Patents by Inventor Rajiv Laroia

Rajiv Laroia 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: 9432817
    Abstract: Systems and methodologies are described that facilitate transmitting at least two different types of information in a single signal, whereby the different types of information can be encoded and decoded independently. Thus, changes to one type of information does not affect a second type of information.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: August 30, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Junyi Li, Thomas J. Richardson, Rajiv Laroia
  • Patent number: 9426365
    Abstract: Methods and apparatus for processing images captured by a camera device including multiple optical chains, e.g., camera modules, are described. Three, 4, 5 or more optical chains maybe used. Different optical chains capture different images due to different perspectives. Multiple images, e.g., corresponding to different perspectives, are captured during a time period and are combined to generate a composite image. In some embodiments one of the captured images or a synthesized image is used as a reference image during composite image generation. The image used as the reference image is selected to keep the perspective of sequentially generated composite images consistent despite unintentional came movement and/or in accordance with an expected path of travel. Thus, which camera module provides the reference image may vary over time taking into consideration unintended camera movement. Composite image generation may be performed external to the camera device or in the camera device.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: August 23, 2016
    Assignee: THE LIGHTCO INC.
    Inventors: Rajiv Laroia, Sapna A Shroff
  • Patent number: 9426013
    Abstract: OFDM signal communication methods and apparatus are described. In accordance with the invention OFDM signals are generated in the time domain with symbols being mapped to specific points in time. Training symbols may be included in the transmitted OFDM signal to facilitate symbol recovery. An exemplary receiver of the invention receives the OFDM signal from the communications channel, converts it into the frequency domain, and then filters it in the frequency domain to eliminate tones corresponding to other users. The filtered signal free of MAC interference is then converted into the time domain where channel estimation and compensation operations are performed. After channel compensation symbol recovery is performed in the time domain.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: August 23, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Junyi Li
  • Patent number: 9423588
    Abstract: Methods and apparatus for performing a zoom operation are described using multiple optical chains in a camera device. At least one optical chain in the camera device includes a moveable light redirection device, said light redirection device being one of a substantially plane mirror or a prism. The moveable light redirection device is moved to a position in accordance with a zoom setting, and a portion of a scene area of interest in captured. Different discrete zoom setting values correspond to different positions of the moveable light redirection device resulting in different capture areas. In some embodiments, multiple optical chains with moveable light redirection devices are used to capture different portions of a scene of interest. A composite image is generated from a plurality of captured images corresponding to different optical chains. A higher zoom setting corresponds to more overlap between captured images of different optical chains.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: August 23, 2016
    Assignee: THE LIGHTCO INC.
    Inventor: Rajiv Laroia
  • Patent number: 9426012
    Abstract: A method for reducing the peak-to-average ratio in an OFDM communication signal is provided. The method includes defining a constellation having a plurality of symbols, defining a symbol duration for the OFDM communication signal, and defining a plurality of time instants in the symbol duration. A plurality of tones are allocated to a particular communication device, and a discrete signal is constructed in the time domain by mapping symbols from the constellation to the time instants. A continuous signal is generated by applying an interpolation function to the discrete signal such that the continuous signal only includes sinusoids having frequencies which are equal to the allocated tones.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 23, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Junyi Li, Sathyadev Venkata Uppala
  • Publication number: 20160205326
    Abstract: Methods and apparatus for implementing a camera having a depth which is less than the maximum length of the outer lens of at least one optical chain of the camera are described. In some embodiments a light redirection device, e.g., a mirror, is used to allow a relatively long optical chain with a relatively large non-circular outer lens. In some embodiments the light redirection device has a depth, e.g., front of camera to back of camera dimension, which is less than the maximum length of the aperture of the outer lens in the aperture's direction of maximum extent. Multiple optical chains with non-circular outer lenses arranged in different directions may and in some embodiments are used to capture images with the captured images being combined to generate a composite image.
    Type: Application
    Filed: March 21, 2016
    Publication date: July 14, 2016
    Inventor: Rajiv Laroia
  • Publication number: 20160182777
    Abstract: A camera device with a sensor which is mounted at an angle relative to a mounting surface or other reference surface is described. Camera modules, which include mirrors for light redirection, which are mounted at different angles in the camera device have sensors with different amounts of rotation. In some embodiments modules without mirrors use camera modules without rotated sensors while camera modules with mirrors may or may not use sensors which are rotated depending on the angle at which the modules are mounted in the camera device. By rotating the sensors of some camera modules rotation that maybe introduced by the angle at which a camera module is mounted can be offset. The images captured by different camera modules are combined in some embodiments without the need for computationally rotating an image thanks to the rotation of the sensor in the camera module used to capture the image.
