WO2012137908A1 - 無線通信装置、通信方法およびプログラム - Google Patents
無線通信装置、通信方法およびプログラム Download PDFInfo
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- WO2012137908A1 WO2012137908A1 PCT/JP2012/059481 JP2012059481W WO2012137908A1 WO 2012137908 A1 WO2012137908 A1 WO 2012137908A1 JP 2012059481 W JP2012059481 W JP 2012059481W WO 2012137908 A1 WO2012137908 A1 WO 2012137908A1
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- 238000004891 communication Methods 0.000 title claims abstract description 158
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- 230000006870 function Effects 0.000 description 22
- 238000012545 processing Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 9
- 230000005684 electric field Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0069—Allocation based on distance or geographical location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Definitions
- the present invention is based on the priority claim of Japanese patent application: Japanese Patent Application No. 2011-085228 (filed on Apr. 7, 2011), the entire contents of which are incorporated herein by reference. Shall.
- the present invention relates to a wireless communication device, a communication method, and a program, and more particularly, to a wireless communication device, a communication method, and a program that provide a service as a wireless access point.
- a device known as a mobile router that can be easily carried around and use a high-speed mobile broadband line is known for high-performance portable terminals called tablet personal computers and smartphones.
- mobile WiMAX routers and Wi-Fi 3G routers that support 3G lines have been developed to provide WiMAX connection environments that are expanding the area to user terminals compatible with the most popular wireless LAN (Local-Area Network). It attracts attention.
- mobile phone terminals having a function called tethering equivalent to the mobile 3G router have been put on the market.
- Patent documents include the following.
- Patent Document 1 proposes a function that alerts the user when there is a possibility of using a wireless LAN under conditions that may conflict with the Radio Law. Specifically, the information processing apparatus (wireless LAN slave device) of Patent Document 1 displays a warning message when IEEE802.11a is selected in the ad hoc mode, and operates to encourage the user to use indoors. In the infrastructure mode, the information processing apparatus (wireless LAN slave unit) in the same document displays a warning message when an indoor dedicated network is selected as the connection destination network, and reconnects the network when not indoors. Operates to prompt selection.
- Patent Document 2 has a function of automatically determining whether or not the device is indoors by radiating a detection transmission signal and receiving the reflected wave, and selecting a communication frequency band.
- a wireless communication device wireless LAN slave device
- Patent Documents 1 and 2 the use of a radio wave law violation is suppressed by selecting a frequency and a connection destination on the device (user terminal) side using the wireless LAN.
- the mobile router described at the beginning can be used in various places. For example, it can be used to provide services that violate the Radio Law by being taken indoors to outdoors. There is a point.
- the mobile router supports multiple frequency bands and wireless communication methods, the one with less radio interference, one with high transmission speed, one with low power consumption and high security is selected from these. There is also a request to use.
- the present invention provides a wireless communication device, a communication method, and a program having a function of selecting a wireless communication method that employs a frequency band that conforms to position information from different frequency bands to form a wireless service area. It is in.
- the first wireless communication unit connected to the external network, the first frequency band different from each other, and the second frequency band are used, and the external network
- a selection unit that selects any of the wireless communication devices.
- the first wireless communication unit connected to the external network is connected to the external network using either the first frequency band or the second frequency band which are different from each other.
- a wireless communication device comprising: a second wireless communication unit that forms a possible service area; and acquiring the location information of the device, the first frequency band based on the location information, And selecting one of the two frequency bands and connecting a user terminal to the external network.
- the method is tied to a specific machine, a wireless communication device that functions as a wireless access point.
- the first wireless communication unit connected to the external network is connected to the external network using either the first frequency band or the second frequency band which are different from each other.
- a second wireless communication unit that forms a possible service area, a computer mounted in a wireless communication device comprising: a location information of the device itself; and the first information based on the location information.
- This program can be recorded on a computer-readable (non-transient) storage medium. That is, the present invention can be embodied as a computer program product.
- connection service it is possible to provide a connection service to an external network by selecting a wireless communication method that employs a frequency band in accordance with position information from different frequency bands.
- the present invention uses a first wireless communication unit 11 connected to an external network and any one of a first frequency band and a second frequency band that are different from each other.
- a second wireless communication unit 12 that forms a service area connectable to the external network, a location information acquisition unit 14 that acquires location information of the device itself, and the first frequency band based on the location information.
