Communication device and a method for hybrid beamforming
AssigneeApple Inc.
InventorFang Yuan
Life of this patent
Estimating the term…
Abstract
A method and a communication device adapted for designing a hybrid beamforming (HB) precoding used in a mobile communication system with an antenna array, the method including aggregating spatial channel vectors received by the antenna array; performing a linear factorization of the aggregation; truncating the linear factorization to generate truncated channels; and designing the HB precoding based on the truncated channels, wherein the HB precoding includes a linearly generated analog beamforming component and a linearly generated digital beamforming component.
Claims25
A circuit arrangement for a communication device adapted to design a hybrid beamforming (BB) precoding comprising circuitry configured to:
- aggregate spatial channel vectors;
- perform a linear factorization of the aggregated spatial channel vectors;
- truncate the linear factorization to generate truncated channels;
- generate an analog beamforming component from the truncated channels;
- and
- generate a digital beamforming component from the truncated channels.
A communication device configured to design a hybrid beamforming (BB) precoding, comprising:
- an antenna array configured to receive spatial channel vectors from one or more devices;
- aggregation circuitry configured to aggregate the received spatial channel vectors;
- factorization circuitry configured to perform a linear factorization of the aggregated received spatial channel vectors;
- truncation circuitry configured to truncate the linear factorization to generate truncated channels;
- and
- beamforming generation circuitry configured to generate analog and digital beamforming components from the truncated channels.
A method adapted for designing a hybrid beamforming (HB) precoding used in a mobile communication system comprising an antenna array, the method comprising:
- aggregating spatial channel vectors received by the antenna array;
- performing a linear factorization of the aggregation;
- truncating the linear factorization to generate truncated channels;
- and
- designing the HB precoding based on the truncated channels, wherein the HB precoding comprises:
- a linearly generated analog beamforming component;
- and
- a linearly generated digital beamforming component.
A non-transitory computer readable medium with program instructions, which when executed, cause a processor of a device with an antenna array to design a hybrid beamforming (BB) precoding, comprising:
- aggregating spatial channel vectors received by the antenna array;
- performing a linear factorization of the aggregation;
- truncating the linear factorization to generate truncated channels;
- and
- designing the HB precoding utilizing the truncated channels, wherein the HB precoding comprises:
- a linearly generated analog beamforming component;
- and
- a linearly generated digital beamforming component.
Dependencies are inferred from the claim text.