JPH10285095A - トンネル用中継増幅装置 - Google Patents
トンネル用中継増幅装置Info
- Publication number
- JPH10285095A JPH10285095A JP9105431A JP10543197A JPH10285095A JP H10285095 A JPH10285095 A JP H10285095A JP 9105431 A JP9105431 A JP 9105431A JP 10543197 A JP10543197 A JP 10543197A JP H10285095 A JPH10285095 A JP H10285095A
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- relay
- train
- station
- master station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 description 15
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9105431A JPH10285095A (ja) | 1997-04-09 | 1997-04-09 | トンネル用中継増幅装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9105431A JPH10285095A (ja) | 1997-04-09 | 1997-04-09 | トンネル用中継増幅装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10285095A true JPH10285095A (ja) | 1998-10-23 |
| JPH10285095A5 JPH10285095A5 (enExample) | 2005-03-03 |
Family
ID=14407416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9105431A Pending JPH10285095A (ja) | 1997-04-09 | 1997-04-09 | トンネル用中継増幅装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10285095A (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006025298A1 (ja) * | 2004-09-01 | 2006-03-09 | Nokia Corporation | 中継器及び中継方法 |
| JP2008278499A (ja) * | 2007-05-04 | 2008-11-13 | Mitsubishi Electric Information Technology Centre Europa Bv | 無線周波数搬送システム、光ファイバ無線変換器及び無線変換器 |
| JP2012054971A (ja) * | 2005-09-19 | 2012-03-15 | Qualcomm Inc | マルチモード基地局を使用する無線通信システムにおいて使用される方法および装置 |
| JP2014506029A (ja) * | 2010-11-30 | 2014-03-06 | コーニング インコーポレイテッド | 近接度に基づいた自律型スタンバイモードスイッチングリモートアンテナユニット |
| CN105857340A (zh) * | 2016-04-01 | 2016-08-17 | 郑君伟 | 基于组合导航的轨道检测系统及方法 |
-
1997
- 1997-04-09 JP JP9105431A patent/JPH10285095A/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006025298A1 (ja) * | 2004-09-01 | 2006-03-09 | Nokia Corporation | 中継器及び中継方法 |
| JP2012054971A (ja) * | 2005-09-19 | 2012-03-15 | Qualcomm Inc | マルチモード基地局を使用する無線通信システムにおいて使用される方法および装置 |
| JP2008278499A (ja) * | 2007-05-04 | 2008-11-13 | Mitsubishi Electric Information Technology Centre Europa Bv | 無線周波数搬送システム、光ファイバ無線変換器及び無線変換器 |
| JP2014506029A (ja) * | 2010-11-30 | 2014-03-06 | コーニング インコーポレイテッド | 近接度に基づいた自律型スタンバイモードスイッチングリモートアンテナユニット |
| US9894537B2 (en) | 2010-11-30 | 2018-02-13 | Corning Incorporated | Autonomous proximity-based standby mode switching remote antenna unit |
| CN105857340A (zh) * | 2016-04-01 | 2016-08-17 | 郑君伟 | 基于组合导航的轨道检测系统及方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR970707655A (ko) | 무선전화 시스템용 자가-조정 rf 중계장치(self-adjusting rf repeater arrangements for wireless telephone system) | |
| JP5849988B2 (ja) | フィールド無線中継装置 | |
| JPH10285095A (ja) | トンネル用中継増幅装置 | |
| JPH10257546A (ja) | 無線通信システム | |
| JP4221958B2 (ja) | 無線通信システム | |
| CN201022197Y (zh) | 具有同、异频转发功能的光纤直放站 | |
| JP3366857B2 (ja) | 無線中継装置 | |
| JPH10233724A (ja) | 無線中継システム | |
| EP2987249B1 (en) | Power-saving communication system having leaky transmission lines and amplifiers to extend wireless coverage and power control unit included therein | |
| JPH11112409A (ja) | 移動通信の無線中継システム | |
| JP2024099295A (ja) | 中継装置 | |
| JP4550550B2 (ja) | 統合中継システム | |
| JPH10285095A5 (enExample) | ||
| JP3338251B2 (ja) | 無線中継増幅装置 | |
| JP2009283996A (ja) | 無線中継増幅装置 | |
| KR100282056B1 (ko) | 전력 증폭기의 동작제어방법 및 그에따른 장치 | |
| KR101098643B1 (ko) | 중계기 신호 증폭 시스템 및 장치 | |
| JPS5840938A (ja) | 無線中継装置 | |
| JP2005191905A (ja) | 移動体通信システム、および移動体通信方法 | |
| JP3865997B2 (ja) | 無線通信システム | |
| KR100520200B1 (ko) | 폐쇄공간내 비상방송 시스템 및 그 방법 | |
| JP3407967B2 (ja) | 無線中継増幅装置とこれを用いる監視方法 | |
| JP2001267978A (ja) | 無線通信システム | |
| JP3877933B2 (ja) | 無線通信システム | |
| JPH1056415A (ja) | 狭エリア用中継増幅方式 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040330 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040330 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20041224 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20050111 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20050524 |