Patents by Inventor Suresh K. Ramasamy
Suresh K. Ramasamy 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: 10938451Abstract: A mobile information handling system may comprise a plurality of transceiving antennas transmitting N×N WLAN signals and M×M WWAN signals according to a preset antenna configuration, mounted in a case for the mobile information handling system and a processor executing machine readable executable code instructions of the dynamic wireless antenna co-existence control system to receive an indication of co-location interference and an identification of the M×M WWAN signals as a victim signal negatively impacted by the co-location interference, instruct a first interference controller operably connected to the processor and a first tunable impedance matching circuit to route the victim signal from a first one of the plurality of transceiving antennas to a WWAN radio modem via the first tunable impedance matching circuit, and instruct the first tunable impedance matching circuit to apply an impedance adjustment that maximizes the port isolation of an antenna port for the first WWAN transceiving antenna.Type: GrantFiled: November 3, 2017Date of Patent: March 2, 2021Assignee: Dell Products, LPInventors: Suresh K. Ramasamy, Ching Wei Chang, Youngsoo Cho
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Patent number: 10938113Abstract: An information handling system to wirelessly transmit and receive data includes a processor; a memory; a wireless adapter for transceiving wireless communications via radiofrequency (RF) waves a metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover, the speaker grill including: a slot formed around a portion of a perimeter of the speaker grill that physically separates the portion of the speaker grill from the C-cover; a shunt formed at a distance along the slot creating a first portion of the slot and a second portion of the slot; a forked antenna element wherein: a first tine of the forked antenna is operatively coupled to the first portion of the slot to excite the first portion of the slot; and a second tine of the forked antenna is operatively coupled to the second portion of the slot to excite the second portion of the slot.Type: GrantFiled: January 29, 2020Date of Patent: March 2, 2021Assignee: Dell Products, LPInventors: Changsoo Kim, Suresh K. Ramasamy, Timothy C. Shaw, Geroncio O. Tan
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Patent number: 10862190Abstract: An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and a D-cover, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; a speaker grill platform antenna formed within the C-cover from a portion of the speaker grill to emit a target radio frequency (RF), including: a slot formed around the portion of the speaker grill to form a peninsula on the speaker grill that is physically separated from the C-cover; a cavity formed behind the peninsula between the C-cover and the D-cover, the cavity including walls formed around the back side of the peninsula to electrically isolate the cavity; a printed circuit board assembly (PCBA) including: an antenna front end circuit operatively coupled to the speaker grill to excite the speaker grill and dynamically switch frequencies based on the target frequency to be emitted by the speaker grill platform antenna; and a contact pin directly coupling an excitatiType: GrantFiled: January 31, 2020Date of Patent: December 8, 2020Assignee: Dell Products, LPInventors: Suresh K. Ramasamy, Changsoo Kim, Timothy C. Shaw, Geroncio O. Tan
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Publication number: 20200328509Abstract: An information handling system operating a reconfigurable antenna training control system may comprise a configurable antenna system in one of a plurality of available configurations transceiving a radio frequency signal, and a radio frequency system measuring performance metrics for the signal transceived according to each available configuration over a training time period preset based on historical performance and stability of each available configuration. An antenna front end system may execute instructions of the reconfigurable antenna training control system to determine a weighted performance metric based on the measured performance metrics and on historical performance metrics for each candidate configuration, to compare the weighted performance metrics for each configuration, and to identify one of the configurations having a highest weighted performance metric as an optimal configuration. The configurable antenna may then establish a wireless link using the optimal configuration.Type: ApplicationFiled: June 1, 2020Publication date: October 15, 2020Applicant: Dell Products, LPInventors: Stephen Shiao, Suresh K. Ramasamy
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Patent number: 10756414Abstract: A hinge for an information handling system and method for operating a hinge including an antenna feed operatively connected to a wireless adapter for communicating on a wireless link with the hinge pivoting between a display housing and a second housing and the hinge operable to provide for rotation of the display housing around the hinge with respect to the second housing between usage mode configurations. The antenna feed terminating in the hinge, wherein the hinge is movable with respect to a plurality of antenna apertures and the hinge includes the plurality of antenna apertures each alignable to the antenna feed depending on the rotation orientation of the display housing around the hinge with respect to the second housing to couple to the antenna feed in the usage mode configuration positions.Type: GrantFiled: November 2, 2017Date of Patent: August 25, 2020Assignee: Dell Products, LPInventor: Suresh K. Ramasamy
