Mobile satellite communication terminal
First Claim
1. An indoor/outdoor mobile satellite communication terminal to be located indoors or outdoors for carrying out signal transmission and reception via a satellite, comprising:
- a repeater terminal installed indoors and having a first detachable antenna for a ground radio link and a second detachable antenna for a satellite communication link mounted thereto, said repeater terminal including a signal converter for converting a ground radio signal into a satellite communication signal and for converting a satellite communication signal into a ground radio signal; and
a mobile unit havinga first detachable antenna, wherein, when said first detachable antenna of said mobile unit is mounted to said mobile unit, said mobile unit forms an indoor terminal for carrying out transmission or reception of a satellite communication signal via said ground radio link with said repeater terminal, anda second detachable antenna, wherein, when said second detachable antenna of said mobile unit is mounted to said mobile unit, said mobile unit forms an outdoor terminal for carrying out transmission and reception of a satellite communication signal via a direct satellite communication link,wherein said first detachable antenna of said mobile unit and said second detachable antenna of said mobile unit are exchangeable with each other, such that said mobile satellite communication terminal can be used in either one of an outdoor mode and an indoor mode depending on which one of said first and second detachable mobile unit antennas is mounted to said mobile unit.
0 Assignments
0 Petitions
Accused Products
Abstract
A mobile satellite communication terminal capable of performing satellite communication both indoors and outdoors. In an indoor mode, the mobile satellite communication terminal includes an indoor terminal for carrying out transmission or reception of a signal through a ground radio link and a repeater terminal installed in such a location that the repeater terminal can get an unobstructed view of a satellite for carrying out transmission or reception of a signal through a satellite communication link. In an outdoor mode, an antenna of the indoor unit is replaced by an antenna for the satellite communication link, whereby the indoor terminal can be used as an outdoor terminal.
35 Citations
7 Claims
-
1. An indoor/outdoor mobile satellite communication terminal to be located indoors or outdoors for carrying out signal transmission and reception via a satellite, comprising:
-
a repeater terminal installed indoors and having a first detachable antenna for a ground radio link and a second detachable antenna for a satellite communication link mounted thereto, said repeater terminal including a signal converter for converting a ground radio signal into a satellite communication signal and for converting a satellite communication signal into a ground radio signal; and a mobile unit having a first detachable antenna, wherein, when said first detachable antenna of said mobile unit is mounted to said mobile unit, said mobile unit forms an indoor terminal for carrying out transmission or reception of a satellite communication signal via said ground radio link with said repeater terminal, and a second detachable antenna, wherein, when said second detachable antenna of said mobile unit is mounted to said mobile unit, said mobile unit forms an outdoor terminal for carrying out transmission and reception of a satellite communication signal via a direct satellite communication link, wherein said first detachable antenna of said mobile unit and said second detachable antenna of said mobile unit are exchangeable with each other, such that said mobile satellite communication terminal can be used in either one of an outdoor mode and an indoor mode depending on which one of said first and second detachable mobile unit antennas is mounted to said mobile unit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
Specification