Wireless communication system, mobile terminal device, and wireless communication method

Abstract

The wireless communication system enables a base station device and a mobile terminal device to carry out wireless communication, and comprises: an area setting unit configured to set a high-speed communication area in which the reception power strength of the mobile terminal device becomes equal to or higher than a prescribed value and data transmission can be carried out at a prescribed transmission rate or higher; a determination unit configured to determine, on the basis of moving path information of the mobile terminal device, whether transmission data transmitted by the mobile terminal device can be transmitted within the range of the high-speed communication area; and a data transmission unit configured to transmit the transmission data within the range of the high-speed communication area when the transmission data can be transmitted within the range of the high-speed communication area.

Description

[Technical Field]

[0001] The present invention relates to a wireless communication system. 、 The present invention relates to a mobile terminal device and a wireless communication method. [Background technology]

[0002] BACKGROUND ART In a wireless communication system in which a base station device and a mobile terminal device perform wireless communication, a technique for controlling the amount of traffic transmitted for each user is known (see, for example, Non-Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Non-Patent Document 1] "Part 3: And I Control Wireless LAN ~Communication Control for More Comfortable Use of Wireless LAN~", Net One Systems, [Retrieved March 18, 1992], Internet<URL:https: / / www.netone.co.jp / knowledge-center / blog-column / knowledge_takumi_059 / > Summary of the Invention [Problem to be solved by the invention]

[0004] Conventional technology has the problem that, for example, communication is carried out in the same way even in places where the distance between a base station device and a mobile terminal device is long and power consumption is high, resulting in inefficient power utilization of the base station device and the mobile terminal device.

[0005] An embodiment of the present invention has been made in consideration of the above-mentioned problems, and provides a wireless communication system that improves the power utilization efficiency of base station devices and mobile terminal devices while providing the communication quality required by mobile terminal devices. [Means for solving the problem]

[0006] In order to solve the above problem, a wireless communication system according to an embodiment of the present invention is a wireless communication system in which a base station device and a mobile terminal device perform wireless communication, and includes an area setting unit configured to set a high-speed communication area in which the received power strength of the mobile terminal device is equal to or greater than a predetermined value and data transmission is possible at a predetermined transmission rate or higher; a determination unit configured to determine whether transmission data transmitted by the mobile terminal device can be transmitted within the high-speed communication area based on movement route information of the mobile terminal device; and a data transmission unit configured to transmit the transmission data within the high-speed communication area when the transmission data can be transmitted within the high-speed communication area. a mobility control unit configured to slow down a moving speed of the mobile terminal device or stop the movement of the mobile terminal device for a predetermined time in the high-speed communication area when the transmission data cannot be transmitted within the high-speed communication area; It has. [Effects of the Invention]

[0007] According to an embodiment of the present invention, it is possible to provide a wireless communication system that improves the efficiency of power usage of a base station apparatus and a mobile terminal apparatus while providing the communication quality required by the mobile terminal apparatus. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a diagram illustrating an example of a system configuration of a wireless communication system according to an embodiment of the present invention. [Figure 2] 1 is a diagram illustrating an example of a functional configuration of a wireless communication system according to a first embodiment. [Figure 3] 4 is a flowchart illustrating an example of processing in the wireless communication system according to the first embodiment. [Figure 4] FIG. 10 is a diagram illustrating an example of a process for selecting a travel route according to the present embodiment. [Figure 5] FIG. 10 is a diagram illustrating an example of a functional configuration of a wireless communication system according to a second embodiment. [Figure 6] 10 is a flowchart illustrating an example of processing in a wireless communication system according to a second embodiment. [Figure 7] 2 is a diagram illustrating an example of the hardware configuration of a base station device and a mobile terminal device according to the present embodiment. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The embodiment described below is merely an example, and the embodiment to which the present invention is applied is not limited to the following embodiment.

[0010] <System configuration> 1 is a diagram showing an example of the system configuration of a wireless communication system according to this embodiment. The wireless communication system 1 is a system in which a base station device 10 and a mobile terminal device 20 perform wireless communication. The wireless communication system 1 may be any of various wireless communication methods, such as 5G (5th Generation), LTE (Long Term Evolution), and wireless LAN (Local Area Network).

