Patents by Inventor Kenneth A. Stewart

Kenneth A. Stewart 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).

  • Publication number: 20080049851
    Abstract: A method in a wireless communication terminal (103), including receiving a radio resource allocation comprising a plurality of sub-carriers that is a subset of available sub-carriers, wherein the available sub-carriers include a DC sub-carrier, wherein the DC sub-carrier and all but one edge-most sub-carrier of the plurality of sub-carriers are designated for transmission if the DC sub-carrier is between any two sub-carriers of the allocation, and all of the sub-carriers except the DC sub-carrier from the plurality of sub-carriers are designated for transmission if the DC sub-carrier is not between any two sub-carriers of the allocation.
    Type: Application
    Filed: August 22, 2006
    Publication date: February 28, 2008
    Applicant: MOTOROLA, INC.
    Inventors: Vijay Nangia, Kevin L. Baum, Brian K. Classon, Hyejung Jung, Robert T. Love, Kenneth A. Stewart
  • Publication number: 20080049690
    Abstract: A method in a wireless communication terminal (103) including receiving a plurality of sub-frames having time-frequency resource elements and resource allocation fields associated with a corresponding sub-frame, wherein the resource allocation fields indicate a resource assignment. In another embodiment, terminal receives a radio frame comprising a plurality of sub-frames and a frequency diverse allocation field indicating frequency diverse resource allocations in multiple sub-frames of the radio frame.
    Type: Application
    Filed: August 23, 2006
    Publication date: February 28, 2008
    Applicant: MOTOROLA, INC.
    Inventors: Ravi Kuchibhotla, Brian K. Classon, Robert T. Love, Ravikiran Nory, Philippe J. Sartori, Kenneth A. Stewart, Yakun Sun, Anup K. Talukdar
  • Publication number: 20080025254
    Abstract: A wireless communication entity schedulable in a wireless communication network, including a controller (603) communicably coupled to a power amplifier (608), wherein the controller varies a spectrum emissions level of the wireless communication entity based on the radio resource assignment information receiver by the radio receiver.
    Type: Application
    Filed: July 25, 2006
    Publication date: January 31, 2008
    Applicant: MOTOROLA INC
    Inventors: ROBERT T. LOVE, ARMIN W. KLOMSDORF, DALE G. SCHWENT, KENNETH A. STEWART, DAVID R. WILSON
  • Publication number: 20070268870
    Abstract: A wireless communication infrastructure entity 200 and methods therein including assigning a first wireless communication terminal to one or more resources, and sending non-scheduling information to the first wireless communication terminal on an RRBP field in a downlink block based on whether information is received from the first wireless communication terminal on the assigned resource.
    Type: Application
    Filed: May 18, 2006
    Publication date: November 22, 2007
    Applicant: MOTOROLA INC
    Inventors: Michael E. Buckley, Jeffrey C. Smolinske, Kenneth A. Stewart
  • Publication number: 20070268834
    Abstract: A wireless communication network entity 400 and a method therein wherein data is encoded using an error correcting code to form a first codeword, for example, a cyclic redundancy code, including redundancy. A second codeword is generated by encoding additional data on a portion of the first codeword, wherein the portion of the first codeword on which the additional data is encoded being within an error correction capability of the first codeword.
    Type: Application
    Filed: May 18, 2006
    Publication date: November 22, 2007
    Applicant: MOTOROLA INC
    Inventors: Michael E. Buckley, Raja S. Bachu, Jeffrey C. Smolinske, Kenneth A. Stewart
  • Publication number: 20070249380
    Abstract: Disclose is a synchronized wireless communication network (100) operating in single frequency network mode comprising a first base station (502) broadcasting, on a first channel, broadcast data and a common sequence (508) that is generated from a first channel identifier, and wherein the first base station transmits data on a common control channel. A second base station (510), adjacent to the first base station and synchronized with the first base station, the second base station simultaneously broadcasting on the first channel the broadcast data and the common sequence, and wherein the second base station transmits data on a common control channel.
    Type: Application
    Filed: April 19, 2006
    Publication date: October 25, 2007
    Inventors: Kenneth Stewart, Raja Bachu, Michael Buckley, Robert Love, Eric Schorman, Jeffrey Smolinske
  • Publication number: 20070248037
    Abstract: Disclose is a synchronized wireless communication network (100) operating in single frequency network mode comprising a first base station (502) broadcasting, on a first channel, broadcast data and a common sequence (508) that is generated from a first channel identifier, and wherein the first base station transmits data on a common control channel. A second base station (510), adjacent to the first base station and synchronized with the first base station, the second base station simultaneously broadcasting on the first channel the broadcast data and the common sequence, and wherein the second base station transmits data on a common control channel.
