CA2550815A1 - Wireless communication system and lift system having the same - Google Patents
Wireless communication system and lift system having the same Download PDFInfo
- Publication number
- CA2550815A1 CA2550815A1 CA002550815A CA2550815A CA2550815A1 CA 2550815 A1 CA2550815 A1 CA 2550815A1 CA 002550815 A CA002550815 A CA 002550815A CA 2550815 A CA2550815 A CA 2550815A CA 2550815 A1 CA2550815 A1 CA 2550815A1
- Authority
- CA
- Canada
- Prior art keywords
- signals
- antenna
- signaling
- auxiliary
- lift
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15535—Control of relay amplifier gain
-
- 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
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
-
- 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]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Abstract
A wireless communication system for providing a radio frequency (RF) link between an enclosed environment that is at least substantially shielded from RF signals, and the outside of the enclosed environment is disclosed. The wireless communication system includes at least one gateway antenna arranged at an entrance point of the enclosed environment. The gateway antenna radiat es downlink RF signals into and receives uplink RF signals from, the enclosed environment, respectively. The system also includes at least one auxiliary repeater arranged within the enclosed environment, a donor antenna and a server antenna. Both the donor and the server antenna are coupled to the auxiliary repeater. The auxiliary repeater relays the downlink and the uplin k RF signals using the donor antenna and the server antenna. A lift system including the wireless communication system is also disclosed.
Claims (16)
1. A wireless communication system for providing a radio frequency (RF) link between an enclosed environment that is at least substantially shielded from RF
signals, and the outside of the enclosed environment, the wireless communication system comprising:
at least one gateway antenna arranged at an entrance point of the enclosed environment so as to radiate downlink RF signals into and receive uplink RF signals from, the enclosed environment, respectively;
at least one auxiliary repeater arranged within the enclosed environment;
a donor antenna coupled to the auxiliary repeater; and a server antenna coupled to the auxiliary repeater;
wherein the auxiliary repeater relays the downlink and uplink RF signals using the donor antenna and the server antenna.
signals, and the outside of the enclosed environment, the wireless communication system comprising:
at least one gateway antenna arranged at an entrance point of the enclosed environment so as to radiate downlink RF signals into and receive uplink RF signals from, the enclosed environment, respectively;
at least one auxiliary repeater arranged within the enclosed environment;
a donor antenna coupled to the auxiliary repeater; and a server antenna coupled to the auxiliary repeater;
wherein the auxiliary repeater relays the downlink and uplink RF signals using the donor antenna and the server antenna.
2. A wireless communication system according to Claim 1, wherein the auxiliary repeater is mounted on a mobile conveyance movable in the enclosed environment with the donor antenna located outside the mobile conveyance and the server antenna located inside the mobile conveyance.
3. A wireless communication system according to Claim 2, wherein the enclosed environment is in a lift shaft, the mobile conveyance is a lift car and the gateway antenna is arranged at a ceiling of the lift shaft.
4. A wireless communication system according to Claim 2 or 3, wherein the auxiliary repeater comprises a bidirectional amplifier having a gain that is adjustable based on a distance between the mobile conveyance and the gateway antenna.
5. A wireless communication system according to any of Claims 1 to 4, comprising a plurality of auxiliary repeaters arranged spaced apart from each other in a cascade within the enclosed environment.
6. A wireless communication system according to Claim 5, wherein the plurality of auxiliary repeaters comprises a first group and a second group of auxiliary repeaters, wherein the auxiliary repeaters in the first group are mounted to respective mobile conveyances of a train of mobile conveyances movable in the enclosed environment, with the donor antenna, coupled to at least a leading auxiliary repeater or a, trailing auxiliary repeater of the auxiliary repeaters in the first group, being arranged outside the mobile conveyance, the donor antennas coupled to the other auxiliary repeaters in the first group and the server antennas coupled to the auxiliary repeaters in the first group arranged inside the respective mobile conveyance, and the auxiliary repeaters in the second group are arranged to be stationary in the enclosed environment outside the mobile conveyances.
7. A wireless communication system according to Claim 5 or 6, wherein the enclosed environment is the inside of a tunnel.
8. A wireless communication system according to any of Claims 5 to 7, comprising a plurality of gateway antennas arranged at respective entrance points of the enclosed environment.
