Patents Assigned to Indian Institute of Technology
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Patent number: 11938186Abstract: The present invention provides for thermosensitive hydrogel for cancer therapeutic and methods of preparation thereof. The invention represents an advancement in the field of cancer therapeutics and provides for a polymer-protein based thermosensitive hydrogel comprising polyvinyl alcohol, poloxamer 407 and bovine serum albumin. The thermosensitive hydrogel can be optionally be enriched with one or more additional component such as photothermal agents, photosensitizers, drugs and dyes. The invention also provides for a method of preparing the thermosensitive hydrogels. The hydrogels of the present invention are inexpensive, thermosensitive, has ability to effectuate sustained release of drugs and can be used for targeted delivery and dual-modality treatment.Type: GrantFiled: May 20, 2021Date of Patent: March 26, 2024Assignee: Indian Institute of Technology HyderabadInventors: Baseeruddin Alvi Syed, Rajalakshmi P. S., Aravind Kumar Rengan
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Publication number: 20240098936Abstract: The present invention discloses microtextures for a thin-film evaporation. The microstructure is called as wedged micropillar and a forest of these micropillar helps in maintaining a thin-film of liquid over the heat sink surface through capillary action. The inherent sharp corners of these wedged micropillars drives the liquid filament along the vertical direction and the large mean curvature of the liquid meniscus provides high capillary pumping pressure. At the same time, these microstructures can offer high permeability for liquid flow thereby leading to low viscous pressure loss as compared to the cylindrical microstructured heat sink. As a result of these, the predicted dryout heat flux for thin-film evaporation is more than twice that of the conventional cylindrical microstructures. Also, we have proposed a combined architecture of wedged and cylindrical micropillars for hotspot-targeted cooling application.Type: ApplicationFiled: August 3, 2023Publication date: March 21, 2024Applicant: INDIAN INSTITUTE OF TECHNOLOGY ROPARInventors: Chander Shekhar SHARMA, Anand S
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Patent number: 11937093Abstract: Methods and systems for simultaneous sharing of spectrum in wireless communications. Base Stations (BSs) of a plurality of mobile network operators in a cell may send downlink signals to their respective connected User Equipments (UEs) through a shared frequency spectrum. Further, the BSs may receive uplink signals from the UEs in the shared frequency spectrum.Type: GrantFiled: February 19, 2020Date of Patent: March 19, 2024Assignee: INDIAN INSTITUTE OF TECHNOLOGY MADRASInventors: Giridhar K, Venkatesh C R
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Patent number: 11919006Abstract: A generic point of care based portable device and method thereof as a platform technology for detecting pathogenic infection via nucleic acid based testing achieving sample-to-result integration, comprising the following interconnected stand-alone modules: a thermal unit for executing piece-wise isothermal reactions in a pre-programmable concomitant fashion without necessitating in-between operative intervention; a colorimetric detection unit seamlessly interfaced with smartphone-app based analytics for detecting the target analyte.Type: GrantFiled: March 16, 2021Date of Patent: March 5, 2024Assignee: INDIAN INSTITUTE OF TECHNOLOGY, KHARAGPURInventors: Nandita Kedia, Sujay Kumar Biswas, Saptarshi Banerjee, Aditya Bandopadhyay, Arindam Mondal, Suman Chakraborty
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Patent number: 11911770Abstract: A generic point of care based portable device and method thereof as a platform technology for detecting pathogenic infection via nucleic acid based testing achieving sample-to-result integration, comprising the following interconnected stand-alone modules: a thermal unit for executing piece-wise isothermal reactions in a pre-programmable concomitant fashion without necessitating in-between operative intervention; a colorimetric detection unit seamlessly interfaced with smartphone-app based analytics for detecting the target analyte.Type: GrantFiled: August 2, 2022Date of Patent: February 27, 2024Assignee: INDIAN INSTITUTE OF TECHNOLOGY, KHARAGPURInventors: Nandita Kedia, Sujay Kumar Biswas, Saptarshi Banerjee, Aditya Bandopadhyay, Arindam Mondal, Suman Chakraborty
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Patent number: 11910339Abstract: A system and a method for performing uplink (UL) time synchronization in non-terrestrial networks (NTN) include Performing Downlink (DL) synchronization SSB signals. At least one information is received by a UE 102 from an NTN BS 104. A location information of a satellite is obtained using the at least one information received by the UE 102. Location of the UE 102 is estimated using one of GNSS receiver of the UE 102 and by processing at least one reference signal received by the UE 102 from multiple NTN-BS 104, using at least one multilateration technique and RTK. Timing Advance (TA) estimate is determined using the location of the satellite and location of the UE 102. TA applied is determined using the TA estimate and TA margin. PRACH is transmitted based on the TA applied and an information related to the TA applied is reported to the NTN-BS 104. Residual TA is estimated using the reported information related to the TA applied and the detected PRACH.Type: GrantFiled: October 22, 2021Date of Patent: February 20, 2024Assignees: CENTRE OF EXCELLENCE IN WIRELESS TECHNOLOGY, INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)Inventors: Abhijeet Abhimanyu Masal, Priyanka Dey, Sunil Kaimalettu, Jeniston Deviraj Klutto Milleth, Bhaskar Ramamurthi
