Handoff in cellular systems
ND Tripathi, JH Reed… - IEEE personal …, 1998 - ieeexplore.ieee.org
Handoff is an essential element of cellular communications. Efficient handoff algorithms are
a cost-effective way of enhancing the capacity and QoS of cellular systems. This article …
a cost-effective way of enhancing the capacity and QoS of cellular systems. This article …
Coordinated satellite-terrestrial frequency reuse
PD Karabinis, R Singh, GR Olexa… - US Patent 6,892,068, 2005 - Google Patents
A system and method of operation for efficiently reusing and/or sharing at least a portion of
the frequency spectrum between a first satellite spot beam and a second satellite spot beam …
the frequency spectrum between a first satellite spot beam and a second satellite spot beam …
Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and …
PD Karabinis, R Singh - US Patent 6,859,652, 2005 - Google Patents
A cellular communications system comprising a space based system comprising a first set of
cells, and a ground based system comprising a second set of cells. The space and ground …
cells, and a ground based system comprising a second set of cells. The space and ground …
Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and …
PD Karabinis, R Singh - US Patent 7,706,746, 2010 - Google Patents
A cellular communications system comprising a space based system comprising a first set of
cells, and a ground based system comprising a second set of cells. The space and ground …
cells, and a ground based system comprising a second set of cells. The space and ground …
Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and …
PD Karabinis, R Singh - US Patent 7,831,251, 2010 - Google Patents
A cellular communications system comprising a space based system comprising a first set of
cells, and a ground based system comprising a second set of cells. The space and ground …
cells, and a ground based system comprising a second set of cells. The space and ground …
Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and …
PD Karabinis, R Singh - US Patent 7,577,400, 2009 - Google Patents
A cellular communications system comprising a space based system comprising a first set of
cells, and a ground based system comprising a second set of cells. The space and ground …
cells, and a ground based system comprising a second set of cells. The space and ground …
Distributed user association with grouping in satellite–terrestrial integrated networks
The satellite–terrestrial integrated network (STIN) has been envisioned as an emerging
architecture to provide global anytime anywhere network access, and satisfy transmission …
architecture to provide global anytime anywhere network access, and satisfy transmission …
High power short message service using broadcast control channel
S Chennakeshu, N Rydbeck, AA Hassan… - US Patent …, 1998 - Google Patents
57 ABSTRACT A method and System for increasing the Signal margin of a
radiocommunication link to provide a short message Service which is reliable, even under …
radiocommunication link to provide a short message Service which is reliable, even under …
Coordinated satellite-terrestrial frequency reuse
PD Karabinis, R Singh, GR Olexa… - US Patent 7,636,567, 2009 - Google Patents
A system and method of operation for efficiently reusing and/or sharing at least a portion of
the frequency spectrum between a first satellite spot beam and a second satellite spot beam …
the frequency spectrum between a first satellite spot beam and a second satellite spot beam …
Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and …
PD Karabinis, R Singh - US Patent 7,907,893, 2011 - Google Patents
A cellular communications system comprising a space based system comprising a first set of
cells, and a ground based system comprising a second set of cells. The space and ground …
cells, and a ground based system comprising a second set of cells. The space and ground …