Method and apparatus for authenticating the location of remote users of ...

INPUT TO HOST AUTHENTICATION PROCESSOR:

FORMATTED STATE VECTOR OBSERVATIONS OF THE REMOTE
LOCATION

OUTPUT FROM HOST AUTHENTICATION: PROCESSOR TO THE
REMOTE:

DATA FLOW AND SYNCHRONIZATION COMMANDS

, -150 ," HOST 7 AUTHENTICATION SERVER

L.

HOST AUTHENTICATION PROCESSOR

115

COMMUNICATIONS INTERFACE

112—7"

HOST
SYSTEM
I/O

J

7__

140''
CLIENT
AUTHENTICATION
MEANS

.J

COMMUNICATIONS

MEANS:

NETWORKS

SERIAL COMMUNICATIONS
MODEM

GLOBAL POSITIONING SYSTEM SATELLITE

Fig. 2

r

218

220

"I INPUT TO HOST AUTHENTICATION PROCESSOR:

FORMATTED STATE VECTOR OBSERVATIONS OF THE REMOT
LOCATION

STATE VECTOR
OBSERVATIONS
OF THE REMOTE
LOCATION

208

-I

COMMUNICATIONS INTERFACE

OUTPUT FROM HOST AUTHENTICATION: PROCESSOR TO THE

REMOTE:

DATA FLOW AND SYNCHRONIZATION COMMANDS

HOST
AUTHENTICATION
PROCESSOR

V

213JI

215

214

CLIENT
ACCESS
CONTROL

AUTHENTICATION t SIGNAL (YES OR NO)

216

r

HOST SYSTEM

L.

=± J

COMMUNICATIONS

MEANS:

NETWORKS

SERIAL COMMUNICATIONS
MODEM

d

In

SB
<■+

ft

3

so so

00

er

n

l-f

s,

so

-J