WO2005027423A1 - 無線通信方法及び無線通信端末収容装置並びに無線通信端末 - Google Patents
無線通信方法及び無線通信端末収容装置並びに無線通信端末 Download PDFInfo
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- WO2005027423A1 WO2005027423A1 PCT/JP2004/013569 JP2004013569W WO2005027423A1 WO 2005027423 A1 WO2005027423 A1 WO 2005027423A1 JP 2004013569 W JP2004013569 W JP 2004013569W WO 2005027423 A1 WO2005027423 A1 WO 2005027423A1
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- wireless communication
- communication terminal
- terminals
- information
- communication terminals
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
Definitions
- the present invention relates to a wireless communication method in a wireless communication system for transmitting and receiving data between a plurality of wireless communication terminals using wireless communication, a wireless communication terminal accommodating device constituting the wireless communication system, and a wireless communication terminal.
- a wireless communication method in this wireless communication network includes a wireless communication terminal that manages communication between other wireless communication terminals (hereinafter, a wireless communication terminal that manages this communication is referred to as a wireless communication terminal accommodating device).
- a wireless communication terminal accommodating device a wireless communication terminal that manages this communication.
- a centralized control communication method in which each wireless communication terminal is given a communication right by the wireless communication terminal housing device, and a wireless communication terminal housing device that does not exist and each wireless communication terminal has a communication status in a transmission medium. Verification
- Carrier Sense Carrier Sense
- a transmission medium a wireless transmission medium
- the wireless communication terminal accommodating device becomes the main unit, and each of the plurality of wireless communication terminals accommodated in the wireless communication terminal accommodating device becomes a slave, and the wireless communication terminal accommodating device becomes a slave. Communicates with each of a plurality of wireless communication terminals via a wireless transmission medium, and controls communication in each of the plurality of wireless communication terminals.
- Non-Patent Document 1 describes a relay route with high transmission efficiency in a network 1 using a wireless transmission line with large fluctuations in transmission characteristics.
- a route control system for searching is described.
- each node broadcasts the number of error bits in the packet received from the adjacent node, the reception line bandwidth of its own node, and the time when the line quality was measured, so that the adjacent nodes can communicate with each other.
- each node broadcasts the line status received from the adjacent node as it is, so that the winding status of each node can be transmitted to the node further adjacent to the adjacent node.
- OSPF Open Shortest Path First
- Non-Patent Document 1 "Asymmetric Adaptive Routing Control System APS for Wireless Link", IC98, Japan Society for Software Science and Technology, pp.107-116, 1998
- the wireless communication terminal accommodating device has information indicating the communication relationship between the accommodated wireless communication terminals ("Which wireless communication terminal can detect which wireless communication terminal?" Information, such as which wireless communication terminal has the information sent from the terminal arrived at, etc.), it is impossible to make the accommodated wireless communication terminal perform efficient communication. In addition, it is not possible to perform direct communication (side stream) between parallel wireless communication terminals, and this may lead to a situation where communication between wireless communication terminals causes interference. Absent.
- Non-Patent Document 1 since the circuit status of each node gradually spreads to a node further adjacent to the adjacent node, all nodes in the network 1 It takes a very long time to grasp the line status, and the traffic in the network increases. I will. In addition, in the case of wireless communication, various conditions including the line status change every moment, and such communication-related conditions need to be immediately reflected in communications. The technology described in Document 1 cannot cope with such instantaneous changes, and information that spreads over time is not accurate and meaningful information depending on the changing environment of wireless communication conditions. . Disclosure of the invention
- the present invention provides a wireless communication method and a wireless communication method capable of grasping the overall configuration of a wireless communication system from a bird's-eye view even in an environment where changes in wireless communication conditions are relatively large.
- An object of the present invention is to provide a wireless communication terminal accommodating device and a wireless communication terminal that constitute a wireless communication system.
- a wireless communication method provides a wireless communication terminal accommodating device and a plurality of wireless communication terminals accommodated in the wireless communication terminal accommodating device, each of which communicates a wireless transmission medium.
- a wireless communication method in a wireless communication system that performs communication via a wireless communication system, wherein each of a plurality of wireless communication terminals transmits identification information of its own terminal, and each of the plurality of wireless communication terminals monitors communication.
