption information does not exceed the power supply amount.
- a method for controlling a wireless communication device is a method for controlling a wireless communication device to which power is supplied via a communication cable, and acquires information related to the amount of power supplied to the wireless communication device, The power consumption of the wireless communication device when the wireless communication device is set using the setting content of the wireless communication device, and the consumption when the wireless communication device is set using the setting content of the wireless communication device. If the calculated power consumption does not exceed the supplied power supply amount, the wireless communication device is set using the predetermined setting content. Do.
- the present invention it is possible to provide a wireless communication device and a wireless communication device control method capable of realizing stable operation even when a power supply system that supplies power via a communication cable is used.
- FIG. 1 is a block diagram showing a wireless communication apparatus according to a first exemplary embodiment.
- 1 is a block diagram illustrating an example of a wireless communication apparatus according to a first embodiment
- FIG. 3 is a block diagram illustrating an example of a control unit included in the wireless communication apparatus according to the first embodiment. It is a table
- 3 is a flowchart for explaining an operation of the wireless communication apparatus according to the first exemplary embodiment;
- FIG. 3 is a block diagram showing a wireless communication apparatus according to a second exemplary embodiment.
- 6 is a block diagram illustrating a state in which wireless communication devices according to a second embodiment are communicating with each other. 6 is a flowchart for explaining an operation of the wireless communication apparatus according to the second exemplary embodiment; 6 is a flowchart for explaining an operation of the wireless communication apparatus according to the second exemplary embodiment;
- FIG. 1 is a block diagram of the wireless communication apparatus according to the first embodiment.
- the wireless communication device 1 according to the present embodiment includes a control unit 16. Electric power is supplied to the wireless communication device 1 via the communication cable 21.
- the control unit 16 supplies the wireless communication device 1 with the power consumption calculated using the power consumption information in which the setting content of the wireless communication device 1 is associated with the power consumption when operating with the setting content.
- the setting content of the wireless communication device 1 is determined so as not to exceed the amount of power supplied.
- the wireless communication apparatus 1 according to the present embodiment will be described in detail.
- FIG. 2 is a block diagram of an example of the wireless communication apparatus according to the first embodiment.
- the wireless communication device 1 includes a separation unit 11, a power supply unit 12, a communication unit 14, a setting unit 15, a control unit 16, a power consumption information storage unit 17, and an antenna 18.
- the communication unit 14, the setting unit 15, the control unit 16, and the power consumption information storage unit 17 constitute an internal circuit 13 (that is, a main circuit) of the wireless communication device 1.
- the wireless communication device 1 is connected to another electronic device 5 via a communication cable 21.
- the electronic device 5 supplies power to the wireless communication device 1 via the communication cable 21.
- the wireless communication device 1 wirelessly transmits communication data supplied from the electronic device 5 via the communication cable 21.
- the wireless communication device 1 is a transmission / reception device
- the wireless communication device 1 wirelessly transmits the communication data supplied from the electronic device 5 via the communication cable 21 and the communication data received by the wireless communication device 1 is a communication cable.
- the electronic device 5 is supplied via 21.
- the wireless communication device 1 may be a transmission device.
- the separation unit 11 separates the power supplied via the communication cable 21 from the communication data, and outputs the separated power 22 to the power supply unit 12. Further, the separation unit 11 outputs communication data (transmission data) 23 supplied via the communication cable 21 to the communication unit 14. Further, the separation unit 11 outputs the communication data (reception data) 23 output from the communication unit 14 to the communication cable 21.
- the separation unit 11 connects a wiring through which communication data is transmitted among wirings included in the communication cable 21 and a wiring connected to the communication unit 14 (wiring through which the communication data 23 is transmitted). In addition, the separation unit 11 connects a wiring through which power is transmitted among wirings included in the communication cable 21 and a wiring (wiring through which power 22 is transmitted) connected to the power supply unit 12.
