Mobile communication system, mobile terminal, and...

Details Mobile communication system, mobile terminal, and... Mobile communication system, mobile terminal, and...

2005-04-12

2005-04-12

Hudspeth, David (Department: 2681)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S436000, C455S437000, C455S439000

Reexamination Certificate

active

06879831

ABSTRACT:
A mobile terminal is capable of efficiently performing transmission diversity of a PDSCH and a DPCH without increasing the number of bits of control information to be fed back to a base station and rendering a feedback period longer. A feedback information generating portion determines transmission diversity control information on the PDSCH in response to a switching instruction from a control portion, when receiving first PDSCH data during soft handover, based on a receiving state of a signal of a cell for sending the PDSCH data. In addition, when receiving the last PDSCH data during the soft handover, the feedback information generating portion determines the transmission diversity control information on the DPCH in response to the switching instruction from the control portion based on the receiving state after synthesis of the signal of the cell of an active set.

REFERENCES:
patent: 6324401 (2001-11-01), De Hoz Garcia-Bellido et al.
patent: 20020009061 (2002-01-01), Willenegger
patent: 20020115460 (2002-08-01), Rune et al.
patent: 20020160781 (2002-10-01), Bark et al.
patent: 20020164986 (2002-11-01), Briand et al.
patent: 20030069020 (2003-04-01), Speight
patent: 20040087327 (2004-05-01), Guo

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