    Type: Application
    Filed: December 21, 2015
    Publication date: June 23, 2016
    Inventors: Rajiv LAROIA, Sapna A. SHROFF
  • Patent number: 9374514
    Abstract: Camera methods and apparatus are described where the camera device includes multiple optical chains. In various embodiments two or more of the optical chains include light redirection devices such as mirrors or prisms. Sensors corresponding to multiple different optical chains, but not necessarily all optical chains, are parallel to each other. In some embodiments sensors corresponding to different optical chains are located in the same plane at the front or rear of the camera. However other sensor mounting positions are also possible.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: June 21, 2016
    Assignee: THE LIGHTCO INC.
    Inventor: Rajiv Laroia
  • Patent number: 9369943
    Abstract: Devices, systems, or methods provide seamless transitioning of communication session(s) across a variety of resources (e.g., cellular telephone, car phones, voice over internet protocol (VOIP), WiFi, web-based communications, conventional analog phones, global positioning systems (GPS), numerous communications services providers, a variety of communications protocols, services, etc.) to exploit functionalities associated therewith and mitigate users' having to end a communication session, and initiate another session in order to utilize different set(s) of available resources.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: June 14, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Junyi Li, Frank A. Lane, Rajiv Laroia
  • Publication number: 20160157260
    Abstract: Methods and apparatus related to peer to peer communication networks are described. Embodiments directed to methods and apparatus for establishing traffic data transmission rates and/or transmission power levels between wireless terminals is described. Embodiments direct to methods and apparatus of making decisions whether or not to transmit as a function of the received power of the received response signals are also described. Transmission of pilot signals after granting of a transmission request and a decision to transmit traffic data has been made occurs in some embodiments. Rate information to be used in determining a traffic rate may be received in response to the pilot signal from a peer to peer (P2P) device.
    Type: Application
    Filed: February 2, 2016
    Publication date: June 2, 2016
    Inventors: Rajiv Laroia, Junyi Li, Thomas Richardson, Xinzhou Wu, Aleksandar Jovicic
  • Publication number: 20160139375
    Abstract: Methods and apparatus for capturing or generating images using multiple optical chains operating in parallel are described. Pixel values captured by individual optical chains corresponding to the same scene area are combined to provide an image with at least some of the benefits which would have been provided by capturing an image of the scene using a larger lens than that of the individual lenses of the optical chain modules. By using multiple optical chains in parallel at least some benefits normally obtained from using a large lens can be obtained without the need for a large lens. Furthermore in at least some embodiments, a wide dynamic range can be supported through the use of multiple sensors with the overall supported dynamic range being potentially larger than that of the individual sensors. Some lens and/or optical chain configurations are designed for use in small handheld devices, e.g., cell phones.
    Type: Application
    Filed: January 27, 2016
    Publication date: May 19, 2016
    Inventor: Rajiv LAROIA
  • Patent number: 9338767
    Abstract: Wireless terminals and base stations support multiple modes of control channel operation wherein wireless terminals are allocated different amounts of uplink resources for reporting control information. A set of control channel segments is utilized by a wireless terminal to communicate uplink control information reports to its serving base station attachment point. Full tone and split-tone modes of control channel operation are supported. In full tone mode, a single wireless terminal is allocated each of the control channel segments associated with a single logical tone. In split tone mode, control channel segments associated with a single logical tone are allocated between different wireless terminals, with each of the multiple wireless terminals receiving a different non-overlapping subset of the control channel segments. Logical control channel tones can be dynamically reallocated for full-tone mode use or split tone mode use.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: May 10, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Vladimir Parizhsky, Rajiv Laroia, Junyi Li, Sathyadev Venkata Uppala, Arnab Das
  • Patent number: 9325906
    Abstract: Methods and apparatus for implementing a camera having a depth which is less than the maximum length of the outer lens of at least one optical chain of the camera are described. In some embodiments a light redirection device, e.g., a mirror, is used to allow a relatively long optical chain with a relatively large non-circular outer lens. In some embodiments the light redirection device has a depth, e.g., front of camera to back of camera dimension, which is less than the maximum length of the aperture of the outer lens in the aperture's direction of maximum extent. Multiple optical chains with non-circular outer lenses arranged in different directions may and in some embodiments are used to capture images with the captured images being combined to generate a composite image.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: April 26, 2016
    Assignee: THE LIGHTCO INC.
    Inventor: Rajiv Laroia
  • Publication number: 20160112650
    Abstract: In various embodiments a camera with multiple optical chains, e.g., camera modules, is controlled to operate in one of a variety of supported modes of operation. The modes include a non-motion mode, a motion mode, a normal burst mode and/or a reduced data burst mode. Motion mode is well suited for capturing an image including motion, e.g., moving object(s) with some modules being used to capture scene areas using a shorter exposure time than other modules and the captured images then being combined taking into consideration locations of motion. A reduced data burst mode is supported in some embodiments in which camera modules with different focal lengths capture images at different rates. While the camera modules of different focal length operate at different image capture rates in the reduced data burst mode, images are combined to support a desired composite image output rate, e.g., a desired frame rate.
