Patents by Inventor Subba Reddy Kallam

Subba Reddy Kallam 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).

  • Patent number: 11893249
    Abstract: The present invention is an controller for dynamically allocating RAM between powersave code copied from ROM and transient RAM memory used for storing packets. When the utilization of the transient RAM memory is low, code segments are copied from ROM and executed from RAM using a RAM pointer table which is updated after the code segments are copied over from ROM, and when the utilization of the transient RAM memory is high, code segments are deallocated from RAM and the pointer table is updated to point to the corresponding location in flash ROM.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: February 6, 2024
    Assignee: Ceremorphic, Inc.
    Inventors: Subba Reddy Kallam, Partha Sarathy Murali, Venkata Siva Prasad Pulagam, Anusha Biyyani, Venkatesh Vinjamuri, Shahabuddin Mohammed, Rahul Kumar Gurram, Akhil Soni
  • Patent number: 11775306
    Abstract: A multi-thread processor has a canonical thread map register which outputs a sequence of thread_id values indicating a current thread for execution. The thread map register is programmable to provide granularity of number of cycles of the canonical sequence assigned to each thread. In one example of the invention, the thread map register has repeating thread identifiers in a sequential or non-sequential manner to overcome memory latency and avoid thread stalls. In another example of the invention, separate interrupt tasks are placed on each thread to reduce interrupt processing latency.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: October 3, 2023
    Assignee: Ceremorphic, Inc.
    Inventors: Subba Reddy Kallam, Partha Sarathy Murali, Venkat Mattela, Venkata Siva Prasad Pulagam
  • Patent number: 11755096
    Abstract: A communications processor is operative in a plurality of modes including at least a high performance mode, a power savings mode with lower computational capability, and a shutdown mode with a wakeup capability. A memory for the communications processor has a high speed segment and a low speed segment, the high speed segment and low speed segment respectively on a high speed data bus and a low speed data bus, the high speed data bus and low speed data bus coupled by a bidirectional bridge.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: September 12, 2023
    Assignee: Silicon Laboratories Inc.
    Inventors: Partha Sarathy Murali, Suryanarayana Varma Nallaparaju, Kriyangbhai Vinodbhai Shah, Venkata Rao Gunturu, Subba Reddy Kallam, Mani Kumar Kothamasu
  • Publication number: 20230283491
    Abstract: A mesh receiver has a wakeup receiver for reception of a wakeup sequence formed by keyed RF or a sequence of wireless packets and gaps, a transmitter forming low speed RF wakeup sequence to other mesh stations, a mesh receiver for reception of high speed WLAN packets, the transmitter sending a wireless ACK packet in response to a wakeup sequence, the mesh receiver thereafter receiving wireless packets from a remote station, the mesh transmitter sending an ACK, the mesh station thereafter identifying a next hop station, and sending a wakeup sequence to that station, after receipt of an ACK, sending the data, the mesh receiver and mesh transmitter thereafter going to sleep.
    Type: Application
    Filed: May 10, 2023
    Publication date: September 7, 2023
    Applicant: Silicon Laboratories Inc.
    Inventors: Partha Sarathy MURALI, Ajay MANTHA, Nagaraj Reddy ANAKALA, Subba Reddy KALLAM, Venkat MATTELA
  • Patent number: 11665008
    Abstract: A mesh receiver has a wakeup receiver for reception of a wakeup sequence formed by keyed RF or a sequence of wireless packets and gaps, a transmitter forming low speed RF wakeup sequence to other mesh stations, a mesh receiver for reception of high speed WLAN packets, the transmitter sending a wireless ACK packet in response to a wakeup sequence, the mesh receiver thereafter receiving wireless packets from a remote station, the mesh transmitter sending an ACK, the mesh station thereafter identifying a next hop station, and sending a wakeup sequence to that station, after receipt of an ACK, sending the data, the mesh receiver and mesh transmitter thereafter going to sleep.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: May 30, 2023
    Assignee: Silicon Laboratories Inc.
