Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2006-11-07
2010-11-30
Pérez-Gutiérrez, Rafael (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S455000, C370S464000
Reexamination Certificate
active
07843870
ABSTRACT:
Systems and methods for supporting multiple wireless communications technologies are provided. When a first and second base station operate according to different wireless communication technologies on the same carrier frequency in different cells or on different carrier frequencies in the same cell the frame structure of each base station is controlled in such a way that idle periods of transmissions from one base station are aligned with idle periods of the other base station. When the first and second base stations are located in the same cell and operate on the same carrier frequency the frames of the first and second base stations are time-interlaced.
REFERENCES:
patent: 5732076 (1998-03-01), Ketseoglou et al.
patent: 2006/0187876 (2006-08-01), Schmidl et al.
International Search Report and Written Opinion for PCT/US07/23135 dated Feb. 20, 2008.
Clear Wireless LLC
Crowell & Moring LLP
Patel Nimesh
Perez-Gutierrez Rafael
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