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Patent number: 10736118Abstract: A wireless adapter front end for an information handling system may comprise a wireless adapter for receiving content via a transceiving antenna configurable to have a plurality of antenna radiation patterns, and a controller. The controller may execute code instructions to receive a trigger input indicating decreased signal strength, measure RSSI variance of the wireless link, measure a rate of mobility of the information handling system determined from accelerometer data or velocity data, identify an allotted training duration time period associated with the rate of mobility and RSSI variance, identify an optimal antenna pattern associated with a highest quality link within the allotted training duration time period, and instruct the transceiving antenna to operate according to the optimal antenna pattern.Type: GrantFiled: May 24, 2019Date of Patent: August 4, 2020Assignee: Dell Products, LPInventors: Suresh K. Ramasamy, Stephen Shiao
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Patent number: 10673136Abstract: An information handling system operating a reconfigurable antenna training control system may comprise a configurable antenna system in one of a plurality of available configurations transceiving a radio frequency signal, and a radio frequency system measuring performance metrics for the signal transceived according to each available configuration over a training time period preset based on historical performance and stability of each available configuration. An antenna front end system may execute instructions of the reconfigurable antenna training control system to determine a weighted performance metric based on the measured performance metrics and on historical performance metrics for each candidate configuration, to compare the weighted performance metrics for each configuration, and to identify one of the configurations having a highest weighted performance metric as an optimal configuration. The configurable antenna may then establish a wireless link using the optimal configuration.Type: GrantFiled: April 10, 2019Date of Patent: June 2, 2020Assignee: Dell Products, LPInventors: Stephen Shiao, Suresh K. Ramasamy
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Publication number: 20200015161Abstract: A wireless adapter front end for an information handling system comprising a wireless adapter for communicating on a plurality of antennas for connection to a plurality of concurrently operating wireless links, wherein at least one of the plurality of antennas is configurable to have a plurality of antenna radiation patterns and is operating in a first antenna radiation pattern, a controller operating independently from an operating system of the information handling system and executing instructions of a dynamic tuning and power reduction control system to receive a trigger input indicating an operating condition of the plurality of antennas, wherein the trigger input may be selected from one or more indications of a radiation pattern of one or more of the antennas, a shared communication frequency band, a carrier aggregation operation, SAR proximity detection, or operation of a plurality of radio access technologies and to identify an optimal tuning and power reduction configuration associated with the trigType: ApplicationFiled: September 16, 2019Publication date: January 9, 2020Applicant: Dell Products, LPInventors: Suresh K. Ramasamy, Geroncio O. Tan, Ricardo R. Velasco
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Patent number: 10420023Abstract: A wireless adapter front end for an information handling system comprising a wireless adapter for communicating on a plurality of antennas for connection to a plurality of concurrently operating wireless links, wherein at least one of the plurality of antennas is configurable to have a plurality of antenna radiation patterns and is operating in a first antenna radiation pattern, a controller operating independently from an operating system of the information handling system and executing instructions of a dynamic tuning and power reduction control system to receive a trigger input indicating an operating condition of the plurality of antennas, wherein the trigger input may be selected from one or more indications of a radiation pattern of one or more of the antennas, a shared communication frequency band, a carrier aggregation operation, SAR proximity detection, or operation of a plurality of radio access technologies and to identify an optimal tuning and power reduction configuration associated with the trigType: GrantFiled: January 10, 2018Date of Patent: September 17, 2019Assignee: Dell Products, LPInventors: Suresh K. Ramasamy, Geroncio O. Tan, Ricardo R. Velasco
