Femtocell configuration using spectrum sensing

J Lotze, B Ozgul, JJN Serra - US Patent 8,301,139, 2012 - Google Patents
BACKGROUND Global System for Mobile Communications (GSM) tele communication
systems provide wireless communication to mobile devices over a radio access network …

Sensing RF environment to detect change in geographic location of cellular base station

M Hirano, MS McMeekin, A Tariq - US Patent 8,280,366, 2012 - Google Patents
In a traditional mobile telecommunication network, mobile stations (eg, mobile phones)
communicate via an air link with a stationary base transceiverstation (BTS), typically a tower …

System and method for identifying a telecommunication cell based on broadcast cell parameters

MK Islam, JW Wirtanen, O Ekici - US Patent App. 12/639,396, 2011 - Google Patents
BACKGROUND 0002 Femtocells are wireless access points that operate in licensed
spectrum to connect standard mobile devices to a service provider's network using a …

OFDMA-based co-channel femtocell

ME Sahin, H Arslan, I Guvenc, MR Jeong - US Patent 8,340,060, 2012 - Google Patents
A femtocell increases efficiency and coverage of a macrocellular network operating in a co-
channel manner within the macrocell spectrum by selecting subcarriers for its mobile station …

System and method for dynamic frequency selection based on spectrum etiquette

B Ji - US Patent 7,840,187, 2010 - Google Patents
BACKGROUND Wireless communications systems generally use multiple frequencies to
provide greater bandwidth than would be pos sible using a single frequency. Such systems …

System and method for generating a blacklist for femtocells

WD Willey, MK Islam, A Hossain, KH Chan… - US Patent …, 2011 - Google Patents
BACKGROUND 3GPP2 standards are being developed to support femto cells, which
employ Small base stations with a small coverage area. Femtocells might be sold by …

Macro network optimization with assistance from Femto cells

MJ Ho, P Mascarenhas - US Patent 8,693,397, 2014 - Google Patents
BACKGROUND Multiple access wireless communication systems, such as mobile radio
communications systems, periodically require optimization to improve performance …

Periodic reporting for inter-radio access technology location-based handovers from a gsm macrocell to a wcdma femtocell

S Eskicioglu, C Demetrescu - US Patent App. 12/272,929, 2010 - Google Patents
The present invention provides a method for implementation in a mobile unit that is
configured to communicate with a wireless communication system that includes macrocells …

Base station with coordinated multiple air-interface operations

Y Hui, E Park - US Patent 8,295,877, 2012 - Google Patents
a Femtocell is a smaller cellular base station or access point that operates in either licensed
frequencies or, if so desired, in unlicensed frequencies. It is typically designed for use in …

Configuring cellular connectivity

M Rinne, M Uusitalo, A Sorri - US Patent 9,504,036, 2016 - Google Patents
BACKGROUND Modern wireless telecommunication systems aim to effi cient utilization of
the available frequency spectrum So as to maximize capacity and throughput. Multiple …