WO1995012923A1 - Indoor radio communication system - Google Patents
Indoor radio communication system Download PDFInfo
- Publication number
- WO1995012923A1 WO1995012923A1 PCT/GB1994/002371 GB9402371W WO9512923A1 WO 1995012923 A1 WO1995012923 A1 WO 1995012923A1 GB 9402371 W GB9402371 W GB 9402371W WO 9512923 A1 WO9512923 A1 WO 9512923A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ceiling
- base station
- radio communication
- telephone system
- area network
- Prior art date
Links
- 230000001413 cellular effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/737—Characterised by transmission of electromagnetic waves other than radio waves, e.g. infrared waves
Definitions
- This invention relates to radio communication apparatus.
- Cordless telephone and cordless PABX equipment is coming into more widespread use in offices, shops and public places. Such equipment is normally fitted to a wall, and can be unsightly.
- the present invention offers an innovative approach to such installations, which overcomes the problem of appearance and offers greater flexibility in the location of the equipment.
- radio communication apparatus is designed to fit into a standard aperture normally used for a ceiling tile.
- the radio communication apparatus is in the form of a base station for a telephone system or a local area network.
- a base station for a telephone system or local area network is mounted on a ceiling tile.
- a ceiling tile incorporates a base station for a telephone system or local area network.
- a ceiling incorporates a plurality of ceiling tiles, a base station for a telephone system or local area network being located on the upper surface of one of the tiles.
- the ceiling tile incorporating the base station is preferably dimensioned to match one of the standard sizes of ceiling tile, so that the ceiling tile with base station can easily be fitted into an existing ceiling or alternatively be fitted as original equipment in a new ceiling. It will be appreciated that the invention is most easily used in false (ie suspended) ceilings.
- the base station may be a base transceiver station (BTS) for a cellular telephone system, or may be a base station for a cordless telephone system.
- BTS base transceiver station
- Figure 1 is an underside view of a ceiling provided with a base station according to the invention, and.
- Figure 2 is a cross-sectional view along the line II-II of Figure 1.
- the ceiling is a false or suspended ceiling and comprises a plurality of square ceiling tiles one of which (marked 1 in the drawings) is modified by having mounted thereabove a base station 2 for a radio telephone system, as shown in Figure 2.
- the base station 2 has an H-field flat antenna printed on a printed circuit board, the antenna being called a "patch antenna".
- the antenna is conveniently coplanar with the ceiling tile and may be mounted on the upper or lower surface thereof.
- the underside of the ceiling tile matches the remaining ceiling tiles which are supported by the conventional ceiling tile supports 3.
- the invention can be applied to cordless telephones, low power small size base stations serving cells of small size, called micro BTS, cordless local area networks (LANs), and can be used with radio or infra-red communication links.
- micro BTS low power small size base stations serving cells of small size
- LANs cordless local area networks
- the base station can be positioned in the middle of a large open plan office
- - cabling for the base station can be run through the roof space defined by the void above the suspended or false ceiling.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Radio communication apparatus in the form of a base station, for example for a cellular or cordless telephone system, is designed to fit into a standard aperture normally used for a ceiling tile in a false or suspended ceiling.
Description
INDOOR RADIO COMMUNICATION SYSTEM
This invention relates to radio communication apparatus.
Cordless telephone and cordless PABX equipment is coming into more widespread use in offices, shops and public places. Such equipment is normally fitted to a wall, and can be unsightly. The present invention offers an innovative approach to such installations, which overcomes the problem of appearance and offers greater flexibility in the location of the equipment.
According to one aspect of the invention radio communication apparatus is designed to fit into a standard aperture normally used for a ceiling tile.
Preferably, the radio communication apparatus is in the form of a base station for a telephone system or a local area network.
According to another aspect of the invention a base station for a telephone system or local area network is mounted on a ceiling tile.
According to another aspect a ceiling tile incorporates a base station for a telephone system or local area network.
According to a yet further aspect a ceiling incorporates a plurality of ceiling tiles, a base station for a telephone system or local area network being located on the upper surface of one of the tiles.
The ceiling tile incorporating the base station is preferably dimensioned to match one of the standard sizes of ceiling tile, so that the ceiling tile with base station can easily be fitted into an existing ceiling or alternatively be fitted as original equipment in a new ceiling. It will be appreciated that the invention is most easily used in false (ie suspended) ceilings.
