Multiplex communications – Duplex – Communication over free space
Reexamination Certificate
2000-11-21
2008-10-21
Backer, Firmin (Department: 2616)
Multiplex communications
Duplex
Communication over free space
C370S280000, C375S138000
Reexamination Certificate
active
07440422
ABSTRACT:
The present invention proposes a method for data transmission in a cellular telecommunication system, in which system data are transmitted in units of bursts, each burst occupying a time slot (TS[j]) of one of consecutive frames (F[i]), each respective frame comprising a predetermined number (n) of time slots (TS[j]), j={(0, . . . , n−1}), and, within a single time slot (TS[j]) of each frame (F[i]), data can be transmitted between a first transceiver device (BS) and a respective one of a plurality of second transceiver devices (MS) in a first transmission direction (DL) from said first transceiver device (BS) to said respective second transceiver device (MS) or in a second transmission direction (UL) from said respective second transceiver device (MS) to said first transceiver device (BS), wherein during a first frame (F[i]) of consecutive frames respective second transceiver devices (MS) perform transmission with said first transceiver device (BS) during a time slot (TS[k]) assigned thereto for transmission, and during a subsequent second frame (F[l=1]) of said consecutive frames, respective second transceiver devices (MS) perform transmission with said first transceiver device (BS) during a different time slot (TS[1]) assigned thereto for transmission, with 0≦k, 1≦n−1 and k#1.
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Alvesalo Antero
Hakkinen Hannu
Holma Harri
Backer Firmin
Nguyen Phuongchau B
Nokia Corporation
Squire Sanders & Dempsey
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