- the power supply unit 12 supplies the power 22 separated by the separation unit 11 to the wireless communication device 1 (that is, the internal circuit 13 of the wireless communication device 1) as a power supply 24. Further, the power supply unit 12 supplies the control unit 16 with information 25 (hereinafter sometimes simply referred to as the power supply amount 25) related to the power supply amount of the power supply 24 supplied to the internal circuit 13.
- the information 25 regarding the power supply amount can be acquired by measuring the power 22 in the power supply unit 12, for example.
- the power supply amount is defined by standards such as IEEE802.3af and IEEE802.3at.
- IEEE 802.3af the maximum power consumption (maximum power supply amount) of a power receiving device in class 0 is 13.0 W
- the maximum power consumption of a power receiving device in class 1 is 3.84 W
- the maximum power receiving device in class 2 The power consumption is 6.49 W
- the maximum power consumption of the power receiving device in class 3 is 12.95 W.
- IEEE802.3at the maximum power consumption of the power receiving device in class 4 is 25.5W.
- the information on the classes 0 to 4 may be the information 25 on the power supply amount.
- the communication unit 14 performs wireless communication with other wireless communication devices. That is, the communication unit 14 wirelessly transmits the communication data (transmission data) separated by the separation unit 11 from the antenna 18. Further, the communication unit 14 supplies communication data (reception data) received by the antenna 18 to the communication cable 21 via the separation unit 11.
- the setting unit 15 performs various settings of the wireless communication device 1.
- the setting unit 15 sets the transmission capacity, modulation scheme, transmission power, and the like of the wireless communication device.
- the transmission capacity is a capacity when the wireless communication apparatus 1 transmits and receives data simultaneously.
- the larger the transmission capacity the more the power consumption in the wireless communication apparatus 1 increases.
- the transmission capacity corresponds to the number of ports used at the same time, and the smaller the number of ports used, the smaller the transmission capacity and the lower the power consumption.
- the greater the number of ports used the greater the transmission capacity and the greater the power consumption.
- the modulation method is a modulation method such as QPSK (Quadrature Shift Keying), 16QAM (Quadrature amplitude modulation), 64QAM, or the like.
- the setting unit 15 may include an AMR (Adaptive Modulation Radio) function that automatically changes a modulation scheme and transmission capacity according to a radio environment such as the quality of a radio channel.
- AMR Adaptive Modulation Radio
- the setting unit 15 sets XPIC (cross polarization polarization interference) canceller (on / off setting), redundant configuration setting (hot standby, cold standby setting), and cools the internal circuit of the wireless communication device 1. Therefore, it is possible to set the number of rotations of the fan mounted for this purpose, to set the brightness of the display unit included in the wireless communication device 1 and the like.
- XPIC cross-polarization interference compensator
- Hot standby is a configuration in which a standby system is always operated in the same manner as the active system in a redundant configuration including an active system and a standby system.
- Cold standby is a configuration in which, in a redundant configuration including an active system and a standby system, the standby system is operated when a failure occurs in the active system, instead of always operating the standby system. Therefore, the power consumption of the cold standby is smaller than that of the hot standby.
- the power consumption information storage unit 17 stores power consumption information in which the setting content of the wireless communication device 1 is associated with the power consumption when the wireless communication device 1 is set using the setting content.
- the setting contents of the wireless communication device 1 are various settings of the wireless communication device 1 set by the setting unit 15, such as the transmission capacity, the modulation method, and the transmission power of the wireless communication device 1.
- FIG. 4 is a table showing an example of power consumption information stored in the power consumption information storage unit 17.
- the power consumption information storage unit 17 includes power consumption information that associates the transmission capacity and power consumption of the wireless communication device 1, and consumption that associates the modulation method and power consumption of the wireless communication device 1. Power information and power consumption information in which transmission power and power consumption of the wireless communication device 1 are associated with each other are stored. Further, the power consumption information storage unit 17 includes power consumption information that associates XPIC (cross polarization polarization interference) setting (on / off setting) with power consumption, and redundant configuration settings (hot standby and cold standby settings). ) And power consumption are stored in correspondence with each other.