9. A wireless communication system according to any one of Claims 1 to 8, further comprising:
a first interface that is coupled to a control station for converting downlink control data into corresponding downlink control RF signals and for converting uplink signaling RF signals into corresponding uplink signaling data;
a first combiner/decombiner that is coupled to the first interface for combining the downlink RF signals with the downlink control RF signals for transmission by the gateway antenna, and for separating uplink RF signals from the uplink signaling RF signals received by the gateway antenna;
a second interface that is coupled to a signaling and driving system for converting the downlink control RF signals into driver signals and for converting signaling signals into the uplink signaling RF signals; and a second combiner/decombiner that is coupled to the second interface for combining the uplink RF signals with the uplink signaling RF signals for transmission by the donor antenna of the auxiliary repeater, and for separating the downlink RF signals from the downlink control RF signals received by the donor antenna of the auxiliary repeater.
a first interface that is coupled to a control station for converting downlink control data into corresponding downlink control RF signals and for converting uplink signaling RF signals into corresponding uplink signaling data;
a first combiner/decombiner that is coupled to the first interface for combining the downlink RF signals with the downlink control RF signals for transmission by the gateway antenna, and for separating uplink RF signals from the uplink signaling RF signals received by the gateway antenna;
a second interface that is coupled to a signaling and driving system for converting the downlink control RF signals into driver signals and for converting signaling signals into the uplink signaling RF signals; and a second combiner/decombiner that is coupled to the second interface for combining the uplink RF signals with the uplink signaling RF signals for transmission by the donor antenna of the auxiliary repeater, and for separating the downlink RF signals from the downlink control RF signals received by the donor antenna of the auxiliary repeater.
10. A wireless communication system according to Claim 9, wherein the signaling and driving system is arranged in the mobile conveyance and comprises a driver for controlling the mobile conveyance based on the driver signals, and a sensor for producing the signaling signals based on a status of the mobile conveyance.
11. A wireless communication system according to Claim 10, wherein the signaling and driving system further comprises a signal generator being operable by an operator of the mobile conveyance.
12. A lift system comprising:
a lift shaft;
a lift car that is moveable within the lift shaft;
at least one gateway antenna arranged at a ceiling of the lift shaft so as to radiate downlink RF signals into and receive uplink RF signals from inside, the lift shaft, respectively;
an auxiliary repeater mounted on the lift. car;
a donor antenna coupled to the auxiliary repeater and located outside of the lift car; and a server antenna coupled to the auxiliary repeater and located inside the lift car;
wherein the auxiliary repeater relays the uplink and downlink RF signals between outside and inside of the lift car using the donor antenna and the server antenna.
a lift shaft;
a lift car that is moveable within the lift shaft;
at least one gateway antenna arranged at a ceiling of the lift shaft so as to radiate downlink RF signals into and receive uplink RF signals from inside, the lift shaft, respectively;
an auxiliary repeater mounted on the lift. car;
a donor antenna coupled to the auxiliary repeater and located outside of the lift car; and a server antenna coupled to the auxiliary repeater and located inside the lift car;
wherein the auxiliary repeater relays the uplink and downlink RF signals between outside and inside of the lift car using the donor antenna and the server antenna.
13. A lift system according to Claim 12, further comprising:
a first interface that is coupled to a control station for converting downlink control data into corresponding downlink control RF signals and for converting uplink signaling RF signals into corresponding uplink signaling data;
a first combiner/decombiner that is coupled to the first interface for combining the downlink RF signals with the downlink control RF signals for transmission by the gateway antenna, and for separating uplink RF signals from the uplink signaling RF signals received by the gateway antenna;
a second interface that is coupled to a signaling and driving system for converting the downlink control RF signals into driver signals and for converting signaling signals into the uplink signaling RF signals; and a second combiner/decombiner that is coupled to the second interface for combining the uplink RF signals with the uplink signaling RF signals for transmission by the donor antenna of the auxiliary repeater, and for separating the downlink RF signals from the downlink RF control signals received by the donor antenna of the auxiliary repeater.
a first interface that is coupled to a control station for converting downlink control data into corresponding downlink control RF signals and for converting uplink signaling RF signals into corresponding uplink signaling data;
a first combiner/decombiner that is coupled to the first interface for combining the downlink RF signals with the downlink control RF signals for transmission by the gateway antenna, and for separating uplink RF signals from the uplink signaling RF signals received by the gateway antenna;
a second interface that is coupled to a signaling and driving system for converting the downlink control RF signals into driver signals and for converting signaling signals into the uplink signaling RF signals; and a second combiner/decombiner that is coupled to the second interface for combining the uplink RF signals with the uplink signaling RF signals for transmission by the donor antenna of the auxiliary repeater, and for separating the downlink RF signals from the downlink RF control signals received by the donor antenna of the auxiliary repeater.
14. A lift system according to Claim 13, wherein the signaling and driving system is arranged in the lift car and comprises a driver for controlling the lift car based on the driver signals, and a sensor for producing the signaling signals based on the status of the lift car.
15. A lift system according to Claim 14, wherein the signaling and driving system further comprises a signal generator being operable by a user of the lift car.