    Inventors: Partha Sarathy Murali, Ajay Mantha, Nagaraj Reddy Anakala, Subba Reddy Kallam, Venkat Mattela
  • Patent number: 11640196
    Abstract: The present invention provides an analog-digital hybrid architecture, which performs 256 multiplications and additions at a time. The system comprises 256 Processing Elements (PE) (108), which are arranged in a matrix form (16 rows and 16 columns). The digital inputs (110) are converted to analog signal (114) using digital to analog converters (DAC) (102). One PE (108) produces one analog output (115) which is nothing but the multiplication of the analog input (114) and the digital weight input (112). The implementation of PE is done by using i) capacitors and switches and ii) resistor and switches. The outputs from multiple PEs (108) in a column are connected together to produce one analog MAC output (116). In the similar manner, the system produces 16 MAC outputs (118) corresponding to 16 columns. Analog to digital converters (ADC) (104) are used to convert the analog MAC output (116) to digital form (118).
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: May 2, 2023
    Assignee: Ceremorphic, Inc.
    Inventors: Subba Reddy Kallam, Venkat Mattela, Aravinth Kumar Ayyappannair Radhadevi, Sesha Sairam Regulagadda
  • Patent number: 11537190
    Abstract: A task processor has a low power connectivity processor and a high performance applications processor. Software processes have a component operative on a connectivity processor and a component operative on an applications processor. The low power connectivity processor is coupled to a low power front end for wireless packets and the high performance applications processor is coupled to a high performance front end. A power controller is coupled to the low power front end and enables the applications processor and high performance front end when wireless packets which require greater processing capacity are received, and removes power from the applications processor and high performance front end at other times.
    Type: Grant
    Filed: August 29, 2020
    Date of Patent: December 27, 2022
    Assignee: Silicon Laboratories Inc.
    Inventors: Partha Sarathy Murali, Subba Reddy Kallam, Venkat Mattela
  • Publication number: 20220206694
    Abstract: The present invention is an controller for dynamically allocating RAM between powersave code copied from ROM and transient RAM memory used for storing packets. When the utilization of the transient RAM memory is low, code segments are copied from ROM and executed from RAM using a RAM pointer table which is updated after the code segments are copied over from ROM, and when the utilization of the transient RAM memory is high, code segments are deallocated from RAM and the pointer table is updated to point to the corresponding location in flash ROM.
    Type: Application
    Filed: March 9, 2022
    Publication date: June 30, 2022
    Applicant: Ceremorphic, Inc.
    Inventors: Subba Reddy KALLAM, Partha Sarathy MURALI, Venkata Siva Prasad PULAGAM, Anusha BIYYANI, Venkatesh VINJAMURI, Shahabuddin MOHAMMED, Rahul Kumar GURRAM, Akhil SONI
  • Publication number: 20220209974
    Abstract: A mesh receiver has a wakeup receiver for reception of a wakeup sequence formed by keyed RF or a sequence of wireless packets and gaps, a transmitter forming low speed RF wakeup sequence to other mesh stations, a mesh receiver for reception of high speed WLAN packets, the transmitter sending a wireless ACK packet in response to a wakeup sequence, the mesh receiver thereafter receiving wireless packets from a remote station, the mesh transmitter sending an ACK, the mesh station thereafter identifying a next hop station, and sending a wakeup sequence to that station, after receipt of an ACK, sending the data, the mesh receiver and mesh transmitter thereafter going to sleep.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 30, 2022
    Applicant: Silicon Laboratories Inc.
    Inventors: Partha Sarathy MURALI, Ajay MANTHA, Nagaraj Reddy ANAKALA, Subba Reddy KALLAM, Venkat MATTELA
  • Publication number: 20220171629
    Abstract: A multi-thread processor has a canonical thread map register which outputs a sequence of thread_id values indicating a current thread for execution. The thread map register is programmable to provide granularity of number of cycles of the canonical sequence assigned to each thread. In one example of the invention, the thread map register has repeating thread identifiers in a sequential or non-sequential manner to overcome memory latency and avoid thread stalls. In another example of the invention, separate interrupt tasks are placed on each thread to reduce interrupt processing latency.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 2, 2022
    Applicant: Ceremorphic, Inc.
