PASSIVE REDIRECTION DEVICE FOR CONSUMPTION METER COMMUNICATION
A method of transmitting and redirecting a radio signal using a data transmission system, the data transmission system including a data collection unit, a radio transmitter being connected to the data collection unit, and a redirection device being arranged at the top of a hollow shaft, the radio transmitter and the data collection unit being arranged in a lower part of the hollow shaft, the method including the steps of the radio transmitter transmitting the radio signal representative of measurement data from the data collection unit, and the redirection device redirecting the radio signal to be received at a communication device. The invention furthermore relates to a data transmission system and a redirection device adapted for operating in accordance with the above mentioned method.
1 . A method of transmitting and redirecting a radio signal via a data transmission system,
wherein said data transmission system comprises
a data collection unit,
a radio transmitter connected to said data collection unit, and
a redirection device arranged at the top of a hollow shaft,
wherein said radio transmitter and said data collection unit are arranged in a lower part of said hollow shaft,
and wherein said method comprises the steps of
transmitting, by said radio transmitter, said radio signal representative of measurement data from said data collection unit, and
redirecting, by said redirection device, said radio signal to be received at a communication device.
2 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said radio transmitter comprises a radio wave emitter adapted for emitting radio waves.
3 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said data collection unit is a utility meter.
4 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said measurement data comprises measured consumption data.
5 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said hollow shaft is a meter pit.
6 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said hollow shaft is a utility shaft.
7 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said method further comprises the step of
receiving, by said radio transmitter, measurement data from said data collection unit.
8 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said data collection unit and said redirection device are separated by a distance corresponding to at least half the vertical distance of said hollow shaft.
9 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said radio transmitter is integrated in data collection unit.
10 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said redirection device comprises a metal cylinder.
11 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said redirection device comprises at least one metallic plate.
12 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 11 , wherein said at least one metallic plate of said redirection device has at least one length that is longer than the wavelength of the radio transmission signals.
13 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 11 , wherein said at least one metallic plate of said redirection device is curved.
14 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said redirection device comprises at least one metallic mesh.
15 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said redirection device comprises at least one Fresnel lens.
16 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said redirection device comprises at least one component which comprises a metamaterial.
17 . The method of transmitting and redirecting a radio signal via a data transmission system according to claim 1 , wherein said redirection device comprises at least one dielectric lens.
18 . A data transmission system for transmitting and redirecting a radio signal,
wherein said data transmission system comprises
a data collection unit,
a radio transmitter connected to said data collection unit, and
a passive redirection device arranged at the top of a hollow shaft,
wherein said radio transmitter and said data collection unit are arranged in a lower part of said hollow shaft,
wherein said radio transmitter is configured for transmitting said radio signal which is representative of measurement data from said data collection unit, and
wherein said redirection device is arranged for redirecting said radio signal to be received at a communication device.
19 . (canceled)
20 . A redirection device for redirecting a radio signal from a radio transmitter positioned in a lower part of a hollow shaft, wherein said redirection device, when positioned at the top of the hollow shaft, is adapted for redirecting a radio signal from said radio transmitter.
21 . (canceled)