Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2008-04-15
2008-04-15
Perez-Gutierrez, Rafael (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S025000, C455S063100, C455S063400, C370S328000, C370S334000
Reexamination Certificate
active
07359735
ABSTRACT:
A radio communication apparatus enhances cell throughput by adaptive selection of spatially multiplexed channels in consideration of interferences in a local cell and reducing load for calculation of array weights by storing them in advance as fixed values and outputting fixed beams. To reduce the calculation load for the adaptive selection of spatially multiplexed channels that takes interferences within the local cell into consideration, the radio communication apparatus adopts a packet scheduling method that selects a combination of fixed beams and determines the number of spatially multiplexed channels, based on the fixed beams for mobile apparatuses with packets waiting to be transmitted and pre-calculated correlative quantities of inter-beam interferences between these fixed beams.
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Fujishima Kenzaburo
Kuwahara Mikio
Meguro Koji
Okamoto Toru
Taira Masanori
Antonelli, Terry Stout & Kraus, LLP.
González Amancio
Hitachi , Ltd.
Hitachi Advanced Systems Corporation
Hitachi Communication Technologies Ltd.
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