- XPIC cross polarization polarization interference
- the power consumption information stored in the power consumption information storage unit 17 is not limited to these, and may be other power consumption information. Further, it may be at least one type of power consumption information among the transmission capacity, modulation scheme, transmission power, XPIC setting, and redundant configuration setting of the wireless communication apparatus 1.
- the power consumption for transmission capacities A to C is a to c (W), respectively.
- the power consumption in the modulation schemes E to G is e to g (W), respectively.
- the power consumption in the case of transmission power P to R is p to r (W), respectively.
- the power consumption when the XPIC setting is on is v (W), and the power consumption when the XPIC setting is off is x (W).
- the power consumption when the redundant configuration setting is hot standby is y (W), and the power consumption when the redundant configuration setting is cold standby is z (W).
- the power consumption a (W) in the case of the transmission capacity A is the power consumption added when the transmission capacity of the wireless communication apparatus 1 is set to the transmission capacity A.
- the power consumption of the wireless communication device 1 is a + e + p (W), and other power consumption (for example, the internal circuit 13 This is a value obtained by adding power consumption in
- FIG. 5 is a table showing another example of the power consumption information stored in the power consumption information storage unit 17.
- the power consumption information storage unit 17 is a combination of setting contents of the wireless communication apparatus 1 (for example, a predetermined transmission capacity, a predetermined modulation method, a predetermined transmission power, an XPIC setting, and a redundant configuration setting. ) And power consumption information that associates the power consumption of the wireless communication device 1 in the combination may be stored.
- a combination of settings (presets) that prioritize specific functions such as presets that prioritize transmission capacity and presets that prioritize reliability, may be prepared.
- the modulation method is determined according to the wireless environment.
- a preset in which a combination of other parameters is determined according to a modulation method that can be selected by the wireless communication apparatus may be prepared.
- presets that prioritize specific functions may be prepared under the restrictions of the modulation scheme of the wireless communication apparatus.
- the setting S illustrated in FIG. 5 indicates that the power consumption of the wireless communication device 1 when the wireless communication device 1 is set to the setting S (preset) is s (W).
- the power consumption information storage unit 17 may store power consumption information corresponding to all combinations of transmission capacity, modulation method, transmission power, XPIC setting, and redundant configuration setting, for example.
- the control unit 16 controls the setting unit 15. That is, the control unit 16 acquires information 25 regarding the power supply amount from the power supply unit 12 and power consumption information 26 from the power consumption information storage unit 17. Then, the power consumption of the wireless communication device 1 calculated using the power consumption information 26 does not exceed the power supply amount supplied to the wireless communication device 1 (in other words, the power consumption amount is equal to or less than the power supply amount). The setting contents of the wireless communication device 1 are determined. The control unit 16 outputs the determined setting information 27 to the setting unit 15.
- FIG. 3 is a block diagram illustrating an example of the control unit 16 included in the wireless communication device 1 according to the present embodiment. As illustrated in FIG. 3, the control unit 16 includes a setting content determination unit 31, a power consumption calculation unit 32, and a comparison unit 33.
- the setting content determination unit 31 determines the setting content of the wireless communication device 1 and outputs the determined setting content 35 to the power consumption calculation unit 32. For example, the setting content determination unit 31 determines the transmission capacity, modulation scheme, transmission power, and the like of the wireless communication device 1.
- the power consumption calculation unit 32 calculates the power consumption of the wireless communication apparatus 1 according to the setting content 35 determined by the setting content determination unit 31 using the power consumption information 26 acquired from the power consumption information storage unit 17. To do.
- the calculated power consumption 36 is output to the comparison unit 33.
- the comparison unit 33 compares the calculated power consumption 36 with the power supply amount 25 supplied to the wireless communication device 1. Then, these comparison results 37 are output to the setting content determination unit 31.
- the setting content determination unit 31 outputs the determined setting content as the setting content 27 of the wireless communication device.
