Beam-Time Hopping Modulation System and Method
AssigneeHuawei Technologies Co., Ltd.
InventorsArkady Molev-Shteiman, Xiao-Feng Qi
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Abstract
A system includes an analog front-end configured to process a signal to obtain amplified beams, the signal being formed by pulses of a plurality of beams, pulses of each of the plurality of beams being generated according to a time-hopping modulation scheme, a plurality of radars coupled to the analog front-end, the plurality of radars configured to transmit each of the amplified beams at a different angle, and to receive reflections of the transmitted beams, and a plurality of correlators coupled to the plurality of radars through the analog front-end, the plurality of correlators being configured to process the reflections of the transmitted beams to obtain proximity measurements.
Claims20
A system comprising:
- an analog front-end configured to process a signal to obtain amplified beams, the signal being formed by pulses of a plurality of beams, pulses of each of the plurality of beams being generated according to a time-hopping modulation scheme;
- a plurality of radars coupled to the analog front-end, the plurality of radars configured to transmit each of the amplified beams at a different angle, and to receive reflections of the transmitted beams;
- and
- a plurality of correlators coupled to the plurality of radars through the analog front-end, the plurality of correlators being configured to process the reflections of the transmitted beams to obtain proximity measurements.
A method comprising:
- transmitting a plurality of beams by a plurality of radars, each of the plurality of beams comprising a plurality of pulses and being transmitted at a different angle;
- specifying, by a pseudo-noise (PN) angle generator, pulse positioning over time of a beam of the plurality of beams through applying a time-hopping control scheme to the beam;
- and
- applying a combination of the time-hopping control scheme and a beam-hopping control scheme in the PN angle generator to pulses of the plurality of beams, wherein as a result of applying the combination of the time-hopping control scheme and the beam-hopping control scheme, the pulses of the plurality of beams form a continuous or substantially continuous signal.
A method comprising:
- transmitting, by a plurality of radars, a plurality of beams in a plurality of predetermined directions, each beam comprising a plurality of pulses generated in a beamformer;
- selecting time slots of the plurality of pulses according to a time-hopping control scheme;
- and
- interleaving pulses of the plurality of beams to form a continuous or substantially continuous signal by generating the pulses of the plurality of beams according to a combination of the time-hopping control scheme and a beam-hopping control scheme, the combination of the time-hopping control scheme and the beam-hopping control scheme being generated in a pseudo-noise (PN) angle generator coupled to the beamformer.
Dependencies are inferred from the claim text.