- a selection unit 15 that selects either the second frequency band or the second frequency band.
- the wireless communication device when the position of the own device is highly likely to be used outdoors, the wireless communication device is permitted to be used outdoors in the first frequency band and the second frequency band. Select a wireless communication method using the specified frequency band. On the other hand, if both the first frequency band and the second frequency band can be used, it is desirable to select a high transmission rate, a low power consumption, or a high security.
- FIG. 2 is a diagram showing the overall configuration of the first embodiment of the present invention. Referring to FIG. 2, a configuration in which a small base station 120 is installed in a house 125 in a cell 111 configured by the radio base station 110 is shown.
- the wireless communication device 100 is a device that configures a wireless LAN service area 101 and provides a service as a wireless LAN access point to a user terminal 130 located in the service area 101.
- the radio communication device 100 connects the user terminal 130 to an external network via the radio base station 110.
- the radio communication device 100 can also connect the user terminal 130 to an external network via the small base station 120.
- a small base station is a cell having a smaller area than a cell 111 (also referred to as a “macro cell”) configured by the radio base station 110 (“femto cell”, “pico cell”, etc. depending on the size of the area). It is a base station that constitutes.
- a wireless communication device 100 in addition to a dedicated device such as a mobile router, a mobile phone having a mobile router function or a tethering function, various personal computers such as a smartphone, a game machine, a tablet type, various information appliances, etc. Can be used.
- User terminal 130 is a terminal having a function of connecting to an external network as a wireless LAN slave unit.
- an external network for example, mobile phones, smartphones, game machines, tablet-type personal computers, various information home appliances, and the like can be given.
- FIG. 3 is a block diagram showing a detailed configuration of the wireless communication apparatus 100 configured by a mobile terminal having a tethering function. Referring to FIG. 3, a configuration including an input unit 21, an output unit 22, a storage unit 23, a data processing unit 24, a wireless communication unit 25, and a wireless LAN communication unit 26 is shown.
- the input unit 21 includes a keyboard for receiving various operations from the user, a pointing device, a microphone for inputting the user's voice, and the like. Note that when the wireless communication device 100 is a dedicated device such as a mobile router, various settings can be performed from the user terminal 130 and the input unit 21 has a very simple configuration such as a power button and a reset button. be able to.
- the output unit 22 includes a display device such as a liquid crystal display, a receiver (voice output device) that outputs the voice of the other party.
- a display device such as a liquid crystal display
- a receiver voice output device
- the output unit 22 is a simple liquid crystal display device or LED (for displaying a connection state with an external network, a wireless LAN radio wave state, a power state, etc. (Light Emitting Diode) can also be used.
- the storage unit 23 includes an EEPROM (Electrically Erasable Programmable ROM) that stores a computer program and data for causing the data processing unit 24 to operate as a position information acquisition unit 241 and a selection unit 242, which will be described later.
- EEPROM Electrically Erasable Programmable ROM
- the wireless communication unit 25 is connected to the wireless base station 110 or the small base station 120 via an antenna, and is used during a voice call or data communication via an external network (corresponding to the first wireless communication unit).
- the radio base station 110 is a base station installed by a mobile communication network operator, and the small base station 120 is installed indoors with permission from the mobile communication network operator.
- Each base station can be identified by a base station ID or the like.
- the wireless base station 110 and the small base station 120 may be mobile WiMAX (Worldwide Interoperability for Microwave Access) base stations standardized by IEEE 802.16e-2005 or the like.
- the wireless LAN communication unit 26 is connected to the user terminal 130 located in the service area (101 in FIG. 2) via a wireless LAN antenna (corresponding to the second wireless communication unit).
- the wireless LAN communication unit 26 has (1) IEEE802.11a or IEEE802.11n (both frequency band 5 GHz) and (2) IEEE802.11b or IEEE802.11g (both frequency band 2.4 GHz) as wireless communication systems. It can be switched to either (1) or (2).
- IEEE802.11a or IEEE802.11n using a frequency band of 5 GHz is a wireless communication system using a frequency band prohibited for outdoor use (IEEE802.11n is 2 .4 GHz can also be used.)
- IEEE802.11n is 2 .4 GHz can also be used.
