US5553069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiocommunication system
Assignee: Toshiba Corp
•
Filing: 1994-07-29
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Granted: 1996-09-03
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Expires: 2014-07-29
Abstract
Abstract An ATM-based radiocommunication system adapted for multimedia communication comprises a repeater for providing communication services over a predetermined service area, first radio terminals for communicating with the repeater by using ATM cells, and a second terminal for communicating with the repeater by using ATM cells and communicating with a backbone network. The repeater comprises spot beam transmission and reception antennas for providing radio channels within a predetermined service area by means of spot beams, a wide-area beam transmission and reception antenna for providing a radio channel within the predetermined service area by means of a wide-area beam, first transmitters/receivers connected to the spot beam transmission and reception antennas for transmitting and receiving ATM cells, a second transmitter/receiver connected to the wide-area beam transmission and reception antenna for transmitting and receiving ATM cells, and an ATM switching device having input terminals connected to receive ATM cells from the first and second receivers and output terminals connected to the first and second transmitters for directing incoming ATM cells to their respective proper output terminals.
Inventors
- 👤 Motoharu Ueno
- 👤 Yoshinari Kumaki
- 👤 Katsuya Nonin
- 👤 Eiji Kamagata
- 👤 Shigeo Matsuzawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:30
CPC Classifications
H; H04; H04W; H04W16/00; H04W16/24; H04W16/32; H04L; H04L49/00; H04L49/10; H04L49/104; H04L49/105; H04L49/108; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0478; H04J; H04J13/00; H04J13/10; H04J13/16; H04L12/00; H04L12/54; H04L12/56; H04L12/5601; H04L2012/5603; H04L2012/5604; H04L2012/5607; H04L2012/5629; H04L2012/563; H04L2012/5638; H04W88/00; H04W88/08
Claims Analysis
Total Claims: 45
Claim 1
Independent Claim
85 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area; and a radiocommunication terminal for communicating with said repeater, wherein said repeater comprises: first communicating means for providing a radio channel by a wide beam covering the whole of said service area; and second communicating means for providing a radio channel by spot beams covering subareas within said service area, and wherein said radiocommunication terminal can be directly communicated with said first communicating means and said second communicating means.
Claim 2
Dependent Claim
85 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area; and a radiocommunication terminal for communicating with said repeater, wherein said repeater comprises: first communicating means for providing a radio channel by a wide beam covering the whole of said service area; and second communicating means for providing a radio channel by spot beams covering subareas within said service area, and wherein said radiocommunication terminal can be directly communicated with said first communicating means and said second communicating means.
Claim 3
Dependent Claim
24 words
A radiocommunication system according to claim 1, in which said radiocommunication terminal comprises interface means connected to a backbone network through a wire channel.
Claim 4
Dependent Claim
20 words
A radiocommunication system according to claim 1, further comprising ATM switching means connected to said first and second communicating means.
Claim 5
Dependent Claim
73 words
A radiocommunication system according to claim 3, further comprising: storage means for storing a correspondence relationship between at least one of a virtual path identifier and a virtual channel identifier and a radio resource for a radio channel; and radio resource setup means responsive to said storage means for setting up the radio resource corresponding to at least one of said virtual path identifier and said virtual channel identifier in an ATM cell.
Claim 6
Dependent Claim
59 words
A radiocommunication system according to claim 3, further comprising: common control channel setup means for setting up a common control channel between said repeater and said radiocommunication terminal; and meta-signaling procedure executing means for setting up respective channels between said repeater and radiocommunication terminals by using said common control channel set up by said common control channel setup means.
Claim 7
Dependent Claim
55 words
A radiocommunication system according to claim 3, further comprising: detecting means for detecting the start of movement of said radiocommunication terminal and for signaling said repeater; and communication maintenance means for, when signaled by said detecting means, maintaining a communication between said radiocommunication terminal and said repeater even after the movement of said radiocommunication terminal.
Claim 8
Dependent Claim
31 words
A radiocommunication system according to claim 1, further comprising a second radiocommunication terminal, connected to a backbone network through a wire channel, for communicating with said repeater using an ATM cell.
Claim 9
Dependent Claim
40 words
A radiocommunication system according to claim 1, further comprising a second radiocommunication terminal, connected to wire communication terminals through a wire channel, for communicating with said repeater using an ATM cell and multiplexing signals transmitted from the wire communication terminals.
