×

Wireless communication in multi-RAT system

  • US 9,967,066 B2
  • Filed: 02/11/2015
  • Issued: 05/08/2018
  • Est. Priority Date: 10/18/2012
  • Status: Active Grant
First Claim
Patent Images

1. A multi-RAT (radio access technologies) wireless communication system, comprising:

  • a terminal;

    a first base station wirelessly communicating with the terminal via a first RAT; and

    a second base station wirelessly communicating with the terminal via a second RAT;

    the first and second RATs each having a Packet Data Control Protocol (PDCP) or equivalent layer as an upper protocol layer, and a Radio Link Control (RLC) or equivalent layer and a Media Access Control (MAC) or equivalent layer as lower protocol layers associated with the upper protocol layer;

    the first and second base stations maintaining entities at each of a plurality of the protocol layers for configuring one or more radio bearers for wireless communication with the terminal; and

    wherein the one or more radio bearers are carried by both the first and second RATs, a radio bearer being configured in the first and second base stations with a same entity at the PDCP or equivalent layer for the first and second RATs, and with different entities at one of the Radio Link Control (RLC) or equivalent, and the Media Access Control (MAC) or equivalent, protocol layers for the first and second RATs.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×