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Publication number: 20190281597Abstract: A wireless adapter front end for an information handling system may comprise a wireless adapter for receiving content via a transceiving antenna configurable to have a plurality of antenna radiation patterns, and a controller. The controller may execute code instructions to receive a trigger input indicating decreased signal strength, measure RSSI variance of the wireless link, measure a rate of mobility of the information handling system determined from accelerometer data or velocity data, identify an allotted training duration time period associated with the rate of mobility and RSSI variance, identify an optimal antenna pattern associated with a highest quality link within the allotted training duration time period, and instruct the transceiving antenna to operate according to the optimal antenna pattern.Type: ApplicationFiled: May 24, 2019Publication date: September 12, 2019Applicant: Dell Products, LPInventors: Suresh K. Ramasamy, Stephen Shiao
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Patent number: 10396431Abstract: An information handling system operable to transition between a plurality of positional configurations comprising a metallic case containing components of the information handling system including a base housing metal chassis operably connected to a display housing metal chassis via a hinge where the base housing metal chassis and display housing metal chassis are moveable with respect to one another around the hinge according to a plurality of positional configurations and the base housing metal chassis forms a back edge of a base housing and a base antenna aperture platform extends from the back edge with a base antenna aperture disposed within the base antenna aperture platform. A radio frequency front end to transmit a communications signal via the base antenna aperture when the base housing metal chassis and display housing metal chassis are placed in the plurality of positional configurations.Type: GrantFiled: January 31, 2018Date of Patent: August 27, 2019Assignee: Dell Products, LPInventors: Suresh K. Ramasamy, Brandon J. Brocklesby, Timothy C. Shaw
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Publication number: 20190237865Abstract: An information handling system comprising a processor, a memory, and a wireless adapter with a first and second antenna feed operatively connected to the wireless adapter for communicating on a plurality of wireless links and disposed on a circuit board having a trench through one or more metallic layers with a perimeter edge dimension extending from an outer edge of the circuit board into the circuit board where the first antenna feed mounted adjacent to a first side of the trench of the circuit board and operatively connected to a first antenna and the second antenna feed mounted adjacent to a second side of the trench of the circuit board opposite to the first side and the second antenna feed operatively connected to a second antenna.Type: ApplicationFiled: January 31, 2018Publication date: August 1, 2019Applicant: Dell Products, LPInventor: Suresh K. Ramasamy
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Publication number: 20190237848Abstract: An information handling system operable to transition between a plurality of positional configurations comprising a metallic case containing components of the information handling system including a base housing metal chassis operably connected to a display housing metal chassis via a hinge where the base housing metal chassis and display housing metal chassis are moveable with respect to one another around the hinge according to a plurality of positional configurations and the base housing metal chassis forms a back edge of a base housing and a base antenna aperture platform extends from the back edge with a base antenna aperture disposed within the base antenna aperture platform. A radio frequency front end to transmit a communications signal via the base antenna aperture when the base housing metal chassis and display housing metal chassis are placed in the plurality of positional configurations.Type: ApplicationFiled: January 31, 2018Publication date: August 1, 2019Applicant: Dell Products, LPInventors: Suresh K. Ramasamy, Brandon J. Brocklesby, Timothy C. Shaw
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Publication number: 20190215765Abstract: A wireless adapter front end for an information handling system comprising a wireless adapter for communicating on a plurality of antennas for connection to a plurality of concurrently operating wireless links, wherein at least one of the plurality of antennas is configurable to have a plurality of antenna radiation patterns and is operating in a first antenna radiation pattern, a controller operating independently from an operating system of the information handling system and executing instructions of a dynamic tuning and power reduction control system to receive a trigger input indicating an operating condition of the plurality of antennas, wherein the trigger input may be selected from one or more indications of a radiation pattern of one or more of the antennas, a shared communication frequency band, a carrier aggregation operation, SAR proximity detection, or operation of a plurality of radio access technologies and to identify an optimal tuning and power reduction configuration associated with the trigType: ApplicationFiled: January 10, 2018Publication date: July 11, 2019Applicant: Dell Products, LPInventors: Suresh K. Ramasamy, Geroncio O. Tan, Ricardo R. Velasco