Claim 10
Dependent Claim
35 words
A radiocommunication system according to claim 1, in which said repeater comprises means for selectively activating one of said first communicating means and said second communicating means in accordance with a required information transmission rate.
Claim 11
Dependent Claim
50 words
A radiocommunication system according to claim 9, in which said means for selectively activating activates said first communicating means if the required information transmission rate is lower than a given rate and activates said second communicating means if the required information transmission rate is not lower than the given rate.
Claim 12
Dependent Claim
35 words
A radiocommunication system according to claim 1, in which said repeater comprises means for selectively activating one of said first communicating means and said second communicating means in accordance with a required information transmission bandwidth.
Claim 13
Dependent Claim
50 words
A radiocommunication system according to claim 11, in which said means for selectively activating activates said first communicating means if the required information transmission bandwidth is lower than a given bandwidth and activates said second communicating means if the required information transmission bandwidth is not lower than the given bandwidth.
Claim 14
Dependent Claim
32 words
A radiocommunication system according to claim 1, in which said second communicating means provides a radio channel for transmitting data and said first communicating means provides a radio channel for control data.
Claim 15
Dependent Claim
30 words
A radiocommunication system according to claim 13, in which said repeater activates said first communicating means to provide a radio channel for transmitting data while said radiocommunication terminal is moving.
Claim 16
Dependent Claim
22 words
A radiocommunication system according to claim 1, in which said repeater activates said first communicating means while said radiocommunication terminal is moving.
Claim 17
Dependent Claim
27 words
A radiocommunication system according to claim 1, further comprising a second radiocommunication terminal, connected to a backbone network through a wire channel, for communicating with said repeater.
Claim 18
Dependent Claim
28 words
A radiocommunication system according to claim 1, in which said repeater comprises means for activating said first communicating means for uplinks and said second communicating means for downlinks.
Claim 19
Dependent Claim
28 words
A radiocommunication system according to claim 1, in which said repeater comprises means for varying directivity of the spot beams in accordance with a required information transmission rate.
Claim 20
Dependent Claim
188 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area; a first radiocommunication terminal for communicating with said repeater using an ATM cell; and a second radiocommunication terminal for communicating with said repeater using an ATM cell and for communicating with a backbone network via a wire channel, said repeater comprising: spot beam transmission antennas and spot beam reception antennas for providing radio channels within said service area by spot beams; a wide beam transmission antenna and a wide beam reception antenna for providing a radio channel within said service area by a wide beam; first transmitters and first receivers connected to said spot beam transmission antennas and said spot beam reception antennas for transmitting and receiving ATM cells; a second transmitter and second receiver connected to said wide beam transmission antenna and wide beam reception antenna for transmitting and receiving ATM cells; and ATM switching means, having input terminals connected to receive ATM cells from said first and second receivers and output terminals connected to said first and second transmitters, for directing incoming ATM cells to their respective proper output terminals.
Claim 21
Dependent Claim
188 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area; a first radiocommunication terminal for communicating with said repeater using an ATM cell; and a second radiocommunication terminal for communicating with said repeater using an ATM cell and for communicating with a backbone network via a wire channel, said repeater comprising: spot beam transmission antennas and spot beam reception antennas for providing radio channels within said service area by spot beams; a wide beam transmission antenna and a wide beam reception antenna for providing a radio channel within said service area by a wide beam; first transmitters and first receivers connected to said spot beam transmission antennas and said spot beam reception antennas for transmitting and receiving ATM cells; a second transmitter and second receiver connected to said wide beam transmission antenna and wide beam reception antenna for transmitting and receiving ATM cells; and ATM switching means, having input terminals connected to receive ATM cells from said first and second receivers and output terminals connected to said first and second transmitters, for directing incoming ATM cells to their respective proper output terminals.
Claim 22
Dependent Claim
73 words
A radiocommunication system according to claim 19, further comprising: storage means for storing a correspondence relationship between at least one of a virtual path identifier and a virtual channel identifier and a radio resource for a radio channel; and radio resource setup means responsive to said storage means for setting up the radio resource corresponding to at least one of said virtual path identifier and said virtual channel identifier in an ATM cell.
Claim 23
Dependent Claim
60 words
A radiocommunication system according to claim 19, further comprising: common control channel setup means for setting up a common control channel between said repeater and said radiocommunication terminal; and meta-signaling procedure executing means for executing a meta-signaling procedure between said repeater and said radiocommunication terminal by using said common control channel set up by said common control channel setup means.