16. A lift system according to Claim 15, wherein the sensor is adapted to provide information about the location of the lift car within the lift shaft, the sensor being connected to the auxiliary repeater so that the information can be used thereby for controlling the gain of an amplifier of the auxiliary repeater, and to the first interface so that the information can be used by the control station to control the location of the lift car in the lift shaft.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SG2003/000278 WO2005053189A1 (en) | 2003-11-28 | 2003-11-28 | Wireless communication system and lift system having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2550815A1 true CA2550815A1 (en) | 2005-06-09 |
| CA2550815C CA2550815C (en) | 2012-10-09 |
Family
ID=34632240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2550815A Expired - Fee Related CA2550815C (en) | 2003-11-28 | 2003-11-28 | Wireless communication system and lift system having the same |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US7376389B2 (en) |
| EP (2) | EP1692787B1 (en) |
| JP (1) | JP4667240B2 (en) |
| CN (1) | CN1879322B (en) |
| AT (2) | ATE455405T1 (en) |
| AU (1) | AU2003290499B2 (en) |
| BR (1) | BRPI0318597A8 (en) |
| CA (1) | CA2550815C (en) |
| DE (1) | DE60331009D1 (en) |
| ES (2) | ES2372516T3 (en) |
| HK (1) | HK1093616A1 (en) |
| MY (2) | MY165872A (en) |
| NZ (1) | NZ547562A (en) |
| TW (1) | TWI302805B (en) |
| WO (1) | WO2005053189A1 (en) |
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-
2003
- 2003-11-28 BR BRPI0318597A patent/BRPI0318597A8/en not_active Application Discontinuation
- 2003-11-28 ES ES10150220T patent/ES2372516T3/en not_active Expired - Lifetime
- 2003-11-28 AT AT03783035T patent/ATE455405T1/en not_active IP Right Cessation
- 2003-11-28 CA CA2550815A patent/CA2550815C/en not_active Expired - Fee Related
- 2003-11-28 WO PCT/SG2003/000278 patent/WO2005053189A1/en active Application Filing
- 2003-11-28 DE DE60331009T patent/DE60331009D1/en not_active Expired - Lifetime
- 2003-11-28 US US10/535,435 patent/US7376389B2/en not_active Expired - Fee Related
- 2003-11-28 EP EP03783035A patent/EP1692787B1/en not_active Expired - Lifetime
- 2003-11-28 EP EP10150220A patent/EP2166679B1/en not_active Expired - Lifetime
- 2003-11-28 ES ES03783035T patent/ES2338110T3/en not_active Expired - Lifetime
- 2003-11-28 NZ NZ547562A patent/NZ547562A/en unknown
- 2003-11-28 AU AU2003290499A patent/AU2003290499B2/en not_active Ceased
- 2003-11-28 JP JP2005510940A patent/JP4667240B2/en not_active Expired - Fee Related
- 2003-11-28 CN CN2003801107561A patent/CN1879322B/en not_active Expired - Fee Related
- 2003-11-28 AT AT10150220T patent/ATE525815T1/en not_active IP Right Cessation
- 2003-12-09 MY MYPI2012005169A patent/MY165872A/en unknown
- 2003-12-09 MY MYPI20034716A patent/MY165347A/en unknown
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2004
- 2004-11-22 TW TW093135821A patent/TWI302805B/en not_active IP Right Cessation
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2007
- 2007-01-18 HK HK07100673.7A patent/HK1093616A1/en not_active IP Right Cessation
-
2008
- 2008-05-16 US US12/122,587 patent/US8014718B2/en not_active Expired - Fee Related
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| EP2166679A2 (en) | 2010-03-24 |
| CN1879322A (en) | 2006-12-13 |
| MY165872A (en) | 2018-05-18 |
| WO2005053189A1 (en) | 2005-06-09 |
| MY165347A (en) | 2018-03-21 |
| EP1692787A4 (en) | 2007-04-18 |
| CN1879322B (en) | 2011-03-23 |
| CA2550815C (en) | 2012-10-09 |
| EP2166679B1 (en) | 2011-09-21 |
| ES2372516T3 (en) | 2012-01-23 |
| HK1093616A1 (en) | 2007-03-02 |
| TWI302805B (en) | 2008-11-01 |
| AU2003290499B2 (en) | 2007-12-13 |
| US8014718B2 (en) | 2011-09-06 |
| EP2166679A3 (en) | 2010-05-19 |
| JP2007529126A (en) | 2007-10-18 |
| BRPI0318597A8 (en) | 2017-10-10 |
| TW200526054A (en) | 2005-08-01 |
| ES2338110T3 (en) | 2010-05-04 |
| US7376389B2 (en) | 2008-05-20 |
| US20060046642A1 (en) | 2006-03-02 |
| EP1692787A1 (en) | 2006-08-23 |
| JP4667240B2 (en) | 2011-04-06 |
| NZ547562A (en) | 2008-02-29 |
| US20080261520A1 (en) | 2008-10-23 |
| EP1692787B1 (en) | 2010-01-13 |
| AU2003290499A1 (en) | 2005-06-17 |
| BR0318597A (en) | 2006-10-17 |
| ATE455405T1 (en) | 2010-01-15 |
| ATE525815T1 (en) | 2011-10-15 |
| DE60331009D1 (en) | 2010-03-04 |
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