    Type: Application
    Filed: April 19, 2006
    Publication date: October 25, 2007
    Inventors: Kenneth Stewart, Raja Bachu, Michael Buckley, Robert Love, Eric Schorman, Jeffrey Smolinske
  • Publication number: 20070230400
    Abstract: A method for sleep mode during an impending handover is disclosed. The method comprises receiving (104) from a network a handover threshold value. Then once in sleep mode, monitoring (128) a channel condition of a handover candidate cell and determining that the handover threshold value of the handover candidate cell has been exceeded. After receiving a pending data indicator, remaining awake (134) to receive a data set associated with the pending data indicator. The network re-schedules (218) transmission of the data set to the mobile station.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 4, 2007
    Inventors: Ravi Kuchibhotla, Robert Love, Kenneth Stewart
  • Publication number: 20070221362
    Abstract: Apparatus for disinfecting fluid, the apparatus including a preheat heat exchanger (4) and a disinfection tank (5). The preheat exchanger heats the fluid to a first temperature and includes a first inlet for receiving the fluid (2), a first outlet for supplying preheated fluid at the first temperature, a second inlet for receiving disinfected fluid substantially at a second temperature and a second outlet for supplying the disinfected fluid (3). The disinfection tank heats the fluid to a second temperature and includes a heat source (10), an inlet for receiving the preheated fluid, a heat exchanger coupled to the inlet for heating the preheated fluid to a second temperature to thereby disinfect the fluid (11) and, an outlet coupled to the heat exchanger for providing the disinfected fluid to the second inlet of the preheat heat exchanger.
    Type: Application
    Filed: April 22, 2005
    Publication date: September 27, 2007
    Inventors: Murray Kenneth Stewart, John Aitken
  • Publication number: 20070223614
    Abstract: A wireless communication network (100) wherein a network entity assigns one or more symbol vectors to each of a plurality of communication entities in the network for substantially simultaneous communication on a common time frequency radio resource also assigned to the plurality of communication entities. The vectors assigned to the multiple entities may be common or unique or both.
    Type: Application
    Filed: March 23, 2006
    Publication date: September 27, 2007
    Inventors: Ravi Kuchibhotla, Robert Love, Kenneth Stewart
  • Patent number: 7260770
    Abstract: A method of block puncturing for turbo code based incremental redundancy includes a first step (1200) of coding an input data stream into systematic bits and parity bits. A next step (1202) includes loading the systematic bits and parity bits into respective systematic and parity block interleavers in a column-wise manner. A next step (1204) includes selecting a predefined redundancy. A next step (1206) includes outputting bits from the block interleavers in a row-wise manner in accordance with the selected predefined redundancy.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: August 21, 2007
    Assignee: Motorola, Inc.
    Inventors: Kenneth A. Stewart, Amitava Ghosh, Michael E. Buckley, Raja S. Bachu, Rapeepat Ratasuk
  • Publication number: 20070183307
    Abstract: A method and apparatus is provided for transmitting an orthogonal frequency domain multiple access (OFDMA) signal including a synchronization channel signal transmitted within a localized portion of a bandwidth of the OFDMA signal (818), the synchronization channel signal having predetermined time domain symmetry within the localized portion of the bandwidth (816) and including information for providing at least partial cell identification information (812). The synchronization channel signal enables an initial acquisition and cell search method with low computational load which provides OFDMA symbol timing detection and frequency error detection (1112) and frame boundary detection and cell specific information detection (1114) in an OFDMA system supporting multiple system bandwidths, both synchronized and un-synchronized systems, a large cell index and an OFDMA symbol structure with both short and long cyclic prefix length.
    Type: Application
    Filed: February 8, 2006
    Publication date: August 9, 2007
    Inventors: Hidenori Akita, Kevin Baum, Brian Classon, Masaya Fukuta, Hiroshi Hayashi, Vijay Nangia, Robert Love, Kenneth Stewart
  • Publication number: 20070183391
    Abstract: A method and apparatus is provided for transmitting an orthogonal frequency domain multiple access (OFDMA) signal including a synchronization channel signal transmitted including a plurality of sequence elements intereleaved in time and frequency (610, 640). The synchronization channel signal sequence elements enable an initial acquisition and cell search method with low computational load by providing predetermined time domain symmetry (702, 704) for common sequence elements in OFDMA symbol periods (620, 660) for OFDMA symbol timing detection and frequency error detection in an OFDMA system supporting multiple system bandwidths, both synchronized and un-synchronized systems, a large cell index and an OFDMA symbol structure with both short and long cyclic prefix length.
    Type: Application
    Filed: February 8, 2006
    Publication date: August 9, 2007
    Inventors: Hidenori Akita, Kevin Baum, Brian Classon, Masaya Fukuta, Hiroshi Hayashi, Vijay Nangia, Robert Love, Kenneth Stewart
  • Publication number: 20070183355
    Abstract: Disclosed is a method for mobile assisted sleep mode to reduce current drain in packet based mobile systems. The method comprising the step of receiving (102) from a network a channel condition threshold. Then, monitoring (104) a channel condition while in sleep mode. Then exiting (110) sleep mode in response to the determination (108) that the monitored channel condition is greater than the channel condition threshold.
