Telecommunications – Interference signal transmission
Patent
1995-06-07
1998-09-15
Hudspeth, David R.
Telecommunications
Interference signal transmission
455 63, 455 20, 370489, H04M 1100, H04J 300
Patent
active
058093958
ABSTRACT:
A multichannel radiotelephony system provides two way cordless communications with a plurality of multichannel transceivers portable within a coverage area comprised by a plurality of cells, each associated with a base station and antennas, such as to permit channel frequency reuse in cells within the coverage area. For at least part of the coverage area, the locations of the antennas within the cells and the locations of the base stations are independently mapped, the antennas being associated with active antenna systems and the active antenna systems being connected to the base stations utilizing broadband transmission by means of a fixed bi-directional signal distribution network. The network is connected to the base stations and the antenna systems through suitable interfaces incorporating frequency translation so that available frequency bands in the signal distribution network which will normally be shared with other services, may be utilised. Plural base stations may be co-located. The radio link to the transceivers may be frequency or time division multiplexed, but communication over the network will normally be frequency multiplexed, using separate bands for transmission and reception.
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Hamilton-Piercy Nicholas Francis
Hart George Maynard
O'Leary Edward
Hudspeth David R.
Richardson Scott
Rogers Cable Systems Limited
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