- each of the plurality of Ishizumi communication terminals transmits the identification information of the other wireless communication terminal to the wireless communication terminal accommodating device, and the wireless communication terminal accommodating device acquires Based on the identification information of the other wireless communication terminals received from each of the wireless communication terminals, information indicating a relationship of detection of the presence of a plurality of threadless communication terminals is generated.
- each of the plurality of wireless communication terminals is connected to another wireless communication terminal.
- the wireless communication terminal accommodating device periodically transmits the identification information of the wireless terminal to the wireless communication terminal accommodating device, and the wireless communication terminal accommodating device periodically receives the identification information of the other wireless communication terminals from each of the plurality of wireless communication terminals.
- Information indicating a temporal change in the relationship between the presence detection of a plurality of wireless communication terminals is generated.
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a bird's-eye view, and even if the wireless communication terminal moves or the communication environment changes due to other factors, the time can be maintained. It is possible to grasp the change in the future.
- the wireless communication terminal accommodating device cannot directly detect the wireless communication terminal accommodating device based on the identification information of the other wireless communication terminals received from each of the plurality of wireless communication terminals.
- the presence of a wireless communication terminal or a wireless communication terminal accommodation device existing around each of the plurality of wireless communication terminals is detected.
- the wireless communication terminal accommodating device can recognize a wireless communication terminal or a wireless communication terminal accommodating device belonging to an external wireless communication system that is not accommodated in the wireless communication terminal accommodating device. In this case, communication can be performed in consideration of the influence of the wireless communication terminals belonging to these external wireless communication systems and the wireless communication terminal accommodation device.
- each of the plurality of wireless communication terminals acquires identification information of another wireless communication terminal capable of monitoring communication, and acquires information related to communication with the other wireless communication terminal,
- Each of the plurality of wireless communication terminals transmits the identification information of the other wireless communication terminal to the wireless communication terminal accommodating device, and transmits information related to communication with the other wireless communication terminal.
- the terminal accommodating device is configured to generate information related to communication between a plurality of wireless communication terminals based on information related to communication with another wireless communication terminal received from each of the plurality of wireless communication terminals. This makes it possible for the wireless communication terminal accommodating device to grasp the overall configuration of the wireless communication system from a bird's-eye view, and to further understand the communication status and the like between the wireless communication terminals. .
- each of the plurality of wireless communication terminals acquires identification information of another wireless communication terminal capable of monitoring communication, and acquires information relating to communication with another wireless communication terminal.
- Each of the plurality of wireless communication terminals transmits the identification information of the other wireless communication terminal and the information on the communication capability of the own wireless communication terminal to the wireless communication terminal accommodating device, and the other wireless communication terminal.
- the wireless communication terminal accommodating apparatus transmits information related to communication with another wireless communication terminal and information related to communication capability of each wireless communication terminal received from each of the plurality of wireless communication terminals. Based on the information, information related to communication between a plurality of wireless communication terminals is generated.
- the wireless communication terminal accommodating device to grasp the overall configuration of the wireless communication system in a comprehensive manner, and to further grasp the communication status and the like between the wireless communication terminals. .
- each of the plurality of wireless communication terminals periodically transmits information related to communication with another wireless communication terminal to the wireless communication terminal accommodation device, and Based on information on communication with another wireless communication terminal that is periodically received from each of the wireless communication terminals, information indicating a time change of the communication status between the plurality of wireless communication terminals is generated. .
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a low level, and can further grasp the communication status between the wireless communication terminals. Also, even when the wireless communication terminal moves or the communication environment changes due to other factors, it is possible to grasp the temporal change.
- each of the plurality of wireless communication terminals periodically transmits information related to communication with another wireless communication terminal and information related to the communication capability of the own wireless communication terminal to the wireless communication terminal accommodating device.
- the wireless communication terminal accommodating device based on information on communication with the other wireless communication terminals that is periodically received from each of the plurality of wireless communication terminals and information on the communication capability of each wireless communication terminal. In addition, information indicating a time change of a communication status between a plurality of wireless communication terminals is generated.
