JPH09510844A - Pcsポケット電話/マイクロセル通信無線区間プロトコル - Google Patents
Pcsポケット電話/マイクロセル通信無線区間プロトコルInfo
- Publication number
- JPH09510844A JPH09510844A JP7524766A JP52476695A JPH09510844A JP H09510844 A JPH09510844 A JP H09510844A JP 7524766 A JP7524766 A JP 7524766A JP 52476695 A JP52476695 A JP 52476695A JP H09510844 A JPH09510844 A JP H09510844A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
- H04W74/06—Scheduled access using polling
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/012—Comfort noise or silence coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/52—Queue scheduling by attributing bandwidth to queues
- H04L47/522—Dynamic queue service slot or variable bandwidth allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/6215—Individual queue per QOS, rate or priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/901—Buffering arrangements using storage descriptor, e.g. read or write pointers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/362—Aspects of the step size
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Near-Field Transmission Systems (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Telephone Function (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Packages (AREA)
- Push-Button Switches (AREA)
- Transmitters (AREA)
- Telephone Set Structure (AREA)
- Details Of Garments (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.1つの基地局および複数のユーザ局を有する通信システムにおいて、上記 基地局と上記複数の中の1つのユーザ局との間の通信を確立する方法であって、 一般ポーリングメッセージを上記基地局から送信するステップと; 上記一般ポーリングメッセージを上記1つのユーザ局において受信するステッ プと; 一般ポーリング応答を上記ユーザ局から送信するステップと; 上記一般ポーリング応答を上記基地局において受信するステップと; 上記基地局からの特別ポーリングメッセージを送信するステップと; 上記特別ポーリングメッセージを上記1つのユーザ局において受信するステッ プと; 特別ポーリング応答を上記1つのユーザ局から送信するステップと; 上記特別ポーリング応答を上記基地局において受信するステップと; それ以後、上記基地局と上記1つのユーザ局との間で情報メッセージを確立さ れた通信リンク上で送受信するステップと を含む通信を確立する方法。 2.請求項1に記載の方法において、上記基地局と上記1つのユーザ局との間 の上記通信リンクの品質の度合いを検出するステップと; 特別ポーリングメッセージを上記品質の度合いに応答して上記基地局から送信 するステップと; 上記特別ポーリングメッセージを上記1つのユーザ局において受信するステッ プと; 特別ポーリング応答を上記1つのユーザ局から上記特別ポーリングメッセージ に応答して送信するステップと; 上記基地局にて上記特別ポーリング応答を受信するステップと; それ以後、上記基地局と上記1つのユーザ局との間で別の情報メッセージを再 確立された通信リンク上で送受信するステップとを含む通信を確立する方法。 3.請求項1に記載の方法において、情報メッセージとともに上記1つのユー ザ局に対する識別子を上記通信リンク上で繰り返し送信するステップと; 情報メッセージとともに上記識別子を上記通信リンク上で受信するステップと ; 上記1つのユーザ局での上記識別子と上記1つのユーザ局に対するローカル識 別子とを比較するステップと; 上記比較するステップの結果に応答して上記特別ポーリングメッセージの受信 を待つステップとを含む方法。 4.請求項1に記載の方法において、第1の組のネットワーク情報を送信する フィールドからなる一般ポーリングメッセージを第2の基地局から送信するステ ップと; 上記一般ポーリングメッセージを上記1つのユーザ局において受信するステッ プと; 特別ポーリングメッセージを上記第2の基地局から送信するステップと; 第2の組のネットワーク情報を送信するフィールドを含む上記特別ポーリング メッセージを上記1つのユーザ局で受信するステップと; 上記第1の組および第2の組のネットワーク情報を上記1つのユーザ局で記録 するステップと; 上記ネットワーク情報に応答して上記第2の基地局と上記1つのユーザ局との 間の通信リンクを確立するステップとを含む方法。 5.請求項4に記載の方法において、上記1つの基地局に関する情報を上記ユ ーザ局から上記第2の基地局に送信するステップとを含む方法。 6.請求項1に記載の方法において、電話呼を開始する要求を上記1つのユー ザ局から送信するステップと; 上記要求を上記基地局で受信するステップと; 電話網において上記基地局から電話呼を開始するステップとを含む方法。 7.請求項1に記載の方法において、上記一般ポーリング応答は上記1つのユ ーザ局に対する識別子を含み、上記特別ポーリングメッセージは上記識別子を含 み、上記特別ポーリング応答は上記識別子を含む方法。 8.1つの基地局および複数のユーザ局を含む通信システムにおいて、上記基 地局と上記複数のユーザ局の中の1つとの間の通信を確立する方法であって、電 話網からの要求を上記基地局で受信し、上記1つのユーザ局に対する電話呼を完 成させるステップと; 特別ポーリングメッセージを上記基地局から送信するステップと; 上記特別ポーリングメッセージを上記1つのユーザ局で受信するステップと; 特別ポーリング応答を上記1つのユーザ局から送信するステップと; 上記特別ポーリング応答を上記基地局で受信するステップと; それ以後、上記基地局と上記1つのユーザ局との間で情報メッセージを確立さ れた通信リンク上で送受信するステップと を含む通信を確立する方法。 9.複数の基地局および複数のユーザ局を有する通信システムにおいて、上記 複数の基地局の中の1つと上記複数のユーザ局中の1つとの間の通信を確立する 方法であって、 上記複数の基地局の中の第1の基地局と上記複数のユーザ局の中の1つとの間 の通信を確立するステップと; ネットワーク情報を上記1つのユーザ局で上記複数の基地局の中の第2の基地 局から受信するステップとで; 上記ユーザ局の制御のもとで、上記第1の基地局と上記1つのユーザ局との間 の通信を切断するステップとで; 上記ユーザ局の制御のもとで、上記第2の基地局と上記1つのユーザ局との間 の通信を確立するステップとを含む通信を確立する方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21530694A | 1994-03-21 | 1994-03-21 | |