Claim 24
Dependent Claim
55 words
A radiocommunication system according to claim 19, further comprising: detecting means for detecting the start of movement of said radiocommunication terminal and for signaling said repeater; and communication maintenance means for, when signaled by said detecting means, maintaining a communication between said radiocommunication terminal and said repeater even after the movement of said radiocommunication terminal.
Claim 25
Dependent Claim
32 words
A radiocommunication system according to claim 19, in which said repeater comprises means for activating said second transmitter and second receiver for uplinks and said first transmitters and first receivers for downlinks.
Claim 26
Dependent Claim
36 words
A radiocommunication system according to claim 19, in which said repeater comprises means for varying directivity of said spot beam transmission antennas and said spot beam reception antennas in accordance with a required information transmission rate.
Claim 27
Dependent Claim
228 words
A radiocommunication system comprising: first and second repeaters for providing communication services over different predetermined service areas; a radio transmitter/receiver for providing a communication service over a service area other than said predetermined service areas and communicating with a backbone network via a wire channel; first radiocommunication terminals for communicating with said first and second repeaters using an ATM cell and communicating with said radio transmitter/receiver; and second radiocommunication terminals for communicating with said first and second repeaters using an ATM cell and communicating with a backbone network, each of said first and second repeaters comprising: spot beam transmission antennas and spot beam reception antennas for providing radio channels within said service area by spot beams; a wide beam transmission antenna and a wide beam reception antenna for providing a radio channel within said service area by a wide beam; first transmitters and first receivers connected to said spot beam transmission antennas and said spot beam reception antennas for transmitting and receiving ATM cells; a second transmitter and second receiver connected to said wide beam transmission antenna and said wide beam reception antenna for transmitting and receiving ATM cells; and ATM switching means, having input terminals connected to receive ATM cells from said first and second receivers and output terminals connected to said first and second transmitters, for directing incoming ATM cells to their respective proper output terminals.
Claim 28
Dependent Claim
228 words
A radiocommunication system comprising: first and second repeaters for providing communication services over different predetermined service areas; a radio transmitter/receiver for providing a communication service over a service area other than said predetermined service areas and communicating with a backbone network via a wire channel; first radiocommunication terminals for communicating with said first and second repeaters using an ATM cell and communicating with said radio transmitter/receiver; and second radiocommunication terminals for communicating with said first and second repeaters using an ATM cell and communicating with a backbone network, each of said first and second repeaters comprising: spot beam transmission antennas and spot beam reception antennas for providing radio channels within said service area by spot beams; a wide beam transmission antenna and a wide beam reception antenna for providing a radio channel within said service area by a wide beam; first transmitters and first receivers connected to said spot beam transmission antennas and said spot beam reception antennas for transmitting and receiving ATM cells; a second transmitter and second receiver connected to said wide beam transmission antenna and said wide beam reception antenna for transmitting and receiving ATM cells; and ATM switching means, having input terminals connected to receive ATM cells from said first and second receivers and output terminals connected to said first and second transmitters, for directing incoming ATM cells to their respective proper output terminals.
Claim 29
Dependent Claim
35 words
A radiocommunication system according to claim 25, in which said first and second repeaters comprises means for activating said second transmitter and second receiver for uplinks and said first transmitters and first receivers for downlinks.
Claim 30
Dependent Claim
36 words
A radiocommunication system according to claim 25, in which said repeater comprises means for varying directivity of said spot beam transmission antennas and said spot beam reception antennas in accordance with a required information transmission rate.
Claim 31
Dependent Claim
82 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including means for varying an assignment of radiocommunication resources in accordance with a required information transmission rate; and a radiocommunication terminal for communicating with said repeater using an ATM cell, said repeater comprising: communicating means for providing a radio channel by a wide beam covering said service area and spot beams covering subareas within said service area; and ATM switching means connected to said communicating means.
Claim 32
Dependent Claim
82 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including means for varying an assignment of radiocommunication resources in accordance with a required information transmission rate; and a radiocommunication terminal for communicating with said repeater using an ATM cell, said repeater comprising: communicating means for providing a radio channel by a wide beam covering said service area and spot beams covering subareas within said service area; and ATM switching means connected to said communicating means.