    Inventors: Subba Reddy KALLAM, Partha Sarathy MURALI, Venkat MATTELA, Venkata Siva Prasad PULAGAM
  • Patent number: 11307779
    Abstract: The present invention is an controller for dynamically allocating RAM between powersave code copied from ROM and transient RAM memory used for storing packets. When the utilization of the transient RAM memory is low, code segments are copied from ROM and executed from RAM using a RAM pointer table which is updated after the code segments are copied over from ROM, and when the utilization of the transient RAM memory is high, code segments are deallocated from RAM and the pointer table is updated to point to the corresponding location in flash ROM.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: April 19, 2022
    Assignee: Ceremorphic, Inc.
    Inventors: Subba Reddy Kallam, Partha Sarathy Murali, Venkata Siva Prasad Pulagam, Anusha Biyyani, Venkatesh Vinjamuri, Shahabuddin Mohammed, Rahul Kumar Gurram, Akhil Soni
  • Patent number: 11310063
    Abstract: A mesh receiver has a wakeup receiver for reception of a wakeup sequence formed by keyed RF or a sequence of wireless packets and gaps, a transmitter forming low speed RF wakeup sequence to other mesh stations, a mesh receiver for reception of high speed WLAN packets, the transmitter sending a wireless ACK packet in response to a wakeup sequence, the mesh receiver thereafter receiving wireless packets from a remote station, the mesh transmitter sending an ACK, the mesh station thereafter identifying a next hop station, and sending a wakeup sequence to that station, after receipt of an ACK, sending the data, the mesh receiver and mesh transmitter thereafter going to sleep.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: April 19, 2022
    Assignee: Silicon Laboratories Inc.
    Inventors: Partha Sarathy Murali, Ajay Mantha, Nagaraj Reddy Anakala, Subba Reddy Kallam, Venkat Mattela
  • Publication number: 20220100255
    Abstract: The present invention provides an analog-digital hybrid architecture, which performs 256 multiplications and additions at a time. The system comprises 256 Processing Elements (PE) (108), which are arranged in a matrix form (16 rows and 16 columns). The digital inputs (110) are converted to analog signal (114) using digital to analog converters (DAC) (102). One PE (108) produces one analog output (115) which is nothing but the multiplication of the analog input (114) and the digital weight input (112). The implementation of PE is done by using i) capacitors and switches and ii) resistor and switches. The outputs from multiple PEs (108) in a column are connected together to produce one analog MAC output (116). In the similar manner, the system produces 16 MAC outputs (118) corresponding to 16 columns. Analog to digital converters (ADC) (104) are used to convert the analog MAC output (116) to digital form (118).
    Type: Application
    Filed: August 30, 2021
    Publication date: March 31, 2022
    Applicant: Redpine Signals, Inc.
    Inventors: Subba Reddy KALLAM, Venkat MATTELA, Aravinth Kumar AYYAPPANNAIR RADHADEVI, Sesha Sairam Regulagadda
  • Patent number: 11288072
    Abstract: A multi-thread processor has a canonical thread map register which outputs a sequence of thread_id values indicating a current thread for execution. The thread map register is programmable to provide granularity of number of cycles of the canonical sequence assigned to each thread. In one example of the invention, the thread map register has repeating thread identifiers in a sequential or non-sequential manner to overcome memory latency and avoid thread stalls. In another example of the invention, separate interrupt tasks are placed on each thread to reduce interrupt processing latency.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: March 29, 2022
    Assignee: Ceremorphic, Inc.
    Inventors: Subba Reddy Kallam, Partha Sarathy Murali, Venkat Mattela, Venkata Siva Prasad Pulagam
  • Publication number: 20210365100
    Abstract: A communications processor is operative in a plurality of modes including at least a high performance mode, a power savings mode with lower computational capability, and a shutdown mode with a wakeup capability. A memory for the communications processor has a high speed segment and a low speed segment, the high speed segment and low speed segment respectively on a high speed data bus and a low speed data bus, the high speed data bus and low speed data bus coupled by a bidirectional bridge.