- These frequency bands are only examples based on the current Japanese laws and regulations, and can be changed in the future by law revisions. It goes without saying that the choice of method should be made.
- the data processing unit 24 uses the location information acquisition unit 241 that acquires the base station information received from the wireless communication unit 25 as the location information of the device, and whether the device is indoors based on the acquired base station information. And a selection unit 242 that performs control for switching the wireless communication method used in the wireless LAN communication unit 26.
- each unit (processing unit) in the data processing unit 24 of the wireless communication apparatus 100 illustrated in FIG. 3 is a computer that causes the computer constituting the data processing unit 24 to execute the above-described processes using the hardware. It can be realized by a program.
- FIG. 4 is a flowchart showing the operation of the wireless communication apparatus 100 of the present embodiment.
- the position information acquisition unit 241 of the data processing unit 24 of the wireless communication device 100 causes the connectable wireless base station 110 and the small base station 120 (hereinafter, particularly, When it is not necessary to distinguish between them, both are combined and expressed as “base station” for convenience (step S101; acquisition of position information).
- the position information acquisition unit 241 detects the wireless base station 110 as a connectable base station.
- the selection unit 242 of the data processing unit 24 determines whether or not the small base station 120 is included in the base stations detected to be connectable (step S102: “indoor”). In the case of FIG. 2, since the base station detected as connectable is the radio base station 110, it is determined that it is outdoors ("No” in step S102), and a radio communication system using the outdoor frequency band (above (2) IEEE 802). .11b or IEEE802.11g) is selected to start a service (providing a tethering function) as a wireless LAN access point (step S104).
- the position information acquisition unit 241 detects two base stations, the wireless base station 110 and the small base station 120 as connectable base stations. Will do.
- step S102 since the small base station 120 is included in the base stations detected to be connectable in step S102, it is determined to be indoor (“Yes” in step S102), and the wireless communication method using the indoor frequency band (the above (1 ) IEEE802.11a or IEEE802.11n) is selected and a service (providing a tethering function) as a wireless LAN access point is started (step S103).
- the indoor frequency band the above (1 ) IEEE802.11a or IEEE802.11n
- a service providing a tethering function
- a wireless communication method complying with laws and regulations is selected and a service as a wireless LAN access point (providing a tethering function) is provided without the user of the user terminal being aware of it. It becomes possible.
- the switching of the wireless communication method is to change to a frequency band with less radio interference indoors at the same time.
- Whether IEEE 802.11a or IEEE 802.11n is adopted or whether IEEE 802.11b or IEEE 802.11g is adopted may be determined in advance according to user settings or the like.
- the small base station 120 ⁇ / b> A configures a cell 122 having an area exceeding the range of the house 125.
- the wireless communication device 100A is outside the house even if it is in the cell 122 (see FIG. 10).
- the present embodiment even when the cell of the small base station 120A is wide, it can be precisely determined whether or not it is indoors.
- the basic configuration is the same as that of the first embodiment, differences will be mainly described.
- FIG. 6 there is shown a configuration in which a small base station 120 ⁇ / b> A is installed in a house 125 in a cell 111 constituted by the radio base station 110.
- the small base station 120A constitutes a wide cell 122 that covers not only the inside of the house 125 but also the surrounding area.
- a broken line 121A in the cell indicates a range where the electric field strength is A or more.
- FIG. 7 is a block diagram showing a detailed configuration of the wireless communication device 100A configured by a mobile phone terminal having a tethering function.
- the basic configuration of a wireless communication device 100A including an input unit 21, an output unit 22, a storage unit 23A, a data processing unit 24A, a wireless communication unit 25, and a wireless LAN communication unit 26 is the first embodiment. It is equivalent to the wireless communication device 100 of FIG.
- the storage unit 23A of the wireless communication device 100A further includes a setting storage unit 231 that stores constraint information for determining whether or not to select a wireless communication method using an indoor frequency band for a small base station.
- FIG. 8 is an example of a table that defines the correspondence between small base stations and constraint information. For example, in the case of the small base station 120A of FIG. 8, a wireless communication scheme using an indoor frequency band is selected on the condition that the electric field strength estimated to be located indoors is A or more.
