Patents by Inventor SAPTARSHI CHAUDHURI
SAPTARSHI CHAUDHURI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9596609Abstract: This disclosure relates generally to wireless communication networks, and more particularly to methods and systems for determining radio coverage in wireless communication networks. In one embodiment, a method for determining radio coverage in a wireless communication network is disclosed. The method includes categorizing each of a plurality of micro zones within coverage area of a Base Station (BS) as one of a User Equipment (UE) micro zone and a blind micro zone based on signal measurement reports associated with the plurality of micro zones. The method further includes estimating signal quality of a blind micro zone within the plurality of micro zones based on signal quality of at least one set of neighboring micro zones surrounding the blind micro zone.Type: GrantFiled: June 23, 2015Date of Patent: March 14, 2017Assignee: WIPRO LIMITEDInventors: Saptarshi Chaudhuri, Avijit Manna, Shyam Sundar Pal
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Publication number: 20170055185Abstract: This disclosure relates generally to wireless communication networks, and more particularly to methods and systems for managing X2 links in wireless communication networks. In one embodiment, a method includes computing a set of configuration parameters associated with at least one Neighboring Base Station (NBS) using measurement reports received from a plurality of User Equipment (UEs). Thereafter, the method includes determining feasibility of setting up at least one X2 link between a Serving Base Station (SBS) and the at least one NBS based on at least one configuration parameter. Based on the feasibility, the at least one X2 link are created by performing one of activation of an X2 link and initiation of setup of an X2 link for each of the at least one X2 link. Finally, the method includes consolidating the at least one of X2 links based on associated current usage and associated predicted future usage.Type: ApplicationFiled: October 16, 2015Publication date: February 23, 2017Inventors: Saptarshi CHAUDHURI, Avijit MANNA, Shyam Sundar PAL
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Patent number: 9510258Abstract: A method and system for performing a handover in a wireless broadband network is disclosed. The method comprises receiving, measurement reports from one or more User Equipment (UE) associated with a serving base station (BS); determining occurrence of one or more handover event types based on the one or more measurement reports; counting a number of occurrences of each of the one or more handover event types within a predefined period; determining a consistency count for each of the one or more handover event types based on the number of occurrences of the one or more handover event types; and performing a handover based on a comparison between the consistency count for each of the one or more handover event types and associated threshold consistency counts for the one or more handover event types.Type: GrantFiled: September 4, 2015Date of Patent: November 29, 2016Assignee: Wipro LimitedInventors: Saptarshi Chaudhuri, Irfan Baig
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Publication number: 20160285709Abstract: A method and system for determining signal penetration of one or more neighbor base stations is disclosed. The method comprises: receiving one or more measurement reports from one or more UEs associated with a serving base station, wherein the one or more measurement reports comprise signal strength values of the one or more neighbor base stations; identifying a location of each of the one or more UEs based on the one or more measurement reports; determining a distance between one or more pairs of UEs based on the location of the each UE; defining one or more penetration areas based on the one or more distances between the one or more pairs of UEs; and determining signal penetration in the one or more penetration areas based on the one or more pairs of UEs associated with each of the penetration areas.Type: ApplicationFiled: June 23, 2015Publication date: September 29, 2016Applicant: Wipro LimitedInventors: Saptarshi CHAUDHURI, Avijit MANNA, Shyam Sundar PAL
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Publication number: 20160269912Abstract: This disclosure relates generally to wireless communication networks, and more particularly to methods and systems for determining radio coverage in wireless communication networks. In one embodiment, a method for determining radio coverage in a wireless communication network is disclosed. The method includes categorizing each of a plurality of micro zones within coverage area of a Base Station (BS) as one of a User Equipment (UE) micro zone and a blind micro zone based on signal measurement reports associated with the plurality of micro zones. The method further includes estimating signal quality of a blind micro zone within the plurality of micro zones based on signal quality of at least one set of neighboring micro zones surrounding the blind micro zone.Type: ApplicationFiled: June 23, 2015Publication date: September 15, 2016Applicant: Wipro LimitedInventors: Saptarshi Chaudhuri, Avijit Manna, Shyam Sundar Pal