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Patent number: 11879916Abstract: Accordingly embodiments herein disclose a method for estimating frequencies of multiple sinusoids by an electronic device (100). The method includes receiving a signal, where the signal comprises the multiple sinusoids. Further, the method includes estimating an initial frequency of each of the multiple sinusoids present in the received signal, determining that a first candidate parameter is less than zero, where the candidate parameter is a function of an estimated Signal-to-noise ratio (SNR) and an estimated threshold. Further, the method includes performing zero-padding on the received signal. Further, the method includes re-estimating frequencies obtained from zero-padded version of the received signal. Further, the method includes validating the re-estimated frequencies obtained from zero-padded version of the received signal based on validation criteria. Further, the method includes predicting the re-estimated frequencies or the initial frequencies as optimal frequencies based on the validation.Type: GrantFiled: March 18, 2021Date of Patent: January 23, 2024Assignee: INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)Inventors: Vishnu Palakkal, Coimbatore Subramanian Ramalingam
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Publication number: 20240018624Abstract: The present invention relates to a method for selectively precipitating and extracting gold in aqueous solution by niacin. Aqueous Au3+ is precipitated selectively as it's complex from gold containing acidic mixtures by biomolecule niacin, with the formula [AuCl4]?[2Niacin+H]+. After precipitation, the complex is separated from impurities by filtration. Recovered complex is reduced by using a reductant like sodium metabisulfite (Na2S2O5) to recover gold metal. The method is highly cost-effective, sustainable and recovers about 96.5% of gold in 2 minutes from an electronic waste composed of Au. Cu and Ni. The method is also employed to extract gold from nanomaterials waste generated in laboratories.Type: ApplicationFiled: October 27, 2021Publication date: January 18, 2024Applicant: INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)Inventors: Pradeep THALAPPIL, Nag ABHIJIT
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Patent number: 11867673Abstract: The present invention relates to method of using spectroscopy for real time measuring of concentration of desired product and using measured data for monitoring and control of chromatography. It develops a method and system for measuring real-time concentration of clarified harvest and that of flow through of loading step of the chromatography and using measured data for determining breakthrough in real-time. The two modes of operation are used viz. first mode (Part A) uses a single near infrared spectroscopy (NIR) flow cell prior to the continuous chromatography column to ensure optimal loading in each cycle based on dynamic binding capacity studies carried out previously with the desired Protein A resin and second mode (Part B) uses two near infrared spectroscopy (NIR) flow cells, one before and one after the column, to detect the breakthrough curve (from 1% breakthrough onwards).Type: GrantFiled: March 20, 2020Date of Patent: January 9, 2024Assignee: Indian Institute of Technology DelhiInventors: Anurag Singh Rathore, Garima Thakur, Vishwanath Hebbi
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Publication number: 20240007332Abstract: The present invention discloses a signal receiver and signal receiving method involving nonlinear detection method for mmWave OTFS systems in high mobility scenarios with non-ideal power amplifier, which is applicable in the fifth generation (5G) and beyond networks. The millimeter wave (mmWave) system is envisioned to be a promising candidate of 5G. However, the high frequency and large bandwidth operation in mmWaves result in nonlinear distortions from the power amplifier in the system. The nonlinearly distorted signals from non-ideal power amplifier when propagate through a wideband high mobility channel tremendously degrades the systems performance. Attributed to the non-ideal power amplifier, the nonlinear distortions induce multiplicative distortions and inter symbol interference (ISI) in the OTFS system. It further causes the posterior probability of the transmitted signal non-Gaussian and analytically intractable.Type: ApplicationFiled: January 9, 2023Publication date: January 4, 2024Applicant: THE INDIAN INSTITUTE OF TECHNOLOGY KHARAGPURInventors: Preety Priya, Ch Santosh Reddy, Debarati Sen