[0011] The mobile terminal device 20 is a radio station capable of wireless communication with the base station device 10 within the communication area 11 of the base station device 10. The mobile terminal device 20 according to this embodiment is assumed to be, for example, a terminal device capable of controlling the movement of a robot, a vehicle, or the like.

[0012] The base station device 10 is a wireless base station capable of wireless communication with a mobile terminal device 20 located within a communication area 11 of the base station device 10 .

[0013] As shown in FIG. 1, as the mobile terminal device 20 moves away from the base station device 10, the transmission power of the base station device 10 and the mobile terminal device 20 increases, and the power consumption of the base station device 10 and the mobile terminal device 20 also increases.

[0014] On the other hand, as the mobile terminal device 20 approaches the base station device 10, the transmission power of the base station device 10 and the mobile terminal device 20 decreases, and the power consumption of the base station device 10 and the mobile terminal device 20 also decreases. Furthermore, as the mobile terminal device 20 approaches the base station device 10, the received power intensity increases, and the transmission rate becomes higher.

[0015] However, with conventional technology, communication is performed in the same way even in places where the distance between the base station device 10 and the mobile terminal device 20 is long and power consumption is high, which results in a problem of poor power utilization efficiency of the base station device 10 and the mobile terminal device 20.

[0016] Therefore, the wireless communication system 1 according to this embodiment has a function of setting a high-speed communication area 12 in which the received power intensity of the mobile terminal device 20 during wireless communication is equal to or greater than a predetermined value P and data transmission is possible at or greater than a predetermined transmission rate T. The wireless communication system 1 also has a function of controlling data transmission within the high-speed communication area 12 so as to transmit as much transmission data as possible.

[0017] For example, the wireless communication system 1 determines whether or not transmission data transmitted by the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12, based on information such as the movement route information of the mobile terminal device 20. Furthermore, if the transmission data can be transmitted within the range of the high-speed communication area 12, the wireless communication system 1 transmits the transmission data within the range of the high-speed communication area 12.

[0018] On the other hand, if the wireless communication system 1 cannot transmit the transmission data within the range of the high-speed communication area 12, it transmits as much of the transmission data as possible within the range of the high-speed communication area 12 and transmits the remaining transmission data outside the range of the high-speed communication area 12.

[0019] In addition, if the wireless communication system 1 is capable of changing the travel route (e.g., stay time, travel speed, or travel route, etc.) of the mobile terminal device 20, the wireless communication system 1 may change the travel route of the mobile terminal device 20 so that as much transmission data as possible can be transmitted within the high-speed communication area 12.

[0020] In addition, in the high-speed communication area 12, the distance between the base station device 10 and the mobile terminal device 20 is sufficiently short, so the base station device 10 and the mobile terminal device 20 can transmit transmission data at high speed with less power consumption.

[0021] As described above, the wireless communication system 1 according to this embodiment can improve the efficiency of power usage of the base station apparatus and the mobile terminal apparatus while providing the communication quality required by the mobile terminal apparatus.

[0022] <Functional configuration> FIG. 2 is a diagram illustrating an example of the functional configuration of the wireless communication system 1 according to this embodiment.

[0023] (Functional configuration of base station equipment) The base station device 10 has, for example, a computer configuration, and by executing a predetermined program on the computer, realizes an area setting unit 201, a notification unit 202, a data transmission unit 203, an information management unit 204, a storage unit 205, etc. Note that at least a part of the above functional configurations may be realized by hardware.

[0024] The area setting unit 201 executes an area setting process to set a high-speed communication area 12 where the received power intensity of the mobile terminal device 20 is equal to or greater than a predetermined value P and data transmission is possible at a predetermined transmission rate T or higher.

[0025] For example, the base station device 10 stores, in the storage unit 205 or the like, measurement data 212, which is the measurement results of the received power intensity measured by a measuring device at a plurality of measurement points within the communication area 11 of the base station device 10. Based on this measurement data 212, the area setting unit 201 sets a high-speed communication area 12 where the received power intensity of the mobile terminal device 20 is equal to or greater than a predetermined value P and where data transmission is possible at a predetermined transmission rate T or greater.

[0026] The notification unit 202 executes a notification process of notifying the mobile terminal device 20 of information on the high-speed communication area set by the area setting unit 201 (hereinafter referred to as area information 211). The area information 211 includes, for example, information indicating the position of the set high-speed communication area 12, information on a predetermined transmission rate T, and the like.

