08547929 is referenced by 30 patents and cites 34 patents.

A wireless device transmits a first sounding reference signal on a first cell of a first cell group in parallel with transmission of at least one of a first random access preamble in a second cell group, and a first uplink data packet on a second cell. The wireless device drops a second sounding reference signal in a symbol of the first cell if at least one of the following conditions is satisfied: a second random access preamble is transmitted overlapping the symbol in the first cell group, and a second uplink packet is transmitted overlapping the symbol in the first cell.

Title
Sounding reference signal transmission
Application Number
13/899725
Publication Number
8547929 (B1)
Application Date
May 22, 2013
Publication Date
October 1, 2013
Inventor
Esmael Hejazi Dinan
Herndon
VA, US
Agent
David Grossman
Esmael Dinan
Assignee
Ofinno Technologies
VA, US
IPC
H04W 4/00
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