- the setting content determination unit 31 determines the setting content of the wireless communication device 1 again. At this time, the setting content determination unit 31 determines the setting content so that the power consumption amount in the setting content determined again becomes smaller than the power consumption amount in the previous setting content. The setting content determination unit 31 repeats the determination of the setting content until the calculated power consumption 36 does not exceed the power supply amount 25.
- the operation of the wireless communication apparatus 1 according to the present embodiment will be described using the flowchart shown in FIG. It is assumed that the power consumption information storage unit 17 stores power consumption information in advance. Below, operation
- the control unit 16 acquires information 25 relating to the power supply amount from the power supply unit 12 (step S1).
- the control part 16 determines the setting content of the radio
- determining the setting contents means setting various parameters such as a transmission capacity, a modulation method, and transmission power of the wireless communication apparatus 1.
- the control unit 16 calculates the power consumption of the wireless communication apparatus 1 according to the determined setting content using the power consumption information 26 stored in the power consumption information storage unit 17 (step S3).
- the control unit 16 compares the calculated power consumption with the power supply amount supplied from the power supply unit 12 (step S4), and is determined when the calculated power consumption does not exceed the power supply amount.
- the wireless communication apparatus 1 is set using the set contents (step S6).
- step S5 when the calculated power consumption exceeds the power supply amount (step S5: No), the setting content of the wireless communication device 1 is determined again (step S2). That is, in this case, the operations in steps S2 to S5 are repeated until the calculated power consumption does not exceed the power supply amount.
- the control unit can reduce the power consumption of the wireless communication device 1 by changing at least one setting content of the transmission capacity, the modulation method, and the transmission power of the wireless communication device 1.
- Such processing can be performed, for example, when the wireless communication device 1 is powered on.
- the control unit 16 may determine the setting contents of the wireless communication device when the wireless communication device 1 is turned on.
- control unit 16 monitors the power supply amount supplied to the wireless communication device 1, and the wireless communication device 1 calculated using the power supply amount supplied to the wireless communication device 1 and the power consumption information 26.
- the difference from the power consumption amount becomes equal to or less than a predetermined threshold value
- the process for determining the setting content of the wireless communication apparatus described above may be performed.
- the case where the difference between the power supply amount and the power consumption amount is equal to or less than a predetermined threshold is a case where the power supply amount is reduced and the difference between the power supply amount and the power consumption amount is reduced.
- the predetermined threshold value can be arbitrarily determined.
- a power feeding system for example, PoE power feeding system
- PSE power feeding device
- PD power receiving device
- the wireless communication apparatus information on the amount of power supplied to the wireless communication apparatus 1 is acquired, and the power of the wireless communication apparatus when the wireless communication apparatus is set using a predetermined setting content
- the consumption is calculated using power consumption information prepared in advance.
- the wireless communication device is set using predetermined setting contents.
- the wireless communication apparatus can be set so that the power consumption in the wireless communication apparatus does not exceed the power supply amount. That is, the setting of the wireless communication device can be appropriately changed according to the amount of supplied power. Therefore, even when a power feeding system that supplies power via a communication cable is used, it is possible to provide a wireless communication device and a wireless communication device control method that can realize stable operation. In addition, unlike the technique according to Patent Document 1, it is not necessary to use an auxiliary power supply, so that the device configuration can be simplified.
- FIG. 7 is a block diagram of the wireless communication apparatus according to the second embodiment.
- the wireless communication device according to the present embodiment is configured to be able to transmit the setting contents and the setting change request of the wireless communication device to other wireless communication devices, and the wireless communication device described in the first embodiment. Different. Other than this, the wireless communication apparatus is the same as the wireless communication apparatus described in the first embodiment, and thus the same components are denoted by the same reference numerals and redundant description is omitted.
- the wireless communication device 2 includes a separation unit 11, a power supply unit 12, a communication unit 44, a setting unit 15, a control unit 46, a power consumption information storage unit 17, and an antenna 18.
- the communication unit 44, the setting unit 15, the control unit 46, and the power consumption information storage unit 17 constitute an internal circuit 43 (that is, a main circuit) of the wireless communication device 2.
- the wireless communication device 2 is connected to another electronic device 5 via the communication cable 21.