[0027] For example, if the mobile terminal device 20 is a robot or the like that moves along a predetermined path based on a digital map, the notification unit 202 may notify the mobile terminal device 20 of information indicating the position of the high-speed communication area 12 using coordinate information or the like on the digital map. Alternatively, the notification unit 202 may notify the mobile terminal device 20 of the latitude and longitude of the base station device 10, the radius of the high-speed communication area 12, or the like, as information indicating the position of the high-speed communication area 12.

[0028] Data transmission unit 203 executes data transmission processing to transmit data in cooperation with data transmission unit 223 of mobile terminal device 20. Data transmission units 203, 223 transmit data at a transmission rate equal to or greater than a predetermined transmission rate T within the range of high-speed communication area 12 set by area setting unit 201. Furthermore, if data transmission units 203, 223 are unable to transmit all of the transmission data requested by mobile terminal device 20 within the range of high-speed communication area 12, they transmit the remaining transmission data outside the range of high-speed communication area 12.

[0029] The information management unit 204 stores and manages, for example, movement route information 213, which is information about the movement route of the mobile terminal device 20, and the above-mentioned measurement data 212, etc. in the storage unit 205. For example, an administrator or the like who manages the wireless communication system 1 can register the measurement data 212, the movement route information 213, etc. in the base station device 10 by using a UI (User Interface) or a web API (Application Programming Interface) provided by the information management unit 204.

[0030] The information management unit 204 may acquire the travel route information 213 from the mobile terminal device 20 and store the acquired travel route information 213 in the storage unit 205, or the like.

[0031] The storage unit 205 is realized by, for example, a program executed by a processor included in the base station device 10, a storage device, a memory, and the like, and stores various information such as area information 211, measurement data 212, and travel route information 213.

[0032] (Functional configuration of mobile terminal device) The mobile terminal device 20 has, for example, a computer configuration, and by executing a predetermined program on the computer, realizes a receiving unit 221, a determining unit 222, a data transmitting unit 223, a mobility control unit 224, an information management unit 225, a storage unit 226, etc. Note that at least a part of the above functional configurations may be realized by hardware.

[0033] The receiving unit 221 executes a receiving process for receiving the area information 211 transmitted by the notifying unit 202 of the base station device 10 .

[0034] The determination unit 222 executes a determination process to determine whether or not the transmission data transmitted by the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12, based on the area information 211 received by the receiving unit 221 and the movement route information 214 indicating the movement route of the mobile terminal device 20.

[0035] For example, if the required value of transmission data transmitted by mobile terminal device 20 is D, the time required to transmit the transmission data at transmission rate T can be calculated as (required value D / transmission rate T). Furthermore, if the moving distance of mobile terminal device 20 within high-speed communication area 12 is d and the moving speed of mobile terminal device 20 within high-speed communication area 12 is s, the time it takes for mobile terminal device 20 to move within high-speed communication area 12 can be calculated as (moving distance d / moving speed s). For example, if the following (Equation 1) is satisfied, determination unit 222 determines that the transmission data transmitted by mobile terminal device 20 can be transmitted within the range of high-speed communication area 12. (Required value D / Transmission rate T) < (Travel distance d / Travel speed s)... (Equation 1)

[0036] The data transmission unit 223 cooperates with the data transmission unit 203 of the base station device 10 to execute the data transmission process for transmitting data as described above.

[0037] The movement control unit 224 executes a movement control process for moving the mobile terminal device 20 based on the movement route information 213 stored in the storage unit 205 etc. For example, the movement control unit 224 controls a running device, a walking device or the like provided in the mobile terminal device 20 to move the mobile terminal device 20.

[0038] Furthermore, the mobile control device 24 is capable of changing the travel route of the mobile terminal device 20, and changes the travel route of the mobile terminal device 20 when the transmission data transmitted by the mobile terminal device 20 cannot be transmitted within the range of the high-speed communication area 12. For example, the mobile control device 24 changes the travel route of the mobile terminal device 20 so that the time that the mobile terminal device 20 passes through the high-speed communication area 12 is longer.

