System and method for transmitting information signals

Details System and method for transmitting information signals System and method for transmitting information signals

1997-11-12

1999-09-28

Pham, Chi H.

Pulse or digital communications

Receivers

Interference or noise reduction

375208, 455132, H04B 710, H04L 102

Patent

active

059600470

ABSTRACT:
A system and method for transmitting information in which a relatively narrowband signal is transmitted followed by the transmission of a relatively wideband signal. The narrowband signal may be used by the receiver to alert the receiver to the upcoming wideband signal. In a system in which the transmissions occur asynchronously to the receiver, the receiver may be less complicated because the receiver is provided with an indication of the time and/or the center frequency of the wideband signal. Either the narrowband signal or the wideband signal may be used to transmit information from the transmitting device to the receiver. The system and method find particular advantage in tracking and locating systems in which a plurality of tags asynchronously transmit information and/or location information to a receiver or a set of receivers.

REFERENCES:
patent: 5022046 (1991-06-01), Morrow, Jr.
patent: 5640385 (1997-06-01), Long et al.
patent: 5687196 (1997-11-01), Proctor, Jr.
patent: 5748667 (1998-05-01), Kumar
patent: 5761238 (1998-06-01), Ross et al.
patent: 5774493 (1998-06-01), Ross

Affiliated with

Also associated with

Rating

System and method for transmitting information signals does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System and method for transmitting information signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for transmitting information signals will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-712513