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Patent number: 9445320Abstract: A method and system for automatically updating a neighbor list associated with a serving base station is disclosed. The method involves receiving a measurement report from a User Equipment (UE) associated with the serving base station, wherein the measurement report comprises at least one relative signal strength measurement between the UE and each of a plurality of neighboring base stations; comparing the at least one relative signal strength measurement between the UE and the plurality of neighboring base stations with a current signal strength between the UE and the serving base station; identifying at least one of the plurality of neighboring base stations having a greater relative signal strength with respect to the UE than the serving base station a predefined number of times based on the comparison; and updating the neighbor list associated with the serving base station with the identified at least one neighboring base stations.Type: GrantFiled: March 26, 2015Date of Patent: September 13, 2016Assignee: Wipro LimitedInventors: Saptarshi Chaudhuri, Irfan Baig
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Patent number: 9425930Abstract: A method, system, and non-transitory computer-readable storage medium for managing inter-cell interference in a wireless network is provided. The method may be executed by at least one processor at a small cell gateway and may include receiving, uplink interference power corresponding to a first small cell base station (SCBS). The method may further include receiving neighboring cell information of the first SCBS, the neighboring cell information including information on a first plurality of SCBSs neighboring the first SCBS. The method may further include determining based on the received uplink interference power, that the first SCBS is experiencing inter-cell interference and determining a second plurality of SCBSs from among the first plurality of SCBSs that are interfering with the first SCBS. The method may further include adjusting uplink power allocation corresponding to a second SCBS from among the second plurality of SCBSs.Type: GrantFiled: December 10, 2015Date of Patent: August 23, 2016Assignee: WIPRO LIMITEDInventors: Saptarshi Chaudhuri, Irfan Baig
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Publication number: 20160234734Abstract: A method and system for automatically updating a neighbor list associated with a serving base station is disclosed. The method involves receiving a measurement report from a User Equipment (UE) associated with the serving base station, wherein the measurement report comprises at least one relative signal strength measurement between the UE and each of a plurality of neighboring base stations; comparing the at least one relative signal strength measurement between the UE and the plurality of neighboring base stations with a current signal strength between the UE and the serving base station; identifying at least one of the plurality of neighboring base stations having a greater relative signal strength with respect to the UE than the serving base station a predefined number of times based on the comparison; and updating the neighbor list associated with the serving base station with the identified at least one neighboring base stations.Type: ApplicationFiled: March 26, 2015Publication date: August 11, 2016Inventors: Saptarshi Chaudhuri, Irfan Baig
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Publication number: 20160183284Abstract: The present disclosure relates to systems, methods, and non-transitory computer-readable media for efficient scheduling of downlink data traffic at a base station. The method may comprise: receiving one or more downlink data packets from a second protocol layer. Thereafter, the one or more downlink packets may be classified into one or more categories of packets based on transmission type and radio transmission state of the one or more downlink packets. Further, one or more first packets from each of the one or more categories of packets may be scheduled based on a pre-determined priority order of the one or more categories of packets and a predetermined packet transmission share associated with each of the one or more categories of packets. Finally, the one or more first packets are transmitted from the one or more categories of packets in a transmission time interval.Type: ApplicationFiled: March 11, 2015Publication date: June 23, 2016Applicant: Wipro LimitedInventors: Saptarshi CHAUDHURI, Irfan BAIG
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Publication number: 20160157131Abstract: The present disclosure relates to systems, methods, and non-transitory computer-readable media for offloading data packets from a first radio access network to a second radio access network. The method comprises monitoring first values of first performance parameters of the first radio access network at different instants of time prior to a predetermined transmission time interval. Then the second values of the one or more first performance parameters are predicted based on the first values. Further, the second values are compared against corresponding predetermined threshold values of the one or more first performance parameters and based on the comparison offloading of the data packets are triggered.Type: ApplicationFiled: February 10, 2015Publication date: June 2, 2016Applicant: WIPRO LIMITEDInventors: Saptarshi CHAUDHURI, Irfan BAIG, Guruprasad Irappa NAIK
