Patent · US Active

Data transmission method and device

US9648585B2 · kind B2 · utility

0Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 2012
Grant dateMay 9, 2017
Priority date
Expiry dateJun 8, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W72/563
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Disclosed are a data transmission method and device, used to solve the problem of achieving air interface group calling and multicasting when a base station is connected to a network side via an IP interface; the data transmission method of the present invention comprises: the base station determines a group air interface identifier corresponding to an IP broadcast address or an IP multicast target address; the base station assigns the air interface identifier to a user equipment in the group; and the base station schedules and transmits the air interface data via the air interface identifier.

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