- the electronic device 5 supplies power to the wireless communication device 2 via the communication cable 21.
- the wireless communication device 2 wirelessly transmits communication data supplied from the electronic device 5 via the communication cable 21, and supplies communication data received by the wireless communication device 2 to the electronic device 5 via the communication cable 21. To do.
- the control unit 46 acquires the information 25 related to the power supply amount from the power supply unit 12 and the power consumption information 26 from the power consumption information storage unit 17 in the same manner as the control unit 16 described in the first embodiment. Then, the setting content of the wireless communication device 2 is determined so that the power consumption amount of the wireless communication device 2 calculated using the power consumption information 26 does not exceed the power supply amount supplied to the wireless communication device 2. The control unit 46 outputs the determined setting information 27 to the setting unit 15.
- the communication unit 44 performs wireless communication with other wireless communication devices, like the communication unit 14 described in the first embodiment.
- control unit 46 outputs the setting contents and setting change request of the wireless communication device 2 to the communication unit 44.
- the communication unit 44 wirelessly transmits the setting content and the setting change request of the wireless communication device 2 to another wireless communication device.
- the setting change request is a signal for requesting to change the setting content of another wireless communication device using the setting content of the wireless communication device 2.
- the communication unit 44 when the communication unit 44 receives the setting content and the setting change request of another wireless communication device, the communication unit 44 outputs the received setting content and the setting change request to the control unit 46.
- the control unit 46 changes the setting content of the wireless communication device 2 based on the setting content of the other wireless communication device. For example, the control unit 46 changes the setting contents of the wireless communication device 2 so that the setting contents of the wireless communication device 2 are the same as the setting contents of the other wireless communication devices.
- FIG. 8 is a block diagram illustrating a state in which the wireless communication apparatuses according to the present embodiment are communicating with each other.
- the wireless communication device A (2A) and the wireless communication device B (2B) each have the same configuration as the wireless communication device 2 according to the present embodiment shown in FIG. As shown in FIG.
- the setting contents of the wireless communication device A (2A) and the wireless communication device B (2B) ( Transmission capacity, modulation method, transmission power, etc.) must be the same.
- control unit included in the wireless communication device A (2A) is described as a control unit 46A
- control unit included in the wireless communication device B (2B) is described as a control unit 46B.
- step S11 the wireless communication device A (2A) sets the wireless communication device A (2A) based on the setting content determined by the control unit 46A (step S11).
- step S11 shown in FIG. 9 corresponds to step S6 in the flowchart shown in FIG. 6, and in this case as well, when setting the wireless communication apparatus A (2A), the steps in the flowchart shown in FIG. Processing of S1 to S6 is performed.
- the wireless communication device A (2A) transmits the setting content A and the setting change request A of the wireless communication device A (2A) to the wireless communication device B (2B) (step S12). That is, the control unit 46A of the wireless communication device A (2A) outputs the setting content A and the setting change request A of the wireless communication device A (2A) to the communication unit 44A. The communication unit 44A transmits the setting content A and the setting change request A of the wireless communication device A (2A) to the wireless communication device B (2B).
- the wireless communication device B (2B) When the wireless communication device B (2B) receives the setting content A and the setting change request A of the wireless communication device A (2A), the wireless communication device B (2B) transmits the setting content B of the wireless communication device B (2B) to the wireless communication device A (2A). Determination is made based on the setting content A (step S13). That is, the control unit 46B of the wireless communication device B (2B) allows the wireless communication device B (2B) so that the setting content B of the wireless communication device B (2B) is the same as the setting content A of the wireless communication device A (2A). ) Setting content B is determined.
- the control unit 46B of the wireless communication device B (2B) uses the power consumption information stored in the power consumption information storage unit 17B as the power consumption of the wireless communication device B (2B) according to the determined setting content B. Calculation is performed using the power information 26B (step S14). Then, the control unit 46B compares the calculated power consumption with the power supply amount supplied from the power supply unit 12B (step S15), and when the calculated power consumption does not exceed the power supply amount (step S16). : Yes), the wireless communication apparatus B (2B) is set using the determined setting content B (step S17).