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Publication number: 20160143068Abstract: Systems and methods for allocating a physical cell identifier (PCI) to a cell are described. In one implementation, the method comprises identifying allocated physical cell identifiers based on PCI data and generating a near PCI list and a far PCI list based on the allocated PCIs and a RSRP threshold value. Further, the method comprises determining cell group IDs and a cell IDs from the near PCI list and the far PCI list. Further, the method comprises assigning the cell group IDs to a first bin and the cell IDs to a second bin. Further, the method comprises prioritizing the cell group IDs in the first bin based on effective distance and the cell IDs in the second bin based on an effective RSRP value. Further, the method comprises allocating the PCI, to the cell, determined based on the prioritized cell group IDs and the cell IDs.Type: ApplicationFiled: January 12, 2015Publication date: May 19, 2016Inventors: Saptarshi CHAUDHURI, Avijit MANNA, Shyam Sundar PAL
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Patent number: 9307459Abstract: A method, neighbor relation maintenance device, and non-transitory computer readable medium for neighbor reporting in a wireless communication network is disclosed. The method comprises categorizing, by a neighbor relation maintenance device, a plurality of Mobile Stations (MSs) into one or more groups. A primary neighbor BS for each group of the one or more groups of MSs is determined. Each MS of each group is instructed to report signal strength measurements between the each MS and the corresponding primary neighbor BS associated with the each group in a first time period. Each MS of each group is instructed to report signal strength measurements between the each MS and each neighbor BS in a predefined neighbor list associated with the each MS in a second time period.Type: GrantFiled: April 23, 2014Date of Patent: April 5, 2016Assignee: Wipro LimitedInventors: Saptarshi Chaudhuri, Avijit Manna, Shyam Sundar Pal
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Publication number: 20160094319Abstract: A method, system, and non-transitory computer-readable storage medium for managing inter-cell interference in a wireless network is provided. The method may be executed by at least one processor at a small cell gateway and may include receiving, uplink interference power corresponding to a first small cell base station (SCBS). The method may further include receiving neighboring cell information of the first SCBS, the neighboring cell information including information on a first plurality of SCBSs neighboring the first SCBS. The method may further include determining based on the received uplink interference power, that the first SCBS is experiencing inter-cell interference and determining a second plurality of SCBSs from among the first plurality of SCBSs that are interfering with the first SCBS. The method may further include adjusting uplink power allocation corresponding to a second SCBS from among the second plurality of SCBSs.Type: ApplicationFiled: December 10, 2015Publication date: March 31, 2016Inventors: Saptarshi CHAUDHURI, lrfan BAIG
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Patent number: 9294241Abstract: A method, system, and non-transitory computer-readable storage medium for managing inter-cell interference in a wireless network is provided. The method may be executed by at least one processor at a small cell gateway and may include receiving, uplink interference power corresponding to a first small cell base station (SCBS). The method may further include receiving neighboring cell information of the first SCBS, the neighboring cell information including information on a first plurality of SCBSs neighboring the first SCBS. The method may further include determining based on the received uplink interference power, that the first SCBS is experiencing inter-cell interference and determining a second plurality of SCBSs from among the first plurality of SCBSs that are interfering with the first SCBS. The method may further include adjusting uplink power allocation corresponding to a second SCBS from among the second plurality of SCBSs.Type: GrantFiled: February 12, 2015Date of Patent: March 22, 2016Assignee: WIPRO LIMITEDInventors: Saptarshi Chaudhuri, Irfan Baig
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Patent number: 9215630Abstract: A method and system for creating a global neighbor list is disclosed. The method may be implemented at a serving base station and includes instructing each Mobile Station (MS) served by the serving BS to report a signal strength between the each MS and one or more neighbor BSs for one or more predefined time periods; identifying, using a hardware processor, at least one neighbor BS of the one or more neighbor BSs having a signal strength with respect to one or more MSs greater than a threshold signal strength; determining, using the hardware processor, a number of times the at least one neighbor BS is reported in the one or more predefined time periods; and creating, using the hardware processor, the global neighbor list based on the number of times the at least one neighbor BS is reported exceeding a predefined count threshold.Type: GrantFiled: June 11, 2014Date of Patent: December 15, 2015Assignee: Wipro LimitedInventors: Saptarshi Chaudhuri, Kamakshi Lakshminarayanpuram Krishnakumar
