Patent · US Active

Communication method and apparatus

US11277785B2 · kind B2 · utility

1Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2019
Grant dateMar 15, 2022
Priority date
Expiry dateFeb 26, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W74/0833
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Embodiments of this application relate to the field of wireless communications technologies, and provide an access method, a switch method, and an apparatus. The access method includes: receiving, by a terminal, a system message via a downlink carrier, where the system message includes information used to indicate a frequency channel number of a second uplink carrier; and initiating, by the terminal, random access via the second uplink carrier, where a frequency channel number of the downlink carrier belongs to a first frequency band, and a frequency channel number of the second uplink carrier belongs to a second frequency band.

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