[0039] The information management unit 225 stores and manages, for example, travel route information 213, which is information on the travel route of the mobile terminal device 20, in the storage unit 226. For example, a user who uses the mobile terminal device 20 or an administrator who manages the mobile terminal device 20 can register the travel route information 213, etc. in the mobile terminal device 20 by using a UI, a web API, or the like provided by the information management unit 225.

[0040] The storage unit 226 is realized by, for example, a program executed by a processor included in the mobile terminal device 20, a storage device, a memory, and the like, and stores various information such as the area information 211 and the travel route information 213.

[0041] <Processing flow> Next, a process flow of the wireless communication method according to the first embodiment will be described.

[0042] [Example 1] 3 is a flowchart illustrating an example of processing performed by the wireless communication system 1 according to the first embodiment. This processing illustrates an example of processing performed by the wireless communication system 1 according to the first embodiment described with reference to FIG.

[0043] In step S301, the area setting unit 201 of the base station device 10 sets a high-speed communication area 12 where the received power intensity is equal to or greater than a predetermined value P and where data transmission is possible at or greater than a predetermined transmission rate T. For example, based on the measurement data 212 stored in the storage unit 205, the area setting unit 201 sets the high-speed communication area 12 as an area where the received power intensity is equal to or greater than the predetermined value P.

[0044] In step S302, the notification unit 202 of the base station device 10 notifies the mobile terminal device 20 of information on the high-speed communication area 12 set by the area setting unit 201. For example, the notification unit 202 notifies the mobile terminal device 20 of area information 211 including information indicating the position of the high-speed communication area 12 set by the area setting unit 201, information on a predetermined transmission rate T, and the like.

[0045] In step S303, determination unit 222 of mobile terminal device 20 determines whether or not transmission data to be transmitted by mobile terminal device 20 can be transmitted within the range of high-speed communication area 12, based on the received information on area 12 and movement route information 213 in storage unit 226. For example, determination unit 222 determines whether or not transmission data to be transmitted by mobile terminal device 20 can be transmitted within the range of high-speed communication area 12, using the above-mentioned (Equation 1).

[0046] If the transmission data transmitted by the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12, the determination unit 222 shifts the process to step S304. On the other hand, if the transmission data transmitted by the mobile terminal device 20 cannot be transmitted within the range of the high-speed communication area 12, the determination unit 222 shifts the process to step S305.

[0047] In step S304, the data transmission unit 203 of the base station device 10 and the data transmission unit 223 of the mobile terminal device 20 transmit the transmission data within the range of the high-speed communication area 12. For example, when the mobile terminal device 20 is outside the range of the high-speed communication area 12, the data transmission units 203 and 223 suspend the transmission of the transmission data. Furthermore, when the mobile terminal device 20 is within the range of the high-speed communication area 120, the data transmission units 203 and 223 transmit the transmission data at a predetermined transmission rate T or higher.

[0048] On the other hand, when the process proceeds from step S303 to step S305, the movement control unit 224 of the mobile terminal device 20 determines whether or not it is possible to change the travel itinerary (for example, the stay time, the movement speed, or the movement route, etc.) of the mobile terminal device 20. For example, the movement control unit 224 may determine that the travel itinerary can be changed when a change in the travel itinerary of the mobile terminal device 20 is permitted and a delay in the arrival time at the destination is acceptable.

[0049] If the travel route of the mobile terminal device 20 can be changed, the travel control unit 224 shifts the process to step S306. On the other hand, if the travel route of the mobile terminal device 20 cannot be changed, the travel control unit 224 shifts the process to step S307.

[0050] When the process proceeds to step S306, the movement control unit 224 of the mobile terminal device 20 changes the movement process (for example, the stay time, movement speed, or movement route, etc.) of the mobile terminal device 20 so that the time that the mobile terminal device 20 passes through the high-speed communication area 12 becomes longer. As a specific example, the movement control unit 224 changes the movement process of the mobile terminal device 20 in accordance with the following priorities. Of the priorities listed below, Priority 1 is the highest priority, and Priority 4 is the lowest priority.

[0051] (Priority 1) When the mobile terminal device 20 can be stopped within the high-speed communication area 12, the mobility control unit 224 stops the mobile terminal device 20 for a predetermined time within the high-speed communication area 12. For example, the mobility control unit 224 stops the mobile terminal device 20 for a predetermined time within the high-speed communication area 12 so that the time that the mobile terminal device 20 stays in the high-speed communication area 12 is equal to or greater than (request value D / transmission rate T).