- step S16 when the power consumption calculated in the wireless communication device B (2B) exceeds the power supply amount (step S16: No), the control unit 46B has a power consumption smaller than the previously determined setting content B.
- the setting content B ′ of the wireless communication device B (2B) is determined (step S21 in FIG. 10).
- the control unit 46B of the wireless communication device B (2B) stores the power consumption amount of the wireless communication device B (2B) according to the determined setting content B ′ in the power consumption information storage unit 17B. Calculation is performed using the power consumption information 26B (step S22).
- the control unit 46B compares the calculated power consumption with the power supply amount supplied from the power supply unit 12B (step S23), and when the calculated power consumption does not exceed the power supply amount (step S24). : Yes), the wireless communication apparatus B (2B) is set using the determined setting content B ′ (step S25). On the other hand, when the calculated power consumption exceeds the power supply amount (step S24: No), the setting content of the wireless communication device B (2B) is determined again (step S21). That is, in this case, the operations in steps S21 to S24 are repeated until the calculated power consumption does not exceed the power supply amount. For example, the power consumption of the wireless communication device B (2B) can be reduced by changing at least one setting content of the transmission capacity, modulation scheme, and transmission power of the wireless communication device B (2B).
- the wireless communication device B (2B) sets the wireless communication device B (2B) using the setting content B ′, and then wirelessly communicates the setting content B ′ and the setting change request B of the wireless communication device B (2B). It transmits to apparatus A (2A) (step S26). That is, the control unit 46B of the wireless communication device B (2B) outputs the setting content B ′ and the setting change request B of the wireless communication device B (2B) to the communication unit 44B. The communication unit 44B transmits the setting content B ′ and the setting change request B of the wireless communication device B (2B) to the wireless communication device A (2A).
- the wireless communication device A (2A) Upon receiving the setting content B ′ and setting change request B of the wireless communication device B (2B), the wireless communication device A (2A) transmits the setting content A ′ of the wireless communication device A (2A) to the wireless communication device B (2B). ) Based on the setting content B ′ (step S27). That is, the control unit 46A of the wireless communication device A (2A) causes the wireless communication device A (2A) to make the setting content A ′ of the wireless communication device A (2A) the same as the setting content B ′ of the wireless communication device B (2B). The setting content A ′ of (2A) is determined. Thereafter, the control unit 46A sets the wireless communication device A (2A) using the setting content A '(step S28).
- the power consumption of the wireless communication device A (2A) when set using the setting content A ′ is greater than the power consumption of the wireless communication device A (2A) when set using the setting content A. Get smaller. Therefore, in this case, the step of calculating the power consumption of the wireless communication device A (2A) according to the setting content A ′ (see step S3) and the step of comparing the calculated power consumption and the power supply amount ( Step S4) can be omitted.
- the setting contents of a pair of wireless communication devices that communicate with each other can be made the same.
