Antenna system

Details Antenna system Antenna system

1998-05-15

2000-06-20

Wong, Don

Telecommunications

Carrier wave repeater or relay system

Two separate way transmission

455 21, 455562, 455446, 343700MS, 341176, H04Q 736

Patent

active

060787872

ABSTRACT:
An antenna system (100) at a mobile communication station (150) comprises a main unit (101) which comprises at least one network antenna (102), a relay antenna (103) for communication with the mobile station (150) and an interface unit (104) connected to the network antenna (102) and the relay antenna (103). The antenna system (100) also comprises a local antenna (105) in the mobile communication station (150) for communication with the relay antenna (103) in the main unit (101). The main unit (101) is attachable to and detachable from the mobile communication station (150), while at the same time the relay antenna (103) and the local antenna (105) lack galvanic contact. In an attached state, the relay antenna (103) and the local antenna (105) are electrically connected to each other by means of a capacitive connection, and in a detached state, the relay antenna (103) and the local antenna (105) are electrically connected to each other by an electric far-field connection.

REFERENCES:
patent: 5281970 (1994-01-01), Blaese
patent: 5628049 (1997-05-01), Suemitsu
patent: 5890055 (1999-03-01), Chu et al.
Patent Abstracts of Japan, vol. 16, No. 392, E-1251; Abstract of JP 4-127728 A (NEC Corp.), Apr. 28, 1992.
Bengtsson, Rune; PCT International-Type Search Report, Feb. 23, 1998, pp. 1-3.

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