Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-05-01
2007-05-01
Vo, Nguyen T. (Department: 2618)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C455S452200
Reexamination Certificate
active
10678131
ABSTRACT:
A method of controlling the performance of a radio link between a base transceiver station and a radio terminal for a wireless transmission system is provided. A radio network controller (RNC) monitors a directly observable L-2parameter, and determines a without explicit L2-L1signaling a threshold violation by the L-1parameter for accordingly triggering a status change of the radio link. Namely, a L-2radio resource management algorithm prompts the radio terminal and the RNC to perform a radio resource management action whenever the L-1parameter violates a L-1threshold. Such an action could be directly downgrading or upgrading the transmission rate on the radio link, or a radio link reconfiguration. The L-1parameter may be the radio block error rate r, and the L-2parameter may be the PDU retransmission rate R.
REFERENCES:
patent: 7120448 (2006-10-01), Brouwer
patent: 2004/0110521 (2004-06-01), Soldani et al.
Hudson Robin
Isnard Olivier
Lie Chin Cheong Patrick
Ratovelomanana Frederic
Wang Jianyu
Borden Ladner Gervais LLP
Nortel Networks Limited
Vo Nguyen T.
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