Cellular communications systems
AssigneeCelletra Ltd.
InventorJoseph Shapira
Life of this patent
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Abstract
A novel base station for cellular wireless communications based on a modular structure is provided. The modular cellular wireless communication base station includes a plurality of active radiator modules (ARM's) located at a desired antenna location, a beam forming network controlling relative amplitudes and phases of each of the modules and an RF front end. Each module (100) includes at least one antenna (ant) for transmitting and receiving, a transmitter having a power amplifier, and receiver.
Claims53
A modular cellular wireless communication base station comprising a plurality of active radiator modules (ARM's) located at a desired antenna location, each module comprising:
- at least one subscriber antenna for transmitting and receiving, a transmitter comprising a power amplifier, and a receiver;
- a beam forming network controlling relative amplitudes and phases of each of said modules;
- and
- an RF front end transmitting over a low power link with said plurality of active radiator modules via said beam forming network and receiving over a lower power link via a low noise amplifier.
A modular cellular communication base station comprising:
- a plurality of active radiator modules (ARM's) located at a desired antenna location, each module comprising at least one antenna for transmitting and receiving, a transmitter comprising a power amplifier, and a receiver;
- a beam forming network controlling relative amplitudes and phases of each of said modules;
- and
- an RF front end transmitting over a low power link with said plurality of active radiator modules via said beam forming network and receiving over a lower power link via a low noise amplifier;
- wherein at least one of said active radiator modules comprising a transmit antenna and first and second receive antenna elements;
- and
- wherein said plurality of active radiator modules are configured for a width less than 0.7 wavelengths, for forming a multitude of beams in a horizontal plane.
A modular cellular communication base station comprising:
- a plurality of active radiator modules (ARM's) located at a desired antenna location, each module comprising at least one antenna for transmitting and receiving, a transmitter comprising a power amplifier, and a receiver;
- a beam forming network controlling relative amplitudes and phases of each of said modules;
- and
- an RF front end transmitting over a low power link with said plurality of active radiator modules via said beam forming network and receiving over a lower power link via a low noise amplifier;
- wherein at least one of said active radiator modules comprising a transmit antenna and first and second receive antenna elements;
- and
- wherein said plurality of active radiator modules are configured for a height less than 1 wavelength, for forming a broad side radiation from a vertically stacked column of said plurality of active radiator modules.
A modular cellular communication base station comprising:
- a plurality of active radiator modules (ARM's) located at a desired antenna location, each module comprising at least one antenna for transmitting and receiving, a transmitter comprising a power amplifier, and a receiver;
- a beam forming network controlling relative amplitudes and phases of each of said modules;
- and
- an RF front end transmitting over a low power link with said plurality of active radiator modules via said beam forming network and receiving over a lower power link via a low noise amplifier;
- and
- wherein at least one of said receiver and said transmitter outputs to a digital sample bus that is sampled by a communications channel card.
A modular wireless communication base station comprising:
- a plurality of active radiator modules located at a desired antenna location, each of said active radiator modules comprising at least one transmit antenna element, a transmit amplifier, at least one receive antenna element, and a receive amplifier;
- and
- a beamforming network coupled to said active radiator modules;
- wherein said beamforming network transforms transmit signals into a form suitable for producing a radiation pattern by said at least one transmit antenna element of said active radiator modules;
- and
- wherein said beamforming network transforms receive signals generated by said at least one receive antenna element of said active radiator module, in response to receiving a radiation pattern, into a form suitable for processing.
Dependencies are inferred from the claim text.