Multiplex communications – Communication over free space – Repeater
Reexamination Certificate
2004-12-24
2010-06-15
Harper, Vincent P (Department: 2617)
Multiplex communications
Communication over free space
Repeater
C370S312000
Reexamination Certificate
active
07738414
ABSTRACT:
The present invention can improve a reception quality of mobile stations and utilize radio resources effectively, by resolving the problem caused when the conventional multicast communications system. The present invention relates to a radio communications system for transmitting same data to a plurality of cells via at least one base station and performing a soft combining or a selective combining on the same data received by a mobile station. The radio communications system includes a controlling unit configured to set up a cycle at which synchronization processing on transmission timing of the same data among the plurality of cells is performed, or an accuracy by which the synchronization processing is performed, for each control apparatus which performs the synchronization processing.
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“3RDGeneration Partnership Project: Technical Specification Group Radio Access Network; Synchronisation in Utran Stage 2 (Release 5)”, 3GPP TS 25.402 V5.1.0, pp. 1-46, 2002.
Ishii Minami
Moon Sung Uk
Nakamura Takehiro
Umesh Anil
Harper Vincent P
NTT DoCoMo Inc.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Pham Timothy
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