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Patent number: 11859816Abstract: Various kinds of oscillatory instabilities are seen in practical systems. We devise of way of combating these oscillatory instabilities in a thermoacoustic system. Confined combustion environments are prone to large amplitude pressure oscillations known as thermoacoustic instabilities. Although several techniques have been employed to control or mitigate such instabilities, optimization of these methods is achieved at the cost of performing multiple trial and error experiments/simulations. This invention develops a methodology to quantify the spatio-temporal dynamics using synchronization, recurrence, and fractal measures and find the coherent region in such turbulent flow field. Such an analysis provides us with a novel way to detect critical regions responsible for thermoacoustic instability, and other oscillatory instabilities in general, in the flow field and implement an optimized control strategy at these regions.Type: GrantFiled: October 1, 2020Date of Patent: January 2, 2024Assignee: INDIAN INSTITUTE OF TECHNOLOGY, MADRAS (IITM)Inventors: Sujith Raman Indusekharan Pillai Nair, Krishna Manoj, Samadhan Ananda Pawar, Abin Krishnan, Midhun Palakkal Raghunath, Reeja Kunnathu Valappil, Manikandan Raghunathan, Amitesh Roy
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Publication number: 20230422048Abstract: Unmanned aerial vehicle (UAV) mount with a base station, also known as Flying Base Station (FBS) has garnered considerable attention for 5G and beyond communication. This invention provides a method and system for deploying a swarm of FBSs over a geographical region autonomously. The proposed 3-D deployment technique exhibit how to place a minimum number of FBSs energy efficiently over a region to offer guaranteed QoS without inter-UAV interference and UAV capacity limit violations. A Master-Slave coordination technique is revealed to maintain inter-FBS synchronization to avoid collisions during the transition. The technique for selecting intermediate hop coordinates is proclaimed under path planning.Type: ApplicationFiled: January 10, 2023Publication date: December 28, 2023Applicant: THE INDIAN INSTITUTE OF TECHNOLOGY KHARAGPURInventors: Kirtan Gopal Panda, Amulya Wilson, Debarati Sen
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Publication number: 20230400433Abstract: Disclosed herein is a method and a system for remotely measuring the properties of a fluid. The system comprises a waveguide, a transducer, and a processing unit. One end of the waveguide is coupled to the transducer and the second end is immersed in a fluid. The transducer is aligned at a certain angle of excitation ranging between 0°-90° with respect to the waveguide such that it can transmit ultrasonic waves comprising at least two wave modes. A part of the at least two wave modes transmitted through the wave guide leaks into the surrounding fluid and the remaining part is reflected. The attenuation of the at least two wave modes is studied in various attenuation regimes ranging between 0-1200 kHz. The reflected at least two wave modes are transmitted to the processing unit for extracting various parameters. Based on the extracted parameters, different properties of the fluid are measured.Type: ApplicationFiled: October 26, 2021Publication date: December 14, 2023Applicant: INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)Inventors: Krishnan BALASUBRAMANIAN, Nishanth R
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Publication number: 20230379194Abstract: The present invention provides a new pilot pattern and channel estimation method involving such pilot for mmWave OTFS systems in high mobility scenarios with non-ideal power amplifier, which is applicable in the fifth generation (5G) and beyond networks. The pilot pattern for communication signal in wireless communications involving mmWave systems with non-ideal power amplifier comprises signal including a pilot signal element, information-bearing symbol and zero as guard, wherein, position of pilot and guard are arranged to combat the effect of inter symbol interference (ISI) from nonlinear impairment of the power amplifier for accurate channel estimation.Type: ApplicationFiled: January 10, 2023Publication date: November 23, 2023Applicant: THE INDIAN INSTITUTE OF TECHNOLOGY KHARAGPURInventors: Preety Priya, Ch Santosh Reddy, Debarati Sen
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Publication number: 20230370316Abstract: The present invention reports a spectrally efficient low complex OFTS modulation based communication system and method for resource-constrained IoT device and M2M type communication in high-mobility environment comprising at least one transmitter configured to transmit bit stream involving adaptive OTFS frame with selectively embedded pilot depending on mobility condition for improving spectral efficiency and at least one receiver configured to dispose onto IoT devices with a low-complex iterative detector for receiving thus transmitted bit stream. The receiver is configured to update the transmitter about its mobility condition through a control channel.Type: ApplicationFiled: January 10, 2023Publication date: November 16, 2023Applicant: THE INDIAN INSTITUTE OF TECHNOLOGY KHARAGPURInventors: Chattla Santosh Reddy, Preety Priya, Debarati Sen, Chetna Singhal
