Position location and data transmission using pseudo digital television transmitters
First Claim
Patent Images
1. An apparatus comprising:
- a signal generator adapted to generate a positioning signal comprising a first half-field and a second half-field;
wherein each of the first and second half-fields comprises 313 segments; and
wherein each of the segments comprises 832 chips comprising an American Television Standards Committee (ATSC) digital television (DTV) segment synchronization signal and a pseudonoise sequence; and
a transmitter adapted to transmit the positioning signal.
3 Assignments
0 Petitions
Accused Products
Abstract
A method, apparatus, and computer-readable media comprising generating a positioning signal comprising a first half-field and a second half-field; and transmitting the positioning signal; wherein each of the first and second half-fields comprises 313 segments; and wherein each of the segments comprises 832 chips comprising an American Television Standards Committee (ATSC) digital television (DTV) segment synchronization signal and a pseudonoise sequence.
66 Citations
24 Claims
-
1. An apparatus comprising:
-
a signal generator adapted to generate a positioning signal comprising a first half-field and a second half-field;
wherein each of the first and second half-fields comprises 313 segments; and
wherein each of the segments comprises 832 chips comprising an American Television Standards Committee (ATSC) digital television (DTV) segment synchronization signal and a pseudonoise sequence; and
a transmitter adapted to transmit the positioning signal. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. An apparatus comprising:
-
signal generator means for generating a positioning signal comprising a first half-field and a second half-field;
wherein each of the first and second half-fields comprises 313 segments; and
wherein each of the segments comprises 832 chips comprising an American Television Standards Committee (ATSC) digital television (DTV) segment synchronization signal and a pseudonoise sequence; and
transmitter means for transmitting the positioning signal. - View Dependent Claims (8, 9, 10, 11, 12)
-
-
13. A method comprising:
-
generating a positioning signal comprising a first half-field and a second half-field; and
transmitting the positioning signal;
wherein each of the first and second half-fields comprises 313 segments; and
wherein each of the segments comprises 832 chips comprising an American Television Standards Committee (ATSC) digital television (DTV) segment synchronization signal and a pseudonoise sequence. - View Dependent Claims (14, 15, 16, 17, 18)
-
-
19. Computer-readable media embodying instructions executable by a computer to perform a method comprising:
-
generating a positioning signal comprising a first half-field and a second half-field; and
transmitting the positioning signal;
wherein each of the first and second half-fields comprises 313 segments; and
wherein each of the segments comprises 832 chips comprising an American Television Standards Committee (ATSC) digital television (DTV) segment synchronization signal and a pseudonoise sequence. - View Dependent Claims (20, 21, 22, 23, 24)
-
Specification