Channel sounding using carrier aggregation

US10547397B2 · kind B2 · utility

Assignee

• AT&T Intellectual Property I, L.P. · US

Inventors

• Aditya Chopra · Austin, US
• Saeed Ghassemzadeh · Andover, US
• Arunabha Ghosh · Austin, US
• Ralf Bendlin · Cedar Park, US
• Salam Akoum · Austin, US
• SaiRamesh Nammi · Stockholm, SE
• Thomas Novlan · Dallas, US
• Xiaoyi Wang · 流花街道, CN

Key dates

• Filing date: Dec 22, 2017
• Grant date: Jan 28, 2020
• Expiry date: Feb 2, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B17/391
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

An example method may include a processing system of a channel sounding receiver having a processor receiving from a base station, at a location, a channel sounding waveform via a plurality of carriers, sampling the channel sounding waveform via the plurality of carriers to generate a plurality of per-carrier time domain sample sets, and processing the plurality of per-carrier time domain sample sets via a plurality of discrete Fourier transform modules to provide a plurality of per-carrier frequency domain sample sets. The method may further include the processing system aligning the plurality of per-carrier frequency domain sample sets in gain and phase to provide a combined frequency domain sample set and measuring a channel property at the location based upon the combined frequency domain sample set.