Claim 33
Dependent Claim
99 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including a first communicating means for providing a radio channel by a wide beam covering said service area; a second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for selecting one of said first communicating means and said second communicating means for an up-link and the other one for a down-link; and a radiocommunication terminal for communicating with said repeater using an ATM cell; and ATM switching means connected to said communicating means.
Claim 34
Dependent Claim
99 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including a first communicating means for providing a radio channel by a wide beam covering said service area; a second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for selecting one of said first communicating means and said second communicating means for an up-link and the other one for a down-link; and a radiocommunication terminal for communicating with said repeater using an ATM cell; and ATM switching means connected to said communicating means.
Claim 35
Dependent Claim
96 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including a first communicating means for providing a radio channel by a wide beam covering said service area; a second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for selecting one of said first communicating means and said second communicating means in accordance with a required information transmission rate; and a radiocommunication terminal for communicating with said repeater using an ATM cell, ATM switching means connected to said communicating means.
Claim 36
Dependent Claim
96 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including a first communicating means for providing a radio channel by a wide beam covering said service area; a second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for selecting one of said first communicating means and said second communicating means in accordance with a required information transmission rate; and a radiocommunication terminal for communicating with said repeater using an ATM cell, ATM switching means connected to said communicating means.
Claim 37
Dependent Claim
72 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area; and a radiocommunication terminal for communicating with said repeater, said repeater comprising: communicating means for providing a radio channel by a wide beam covering the whole of said service area and spot beams covering subareas within said service area; and means for varying an assignment of radiocommunication resources in accordance with a required information transmission rate.
Claim 38
Dependent Claim
72 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area; and a radiocommunication terminal for communicating with said repeater, said repeater comprising: communicating means for providing a radio channel by a wide beam covering the whole of said service area and spot beams covering subareas within said service area; and means for varying an assignment of radiocommunication resources in accordance with a required information transmission rate.
Claim 39
Dependent Claim
35 words
A radiocommunication system according to claim 31, in which said radiocommunication terminal comprises means for communicating with said repeater using an ATM cell; and said repeater comprises ATM switching means connected to said communicating means.
Claim 40
Dependent Claim
54 words
A radiocommunication system according to claim 31, in which said repeater comprises: a second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for selecting one of said communicating means and said second communicating means for an up-link and the other one for a down-link.
Claim 41
Dependent Claim
52 words
A radiocommunication system according to claim 31, in which said repeater comprises: a second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for selecting one of said communicating means and said second communicating means in accordance with a required information transmission rate.
Claim 42
Dependent Claim
92 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including first communicating means for providing a radio channel by a wide beam covering the whole of said service area; second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for activating said first communicating means for uplinks and said second communicating means for downlinks; and a radiocommunication terminal for communicating with said repeater using an ATM cell; and ATM switching means connected to said communicating means.
Claim 43
Dependent Claim
92 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including first communicating means for providing a radio channel by a wide beam covering the whole of said service area; second communicating means for providing a radio channel by spot beams covering subareas within said service area; and means for activating said first communicating means for uplinks and said second communicating means for downlinks; and a radiocommunication terminal for communicating with said repeater using an ATM cell; and ATM switching means connected to said communicating means.
Claim 44
Dependent Claim
81 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including means for varying directivity of the beams in accordance with a required information transmission rate; and a radiocommunication terminal for communicating with said repeater using an ATM cell, said repeater comprising: communicating means for providing a radio channel by a wide beam covering said service area and spot beams covering subareas within said service area; and ATM switching means connected to said communicating means.
Claim 45
Dependent Claim
81 words
A radiocommunication system comprising: a repeater for providing a radiocommunication service over a predetermined service area including means for varying directivity of the beams in accordance with a required information transmission rate; and a radiocommunication terminal for communicating with said repeater using an ATM cell, said repeater comprising: communicating means for providing a radio channel by a wide beam covering said service area and spot beams covering subareas within said service area; and ATM switching means connected to said communicating means.
References Cited (Backward Citations)
US5179559A
Cited
US5193091A
Cited
US5265150A
Cited
US5293645A
Cited
US5408237A
Cited
US5235598A
Cited
US5359603A
Cited
US5434859A
Cited
US5406550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-09-03 | 2000-03-04 | 2000-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-09-03 | 2004-03-04 | 2004-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-09-03 | 2008-03-04 | 2008-09-03 | $7700.00 | Window Closed / Lapsed |