Apparatus and method for selecting modulation and filter...

Details Apparatus and method for selecting modulation and filter... Apparatus and method for selecting modulation and filter...

2011-04-12

2011-04-12

Ngo, Ricky (Department: 2464)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S252000, C455S561000

Reexamination Certificate

active

07924775

ABSTRACT:
A base station for use in a wireless network that communicates according to a multi-carrier protocol. The base station receives an uplink signal transmitted by a first subscriber station. The first subscriber station transmits using a configurable spectral shaping filter and a selectable modulation order. The base station determines a required bandwidth efficiency associated with the first subscriber station and, in response to the determination, selects a first modulation order and a first filter parameter to be used by the first subscriber station. Advantageously, the base station selects the first modulation order and the first filter parameter in order to maximize a power efficiency of the first subscriber station while maintaining the required bandwidth efficiency.

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