- the data processing unit 24A searches for the restriction information of the corresponding small base station from the setting storage unit 231 using the base station ID as a key. Then, a setting change unit 244 for updating the contents of the setting storage unit 231 is added. Further, the selection unit 242A of the data processing unit 24A refers to the restriction information set in the setting storage unit 231 in addition to simply detecting the small base station, and the wireless communication method used in the wireless LAN communication unit 26 This is different from the first embodiment in that control for switching is performed.
- each unit (processing unit) in the data processing unit 24A of the wireless communication apparatus 100A illustrated in FIG. 7 is also a computer that causes the computer constituting the data processing unit 24A to execute the above-described processes using the hardware. It can be realized by a program.
- FIG. 9 is a flowchart showing the operation of the wireless communication device 100A of this embodiment.
- the location information acquisition unit 241 of the data processing unit 24 of the wireless communication device 100A detects a connectable base station (step S201; location information). Acquisition).
- the location information acquisition unit 241 detects the wireless base station 110 as a connectable base station.
- the selection unit 242 of the data processing unit 24A determines whether or not the small base station 120A is included in the base stations detected as connectable (step S202; “indoor”). In the case of FIG. 6, since the base station detected as connectable is the radio base station 110, it is determined to be outdoors (“No” in step S ⁇ b> 202), and a radio communication method using the outdoor frequency band (above (2) IEEE802. 11b or IEEE802.11g) is selected and a service (providing a tethering function) as a wireless LAN access point is started (step S221).
- the position information acquisition unit 241 detects two base stations, the wireless base station 110 and the small base station 120A, as connectable base stations. Will do.
- step S203 since the small base station 120A is included in the base station detected as connectable in step S202, it is determined to be indoor (“Yes” in step S202). Then, the search unit 243 of the wireless communication device 100A searches the setting storage unit 231 for the constraint information of the searched small base station 120A (step S203).
- the selection unit 242A of the wireless communication device 100A refers to the restriction information (step S211), It is confirmed whether or not the condition is satisfied (step S212).
- step S212 when the constraint information of the small base station 120A is A (electric field strength A or higher), the wireless communication device 100A is outside the range 121A where the electric field strength is A or higher in the positional relationship of FIG. Since it is located, it is determined in step S212 that the condition is not satisfied ("No" in step S212). Therefore, in the case of FIG. 10 as well, a wireless communication method using the outdoor frequency band ((2) IEEE802.11b or IEEE802.11g) is selected and a service as a wireless LAN access point (providing a tethering function) is started. (Step S221).
- the wireless communication device 100A moves and reaches the position shown in FIG. 11, the small base station and its constraint information A are detected as in FIG. At the position shown in FIG. 11, the wireless communication device 100A is determined to satisfy the condition in Step S212 because the electric field strength is located within the range 121A of A or more (“Yes” in Step S212). .
- the wireless communication system (the above (1) IEEE802.11a or IEEE802.11n) using the indoor frequency band is selected and a service as a wireless LAN access point (providing a tethering function) is started. (Step S206).
- the position information acquisition unit 241 detects the radio base station 110A and the small base station 160A as connectable base stations. In this case, since the small base station 160A is included in the detection result, the setting storage unit 231 is searched (step S203).
- step S204 since there is no entry for the small base station 160A in the table of FIG. 8, it is determined in step S204 that there is no base station information (“No” in step S204). In this case, the setting change unit 244 of the data processing unit 24A registers the entry of the newly detected small base station 160A in the setting storage unit 231 (step S205).
- FIG. 13 is a diagram showing a state in which an entry for an unknown small base station 160A is added to the table of FIG. In this way, by registering the information of the unknown base station in the setting storage unit 231, it is determined whether or not the connection is possible with reference to the restriction information from the next time.
- the restriction information is “none”, but the cell 161 configured by the small base station 160A is the house. If it is greater than 125, the constraint information may be determined based on the electric field strength or the like, similar to the small base station 120A.
- the restriction information set in the detected base station is referred to. Can be selected.
- the wireless communication devices 100 and 100A have been described as devices that provide services as wireless LAN access points using a wireless LAN.
- the present invention is not limited to this. .
- FIG. 14 is a block diagram showing the configuration of the wireless communication apparatus according to the third embodiment of the present invention.
- a BT communication unit 27 corresponding to PAN (Personal Area Networking Profile) of BlueTooth (registered trademark) is added.
