Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-03-29
2011-03-29
Gesesse, Tilahun (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S403000, C455S552100, C455S553100
Reexamination Certificate
active
07917151
ABSTRACT:
A base station of a mobile communication network is connected to a core network and is operable in a normal mode and in a direct mode. The base station detects a request originating from a first user equipment to communicate with a second user equipment. The first user equipment is in direct reach of the base station. The base station establishes a communication link between the first and the second user equipment, and checks if the second user equipment is also within direct reach of the base station. The base station operates the communication link in direct mode, if yes, and operates the communication link in normal mode, otherwise.
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European Search Report for Application No. 06 02 2503, completed Apr. 13, 2007.
Gessner Christina
Mohr Karsten
Pabst Alexander
Tietscher Gerald
Ditthavong Mori & Steiner, P.C.
Gesesse Tilahun
Rohde & Schwarz GmbH & Co. KG
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