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a bird's-eye view, and can further grasp the communication status and the like between the wireless communication terminals. Even if the wireless communication terminal moves or the communication environment changes due to other factors, it is possible to grasp the temporal change.
- the wireless communication terminal accommodating apparatus it is impossible for the wireless communication terminal accommodating apparatus to directly detect the wireless communication terminal accommodating apparatus based on information received from each of the plurality of wireless communication terminals and related to communication with another wireless communication terminal. It is possible to obtain information related to communication between a plurality of wireless communication terminals and a wireless communication terminal or a wireless communication terminal accommodating device existing around each of the plurality of wireless communication terminals. .
- the wireless communication terminal accommodating device can recognize a wireless communication terminal or a wireless communication terminal accommodating device belonging to an external wireless communication system that is not accommodated in the wireless communication terminal accommodating device. It is possible to grasp the communication status with a wireless communication terminal or a wireless communication terminal accommodating device belonging to an external wireless communication system. Communication that takes into account the effects of the equipment becomes possible.
- information relating to communication with another wireless communication terminal is The power level or error rate of the signal received by the communication terminal from another wireless communication terminal or the wireless communication terminal accommodating device, the amount of change in the power level or error rate, the position of the wireless communication terminal, or the other wireless communication terminal or wireless It is designed to include one of the direction to the communication terminal accommodation device and the amount of fluctuation in that direction.
- the wireless communication terminal accommodating device can grasp information related to communication between the wireless communication terminals, such as an effective distance in communication between the wireless communication terminals.
- the information on the communication capability of each wireless communication terminal includes the moving direction or moving speed of the wireless communication terminal, the type of communication interface that the wireless communication terminal has, the transmission directivity that the wireless communication terminal can form. However, it is intended to include any one of the reception directivity.
- the wireless communication terminal accommodating device refers to the information indicating the relationship between the detection of the presence of the plurality of wireless communication terminals and performs communication between the two wireless communication terminals among the plurality of wireless communication terminals. In this case, communication between two wireless communication terminals and communication between two other wireless communication terminals that do not overlap are allowed at the same time.
- the wireless communication terminal accommodating device can perform communication with high wireless resource utilization efficiency by using a plurality of side streams (simultaneous communication between wireless communication terminals).
- a wireless communication terminal accommodating device of the present invention communicates with each of a plurality of wireless communication terminals via a wireless transmission medium, and wirelessly accommodates each of the plurality of wireless communication terminals.
- a communication terminal accommodation device Receiving means for receiving, from each of the plurality of wireless communication terminals, identification information of another wireless communication terminal capable of monitoring communication with each of the plurality of wireless communication terminals; and Correlation information generating means for generating, based on the received identification information of the other wireless communication terminals, information indicating a relationship of detection of the presence of the plurality of wireless communication terminals.
- the wireless communication terminal accommodation device can grasp the overall configuration of the wireless communication system from a bird's-eye view.
- the wireless communication terminal accommodating device of the present invention when receiving information related to communication with another wireless communication terminal from each of the plurality of wireless communication terminals by the receiving means, It has a communication information generating means for generating information related to communication between each other.
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a bird's-eye view, and can further grasp the communication status between the wireless communication terminals.
- the wireless communication terminal accommodating apparatus of the present invention when receiving information on the communication capability of each wireless communication terminal from each of the plurality of wireless communication terminals by the receiving means, A communication information generating unit configured to generate information related to communication between a plurality of wireless communication terminals based on the information related to the capability;
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a bird's-eye view, and can further grasp the communication status between the wireless communication terminals.
- a wireless communication terminal of the present invention is a wireless communication terminal that communicates with a wireless communication terminal accommodating device via a wireless transmission medium and is accommodated in the wireless communication terminal accommodating device. Transmitting own terminal identification information own terminal identification information transmitting means and other wireless communication capable of monitoring communication There is provided identification information acquiring means for acquiring the identification information of the terminal, and acquired identification information transmitting means for transmitting the identification information of another wireless communication terminal to the wireless communication terminal accommodating device.
- the wireless communication terminal accommodation device can grasp the overall configuration of the wireless communication system from a bird's-eye view.
- the wireless communication terminal is a communication information acquisition means for acquiring linguistic information related to communication with another wireless communication terminal, and a 'fine report related to communication with another wireless communication terminal. And means for transmitting acquired communication information.
