(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 …

Methods and apparatus' of determining radio link quality are disclosed. According to various
implementations, a user equipment detects an out-of-synchronization condition cor …

A grant that includes a resource allocation for a subframe set may be communicated. The
subframe set may include a subframe resource and another subframe resource following the …

Abstract Systems and methods for using a communication system in a spectrum are
provided. For example, a random access or RACH procedure may be performed where the …

Methods and apparatus' of determining radio link quality are disclosed. According to various
implementations, information indicating the time-frequency blocks to be monitored by a UE …

Embodiments contemplate channel access systems and methods for cognitive relaying in
unlicensed and lightly licensed bands. Embodiments contemplate managing nodes of a …

The invention relates to an apparatus including at least one processor and at least one
memory including a computer program code, the at least one memory and the computer …

Methods and apparatuses are described in which an unlicensed spectrum is used for Long
Term Evolution (LTE) communications. One method includes performing a clear channel …

BACKGROUND 0002 The following abbreviations that may be found in the specification
and/or the drawing figures are defined as follows: 0003) 3GPP third generation partnership …

(57) ABSTRACT A method for generating a Physical Layer Convergence Pro tocol Packet
Data Unit (PPDU) having a preamble and a payload for television white space transmission …