- the BT communication unit 27 when it is determined that the position of its own device is indoor or outdoor, it operates as a BlueTooth (registered trademark) access point instead of a wireless LAN access point. It becomes possible to make it.
- the selection of the frequency band (wireless communication system) based on the position information is performed at that time, the user can use the service area formed by the wireless communication apparatus according to the present invention with peace of mind. it can.
- whether or not to use BlueTooth (registered trademark) depends on the distance between the wireless communication device and the user terminal according to the present invention, the battery performance (continuous use time) of the wireless communication device, or the user considering these It may be determined on the basis of the setting or the like.
- the wireless communication apparatus 100 can be provided with wired communication means for connecting to an external network with a wired connection such as a LAN adapter.
- a wired connection such as a LAN adapter.
- the selection unit 242 of the wireless communication apparatus 100 can suppress radio wave interference by selecting a wireless communication method using the indoor frequency band.
- the user terminal 130 has been described as being connected to an external network via a single wireless communication device. However, as shown in FIG. A configuration in which the base station 110 or the small base station 120 is connected via more than one wireless communication device can also be employed.
- each wireless communication device selects a wireless communication method according to the position of the own device. For example, since the wireless communication device 100B in FIG. 15 detects only the wireless base station 110, the wireless communication device 100B determines that the wireless communication device 100B is outdoors and selects a wireless communication method using an outdoor frequency band. On the other hand, in order to detect the small base station 120, the wireless communication device 100 determines that the wireless communication device 100 is indoors, and selects a wireless communication method using the indoor frequency band.
- the position information acquisition unit 241 has been described as using base station information as position information, but a configuration using other position information can also be employed.
- the position information acquisition unit 241 may be configured by GPS (Global Positioning System) data acquisition means, and GPS data may be used as the position information.
- the selection unit 242 can determine whether the position of the wireless communication device 100 is an area registered in advance as indoors (for example, the range of the house 125 in FIG. 2).