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a bird's-eye view, and can further grasp the communication status and the like between the wireless communication terminals.
- the wireless communication terminal of the present invention relates to the communication capability of the wireless communication terminal.
- It has communication capability information acquiring means for acquiring a blue report, and acquired communication information transmitting means for transmitting information relating to the communication capability of its own wireless communication terminal to the wireless communication terminal accommodation device.
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a bird's-eye view, and can further grasp the communication status between the wireless communication terminals.
- the wireless communication method is a wireless communication system in which one wireless communication terminal accommodating device and a plurality of wireless communication terminals accommodated in the wireless communication terminal accommodating device communicate with each other via a wireless transmission medium.
- each of the plurality of wireless communication terminals transmits identification information of its own terminal, and each of the plurality of wireless communication terminals communicates with another wireless communication terminal capable of monitoring communication.
- Each of the plurality of wireless communication terminals transmits the identification information of the other wireless communication terminal to the wireless communication terminal accommodating device, and acquires the identification information.
- the terminal accommodating device is configured to generate information indicating a relationship between the detection of the existence of the plurality of wireless communication terminals based on the identification information of the other wireless communication terminals received from each of the plurality of wireless communication terminals.
- the wireless communication terminal accommodating device can grasp the overall configuration of the wireless communication system from a bird's-eye view.
- the wireless communication terminal accommodating device of the present invention communicates with each of a plurality of wireless communication terminals via a wireless transmission medium, and is a wireless communication terminal accommodating device accommodating each of the plurality of wireless communication terminals.
- Receiving means for receiving identification information transmitted from each of the plurality of wireless communication terminals, the identification information of each of the plurality of wireless communication terminals capable of monitoring communication, and And a correlation information generating means for generating information indicating a relationship between the detection of the presence of the plurality of wireless communication terminals based on the identification information of the other wireless communication terminals received from each of the plurality of wireless communication terminals.
- the communication terminal accommodating device can grasp the configuration of the entire wireless communication system from a bird's-eye view.
- the wireless communication terminal of the present invention communicates with the wireless communication terminal accommodating device via the wireless transmission medium, and is not a wireless communication terminal accommodated in the wireless communication terminal accommodating device; Self-terminal identification information transmitting means for transmitting; identification information obtaining means for obtaining identification information of another wireless communication terminal capable of monitoring communication; and wireless communication terminal accommodating apparatus for transmitting identification information of another wireless communication terminal. Since the wireless communication terminal accommodating device has the acquisition identification information transmitting means for transmitting the information to the wireless communication terminal, the wireless communication terminal accommodation device can grasp the overall configuration of the wireless communication system from a bird's eye view.
- FIG. 1 is a schematic diagram illustrating a first example of a configuration of a wireless communication system according to an embodiment of the present invention.
- FIG. 2 is a diagram showing a first example of a relationship of detecting the presence of wireless communication terminals in the wireless communication system shown in FIG. 1,
- FIG. 3 is a sequence chart for the wireless communication terminal accommodating apparatus according to the embodiment of the present invention to grasp the relationship of the presence detection between wireless communication terminals,
- FIG. 4 is a diagram schematically showing the relationship of the presence detection shown in FIG. 2,
- FIG. 5 is a diagram showing a second example of the relationship of detecting the presence of wireless communication terminals in the wireless communication system shown in FIG. 1,
- FIG. 6 is a schematic diagram showing a second example of the configuration of the wireless communication system according to the embodiment of the present invention.
- FIG. 7 is a diagram showing a relationship of detecting the presence of wireless communication terminals in the wireless communication system shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a schematic diagram illustrating a first example of a configuration of a wireless communication system according to an embodiment of the present invention.
- FIG. 1 shows a wireless communication system including one wireless communication terminal accommodation device 101 and five wireless communication terminals 102 a to 102 e. These communication ranges are schematically depicted.
- the five wireless communication terminals 102 a to 102 e are respectively assigned numbers (1) to (5).
- the numbers (1) to (5) assigned to the wireless communication terminals 102a to 102e are indicated by circled numbers.
