The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2025
Filed:
Dec. 02, 2019
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Henrik Sjöland, Lund, SE;
Leif Wilhelmsson, Lund, SE;
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Abstract
A wireless communication device () comprises a first transceiver () comprising a first frequency synthesizer () which comprises a first digitally controlled oscillator (DCO) and a crystal oscillator (XO). The wireless communication device () further comprises a second transceiver () comprising a wakeup receiver (Rx), a second transmitter (Tx) and a second digitally controlled oscillator (DCO) connected to the wakeup receiver (Rx) and second transmitter (Tx). The wireless communication device () further comprises a control unit () configured to control operation of the wireless communication device. The second transmitter (Tx) is configured to transmit periodically a signal to a base station. The signal is modulated by a code identifying the wireless communication device () and transmitted at a frequency set by the second digitally controlled oscillator (DCO).