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Publication number: 20230361469Abstract: The present invention discloses a wide microstrip antenna array based antenna system for millimeter wave applications. The microstrip antenna array based antenna system of the present invention includes plurality of patch antennas and each of the patch antennas includes a U-slot of unequal arms. This patch antenna with the U-slot acts as the array element. The array elements are placed in a linear array at a distance of ?/2 from each other on the antenna substrate to achieve desired scan performance. The microstrip corporate feed network with T-junction power divider is used. The antenna elements are fed by electromagnetic coupling with the feed network. The antenna array with dummy elements on both sides of the linear array together with an extra ground plane is used to achieve improved array performance with high main lobe gain and reduced side lobe.Type: ApplicationFiled: January 10, 2023Publication date: November 9, 2023Applicant: THE INDIAN INSTITUTE OF TECHNOLOGY KHARAGPURInventors: SASWATI Gopal GHOSH, DEBARATI SEN
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Patent number: 11785612Abstract: The present invention relates to a method of reducing blind decoding attempts by a User Equipment (UE) in a telecommunication network. The method comprises configuring a Search Space (SS) configuration to the UE. A Base Station (BS) signals one of a subset of Aggregation Levels (ALs) to be monitored based on channel quality of the UE and an associated time period, and a value of multiplication factor (k) and an associated time period. The UE iteratively monitors a Physical Downlink Control Channel (PDCCH) on the ALs signalled by the BS till the UE stops receiving a new configuration. The UE performs one of adopting an original configuration, requesting the BS for a new configuration, utilizing a default configuration or utilizing an original configuration.Type: GrantFiled: October 14, 2021Date of Patent: October 10, 2023Assignees: Centre of Excellence in Wireless Technology, Indian Institute of Technology MadrasInventors: Jyothi Pardhasarathy, Deepak Agarwal, Ebin Chacko, Budama Sree Charan Teja Reddy, Chandrasekaran Mohandoss, Thirunageswaram Ramachandran Ramya, Sunil Kaimalettu, Jeniston Deviraj Klutto Milleth, Bhaskar Ramamurthi
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Patent number: 11779914Abstract: An aspect of the present disclosure relates to a process for preparing a composite hydroalkylation catalyst including: (a) effecting impregnation of a hydrogenation metal on an inorganic oxide to form a metal impregnated inorganic oxide; (b) effecting calcination of the metal impregnated inorganic oxide to obtain a calcined metal impregnated inorganic oxide; (c) preparing a composite mixture comprising a molecular sieve, the calcined metal impregnated inorganic oxide and a binder; (d) preparing an extruded catalyst; and (e) effecting calcination of the extruded catalyst to obtain the composite hydroalkylation catalyst. The composite hydroalkylation catalyst prepared using this process affords dramatic improvement in conversion of mononuclear aromatic hydrocarbon and the yield of the hydroalkyled mononuclear aromatic hydrocarbon (e.g. CHB).Type: GrantFiled: September 17, 2021Date of Patent: October 10, 2023Assignees: BHARAT PETROLEUM CORPORATION LIMITED, INDIAN INSTITUTE OF TECHNOLOGY DELHIInventors: Ananth Kishore Kumar Sontyana, Nikita Sharma, Shivanand Mukund Pai, Bharat Lakshman Newalkar, Kamal Kishore Pant
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Patent number: 11774496Abstract: Disclosed herein is a pseudo-random binary sequence (PRBS) generator (200) for performing on-chip testing. It comprises of a plurality of lanes (L1-L4), wherein each lane comprises a latch group (Lg1-Lg4) capable of receiving clock signals, wherein a number of latches in each latch group is based on an output sequence to be generated for performing the on-chip testing. Each latch group is having at least one of a flip-flop and a latch is further connected with a plurality of logic gates in such a manner that an output, generated by the at least one of the flip-flop and the latch of each latch group, is provided as an input to the plurality of logic gates.Type: GrantFiled: January 19, 2022Date of Patent: October 3, 2023Assignee: INDIAN INSTITUTE OF TECHNOLOGYInventors: Mahendra Sakare, Puneet Singh, Mayank Kumar Singh, Devarshi Mrinal Das, Vinayak Gopal Hande
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Publication number: 20230288236Abstract: A system for monitoring flow of fluid through a pipeline is disclosed. The system includes a ferromagnetic strip mounted on an outer surface of the pipeline. A solenoid coil is wound around the ferromagnetic strip and is connectable to a power source. A plurality of magnets is positioned over the solenoid coil, wherein each of the plurality of magnets are positioned at a pre-defined orientation with respect to longitudinal axis of the pipeline. A processing unit is communicatively coupled to the solenoid coil. The processing unit generates a plurality of wave modes in the pipeline by supplying power to the solenoid coil in concurrence with the plurality of magnets and the ferromagnetic strip. The processing unit is configured to receive a plurality of wave signals reflected and are then compared with pre-defined wave signals by the processing unit to monitor flow of fluid through the pipeline.Type: ApplicationFiled: July 16, 2021Publication date: September 14, 2023Applicant: INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)Inventors: Krishnan BALASUBRAMANIAN, Nishanth R.