- one wireless communication terminal accommodation device 101 accommodates five wireless communication terminals 102 a to 102 e.
- the wireless communication terminal accommodating device 101 can communicate with each of the wireless communication terminals 102 a to 102 e.
- the wireless communication terminals 102a to 102e have different communication environments and communication powers, and cannot necessarily communicate with each other.
- the communication range of each of the wireless communication terminals 102a to 102e is isotropic as illustrated in FIG.
- the communication range of the wireless communication terminals 102a to 102e can refer to the contents included in the wireless signal transmitted by the wireless communication terminals 102a to 102e.
- the wireless communication terminal 102c located within the communication range of the wireless communication terminal 102b can receive the signal from the wireless communication terminal 102b in a referable state, while The radio communication device 102d existing outside the communication range of the communication terminal 102b cannot receive the radio signal from the radio communication terminal 102b in a referable state. Therefore, for example, the wireless communication terminal 102c can detect the presence of the wireless communication terminal 102b, while the wireless communication terminal 102d can detect the presence of the wireless communication terminal 102b. I can't.
- the wireless communication terminals 102a to 102e of the wireless communication system shown in FIG. 1 can detect the presence of each other as follows.
- Wireless communication terminal 102a detects presence of wireless communication terminals 102b, 102d, and 102e
- Wireless communication terminal 102b detects presence of wireless communication terminals 102a, 102c, and 102d
- Wireless communication terminal 102c detects presence of wireless communication terminals 102a and 102b
- the wireless communication terminal 102d detects the presence of the wireless communication terminals 102a and 102e •
- Wireless communication terminal 102e detects presence of wireless communication terminals 102a, 102b, 102c, and 102d
- FIG. 2 is a diagram showing a first example of a relationship of detecting the presence of wireless communication terminals in the wireless communication system shown in FIG.
- the left column of Fig. 2 shows the subject of the detection, and the top column shows the object of the detection. If the subject of the detection can detect the presence of the object of the detection, " ⁇ " will be shown, and the subject of the detection will be the subject of the detection. If the presence of the object cannot be detected, “X” is described.
- the wireless communication terminal accommodating device 101 is a wireless communication terminal 101 as shown in FIG.
- FIG. 3 is a sequence chart for the wireless communication terminal accommodating device according to the embodiment of the present invention to grasp the relationship of the presence detection between wireless communication terminals.
- FIG. 3 shows the operation flow of the wireless communication terminal accommodating device 101 and the wireless communication terminal 102 a for the sake of simplicity, but the other wireless communication terminals 102 b to l
- the operation of 02 e is the same as the operation of the wireless communication terminal 102 a.
- the wireless communication terminal 102a periodically monitors the wireless medium (step S
- the wireless communication terminal 102a is connected to the detectable wireless communication terminal existing around the own terminal (in the state shown in FIG. 1, the wireless communication terminal 102b, 1b). It is possible to collect the identification information of 0 2 d and 102 e). Note that the wireless communication terminal 102a also transmits management information and the like including identification information of its own terminal on the transmission medium so that the other wireless communication terminals can perform the same processing.
- the identification information of the specific wireless communication terminal if the identification information of the specific wireless communication terminal cannot be received for a predetermined period or more, the identification information of the specific wireless communication terminal stored in the predetermined information storage unit is deleted. delete.
- arbitrary information can be used as the identification information. For example, a globally unique MACID, a connection ID set by a wireless communication terminal accommodating device, and the like can be used. Yes, the identification information can be extracted from the management information of the wireless communication terminal, or from a transmission frame during data communication with the wireless terminal accommodation device or another wireless communication terminal. Then, the wireless communication terminal 102 a transmits the identification information of all the other wireless communication terminals whose presence has been detected by the processing of steps S 301 to S 303 to the wireless communication terminal accommodation device 1.
- the timing at which the wireless communication terminal 102a transmits the identification information of the wireless communication terminal to the wireless communication terminal storage device 101 includes, for example, periodic transmission, transmission at an arbitrary timing, This is transmitted when requested by the wireless communication terminal accommodating device, or transmitted when the presence of a new wireless communication terminal is detected or when the presence of a specific wireless communication terminal is no longer detected. It is also possible to send the difference of the identification information of the wireless communication terminal (only the updated identification information).