- the position information acquisition unit 241 employs a configuration that determines whether or not the device is indoors by radiating a detection transmission signal as described in Patent Document 2 and receiving the reflected wave. It is also possible. Within the scope of the entire disclosure (including claims) of the present invention, the embodiments and examples can be changed and adjusted based on the basic technical concept. Further, various combinations or selections of various disclosed elements (including each element of each claim, each element of each embodiment, each element of each drawing, etc.) are possible within the scope of the claims of the present invention. It is. That is, the present invention of course includes various variations and modifications that could be made by those skilled in the art according to the entire disclosure including the claims and the technical idea.
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Abstract
Description
本発明は、日本国特許出願:特願2011-085228号(2011年 4月 7日出願)の優先権主張に基づくものであり、同出願の全記載内容は引用をもって本書に組み込み記載されているものとする。
本発明は、無線通信装置、通信方法およびプログラムに関し、特に、無線アクセスポイントとしてサービスを提供する無線通信装置、通信方法およびプログラムに関する。
以下の分析は、本発明によって与えられたものである。特許文献1、2では、無線LANを使う機器(ユーザ端末)側で、周波数や接続先を選択させることにより、電波法違反となる利用を抑止している。
続いて、本発明の第1の実施形態について図面を参照して詳細に説明する。図2は、本発明の第1の実施形態の全体構成を表した図である。図2を参照すると、無線基地局110によって構成されるセル111内の家屋125に、小型基地局120が設置された構成が示されている。
続いて、本発明の第2の実施形態について図面を参照して詳細に説明する。図6に示すように、小型基地局120Aが家屋125の範囲を超える広さを持つセル122を構成することが考えられる。この場合、無線通信装置100Aがセル122内にあっても家屋の外であることが考えられる(図10参照)。本実施形態は、小型基地局120Aのセルが広い場合にも、屋内であるか否かを精緻に判断できるようにしたものである。以下、基本的な構成は第1の実施形態と共通するので、相違点を中心に説明する。
上記第1、第2の実施形態では、無線通信装置100、100Aは、無線LANを用いて無線LANアクセスポイントとしてのサービスを提供する機器であるものとして説明したが、本発明はこれに限らない。
上記第1~第3の実施形態では、ユーザ端末130が、1台の無線通信装置を介して、外部ネットワークに接続するものとして説明したが、図15に示すように、ユーザ端末130が、2台以上の無線通信装置を介して基地局110または小型基地局120接続する構成も採用可能である。
本発明の全開示(請求の範囲を含む)の枠内において、さらにその基本的技術思想に基づいて、実施形態ないし実施例の変更・調整が可能である。また、本発明の請求の範囲の枠内において種々の開示要素(各請求項の各要素、各実施例の各要素、各図面の各要素等を含む)の多様な組み合わせ、ないし、選択が可能である。すなわち、本発明は、請求の範囲を含む全開示、技術的思想にしたがって当業者であればなし得るであろう各種変形、修正を含むことは勿論である。
12 第2無線通信部
14 位置情報取得部
15 選択部
21 入力部
22 出力部
23、23A 記憶部
24、24A データ処理部
25 無線通信部
26 無線LAN通信部
27 BT通信部
100、100A、100B 無線通信装置
101 サービスエリア
110、110A、110B 無線基地局
111、111A、121、122、161 セル
120、120A、160A 小型基地局
121A 電界強度A以上の範囲
125 家屋
130 ユーザ端末
231 設定記憶部
241 位置情報取得部
242、242A 選択部
243 検索部
244 設定変更部
Claims (10)
- 外部ネットワークと接続する第1の無線通信部と、
それぞれ異なる第1の周波数帯と、第2の周波数帯とのいずれかを用いて、前記外部ネットワークと接続可能なサービスエリアを形成する第2の無線通信部と、
自装置の位置情報を取得する位置情報取得部と、
前記位置情報に基づいて、前記第1の周波数帯と、第2の周波数帯とのいずれかを選択する選択部と、を備える無線通信装置。 - 前記選択部は、前記位置情報として、前記第1の無線通信部が接続する基地局の情報を用いて、前記周波数帯を選択する請求項1の無線通信装置。
- 前記選択部は、前記基地局が屋内に設置された基地局であることを示す場合、屋内用の周波数帯を選択する請求項2の無線通信装置。
- 前記屋内に設置された基地局について、前記屋内用の周波数帯を選択するための制約情報を記憶する設定記憶部を備え、
前記選択部は、前記制約情報を参照して、前記周波数帯を選択する請求項2または3の無線通信装置。 - さらに、前記第1の無線通信部が接続する基地局が、屋内に設置された未知の基地局である場合、前記設定記憶部に前記基地局を登録する設定変更部を備える請求項4の無線通信装置。
- さらに、有線で外部ネットワークと接続する有線通信部を備え、
有線で外部ネットワークと接続している場合、前記第2の無線通信部は、屋内用の周波数帯を用いて、前記外部ネットワークと接続可能なサービスエリアを形成する請求項1から5いずれか一の無線通信装置。 - 前記第2の無線通信部は、前記選択部の選択結果に従って、IEEE802.11a、IEEE802.11b、IEEE802.11g、IEEE802.11n、Bluetoothのうち、前記第1、第2の周波数帯に属する2つの無線通信方式を切り替える請求項1から6いずれか一の無線通信装置。
- 前記位置情報取得部が、GPSデータを取得し、前記選択部は、GPSデータに基づいて、前記第1の周波数帯と、第2の周波数帯のいずれかを選択する請求項1から7いずれか一の無線通信装置。
- 外部ネットワークと接続する第1の無線通信部と、それぞれ異なる第1の周波数帯と第2の周波数帯とのいずれかを用いて、前記外部ネットワークと接続可能なサービスエリアを形成する第2の無線通信部と、を備えた無線通信装置が、
自装置の位置情報を取得するステップと、
前記位置情報に基づいて、前記第1の周波数帯と、第2の周波数帯とのいずれかを選択し、ユーザ端末を前記外部ネットワークに接続するステップと、を含む通信方法。 - 外部ネットワークと接続する第1の無線通信部と、それぞれ異なる第1の周波数帯と第2の周波数帯とのいずれかを用いて、前記外部ネットワークと接続可能なサービスエリアを形成する第2の無線通信部と、を備えた無線通信装置に搭載されたコンピュータに、
自装置の位置情報を取得する処理と、
前記位置情報に基づいて、前記第1の周波数帯と、第2の周波数帯とのいずれかを選択し、ユーザ端末を前記外部ネットワークに接続する処理と、を実行させるプログラム。
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