[0052] (Priority 2) When the movement speed of the mobile terminal device 20 can be changed, the movement control unit 224 adjusts the movement speed of the mobile terminal device 20 within the high-speed communication area 12. For example, the movement control unit 224 adjusts the movement speed of the mobile terminal device 20 within the high-speed communication area 12 so that the time that the mobile terminal device 20 stays in the high-speed communication area 12 is equal to or greater than (request value D / transmission rate T).

[0053] (Priority 3) When the movement route of the mobile terminal device 20 can be changed, the movement control unit 224 changes the movement route of the mobile terminal device 20 to a movement route that takes the longest time to pass through the high-speed communication area 12.

[0054] (Priority 4) When the movement route of the mobile terminal device 20 can be selected from multiple candidate movement routes, the movement control unit 224 selects the route among the candidate movement routes that has the smallest total distance (integral value) between the mobile terminal device 20 and the base station device 10.

[0055] 4 is a diagram illustrating the process of selecting a travel route according to this embodiment. For example, assume that the mobile terminal device 20 moves in the direction of the arrow 401 in FIG. 4 within the high-speed communication area 12. In this case, the mobility control unit 224 calculates the sum (integral value) of the distances 402 between the mobile terminal device 20 and the base station device 10. Furthermore, the mobility control unit 224 selects, from among the candidate travel routes, the route with the smallest sum (integral value) of the distances 402 between the mobile terminal device 20 and the base station device 10.

[0056] 3, the explanation of the flowchart will be continued. In step S307, the data transmission unit 223 of the mobile terminal device 20 calculates the amount of data C that can be transmitted while passing through the high-speed communication area, out of the required value D of transmission data of the mobile terminal device 20. The required value D indicates the amount of transmission data that the mobile terminal device 20 wants to transmit within the communication area 11 of the base station device 10.

[0057] In step S308, data transmitters 203 and 223 transmit data of a data amount C within the range of high-speed communication area 12, and transmit data of a data amount (DC) outside the range of high-speed communication area 12.

[0058] By the processing of Figure 3, the wireless communication system 1 transmits more data within the high-speed communication area 12 with low power consumption, thereby improving the power utilization efficiency of the base station device 10 and the mobile terminal device 20 while providing the communication quality required by the mobile terminal device 20.

[0059] [Example 2] In the first embodiment, the mobile terminal device 20 performs the determination process to determine whether the required value D of the transmission data of the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12. In the second embodiment, an example will be described in which the base station device 10 performs the determination process to determine whether the required value D of the transmission data of the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12.

[0060] <Functional configuration> Fig. 5 is a diagram illustrating an example of a functional configuration of a wireless communication system according to Example 2. Note that the basic functional configuration of the wireless communication system 1 according to Example 2 is similar to the functional configuration of the wireless communication system 1 according to Example 1 described in Fig. 2, and therefore detailed description of the similar functional configuration will be omitted here.

[0061] (Functional configuration of base station equipment) 5, the base station device 10 according to the second embodiment includes a receiving unit 501 and a determining unit 502 in addition to the functional configuration of the base station device 10 according to the first embodiment described in FIG. 2. The receiving unit 501 and the determining unit 502 are realized by, for example, a program executed by a computer included in the base station device 10.

[0062] The receiving unit 501 receives the request value D that the mobile terminal device 20 transmits to the base station device 10 .

[0063] The determination unit 502 determines whether or not the transmission data transmitted by the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12, based on the area information 211, the moving route information 214, and the request value D received by the receiving unit 501.

[0064] The notification unit 202 notifies the mobile terminal device 20 of the determination result made by the determination unit 502, the area information 211 of the high speed communication area 12, and the like.

[0065] The functional configuration of the base station device 10 according to the second embodiment other than the above may be the same as the functional configuration of the base station device 10 according to the first embodiment.

[0066] (Functional configuration of mobile terminal device) 5, the mobile terminal device 20 according to the second embodiment has a notification unit 511 instead of the determination unit 222 of the functional configuration of the mobile terminal device 20 according to the first embodiment described in FIG. 2. The notification unit 511 is realized by, for example, a program executed by a computer included in the mobile terminal device 20.

