Asymmetric wireless communication system using two different radio technologies

• US 6,853,835 B2
• Filed: 08/13/2001
• Issued: 02/08/2005
• Est. Priority Date: 08/13/2001
• Status: Expired due to Term

• Current Assignee: Valtrus Innovations Limited (f/k/a Dolya Holdco 9 Limited) (Key Patent Innovations Limited)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Wynbeek, John C.
• Primary Examiner(s): Tran, CongVan
• Application Number:
  US09/928,615
• Publication Number:
  US 20030032422A1
• Time in Patent Office: 1,275 Days
• Field of Search: 455/39, 455/47, 455/48, 455/73, 455/78, 455/91, 455/104, 455/550.1, 455/553.1, 455/422, 455/456.5, 455/403, 455/552, 455/556, 375/295, 375/301, 375/316, 375/321, 375/324
• US Class Current: 455/78
• CPC Class Codes: H04B 1/005 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
• CPC Class Codes: H04B 1/50 using different frequencies for the two directions of communication
• CPC Class Codes: H04B 1/7163 using impulse radio
• CPC Class Codes: H04B 7/2625 using common wave
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex

Abstract

A wireless communication system and method are provided, where a base station communication device includes a carrier wave-based transmitter and an ultrawideband receiver. A mobile communication device includes a carrier wave-based receiver and an ultrawideband transmitter. Carrier wave communications are carried out in a forward channel from the base station communication device to the mobile communication device, and ultrawideband communications are carried out in a reverse channel from the mobile communication device to the base station communication device. As a result, the power requirements of the mobile communication device are significantly reduced.

Claims

1. A wireless communication system, comprising:

a base station communication device including a carrier wave-based transmitter and further including an ultrawideband receiver; and

a mobile communication device including a carrier wave-based receiver and further including an ultrawideband transmitter;

wherein carrier wave communications are carried out in a forward channel from said base station communication device to said mobile communication device, and ultrawide band communications are carried out in a reverse channel from said mobile communication device to said base station communication device.

2. The wireless communication system of claim 1, wherein said wireless communication system comprises a radio system.

3. The wireless communication system of claim 1, wherein said wireless communication system comprises a cellular telephone system.

4. The wireless communication system of claim 1, wherein said wireless communication system comprises a satellite telephone system.

5. The wireless communication system of claim 1, wherein said wireless communication system comprises a pager system.

6. The wireless communication system of claim 1, wherein said base station communication device is connected to a land line.

7. A wireless communication system, comprising:

a base station communication device including a carrier wave-based transmitter capable of transmitting a carrier wave-based signal and further including an ultrawideband receiver capable of receiving an ultrawideband signal; and

a mobile communication device including a carrier wave-based receiver capable of receiving said carrier wave-based signal and further including an ultrawideband transmitter capable of transmitting said ultrawideband signal.

8. The wireless communication system of claim 7, wherein said wireless communication system comprises a radio system.

9. The wireless communication system of claim 7, wherein said wireless communication system comprises a cellular telephone system.

10. The wireless communication system of claim 7, wherein said wireless communication system comprises a satellite telephone system.

11. The wireless communication system of claim 7, wherein said wireless communication system comprises a pager system.

12. The wireless communication system of claim 7, wherein said base station communication device is connected to a land line.

13. A method of wireless communication, comprising the steps of:

carrying out communication from a base station communication device to a mobile communication device using a carrier wave-based transmission signal; and

carrying out communication from said mobile communication device to said base station communication device using an ultrawideband transmission pulse train.