Patent · US Active

Test apparatus and test method

US9699753B1 · kind B1 · utility

1Cited by

3References

18Claims

0Family size

Assignee

Rohde & Schwarz GmbH & Co. KG · DE

Inventors

Jia-Chi You · Nanjing, CN
Henry Gropp · Munich, DE
Feng Xie · Shanghai, CN
Karsten Friedrich · Haar, DE
Claudiu Krakowski · Drolshagen, DE

Key dates

Filing date	Feb 18, 2016
Grant date	Jul 4, 2017
Priority date	—
Expiry date	Feb 18, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04W24/06
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A test apparatus for testing a base station of a wireless communication system, comprises a downlink port, which receives a downlink signal from the base station, an uplink port, which emits an uplink signal to the base station, a signal processing unit, which is coupled to the downlink port and analyzes the downlink signal for timing information and generates a timing synchronization signal based on the downlink signal, and a signal generator, which is coupled to the signal processing unit and the uplink port and generates a predetermined signal frame and emits the generated predetermined signal frame based on the synchronization signal via the uplink port to the base station.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.