[0067] The notification unit 511 notifies the base station device 10 of the required value D of the transmission data transmitted by the mobile terminal device 20.

[0068] The receiving unit 221 according to the second embodiment receives the determination result by the determining unit 502, the area information 211 of the high-speed communication area 12, and the like, which are transmitted from the base station device 10 to the mobile terminal device 20.

[0069] The functional configuration of the mobile terminal device 20 according to the second embodiment other than the above may be the same as the functional configuration of the mobile terminal device 20 according to the first embodiment.

[0070] <Processing flow> Fig. 6 is a flowchart illustrating an example of processing in the wireless communication system according to the embodiment 2. Among the processing shown in Fig. 6, the processing in steps S301 and S304 to S308 is the same as the processing in the wireless communication system according to the embodiment 1 described with reference to Fig. 3, and therefore, description thereof will be omitted here.

[0071] In step S601, the notification unit 511 of the mobile terminal device 20 notifies the base station device 10 of a required value D of transmission data to be transmitted within the communication area 11 of the base station device 10.

[0072] In step S602, the determination unit 502 of the base station device 10 determines whether or not the transmission data transmitted by the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12, based on the received request value D, the area information 211, the movement route information 213, etc. For example, the determination unit 502 uses the above-mentioned (Equation 1) to determine whether or not the transmission data transmitted by the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12. Furthermore, the notification unit 202 of the base station device 10 notifies the mobile terminal device 20 of the determination result of the determination unit 502 and the area information 211, which is information on the high-speed communication area 12, etc.

[0073] In step S603, the mobile terminal device 20 branches the process depending on the determination result received from the base station device 10. If the determination result shows that the required value D of the transmission data transmitted by the mobile terminal device 20 can be transmitted within the range of the high-speed communication area 12, the mobile terminal device 20 shifts the process to step S304. On the other hand, if the determination result shows that the required value D of the transmission data transmitted by the mobile terminal device 20 cannot be transmitted within the range of the high-speed communication area 12, the mobile terminal device 20 shifts the process to step S305.

[0074] 6, the wireless communication system 1 according to the second embodiment can improve the efficiency of power usage of the base station device 10 and the mobile terminal device 20 while providing the communication quality required by the mobile terminal device 20, similar to the wireless communication system 1 according to the first embodiment. In this manner, the determination process of determining whether the required value D of transmission data of the mobile terminal device 20 can be transmitted within the high-speed communication area 12 may be performed by the base station device 10 or the mobile terminal device 20.

[0075] In the above description, an example in which there is one mobile terminal device 20 has been described, but the number of mobile terminal devices 20 that perform wireless communication with the base station device 10 may be two or more.

[0076] Furthermore, the base station device 10 may have a function to control the number of mobile terminal devices 20 in the high-speed communication area 12 when the number of mobile terminal devices 20 communicating wirelessly with the base station device 10 is large and a predetermined transmission rate T cannot be obtained in the high-speed communication area 12. For example, the base station device 10 may instruct the mobile terminal devices 20 to change their travel journey or travel route so that the number of mobile terminal devices 20 in the high-speed communication area 12 is equal to or less than a predetermined number.

[0077] <Hardware configuration example> Fig. 7 is a diagram showing an example of the hardware configuration of a base station device and a mobile terminal device according to this embodiment. The base station device 10 and the mobile terminal device 20 each have the hardware configuration of a computer 700 as shown in Fig. 7. In the example of Fig. 7, the computer 700 includes a processor 701, a memory 702, a storage device 703, a communication device 704, an input device 705, an output device 706, a bus B, etc.

[0078] The processor 701 is, for example, an arithmetic unit such as a CPU (Central Processing Unit) that executes predetermined programs to realize various functions. The memory 702 is a storage medium readable by the computer 700, and includes, for example, a RAM (Random Access Memory) and a ROM (Read Only Memory). The storage device 703 is a computer-readable storage medium, and may include, for example, a HDD (Hard Disk Drive), an SSD (Solid State Drive), various optical disks, and magneto-optical disks.

[0079] The communication device 704 includes one or more pieces of hardware (transmitting / receiving devices) for communicating with other devices via a wireless or wired network, and may include, for example, an antenna, a radio circuit, and a communication processor that executes baseband processing and communication control processing.

