BR9710929A

Control channel for non-terrestrial cellular mobile telecommunication station

Abstract

"NON-TERRESTRIAL MOBILE MOBILE TELECOMMUNICATION NETWORK". the multidimensional cellular mobile telecommunication system extends the use of existing cellular cellular telecommunication radio frequencies allocated for land-based communications with non-terrestrial mobile subscriber stations by adding a coating of non-terrestrial cells of predetermined geometry and geometrical place in space to the network. cell cell site based on existing land. The polarization of signals produced by non-terrestrial antenna components is a polarization that is different from and preferably substantially orthogonal to the polarization of cellular radiosignals produced by earth-based antennas, such as a horizontal polarization, in order to minimize the possibility of interference vertically polarized ground-based radiosignals. In addition, the control signals exchanged between the non-terrestrial mobile subscriber stations and the non-terrestrial cell site controller are designed to avoid the possibility of interference with earth-based cell site transmitter-receiver pairs. In particular, the control channels used for the non-terrestrial mobile subscriber stations are selected so that the control signals transmitted on those channels are unrecognizable to the land-based mobile subscriber stations and the transmission site-receiver pairs. cell, so that even if transmissions from a non-terrestrial mobile subscriber station reach a land-based mobile subscriber station or the cell site receiver, they cannot be interpreted and are rejected out of reach.

Term

Term ended

Projected expiry passed 5 September 2017, 9 years ago.

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302 members in 17 offices

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