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Abstract
Description
以下、図面を参照して本発明の実施の形態について説明する。
図1は、実施の形態1にかかる無線通信装置を示すブロック図である。本実施の形態にかかる無線通信装置1は制御部16を備える。無線通信装置1には、通信ケーブル21を介して電力が供給される。制御部16は、無線通信装置1の設定内容と、当該設定内容で動作する際の消費電力とを対応付けた消費電力情報とを用いて算出された電力消費量が、無線通信装置1に供給される電力供給量を超えないように、無線通信装置1の設定内容を決定する。以下、本実施の形態にかかる無線通信装置1について詳細に説明する。
次に本発明の実施の形態2について説明する。図7は、実施の形態2にかかる無線通信装置を示すブロック図である。本実施の形態にかかる無線通信装置では、無線通信装置の設定内容と設定変更要求とを他の無線通信装置に送信可能に構成されている点が、実施の形態1で説明した無線通信装置と異なる。これ以外は実施の形態1で説明した無線通信装置と同様であるので、同一の構成要素には同一の符号を付し、重複した説明は省略する。
5 電子機器
11 分離部
12 電源部
13 内部回路
14、44 通信部
15 設定部
16、46 制御部
17 消費電力情報格納部
18 アンテナ
31 設定内容決定部
32 電力消費量算出部
33 比較部
Claims (21)
- 通信ケーブルを介して電力が供給される無線通信装置であって、
前記無線通信装置の設定内容と、当該設定内容で動作する際の消費電力とを対応付けた消費電力情報とを用いて算出された電力消費量が電力供給量を超えないように前記無線通信装置の設定内容を決定する制御部を備える、
無線通信装置。 - 前記無線通信装置は、
前記通信ケーブルを介して供給された電力を通信データから分離する分離部と、
前記分離部で分離された前記電力を無線通信装置に供給する電源部と、
他の無線通信装置との無線通信を行う通信部と、
前記無線通信装置の設定を行う設定部と、
前記無線通信装置の設定内容と、当該設定内容を用いて前記無線通信装置を設定した際の消費電力とを対応付けた消費電力情報を格納した消費電力情報格納部と、を更に備える、
請求項1に記載の無線通信装置。 - 前記制御部は、
前記無線通信装置の設定内容を決定する設定内容決定部と、
前記設定内容決定部で決定された設定内容に応じた前記無線通信装置の電力消費量を、前記消費電力情報を用いて算出する電力消費量算出部と、
前記算出された電力消費量と前記無線通信装置に供給される電力供給量とを比較する比較部と、を備え、
前記設定内容決定部は、前記算出された電力消費量が前記電力供給量を超えない場合に、前記決定した設定内容を前記無線通信装置の設定内容として前記設定部に出力する、
請求項2に記載の無線通信装置。 - 前記設定内容決定部は、前記算出された電力消費量が前記電力供給量を超えている場合、再度、前記無線通信装置の設定内容を決定する、
請求項3に記載の無線通信装置。 - 前記消費電力情報格納部は、前記無線通信装置の伝送容量と消費電力とを対応付けた消費電力情報、前記無線通信装置の変調方式と消費電力とを対応付けた消費電力情報、前記無線通信装置の送信電力と消費電力とを対応付けた消費電力情報、前記無線通信装置のXPICの設定と消費電力とを対応付けた消費電力情報、および前記無線通信装置の冗長構成の設定と消費電力とを対応付けた消費電力情報のうちの少なくとも一つを格納している、請求項2乃至4のいずれか一項に記載の無線通信装置。
- 前記制御部は、前記消費電力情報を用いて算出された前記無線通信装置の電力消費量が前記無線通信装置に供給される電力供給量を超えている場合、前記無線通信装置の伝送容量、変調方式、送信電力、XPICの設定、および冗長構成の設定のうちの少なくとも一つの設定内容を変更することで前記無線通信装置の電力消費量を低下させる、請求項5に記載の無線通信装置。
- 前記消費電力情報格納部は、前記無線通信装置の設定内容の組み合わせと、当該組み合わせにおける前記無線通信装置の消費電力とを対応付けた消費電力情報を格納している、請求項2乃至4のいずれか一項に記載の無線通信装置。
- 前記制御部は、前記無線通信装置の電源投入時に前記無線通信装置の設定内容を決定する、請求項1乃至7のいずれか一項に記載の無線通信装置。
- 前記制御部は、前記無線通信装置に供給されている電力供給量をモニタしており、