The base station may be a base transceiver station (BTS) for a cellular telephone system, or may be a base station for a cordless telephone system.
An embodiment of the invention will now be described, by way of example, with reference to the accompanying drawings in which:
Figure 1 is an underside view of a ceiling provided with a base station according to the invention, and.
Figure 2 is a cross-sectional view along the line II-II of Figure 1.
Referring to Figure 1 , the ceiling is a false or suspended ceiling and comprises a plurality of square ceiling tiles one of which (marked 1 in the drawings) is modified by having mounted thereabove a base station 2 for a radio telephone system, as shown in Figure 2. The base station 2 has an H-field flat antenna printed on a printed circuit
board, the antenna being called a "patch antenna". The antenna is conveniently coplanar with the ceiling tile and may be mounted on the upper or lower surface thereof.
The underside of the ceiling tile matches the remaining ceiling tiles which are supported by the conventional ceiling tile supports 3.
The invention can be applied to cordless telephones, low power small size base stations serving cells of small size, called micro BTS, cordless local area networks (LANs), and can be used with radio or infra-red communication links.
The described embodiment has the following advantages
- the base station is out of sight
- the base station can be positioned in the middle of a large open plan office
- the cabling to the base station can be hidden
- easy installation
- cabling for the base station can be run through the roof space defined by the void above the suspended or false ceiling.
Claims
1. Radio communication apparatus which is designed to fit into a standard aperture normally used for a ceiling tile.
2. Radio communication apparatus according to claim 1 and in the form of a base station for a telephone system or a local area network.
3. A base station which is for a telephone system or local area network and which is mounted on a ceiling tile.
4. A ceiling tile incorporating a base station for a telephone system or local area network.
5. A ceiling incorporating a plurality of ceiling tiles, a base station for a telephone system or local- area network being located on the upper surface of one of the tiles.
6. A ceiling according to claim 5 and in the form of a false or suspended ceiling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU79996/94A AU7999694A (en) | 1993-11-06 | 1994-10-31 | Indoor radio communication system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9322900.3 | 1993-11-06 | ||
GB9322900A GB2283642A (en) | 1993-11-06 | 1993-11-06 | Radio communication apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995012923A1 true WO1995012923A1 (en) | 1995-05-11 |
Family
ID=10744755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1994/002371 WO1995012923A1 (en) | 1993-11-06 | 1994-10-31 | Indoor radio communication system |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7999694A (en) |
GB (1) | GB2283642A (en) |
WO (1) | WO1995012923A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1296408A3 (en) * | 1999-08-10 | 2004-01-02 | Armstrong World Industries, Inc. | Ceiling tile transmitter and receiver system |
US6715246B1 (en) | 1999-08-10 | 2004-04-06 | Armstrong World Industries, Inc. | Ceiling tile transmitter and receiver system |
CA2314664A1 (en) * | 1999-08-10 | 2001-02-10 | Armstrong World Industries, Inc. | Ceiling tile transmitter and receiver system |
US6563465B2 (en) | 2001-05-29 | 2003-05-13 | Awi Licensing Company | Ceiling tile antenna and method for constructing same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983004462A1 (en) * | 1982-06-09 | 1983-12-22 | Western Electric Company, Inc. | A cordless key telephone system employing infrared transmission |
EP0488824A2 (en) * | 1990-11-30 | 1992-06-03 | Motorola, Inc. | In-building microwave communication system permits frequency reuse with external point microwave systems |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928312A (en) * | 1988-10-17 | 1990-05-22 | Amel Hill | Acoustic transducer |
-
1993
- 1993-11-06 GB GB9322900A patent/GB2283642A/en not_active Withdrawn
-
1994
- 1994-10-31 AU AU79996/94A patent/AU7999694A/en not_active Abandoned
- 1994-10-31 WO PCT/GB1994/002371 patent/WO1995012923A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983004462A1 (en) * | 1982-06-09 | 1983-12-22 | Western Electric Company, Inc. | A cordless key telephone system employing infrared transmission |
EP0488824A2 (en) * | 1990-11-30 | 1992-06-03 | Motorola, Inc. | In-building microwave communication system permits frequency reuse with external point microwave systems |
Also Published As
Publication number | Publication date |
---|---|
GB9322900D0 (en) | 1993-12-22 |
GB2283642A (en) | 1995-05-10 |
AU7999694A (en) | 1995-05-23 |
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