[0080] The input device 705 is an input device (for example, a keyboard, mouse, microphone, switch, button, sensor, etc.) that receives input from the outside. The output device 706 is an output device (for example, a display, speaker, LED lamp, etc.) that outputs to the outside. The input device 705 and the output device 706 may be integrated into one device (for example, an input / output device such as a touch panel display).

[0081] The bus B is commonly connected to the above components and transmits, for example, address signals, data signals, and various control signals. The processor 701 is not limited to a CPU, and may be, for example, a DSP (Digital Signal Processor), a PLD (Programmable Logic Device), or an FPGA (Field Programmable Gate Array).

[0082] (supplement) In this embodiment, the base station device 10 and the mobile terminal device 20 are not limited to being realized by dedicated devices, but may be realized by a general-purpose computer. In this case, a program for realizing this function may be recorded on a computer-readable recording medium, and the program recorded on this recording medium may be read into a computer system and executed. Note that the term "computer system" here includes hardware such as an OS and peripheral devices.

[0083] Additionally, "computer-readable recording media" includes various storage devices such as portable media such as flexible disks, optical magnetic disks, ROMs, and CD-ROMs, as well as hard disks built into computer systems. Furthermore, "computer-readable recording media" may also include devices that dynamically store programs for a short period of time, such as communication lines when transmitting programs via networks such as the Internet or communication lines such as telephone lines, and devices that store programs for a certain period of time, such as volatile memory within computer systems that serve as servers or clients in such cases.

[0084] Furthermore, the above program may be one that realizes part of the above-mentioned functions, or may be one that can realize the above-mentioned functions in combination with a program already recorded in a computer system, or may be one that is realized using hardware such as a PLD (Programmable Logic Device) or FPGA (Field Programmable Gate Array).

[0085] <Effects of the embodiment> According to the wireless communication system 1 of this embodiment, it is possible to improve the efficiency of power usage of the base station device 10 and the mobile terminal device 20 while providing the communication quality required by the mobile terminal device 20.

[0086] <Summary of the embodiment> This specification discloses at least the following wireless communication system, base station device, mobile terminal device, and wireless communication method. (Section 1) A wireless communication system in which a base station device and a mobile terminal device perform wireless communication, an area setting unit configured to set a high-speed communication area where the received power strength of the mobile terminal device is equal to or greater than a predetermined value and data transmission is possible at a predetermined transmission rate or higher; a determination unit configured to determine whether transmission data transmitted by the mobile terminal device can be transmitted within the high-speed communication area based on movement route information of the mobile terminal device; a data transmission unit configured to transmit the transmission data within the high-speed communication area when the transmission data can be transmitted within the high-speed communication area; A wireless communication system comprising: (Section 2) When the travel route of the mobile terminal device can be changed and the transmission data cannot be transmitted within the range of the high-speed communication area, a movement control unit configured to change a movement path of the mobile terminal device so that the time spent by the mobile terminal device passing through the high-speed communication area is longer; 2. The wireless communication system according to claim 1. (Section 3) The wireless communication system described in paragraph 2, wherein the mobile control unit slows down the movement speed of the mobile terminal device in the high-speed communication area or stops the movement of the mobile terminal device for a predetermined period of time when the transmission data cannot be transmitted within the high-speed communication area. (Section 4) The wireless communication system described in paragraph 2, wherein, when the transmission data cannot be transmitted within the high-speed communication area, the mobile control unit selects the route in the high-speed communication area that takes the longest for the mobile terminal device to pass through the high-speed communication area, or the route that has the smallest integral value of the distance between the mobile terminal device and the base station device. (Section 5) If the transmission data cannot be transmitted within the high-speed communication area, the data transmission unit transmits the transmission data at or above the predetermined transmission rate within the high-speed communication area, and transmits the remaining transmission data outside the high-speed communication area. 2. The communication system of claim 1. (Section 6) A base station device that performs wireless communication with a mobile terminal device, an area setting unit configured to set a high-speed communication area where the received power strength of the mobile terminal device is equal to or greater than a predetermined value and data transmission is possible at a predetermined transmission rate or higher; a determination unit configured to determine whether transmission data transmitted by the mobile terminal device can be transmitted within the high-speed communication area based on movement route information of the mobile terminal device; a data transmission unit configured to transmit the transmission data within the high-speed communication area when the transmission data can be transmitted within the high-speed communication area; A base station device having: (Section 7) A mobile terminal device that performs wireless communication with a base station device, a receiving unit that receives from the base station information on a high-speed communication area where the received power strength of the mobile terminal device is equal to or greater than a predetermined value and data transmission is possible at a predetermined transmission rate or higher; a determination unit configured to determine whether transmission data transmitted by the mobile terminal device can be transmitted within the high-speed communication area based on movement route information of the mobile terminal device; a data transmission unit configured to transmit the transmission data within the high-speed communication area when the transmission data can be transmitted within the high-speed communication area; A mobile terminal device comprising: (Section 8) A wireless communication system in which a base station device and a mobile terminal device perform wireless communication, A process of setting a high-speed communication area in which data transmission is possible at a predetermined transmission rate or higher when the received power strength of the mobile terminal device becomes a predetermined value or higher; A process of determining whether transmission data transmitted by the mobile terminal device can be transmitted within the range of the high-speed communication area based on movement route information of the mobile terminal device; If the transmission data can be transmitted within the high-speed communication area, transmitting the transmission data within the high-speed communication area; A wireless communication method for performing the above.

