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US 2004/0164921 A1Published application
Antenna system
AssigneeBellSouth Intellectual Property Corporation
InventorDavid A. Hill
Life of this patent
Estimating the term…
Abstract
An antenna system that includes a directional antenna designed to reduce the occurrence of side lobes, thus reducing the possibility of interference with other radio frequencies is disclosed. The directional antenna includes an antenna member and a reflecting tube. The reflective tube is sleeved over the antenna member. The reflective serves to block unwanted radial side lobes. The directional antenna can also include provisions that assist in suspending the antenna member within the reflective tube.
Claims21
An antenna system comprising:
- (a) a transmission tower;
- (b) a donor antenna mounted on the transmission tower;
- (c) a signal processing device mounted on the transmission tower;
- (d) a coverage antenna mounted on the transmission tower;
- (e) a first cable connecting the donor antenna to the signal processing device;
- and
- (f) a second cable connecting the signal processing device to the coverage antenna,
- wherein the donor antenna comprises an antenna member having at least one element and a reflecting member surrounding the antenna member longitudinally.
5 more elements
An antenna system comprising:
- (a) a first transmission tower;
- (b) a donor antenna mounted on the first transmission tower;
- (c) a second transmission tower;
- (d) a coverage antenna mounted on the second transmission tower;
- (e) a signal processing device mounted on one of the first and the second transmission towers;
- (f) a first cable connecting the donor antenna to the signal processing device;
- and
- (g) a second cable connecting the signal processing device to the coverage antenna,
- wherein the donor antenna comprises an antenna member having at least one element and a reflecting member surrounding the antenna member longitudinally.
6 more elements
An antenna system comprising:
- (a) a transmission tower;
- and
- (b) a donor antenna mounted on the transmission tower,
- wherein the donor antenna comprises
- an antenna member having at least one element and having a longitudinal axis, wherein the antenna member produces side lobes characterized by a size and an extent extending radially away from the longitudinal axis and forward and rear lobes characterized by a size and an extent along the longitudinal axis;
- and
- a reflecting member surrounding the antenna member and not in contact therewith, wherein the reflecting member decreases the size and the extent of the side lobes and increases the size and the extent of the forward and rear lobes,
- wherein the reflecting member is substantially continuous and extends along the longitudinal axis.
5 more elements
An antenna system comprising:
- (a) a transmission tower;
- and
- (b) a donor antenna mounted on the transmission tower, wherein the donor antenna comprises
- an antenna member having at least one element and having a longitudinal axis, wherein the antenna member produces side lobes characterized by a size and an extent extending radially away from the longitudinal axis and forward and rear lobes characterized by a size and an extent along the longitudinal axis;
- a reflecting member surrounding the antenna member longitudinally and not in contact therewith, wherein the reflecting member decreases the size and the extent of the side lobes and increases the size and the extent of the forward and rear lobes;
- and
- a spacing member disposed between the antenna member and the reflecting member.
4 more elements
An antenna system comprising:
- (a) a first transmission tower;
- (b) a donor antenna mounted on the first transmission tower,
- wherein the donor antenna comprises
- an antenna member having at least one element and having a longitudinal axis, wherein the antenna member produces side lobes characterized by a size and an extent extending radially away from the longitudinal axis and forward and rear lobes characterized by a size and an extent along the longitudinal axis;
- and
- a reflecting member surrounding the antenna member and not in contact therewith, wherein the reflecting member decreases the size and the extent of the side lobes and increases the size and the extent of the forward and rear lobes,
- wherein the reflecting member is substantially continuous and extends along the longitudinal axis;
- (c) a second transmission tower located near the first transmission tower;
- (d) a signal processing device mounted on one of the first and second transmission towers, wherein the signal processing device is in communication with the donor antenna;
- and
- (e) a coverage antenna mounted on the second transmission tower, wherein the coverage antenna is in communication with the signal processing device.
8 more elements
Dependencies are inferred from the claim text.