The invention relates methods for time aligning uplink trans missions by a mobile terminal in
a mobile communication system, and to methods for performing a handover of a mobile …

Abstract A User Equipment (UE) configured for multi-cell communications is disclosed. The
UE includes a processor and instructions stored in memory that is in electronic …

(57) ABSTRACT A wireless device transmits a first signal in a first cell group and transmits a
second signal in a second cell group. The wireless device adjusts a signal transmission …

US10694392B2 - Terminal device, base station device, and method - Google Patents
US10694392B2 - Terminal device, base station device, and method - Google Patents Terminal …

This specification relates to an apparatus and method for performing random access in a
wireless communication sys tem. This specification discloses a mobile station, including a …

(57) ABSTRACT A wireless device receives message (s) configuring transmis sions of
Sounding reference signals on a secondary cell in a secondary cell group. The wireless …

Technology for forming carrier aggregation timing advance groups in a heterogeneous
network (HetNet) is disclosed. One method comprises assigning at least a first component …

A technique, including initiating an access procedure by making from a communication
device an uplink transmission on one component carrier of a plurality of component carriers …

2014-08-12 Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH
INSTITUTE reassignment ELECTRONICS AND TELECOMMUNICATIONS RESEARCH …

Operation of a terminal for determining which time alignment timer is applied to a certain
condition when specific timers operate for each carrier-wave group in the event a wireless …