- the wireless communication terminal accommodation device 101 receives the identification information sent from the wireless communication terminal 102a in step S304 (step S305). Similarly, it receives the identification information sent from the wireless communication terminals 102 b, 102 c, 102 d, 102 e (step S 306 to step S 300). 9), based on the identification information received in steps S305 to S309, determine the relationship between the detection of the existence of each wireless communication terminal 102a to 102e as shown in FIG. Then, information indicating the presence of each of the wireless communication terminals 102a to 102e is detected (step S310). By the above processing, The wireless communication terminal accommodating apparatus 101 can grasp the detection relation of the wireless communication terminals 102a to 102e as shown in FIG. It should be noted that the table shown in FIG. 2 is virtual, and the wireless communication terminal accommodation device 101 does not need to actually create it.
- FIG. 4 is a diagram schematically showing the relationship of the presence detection shown in FIG. FIG. 4 illustrates the relationship between the wireless communication terminals 102a to 102e in the wireless communication system in FIG.
- a signal arrives from one wireless communication terminal to the other wireless communication terminal (when the other wireless communication terminal exists within the communication range of one wireless communication terminal)
- one wireless communication terminal An arrow is provided from to the other wireless communication terminal.
- a single-stroke route through all wireless communication terminals 102 a to 102 e for example, (1) ⁇ (3) ⁇ (5) ⁇ (4
- the wireless communication terminal accommodation device 101 can find a route that passes through all the wireless communication terminals 102 a to 102 e.
- the wireless communication The terminal accommodating device 101 can also grasp the time change of the communication environment in the transmission medium, and further detect the movement of the wireless communication terminals 102 a to 102 e. .
- another wireless communication terminal accommodating device, a wireless communication terminal, and the like exist around the wireless communication system including the wireless communication terminal accommodation device 101 and the wireless communication terminals 102a to 102e.
- the identification information received from the wireless communication terminals 102 a to 102 e in steps S 305 to S 309 the identifications of the surrounding wireless communication terminal accommodation devices and wireless communication terminals are included in the identification information.
- Information may be included. That is, the wireless communication terminal accommodation device
- the unit 101 can grasp the presence of the wireless communication terminal existing around the wireless communication system by a series of processes of the sequence chart shown in FIG. It is possible to know which of the wireless communication terminals 102 a to 102 e can communicate with.
- FIG. 5 is a diagram showing a second example of the relationship of detecting the presence of wireless communication terminals in the wireless communication system shown in FIG.
- the communication terminal 102 b if the communication environment from the wireless communication terminal 102 a to the wireless communication terminal 102 b deteriorates for some reason (for example, a change in the communication environment over time), The communication terminal 102 b notifies the wireless communication terminal accommodation device 101 that the presence of the wireless communication terminal 102 a can no longer be detected.
- the table shown in FIG. 2 does not immediately indicate "X" (not detectable).
- Each cell in the table shown in FIG. 2 is multi-valued and, for example, as shown in FIG. 5, “?” (Unknown) is set. , "X".
- the wireless communication terminal 101a receives and extracts the identification information of another wireless communication terminal, and Although the extracted information is transmitted to the device 101, by expanding the information handled in steps S302 to S304, the wireless communication terminal accommodation device 101 Various information can be collected from the current wireless communication terminals 102 a to 102 e.
- the wireless communication terminals 102a to 102e detect a signal level (signal power level) and an error rate of management information and the like received from another wireless communication terminal, and transmit the detection result to the wireless communication terminal.
- the wireless communication terminal accommodation device 101 grasps the communication environment between each of the wireless communication terminals 102a to 102e, and obtains the value of each cell of the table shown in FIG. Can be multi-valued depending on the signal level, error rate, and the like.
- the other wireless communication terminal or the wireless communication terminal accommodation device In addition to the power level error rate of the signal related to the signal received from the terminal, for example, the fluctuation amount of the power level or the error rate, the direction in which another wireless communication terminal exists, the fluctuation amount of the direction, and the wireless communication system If a wireless communication terminal accommodating device different from the wireless communication terminal accommodating device 101 is detected, information on the wireless communication terminal accommodating device can be used.