    Type: Application
    Filed: August 5, 2021
    Publication date: November 25, 2021
    Applicant: Silicon Laboratories Inc.
    Inventors: Partha Sarathy MURALI, Suryanarayana Varma NALLAPARAJU, Kriyangbhai Vinodbhai SHAH, Venkata Rao GUNTURU, Subba Reddy KALLAM, Mani Kumar KOTHAMASU
  • Patent number: 11112847
    Abstract: A communications system has a low power connectivity processor and a high performance applications processor. The low power connectivity processor is coupled to a low power front end for wireless packets and the high performance applications processor is coupled to a high performance front end. A power controller is coupled to the low power front end and enables the applications processor and high performance front end when wireless packets which require greater processing capacity are received, and removes power from the applications processor and high performance front end at other times.
    Type: Grant
    Filed: August 29, 2020
    Date of Patent: September 7, 2021
    Assignee: Silicon Laboratories Inc.
    Inventors: Partha Sarathy Murali, Subba Reddy Kallam, Venkat Mattela
  • Patent number: 11112849
    Abstract: A communications processor is operative in a plurality of modes including at least a high performance mode, a power savings mode with lower computational capability, and a shutdown mode with a wakeup capability. A memory for the communications processor has a high speed segment and a low speed segment, the high speed segment and low speed segment respectively on a high speed data bus and a low speed data bus, the high speed data bus and low speed data bus coupled by a bidirectional bridge.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: September 7, 2021
    Assignee: Silicon Laboratories Inc.
    Inventors: Partha Sarathy Murali, Suryanarayana Varma Nallaparaju, Kriyangbhai Vinodbhai Shah, Venkata Rao Gunturu, Subba Reddy Kallam, Mani Kumar Kothamasu
  • Patent number: 11106268
    Abstract: The present invention provides an analog-digital hybrid architecture, which performs 256 multiplications and additions at a time. The system comprises 256 Processing Elements (PE) (108), which are arranged in a matrix form (16 rows and 16 columns). The digital inputs (110) are converted to analog signal (114) using digital to analog converters (DAC) (102). One PE (108) produces one analog output (115) which is nothing but the multiplication of the analog input (114) and the digital weight input (112). The implementation of PE is done by using i) capacitors and switches and ii) resistor and switches. The outputs from multiple PEs (108) in a column are connected together to produce one analog MAC output (116). In the similar manner, the system produces 16 MAC outputs (118) corresponding to 16 columns. Analog to digital converters (ADC) (104) are used to convert the analog MAC output (116) to digital form (118).
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: August 31, 2021
    Assignee: Redpine Signals, Inc.
    Inventors: Subba Reddy Kallam, Venkat Mattela, Aravinth Kumar Ayyappannair Radhadevi, Sesha Sairam Regulagadda
  • Patent number: 11032766
    Abstract: A power saving wire-free earpiece has a Bluetooth transceiver and a Bluetooth Low Energy (BLE) transceiver. A stream of audio from a remote source is separated into a local audio stream and a stream sent to the BLE transceiver for a remote earpiece. The earpiece is operative in a first and second mode, the first mode enabling the BT transceiver and BLE transceiver, the second mode enabling only the BLE transceiver for receiving remote streams of data. The first and second mode alternate so that the local and remote earpiece have substantially uniform current requirements.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: June 8, 2021
    Assignee: Silicon Laboratories Inc.
    Inventors: Partha Sarathy Murali, Subba Reddy Kallam
  • Publication number: 20210075451
    Abstract: A communications system has a low power connectivity processor and a high performance applications processor. The low power connectivity processor is coupled to a low power front end for wireless packets and the high performance applications processor is coupled to a high performance front end. A power controller is coupled to the low power front end and enables the applications processor and high performance front end when wireless packets which require greater processing capacity are received, and removes power from the applications processor and high performance front end at other times.
    Type: Application
    Filed: August 29, 2020
    Publication date: March 11, 2021
    Applicant: Silicon Laboratories Inc.
    Inventors: Partha Sarathy MURALI, Subba Reddy KALLAM, Venkat MATTELA