Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2001-09-10
2009-08-04
Eisen, Alexander (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S464000, C455S451000, C455S452100, C455S452200, C455S455000, C455S507000, C455S509000, C370S338000, C370S310100, C370S310200, C370S311000, C370S312000, C709S226000, C709S229000
Reexamination Certificate
active
07570952
ABSTRACT:
A central controller (CC) [22] of a wireless Local area network (LAN) [20], in conjunction with an association operation with a mobile terminal [24] and upon receiving from the mobile terminal (MT) a first control signal [CS1] of a sequence of control signals involved in the association operation, pre-reserves a MAC resource for transmission of at least a further control signal in the sequence. The MAC resource for the further control signal is pre-reserved prior to information for the further control signal being stored in a transmission buffer [58] of the mobile terminal. In essence, judging from the nature of the first control signal, the central controller (CC) anticipates eventuality of the further control signal and pre-reserves the MAC resource for the further control signal. The central controller (CC) pre-reserves the MAC resource to avoid transmission of a separate message to request a MAC resource for the further control signal. The association operation for which the pre-reservation occurs can be, for example, an initial association scenario or a handover scenario in which the mobile terminal (MT) is handed over to the central controller (CC).
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International Search Report mailed Jan. 7, 2003 in corresponding PCT application No. PCT/SE02/01523.
Almehag Lorens
Lindskog Jan
Woxberg Fredrik
Eisen Alexander
Nixon & Vanderhye P.C.
Telefonaktiebolaget LM Ericsson (publ)
Win Aung T
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