    Type: Application
    Filed: February 9, 2006
    Publication date: August 9, 2007
    Inventors: Ravi Kuchibhotla, Raja Bachu, Robert Love, Ravikiran Nory, Kenneth Stewart
  • Publication number: 20070183306
    Abstract: A method and apparatus is provided for transmitting an orthogonal frequency domain multiple access (OFDMA) signal including a synchronization channel signal transmitted within a localized portion of a bandwidth of the OFDMA signal (818), the synchronization channel signal having predetermined time domain symmetry within the localized portion of the bandwidth (816). The synchronization channel signal enables an initial acquisition and cell search method with low computational load which provides OFDMA symbol timing detection and frequency error detection by differential processing of sequence elements of the synchronization channel signal (1112) and frame boundary detection and cell specific information detection (1114) in an OFDMA system supporting multiple system bandwidths, both synchronized and un-synchronized systems, a large cell index and an OFDMA symbol structure with both short and long cyclic prefix length.
    Type: Application
    Filed: February 8, 2006
    Publication date: August 9, 2007
    Inventors: Hidenori Akita, Kevin Baum, Brian Classon, Masaya Fukuta, Hiroshi Hayashi, Vijay Nangia, Robert Love, Kenneth Stewart
  • Publication number: 20070173276
    Abstract: A wireless communication entity schedulable in a wireless communication network, including a controller (603) communicably coupled to a power amplifier (608), wherein the controller varies a maximum transmit power of the wireless communication entity based on the radio resource assignment information receiver by the radio receiver.
    Type: Application
    Filed: January 23, 2006
    Publication date: July 26, 2007
    Inventors: Robert Love, Brian Classon, Edgar Fernandes, Armin Klomsdorf, Vijay Nangia, Ravikiran Nory, Dale Schwent, Kenneth Stewart, David Wilson
  • Publication number: 20070173260
    Abstract: A method in a wireless communication network infrastructure scheduling entity, including allocating a radio resource to a schedulable wireless communication entity in the wireless communication network, the radio resource allocated based on a maximum power available to the schedulable wireless communication entity for the radio resource allocated, the radio resource allocated based on an interference impact of the schedulable wireless communication entity operating on the radio resource allocated.
    Type: Application
    Filed: January 23, 2006
    Publication date: July 26, 2007
    Inventors: Robert Love, Brian Classon, Edgar Fernandes, Armin Klomsdorf, Vijay Nangia, Ravikiran Nory, Dale Schwent, Kenneth Stewart, David Wilson
  • Publication number: 20070173162
    Abstract: The present invention relates to nonwoven webs or fabrics. In particular, the present invention relates to nonwoven webs having superior abrasion resistance and excellent softness characteristics. The nonwoven materials comprise fibers made from of a polymer blend of isotactic polypropylene, reactor grade propylene based elastomers or plastomers, and optionally, a homoge-neously branched ethylene/alpha olefin plastomer or elastomer. The isotactic polypropylene can be homopolymer polypropylene, and random copolymers of propylene and one or more alpha-olefins. The reactor grade propylene based elastomers or plastomers plastomer have a molecular weight distribution of less than about 3.5, and a heat of fusion less than about 90 joules/gm. In particular, the reactor grade propylene based elastomers or plastomers contains from about 3 to about 15 percent by weight of units derived from an ethylene, and a melt flow rate of from about 2 to about 200 grams/10 minutes.
    Type: Application
    Filed: April 8, 2005
    Publication date: July 26, 2007
    Inventors: Samuel Ethiopia, Gert Claasen, Rajen Patel, Kenneth Stewart, Thomas Allgeuer, Edward Knickerbocker, Randy Pepper, Thomas Pressly
  • Publication number: 20070124654
    Abstract: An apparatus and method for receiving a message stream on a channel. A message is received on the channel. Information regarding the bits of a successfully decoded message is added to a message attributes list if the message is successfully decoded. An attempt is made to decode a subsequent message based on the information in the message attributes list.
    Type: Application
    Filed: November 30, 2005
    Publication date: May 31, 2007
    Inventors: Jeffrey Smolinske, Michael Buckley, Kenneth Stewart
  • Publication number: 20070121543
    Abstract: A method in a wireless communication network (100) wherein information is communicated in a frame structure wherein each frame includes multiple sub-frames, including grouping at least two wireless communication terminals in a group, assigning the group to less than all sub-frames constituting a communication frame, and assigning a radio resource assignment control channel of one or more assigned sub-frames to the group. The control channel is used to assign radio resources to one or more terminals of the group.
    Type: Application
    Filed: October 4, 2005
    Publication date: May 31, 2007
    Inventors: Ravi Kuchibhotla, Brian Classon, Mark Cudak, Amitava Ghosh, Robert Love, Kenneth Stewart, Yakun Sun, Weimin Xiao