| US08/215,306 | 1994-08-01 | ||
| US08/284,053 | 1994-08-01 | ||
| US08/284,053 US6088590A (en) | 1993-11-01 | 1994-08-01 | Method and system for mobile controlled handoff and link maintenance in spread spectrum communication |
| PCT/US1995/003500 WO1995026094A1 (en) | 1994-03-21 | 1995-03-20 | Pcs pocket phone/microcell communication over-air protocol |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002056914A Division JP3746457B2 (ja) | 1994-03-21 | 2002-03-04 | 通信システムにおいて通信を確立する方法及び通信をハンドオフする方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09510844A true JPH09510844A (ja) | 1997-10-28 |
| JP3404045B2 JP3404045B2 (ja) | 2003-05-06 |
Family
ID=26909910
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52476695A Expired - Lifetime JP3404045B2 (ja) | 1994-03-21 | 1995-03-20 | Pcsポケット電話/マイクロセル通信無線区間プロトコル |
| JP2002056914A Expired - Fee Related JP3746457B2 (ja) | 1994-03-21 | 2002-03-04 | 通信システムにおいて通信を確立する方法及び通信をハンドオフする方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002056914A Expired - Fee Related JP3746457B2 (ja) | 1994-03-21 | 2002-03-04 | 通信システムにおいて通信を確立する方法及び通信をハンドオフする方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (9) | US6088590A (ja) |
| EP (7) | EP1347583A3 (ja) |
| JP (2) | JP3404045B2 (ja) |
| AT (3) | ATE308852T1 (ja) |
| CA (1) | CA2186031A1 (ja) |
| DE (2) | DE69535780D1 (ja) |
| IL (1) | IL113059A (ja) |
| WO (1) | WO1995026094A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1127716A (ja) * | 1997-07-03 | 1999-01-29 | Oki Electric Ind Co Ltd | 移動体通信システムにおけるハンドオフ制御方法 |
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- 1995-03-20 AT AT03014443T patent/ATE399433T1/de not_active IP Right Cessation
- 1995-03-20 EP EP03014442A patent/EP1347583A3/en not_active Withdrawn
- 1995-03-20 WO PCT/US1995/003500 patent/WO1995026094A1/en not_active Ceased
- 1995-03-20 EP EP03014443A patent/EP1347659B1/en not_active Expired - Lifetime
- 1995-03-20 DE DE69535780T patent/DE69535780D1/de not_active Expired - Fee Related
- 1995-03-20 EP EP03014441A patent/EP1347658B1/en not_active Expired - Lifetime
- 1995-03-20 AT AT03014441T patent/ATE442756T1/de not_active IP Right Cessation
- 1995-03-20 DE DE69534566T patent/DE69534566T2/de not_active Expired - Fee Related
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- 1995-03-20 EP EP03014440A patent/EP1367846A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1127716A (ja) * | 1997-07-03 | 1999-01-29 | Oki Electric Ind Co Ltd | 移動体通信システムにおけるハンドオフ制御方法 |
| JP2012085336A (ja) * | 2003-11-06 | 2012-04-26 | Panasonic Corp | セルラ無線通信システムにおける干渉均衡化のための、チャネル割り当て中の送信電力レベル設定 |
| JP2007228630A (ja) * | 2007-05-07 | 2007-09-06 | Nec Corp | 公衆無線lanサービスエリア内通知装置および方法 |
| WO2016174914A1 (ja) * | 2015-04-29 | 2016-11-03 | 株式会社日立国際電気 | 無線通信システム及び無線通信方法 |
| JPWO2016174914A1 (ja) * | 2015-04-29 | 2017-12-28 | 株式会社日立国際電気 | 無線通信システム及び無線通信方法 |
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