前記無線通信装置に供給されている電力供給量と、前記消費電力情報を用いて算出された前記無線通信装置の電力消費量との差が所定の閾値以下となった場合に、前記無線通信装置の設定内容を変更する、請求項1乃至8のいずれか一項に記載の無線通信装置。 - 前記無線通信装置は、前記他の無線通信装置が前記無線通信装置の設定内容を用いて設定内容を変更することを要求する設定変更要求と、前記無線通信装置の設定内容とを前記他の無線通信装置に送信可能に構成されている、請求項1乃至9のいずれか一項に記載の無線通信装置。
- 前記無線通信装置は、前記他の無線通信装置の設定内容を用いて前記無線通信装置の設定内容を変更することを要求する設定変更要求と、前記他の無線通信装置の設定内容とを受信した場合、前記他の無線通信装置の設定内容に基づいて前記無線通信装置の設定内容を変更する、請求項1乃至10のいずれか一項に記載の無線通信装置。
- 前記制御部は、前記他の無線通信装置の設定内容に基づき算出された前記無線通信装置の電力消費量が前記無線通信装置に供給される電力供給量を超えていない場合、前記他の無線通信装置の設定内容に基づいて前記無線通信装置の設定内容を変更する、請求項11に記載の無線通信装置。
- 前記制御部は、前記他の無線通信装置の設定内容に基づき算出された前記無線通信装置の電力消費量が前記無線通信装置に供給される電力供給量を超えている場合、前記無線通信装置に供給される電力供給量を超えないように前記無線通信装置の設定内容を決定し、当該決定した設定内容および設定変更要求を前記他の無線通信装置に送信する、請求項11に記載の無線通信装置。
- 通信ケーブルを介して電力が供給される無線通信装置の制御方法であって、
前記無線通信装置に供給される電力供給量に関する情報を取得し、
所定の設定内容を用いて前記無線通信装置を設定した場合の前記無線通信装置の電力消費量を、前記無線通信装置の設定内容と、当該設定内容を用いて前記無線通信装置を設定した際の消費電力とを対応付けた消費電力情報を用いて算出し、
前記算出された電力消費量が前記供給される電力供給量を超えない場合、前記所定の設定内容を用いて前記無線通信装置の設定を行う、
無線通信装置の制御方法。 - 前記消費電力情報は、前記無線通信装置の伝送容量と消費電力とを対応付けた消費電力情報、前記無線通信装置の変調方式と消費電力とを対応付けた消費電力情報、前記無線通信装置の送信電力と消費電力とを対応付けた消費電力情報、前記無線通信装置のXPICの設定と消費電力とを対応付けた消費電力情報、および前記無線通信装置の冗長構成の設定と消費電力とを対応付けた消費電力情報のうちの少なくとも一つである、請求項14に記載の無線通信装置の制御方法。
- 前記消費電力情報は、前記無線通信装置の設定内容の組み合わせと、当該組み合わせにおける前記無線通信装置の消費電力とを対応付けた消費電力情報である、請求項14に記載の無線通信装置の制御方法。
- 前記無線通信装置の電源投入時に前記無線通信装置の設定内容を決定する、請求項14乃至16のいずれか一項に記載の無線通信装置の制御方法。
- 前記無線通信装置は、他の無線通信装置が前記無線通信装置の設定内容を用いて設定内容を変更することを要求する設定変更要求と、前記無線通信装置の設定内容とを前記他の無線通信装置に送信する、請求項14乃至17のいずれか一項に記載の無線通信装置の制御方法。
- 前記無線通信装置は、他の無線通信装置の設定内容を用いて前記無線通信装置の設定内容を変更することを要求する設定変更要求と、前記他の無線通信装置の設定内容とを受信した場合、前記他の無線通信装置の設定内容に基づいて前記無線通信装置の設定内容を変更する、請求項14乃至18のいずれか一項に記載の無線通信装置の制御方法。
- 前記他の無線通信装置の設定内容に基づき算出された前記無線通信装置の電力消費量が前記無線通信装置に供給される電力供給量を超えていない場合、前記他の無線通信装置の設定内容に基づいて前記無線通信装置の設定内容を変更する、請求項19に記載の無線通信装置の制御方法。
- 前記他の無線通信装置の設定内容に基づき算出された前記無線通信装置の電力消費量が前記無線通信装置に供給される電力供給量を超えている場合、前記無線通信装置に供給される電力供給量を超えないように前記無線通信装置の設定内容を決定し、当該決定した設定内容および設定変更要求を前記他の無線通信装置に送信する、請求項19に記載の無線通信装置の制御方法。
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