- information transmitted from the wireless communication terminals 102 a to 102 e to the wireless communication terminal accommodating device 101 is transmitted to other wireless communication terminals 102 a to 102 e and wireless communication
- information relating to communication with the terminal accommodation device 101 information relating to the communication capabilities of the wireless communication terminals 102 a to 102 e is transmitted to the wireless communication terminal accommodation device 100. It is also possible to send to 1. That is, as information transmitted by each wireless communication terminal 102 a to 102 e to the wireless communication terminal accommodating device 101, the moving direction and moving speed of the wireless communication terminal, the communication interface of the wireless communication terminal, It is also possible to use the type, the directivity of the antenna of the wireless communication terminal, and the like.
- FIG. 6 is a schematic diagram illustrating a second example of the configuration of the wireless communication system according to the embodiment of the present invention.
- FIG. 7 is a diagram illustrating detection of the presence of wireless communication terminals in the wireless communication system illustrated in FIG. FIG.
- the wireless communication terminal accommodating device 501 is connected to the wireless communication terminal 502 a and the wireless communication terminal 502 b by a series of processes in the sequence chart shown in FIG. It can be understood that the communication between the wireless communication terminals does not affect the communication between the wireless communication terminal 502c and the wireless communication terminal 502d.
- the wireless communication terminal accommodating device 501 includes the direct communication (side stream) between the wireless communication terminal 502 a and the wireless communication terminal 502 b and the wireless communication terminal An instruction to simultaneously perform direct communication (side stream) between 502c and the wireless communication terminal 502d can be notified to each combination.
- a wireless communication method, a wireless communication terminal accommodating apparatus, and a wireless communication terminal according to the present invention can grasp the overall configuration of a wireless communication system from a bird's-eye view.
- the present invention is useful as a wireless communication method in a wireless communication system in which data is transmitted and received between the wireless communication systems and a wireless communication terminal accommodating device constituting the wireless communication system.
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Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP04773213.6A EP1655895B1 (en) | 2003-09-12 | 2004-09-10 | Radio communication method, radio communication terminal accommodating apparatus, and radio communication terminal |
US10/571,200 US8023476B2 (en) | 2003-09-12 | 2004-09-10 | Radio communication method, radio communication terminal accommodating apparatus, and radio communication terminal |
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JP2003-322145 | 2003-09-12 | ||
JP2003322145A JP3971359B2 (ja) | 2003-09-12 | 2003-09-12 | 無線通信方法及び無線通信端末収容装置並びに無線通信端末 |
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WO2005027423A1 true WO2005027423A1 (ja) | 2005-03-24 |
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EP (1) | EP1655895B1 (ja) |
JP (1) | JP3971359B2 (ja) |
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JP5097052B2 (ja) | 2008-08-21 | 2012-12-12 | キヤノン株式会社 | 情報処理装置およびその制御方法 |
US10015816B2 (en) | 2013-09-26 | 2018-07-03 | Kyocera Corporation | Network apparatus and user terminal |
JP6222701B2 (ja) * | 2014-03-24 | 2017-11-01 | 株式会社東芝 | 無線伝送システム |
JP6312496B2 (ja) * | 2014-03-31 | 2018-04-18 | パナソニック株式会社 | 無線端末、無線通信システムおよび無線通信方法 |
JP6540356B2 (ja) * | 2015-08-10 | 2019-07-10 | 富士通株式会社 | システム複製制御装置およびシステムの複製制御方法 |
JP6682862B2 (ja) * | 2016-01-13 | 2020-04-15 | セイコーエプソン株式会社 | 無線通信端末、無線通信システムおよび無線通信プログラム |
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EP1655895B1 (en) | 2017-07-26 |
EP1655895A4 (en) | 2010-06-23 |
JP2005094157A (ja) | 2005-04-07 |
JP3971359B2 (ja) | 2007-09-05 |
EP1655895A1 (en) | 2006-05-10 |
CN1849781A (zh) | 2006-10-18 |
WO2005027423B1 (ja) | 2005-06-30 |
US20070109981A1 (en) | 2007-05-17 |
US8023476B2 (en) | 2011-09-20 |
CN100593298C (zh) | 2010-03-03 |
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