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Patent number: 10321463Abstract: A wireless adapter front end for an information handling system may comprise a wireless adapter for receiving content via a transceiving antenna configurable to have a plurality of antenna radiation patterns, and a controller. The controller may execute code instructions to receive a trigger input indicating decreased signal strength, measure RSSI variance of the wireless link, measure a rate of mobility of the information handling system determined from accelerometer data or velocity data, identify an allotted training duration time period associated with the rate of mobility and RSSI variance, identify an optimal antenna pattern associated with a highest quality link within the allotted training duration time period, and instruct the transceiving antenna to operate according to the optimal antenna pattern.Type: GrantFiled: January 16, 2018Date of Patent: June 11, 2019Assignee: Dell Products, LPInventors: Suresh K. Ramasamy, Stephen Shiao
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Patent number: 10312976Abstract: A mobile information handling system executing code instructions of a dynamic antenna co-existence control system may comprise a plurality of transceiving antennas mounted in a small form factor case for the mobile information handling system, a plurality of cellular and Wi-Fi communications modules transceiving signals according to a plurality of data streams, an adaptive massive MIMO multiplexer coupling the communications modules to the four transceiving antennas, a memory storing a data stream multiplexing configuration table, and a processor.Type: GrantFiled: November 3, 2017Date of Patent: June 4, 2019Assignee: Dell Products, LPInventors: Ching Wei Chang, Suresh K. Ramasamy, Youngsoo Cho, Ricardo R. Velasco
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Publication number: 20190140706Abstract: A mobile information handling system executing code instructions of a dynamic antenna co-existence control system may comprise a plurality of transceiving antennas mounted in a small form factor case for the mobile information handling system, a plurality of cellular and Wi-Fi communications modules transceiving signals according to a plurality of data streams, an adaptive massive MIMO multiplexer coupling the communications modules to the four transceiving antennas, a memory storing a data stream multiplexing configuration table, and a processor.Type: ApplicationFiled: November 3, 2017Publication date: May 9, 2019Applicant: Dell Products, LPInventors: Ching Wei Chang, Suresh K. Ramasamy, Youngsoo Cho, Ricardo R. Velasco
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Publication number: 20190140340Abstract: A wireless adapter front end system and method for an information handling system including a wireless adapter for communicating on a plurality antenna systems for connection to a plurality of wireless links and an antenna configurable to have a plurality of antenna radiation patterns via an antenna pattern steering control interface, wherein the antenna is operating in a first antenna radiation pattern.Type: ApplicationFiled: November 3, 2017Publication date: May 9, 2019Applicant: Dell Products, LPInventors: Suresh K. Ramasamy, Youngsoo Cho, Adolfo S. Montero, Ching Wei Chang, Ricardo R. Velasco, Geroncio O. Tan, Lars Fredrik Proejts, Jian Xin Guo, Stephen Shiao, Wei-Chia Huang
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Publication number: 20190140705Abstract: A mobile information handling system may comprise a plurality of transceiving antennas transmitting N×N WLAN signals and M×M WWAN signals according to a preset antenna configuration, mounted in a case for the mobile information handling system and a processor executing machine readable executable code instructions of the dynamic wireless antenna co-existence control system to receive an indication of co-location interference and an identification of the M×M WWAN signals as a victim signal negatively impacted by the co-location interference, instruct a first interference controller operably connected to the processor and a first tunable impedance matching circuit to route the victim signal from a first one of the plurality of transceiving antennas to a WWAN radio modem via the first tunable impedance matching circuit, and instruct the first tunable impedance matching circuit to apply an impedance adjustment that maximizes the port isolation of an antenna port for the first WWAN transceiving antenna.Type: ApplicationFiled: November 3, 2017Publication date: May 9, 2019Applicant: Dell Products, LPInventors: Suresh K. Ramasamy, Ching Wei Chang, Youngsoo Cho
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Publication number: 20190131688Abstract: A hinge for an information handling system and method for operating a hinge including an antenna feed operatively connected to a wireless adapter for communicating on a wireless link with the hinge pivoting between a display housing and a second housing and the hinge operable to provide for rotation of the display housing around the hinge with respect to the second housing between usage mode configurations. The antenna feed terminating in the hinge, wherein the hinge is movable with respect to a plurality of antenna apertures and the hinge includes the plurality of antenna apertures each alignable to the antenna feed depending on the rotation orientation of the display housing around the hinge with respect to the second housing to couple to the antenna feed in the usage mode configuration positions.Type: ApplicationFiled: November 2, 2017Publication date: May 2, 2019Applicant: Dell Products, LPInventor: Suresh K. Ramasamy