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
Bhagwan Singh Khanka, Sachin R Vargantwar, Maulik K Shah, Jasinder Pal Singh: Using wireless links to offload backhaul communications. Sprint Communications Company, January 22, 2013: US08358577 (15 worldwide citation)

What is disclosed is a method of operating a communication system. The communication system includes wireless access nodes and a network control system, where user devices and the wireless access nodes communicate over wireless links, and the wireless access nodes and the network control system comm ...


3
Sachin R Vargantwar: Dynamic adjustment of reverse-link rate-control parameters. Sprint Spectrum, August 9, 2016: US09413677 (13 worldwide citation)

A method and system is disclosed for dynamic adjustment of reverse-link rate-control parameters. An access terminal in a wireless communication system that includes a base station will operate in a state in which the access terminal responds to receiving reverse-noise messages from the base station ...


4
Siddarth S Oroskar, Sachin R Vargantwar, Manoj Shetty, Ashvini Ganesh G Canjeevaram: Multi-sector rate control. Sprint Spectrum, February 8, 2011: US07885239 (13 worldwide citation)

An improved mechanism for managing allocation of air interface timeslots for transmission of data to access terminals. When an access terminal requests an access network to transmit data to the access terminal in a first sector, the access terminal will identify within its request a second sector th ...


5
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 ...


6
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 ...


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
Sachin R Vargantwar: Method and system for reducing resource consumption to extend battery life based on an estimated time to destination. Sprint Spectrum, November 19, 2013: US08588870 (9 worldwide citation)

A method and system for reducing resource consumption to extend battery life based on an estimated time to a destination location is provided. A mobile station having mobile station resources, and having a battery that provides power to the mobile station resources for executing applications, is loc ...


9
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 ...


10
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 ...