    Type: Application
    Filed: October 17, 2015
    Publication date: April 21, 2016
    Inventors: Rajiv Laroia, Nitesh Shroff, Sapna A. Shroff
  • Publication number: 20160112637
    Abstract: In various embodiments a camera with multiple optical chains, e.g., camera modules, is controlled to operate in one of a variety of supported modes of operation. The modes include a non-motion mode, a motion mode, a normal burst mode and/or a reduced data burst mode. Motion mode is well suited for capturing an image including motion, e.g., moving object(s) with some modules being used to capture scene areas using a shorter exposure time than other modules and the captured images then being combined taking into consideration locations of motion. A reduced data burst mode is supported in some embodiments in which camera modules with different focal lengths capture images at different rates. While the camera modules of different focal length operate at different image capture rates in the reduced data burst mode, images are combined to support a desired composite image output rate, e.g., a desired frame rate.
    Type: Application
    Filed: October 17, 2015
    Publication date: April 21, 2016
    Inventors: Rajiv Laroia, Nitesh Shroff, Sapna A. Shroff
  • Patent number: 9282228
    Abstract: Methods and apparatus for capturing or generating images using multiple optical chains operating in parallel are described. Pixel values captured by individual optical chains corresponding to the same scene area are combined to provide an image with at least some of the benefits which would have been provided by capturing an image of the scene using a larger lens than that of the individual lenses of the optical chain modules. By using multiple optical chains in parallel at least some benefits normally obtained from using a large lens can be obtained without the need for a large lens. Furthermore in at least some embodiments, a wide dynamic range can be supported through the use of multiple sensors with the overall supported dynamic range being potentially larger than that of the individual sensors. Some lens and/or optical chain configurations are designed for use in small handheld devices, e.g., cell phones.
    Type: Grant
    Filed: January 5, 2014
    Date of Patent: March 8, 2016
    Assignee: THE LIGHTCO INC.
    Inventor: Rajiv Laroia
  • Patent number: 9277470
    Abstract: In many cellular systems, reusing spectrum bandwidth, creates problems in boundary regions between the cells and sectors where the signal strength received from adjacent base stations or adjacent sector transmissions of a single base station may be nearly equivalent. The invention creates a new type of diversity, referred to as multiple carrier diversity by utilizing multiple carriers, assigning different power levels to each carrier frequency at each base station, and/or offsetting sector antennas. The cell and/or sector coverage areas can be set so as to minimize or eliminate overlap between cell and/or sector boundary regions of different carrier frequencies. Mobile nodes traveling throughout the system can exploit multiple carrier diversity by detecting carriers and selecting to use a non-boundary carrier based on other system criteria in order to improve performance. Boundary carriers may, but need not be, identified and excluded from consideration for use by a wireless terminal.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: March 1, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Junyi Li, Sathyadev Venkata Uppala
  • Patent number: 9277481
    Abstract: A wireless terminal supports both peer to peer communications and access node based communications. The wireless terminal considers and evaluates communications link alternatives and selects between (i) communication using a peer to peer link and (ii) communications using a link, with a base station serving as an access node, Received signals corresponding to each of the link alternatives are used in performing link quality determinations. In one example, a received user beacon signal from a peer wireless terminal is the received signal used for the peer to peer link evaluation and a: base station beacon signal is the received signal used for the access node link evaluation. A link is selected as a function of quality determination, predicted data throughput, link maintenance energy requirements, and/or least cost routing determination information.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: March 1, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Frank A. Lane, Junyi Li, Thomas J. Richardson
  • Patent number: 9270876
    Abstract: Methods and apparatus for capturing or generating images using multiple optical chains operating in parallel are described. Pixel values captured by individual optical chains corresponding to the same scene area are combined to provide an image with at least some of the benefits which would have been provided by capturing an image of the scene using a larger lens than that of the individual lenses of the optical chain modules. By using multiple optical chains in parallel at least some benefits normally obtained from using a large lens can be obtained without the need for a large lens. Furthermore in at least some embodiments, a wide dynamic range can be supported through the use of multiple sensors with the overall supported dynamic range being potentially larger than that of the individual sensors. Some lens and/or optical chain configurations are designed for use in small handheld devices, e.g., cell phones.
    Type: Grant
    Filed: January 5, 2014
    Date of Patent: February 23, 2016
    Assignee: THE LIGHTCO INC.
    Inventor: Rajiv Laroia
  • Patent number: 9264907
    Abstract: A method and system are provided that allows a wireless terminal to share an allocated frequency spectrum for communications over two different networks while mitigating cross interference. For wireless terminals equipped with a single antenna, interference mitigation may be achieved by allocating first communication channels to a first network and allocating second communication channels to a second network, wherein the second communication channels are allocated within one or more of the first communication channels. For wireless terminals having multiple antennas, interference mitigation may be achieved with two orthogonally polarized antennas, where each antenna is used for communications with a different network.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: February 16, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Junyi Li, Xinzhou Wu