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Patent number: 9204332Abstract: A method and system for providing session admission control for a new session in a broadband wireless network is provided. The method may include obtaining a guaranteed bit rate and a first quality of service class indicator for the new session. The method may further include calculating an available capacity using the guaranteed bit rate and determining whether the available capacity is a negative or a positive value. The new session may be admitted or rejected based on whether the available capacity is a negative or positive value.Type: GrantFiled: January 28, 2013Date of Patent: December 1, 2015Assignee: Wipro LimitedInventors: Saptarshi Chaudhuri, Irfan Baig, Subhodeep Sarkar
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Patent number: 9191974Abstract: A method and system for providing session admission control for a new session in a broadband wireless network is provided. The method may include obtaining a guaranteed bit rate, a priority level, and a quality of service class indicator for the new session. The method may further include calculating an available capacity by utilizing the guaranteed bit rate. The method may further include searching through existing sessions for a first plurality of existing sessions having same quality of service class indicator as the new session and priority level lower than the priority level for the new session, if the available capacity is found to be a negative value. The method may further include filtering the first plurality of existing sessions to obtain a second existing session, preempting the second existing session, and admitting the new session in response to the preempting.Type: GrantFiled: January 28, 2013Date of Patent: November 17, 2015Assignee: WIPRO LIMITEDInventors: Saptarshi Chaudhuri, Irfan Baig, Subhodeep Sarkar
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Patent number: 9179357Abstract: A method and system for efficient buffer status reporting at a base station is provided. The method may include identifying a transmission opportunity associated with a first protocol layer of the base station, where the transmission opportunity indicates a transmission capacity of the base station. The method may further include determining, via one or more hardware processors, a time interval for sending a buffer status report from a second protocol layer of the base station to the first protocol layer based on at least the transmission opportunity. The method may further include determining, via the one or more hardware processors, an expected buffer occupancy based on at least the time interval and a packet incoming rate associated with downlink packets, and sending the buffer status report from the second protocol layer to the first protocol layer based on at least the time interval.Type: GrantFiled: April 22, 2014Date of Patent: November 3, 2015Assignee: WIPRO LIMITEDInventors: Avijit Manna, Saptarshi Chaudhuri
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Patent number: 9179479Abstract: A method, system, and non-transitory computer-readable storage medium for providing admission control in a wireless network are provided. The method may include receiving a RACH-Preamble from a mobile device and determining whether a first set of requirements is satisfied for the received RACH-Preamble. The method may further include transmitting a first response to the mobile device when the first set of requirements is satisfied and receiving a RRC connection request from the mobile device after transmitting the first response. The method may further include determining an establishment cause of the RRC connection request and determining whether a second set of requirements corresponding to the establishment cause are satisfied. The method may further include rejecting the RRC connection request when the second set of requirements is not satisfied.Type: GrantFiled: April 10, 2013Date of Patent: November 3, 2015Assignee: Wipro LimitedInventors: Saptarshi Chaudhuri, Irfan Baig
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Publication number: 20150312812Abstract: A method and system for creating a global neighbor list is disclosed. The method may be implemented at a serving base station and includes instructing each Mobile Station (MS) served by the serving BS to report a signal strength between the each MS and one or more neighbor BSs for one or more predefined time periods; identifying, using a hardware processor, at least one neighbor BS of the one or more neighbor BSs having a signal strength with respect to one or more MSs greater than a threshold signal strength; determining, using the hardware processor, a number of times the at least one neighbor BS is reported in the one or more predefined time periods; and creating, using the hardware processor, the global neighbor list based on the number of times the at least one neighbor BS is reported exceeding a predefined count threshold.Type: ApplicationFiled: June 11, 2014Publication date: October 29, 2015Inventors: Saptarshi Chaudhuri, Kamakshi Lakshminarayanpuram Krishnakumar