1
Debasish Sarkar, Sachin R Vargantwar, Siddharth S Oroskar: Variable auxiliary pilot trigger and performance. Sprint Spectrum, November 9, 2010: US07830854 (51 worldwide citation)

A method and system is disclosed for triggered operation of a variable auxiliary pilot based on RF conditions. An access terminal operating in a wireless communication system may switch on its auxiliary pilot in response to receiving a first threshold number of power-up commands from a serving base ...


2
Siddharth S Oroskar: Selective simultaneous communication with a wireless communication device based on location and mobility. Sprint Spectrum, April 17, 2012: US08160611 (15 worldwide citation)

A radio access network (RAN) may base the number of wireless coverage areas that it uses for substantially simultaneous communication with a wireless communication device (WCD) on the location and/or movement of the WCD. Thus, for instance, if the WCD has been in a particular geographical location f ...


3
Siddharth S Oroskar: Codec selection for wireless communication. Sprint Spectrum, July 9, 2013: US08483699 (12 worldwide citation)

A radio access network (RAN) device may receive a call setup request from a wireless communication device (WCD) seeking to set up a call. In response to receiving the call setup request, it may be determined that (i) the WCD is capable of conducting the call using either a first codec or a second co ...


4
Bhagwan Khanka, Manoj Shetty, Siddharth S Oroskar, Jasinder P Singh, Sachin R Vargantwar: Method and system for adaptive hybrid automatic repeat request protocols based on network conditions. Sprint Spectrum, July 12, 2011: US07978626 (11 worldwide citation)

Methods and systems for adaptive hybrid automatic repeat request (H-ARQ) protocols are disclosed. The protocols preferably adapt to changing network conditions between a client node and an access node by omitting the transmission of certain messages when network conditions are determined to be favor ...


5
Debasish Sarkar, Sachin R Vargantwar, Siddharth S Oroskar, Manoj Shetty: Dynamic addition of carrier frequency to a wireless coverage area in response to low load. Sprint Spectrum, September 18, 2012: US08270988 (11 worldwide citation)

A method is disclosed for implementing an overlay carrier frequency in a wireless coverage area in response to low load in the coverage area. Normally, an carrier frequency may be added in response to high load. However, the disclosed method involves adding a carrier frequency in response to low loa ...


6
Siddharth S Oroskar: Transmission of channel assignment messages based on wireless coverage area characteristics. Sprint Spectrum, February 4, 2014: US08644178 (10 worldwide citation)

A radio access network (RAN) may limit the number of channel assignment messages that it transmits to a wireless communication device (WCD) when the quality of one or more wireless coverage areas available to the WCD is impaired. For example, if the paging channel utilization of a given wireless cov ...


7
Deveshkumar N Rai, Manoj Shetty, Sachin R Vargantwar, Siddharth S Oroskar, Debasish Sarkar: Method and system of paging a mobile station. Sprint Spectrum, June 19, 2012: US08204517 (10 worldwide citation)

An access network may identify paging areas based on a reference location (e.g., a mobile station's last known location), where each paging area includes at least one coverage area. The access network may then determine paging-channel occupancies for coverage areas in at least identified paging area ...


8
Manoj Shetty, Sachin R Vargantwar, Siddharth S Oroskar, Ashvini G Canjeevaram, Deveshkumar Rai: Method and system for vertical handoff with target traffic channel setup conveyed via source channel. Spring Spectrum, February 26, 2013: US08385216 (9 worldwide citation)

A method and system for vertical handoff of a mobile station from a first-protocol RAN to a second-protocol RAN. The method and system provide a make-before-break vertical handoff, by having the first-protocol RAN (i) acquire, on behalf of the mobile station, a traffic channel assignment defining on ...


9
Sachin R Vargantwar, Siddharth S Oroskar, Manoj Shetty, Ashvini G Canjeevaram, Deveshkumar Rai: Method and system for optimizing frequency allocation during handoff. Sprint Spectrum, January 31, 2012: US08107961 (9 worldwide citation)

A method and system is disclosed for optimizing handoff of access terminals. In particular, when (i) a given access terminal must switch from a first channel band in a first coverage area to a second channel band in order to hand off to a second coverage area, and (ii) there are no available identif ...


10
Siddharth S Oroskar, Srikanth Pulugurta, Maulik K Shah: Active set management based on mobile station battery power. Sprint Spectrum, September 3, 2013: US08526906 (9 worldwide citation)

Exemplary methods and systems are disclosed herein to adjust active-set parameters based on the remaining battery life of a mobile station, generally in order to conserve battery power when the battery is low. An exemplary method involves: (a) a mobile station determining a battery-power level of th ...