[0087] Although the present embodiment has been described above, the present invention is not limited to such a specific embodiment, and various modifications and changes are possible within the scope of the gist of the present invention described in the claims. [Explanation of symbols]

[0088] 1. Wireless communication systems 10 Base station equipment 12 High-speed communication area 20 Mobile terminal device 201 Area setting section 203, 223 Data Transmission Department 213 Travel Route Information 221 Receiving unit 222, 502 Judgment section 224 Movement control unit

Claims

1. A wireless communication system in which a base station device and a mobile terminal device perform wireless communication, an area setting unit configured to set a high-speed communication area where the received power strength of the mobile terminal device is equal to or greater than a predetermined value and data transmission is possible at a predetermined transmission rate or higher; a determination unit configured to determine whether transmission data transmitted by the mobile terminal device can be transmitted within the high-speed communication area based on movement route information of the mobile terminal device; a data transmission unit configured to transmit the transmission data within the high-speed communication area when the transmission data can be transmitted within the high-speed communication area; a mobility control unit configured to slow down a moving speed of the mobile terminal device or stop the movement of the mobile terminal device for a predetermined time in the high-speed communication area when the transmission data cannot be transmitted within the high-speed communication area; A wireless communication system comprising:

2. If the transmission data cannot be transmitted within the high-speed communication area, the data transmission unit transmits the transmission data at or above the predetermined transmission rate within the high-speed communication area, and transmits the remaining transmission data outside the high-speed communication area.

10. The wireless communication system of claim 1.

3. A mobile terminal device that performs wireless communication with a base station device, a receiving unit that receives from the base station information on a high-speed communication area where the received power strength of the mobile terminal device is equal to or greater than a predetermined value and data transmission is possible at a predetermined transmission rate or higher; a determination unit configured to determine whether transmission data transmitted by the mobile terminal device can be transmitted within the high-speed communication area based on movement route information of the mobile terminal device; a data transmission unit configured to transmit the transmission data within the high-speed communication area when the transmission data can be transmitted within the high-speed communication area; a mobility control unit configured to slow down a moving speed of the mobile terminal device or stop the movement of the mobile terminal device for a predetermined time in the high-speed communication area when the transmission data cannot be transmitted within the high-speed communication area; A mobile terminal device comprising:

4. A wireless communication system in which a base station device and a mobile terminal device perform wireless communication, an area setting process for setting a high-speed communication area in which the received power strength of the mobile terminal device is equal to or greater than a predetermined value and data transmission is possible at a predetermined transmission rate or higher; a determination process for determining whether transmission data transmitted by the mobile terminal device can be transmitted within the range of the high-speed communication area based on movement route information of the mobile terminal device; a data transmission process for transmitting the transmission data within the high-speed communication area when the transmission data can be transmitted within the high-speed communication area; a movement control process for slowing down the movement speed of the mobile terminal device or stopping the movement of the mobile terminal device for a predetermined time in the high-speed communication area when the transmission data cannot be transmitted within the high-speed communication area; A wireless communication method for performing the above.

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