Harikumar
Ajay Harikumar, Bangalore IN
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20090144531 | BOOTING WITH SUB SOCKET PARTITIONING - A method of booting up a computer system comprising a first multi-cored processor comprising a first plurality of cores and a second multi-cored processor comprising a second plurality of cores is disclosed. The method may comprise configuring a first partition comprising a first one or more cores from the first plurality of cores and from the second plurality of cores, configuring a second partition comprising a second one or more cores from the first plurality of cores and from the second plurality of cores, and configuring a third partition comprising a third one or more cores from the first plurality of cores and one or more cores from the second plurality of cores. | 06-04-2009 |
20090164730 | Method,apparatus,and system for shared cache usage to different partitions in a socket with sub-socket partitioning - A cache that supports sub-socket partitioning is discussed. Specifically, the cache supports different quality of service levels and victim cache line selection for a cache miss operation. The different quality of service levels allow for programmable ceiling usage and floor usage thresholds that allow for different techniques for victim cache line selection. | 06-25-2009 |
20090164739 | Method,system and apparatus for handling events for partitions in a socket with sub-socket partitioning - In one aspect, the issues of events that may impact one or more partitions of sub-socket partitioning in one or more sockets can be handled. Specifically, events for partitions can be handled in a socket with sub-socket partitioning, wherein the events may include reset, interrupts, errors and reliability, availability, and serviceability (RAS) management. | 06-25-2009 |
20090164747 | Method,system and apparatus for memory address mapping for sub-socket partitioning - Sub-socket partitioning is enabled using embodiments of the present invention. In one aspect, the memory mapping is performed to isolate memory access for each of the partitions by assigning a partition address and a generated physical address. | 06-25-2009 |
20090164751 | Method,system and apparatus for main memory access subsystem usage to different partitions in a socket with sub-socket partitioning - Embodiments enable sub-socket partitioning that facilitates access among a plurality of partitions to a shared resource. A round robin arbitration policy is to allow each partition, within a socket, that may utilize a different operating system, access to the shared resource based at least in part on whether an assigned bandwidth parameter for each partition is consumed. Embodiments may further include support for virtual channels. | 06-25-2009 |
20140089943 | METHOD, SYSTEM AND APPARATUS FOR HANDLING EVENTS FOR PARTITIONS IN A SOCKET WITH SUB-SOCKET PARTITIONING - In one aspect, the issues of events that may impact one or more partitions of sub-socket partitioning in one or more sockets can be handled. Specifically, events for partitions can be handled in a socket with sub-socket partitioning, wherein the events may include reset, interrupts, errors and reliability, availability, and serviceability (RAS) management. | 03-27-2014 |
Gopal Harikumar, Westford, MA US
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20090156218 | HANDING OFF ACTIVE CONNECTIONS - A connection is established between an access terminal and a first radio network controller through a first radio node. The first radio node is controllable primarily by the first radio network controller. The connection is maintained with the first radio network controller as the access terminal moves from a coverage area of the first radio node toward a coverage area of a second radio node. The second radio node is controllable primarily by a second radio network controller and controllable subordinately by the first radio network controller. A connection is also established through the second radio node. Upon a fulfillment of a predetermined criterion, the connection is transferred from the first radio network controller to the second radio network controller. | 06-18-2009 |
20100202362 | Network-Initiated Session Recovery - Techniques for network-initiated session recovery are described. A relationship is maintained between two identifiers both associated with a session between a first device and an access terminal in a wireless network. The first identifier is associated with the first device, and the second identifier is associated with a second device in communication with the first device. After a breach of the session, communications associated with the session are preserved based on the relationship between the first and second identifiers. | 08-12-2010 |
20110128851 | Reverse Link Power Control - This description describes examples of performing reverse link power control in a mobile network having a plurality of first modem devices that receive and transmit signals to wireless access terminals (ATs) and a second device in communication with the plurality of first devices. One of the first devices derives a first power control threshold (PCT) value for reverse link power of one of the access terminals (ATs) and the second device derives a second power control threshold (PCT) value for reverse link power of the one of the ATs. The second power control threshold (PCT) value is transmitted using a data traffic path and either the first PCT value or the second PCT value is selected. | 06-02-2011 |
Gopal Harikumar, Fremont, CA US
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20140302859 | LOAD-BASED DYNAMIC FRACTIONAL FREQUENCY REUSE IN AN LTE NETWORK - A services node or central controller or coordinator is provided that dynamically computes fractional frequency reuse allocation among user equipment in a radio access network. The central controller or coordinator communicates the fractional frequency reuse allocation and configures the individual MAC schedulers within each radio node in the radio access network. Inputs to the central coordinator may include its serving radio node, a detected set of radio nodes, and information about user equipment buffer status both in the downlink and uplink. In one implementation, interference graphs are constructed for downlinks and uplink separately and the same are used with a heuristic independent set algorithm to compute the frequency allocation. | 10-09-2014 |
20150029944 | HYBRID JOINT PROCESSING FOR USE IN A RADIO ACCESS NETWORK - A method of joint processing of data in a radio access network (RAN) that includes a plurality of radio nodes each associated with a cell and a services node operatively coupled to the radio nodes is provided. The services node provides connectivity to a core network. The method includes determining that a plurality of first UEs (User Equipment) each being serviced by a selected set of the cells is to operate in accordance with a hybrid joint processing scheme. Information is transferred between the plurality of first UEs and the radio nodes in accordance with the hybrid joint processing scheme by performing L1 layer processing on the radio nodes and L2 layer processing at the services node. | 01-29-2015 |
Gopal Harikumar, South Bend, IN US
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20120183034 | Spectrally constrained impulse shortening filter for a discrete multi-tone receiver - A channel in a multiple carrier communication system is equalized by computing a target spectral response, shortening the impulse response of the channel so that a significant part of an energy of the impulse response is confined to a region that is shorter than a target length and filtering the signal based on the target spectral response. | 07-19-2012 |
Gopal Harikumar, Waltham, MA US
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20090003421 | TIME-DOMAIN EQUALIZATION FOR DISCRETE MULTI-TONE SYSTEMS - A multiple carrier communication system includes a primary impulse shortening filter that receives an output signal of an analog to digital converter and accepts coefficients. A secondary impulse shortening filter receives the output signal of the analog to digital converter, outputs an output signal, and passes coefficients to the primary impulse shortening filter. A reference signal generator outputs a reference signal. A comparator compares the output signal and the reference signal and outputs a resulting error signal. An adaptive processor computes coefficients for the secondary impulse shortening filter based on the error signal. | 01-01-2009 |
20090022216 | SPECTRALLY CONSTRAINED IMPULSE SHORTENING FILTER FOR A DISCRETE MULTI-TONE RECEIVER - A channel in a multiple carrier communication system is equalized by computing a target spectral response, shortening the impulse response of the channel so that a significant part of an energy of the impulse response is confined to a region that is shorter than a target length and filtering the signal based on the target spectral response. | 01-22-2009 |
20090318162 | BOOSTING A SIGNAL-TO-INTERFERENCE RATIO OF A MOBILE STATION - In a cell of a cellular wireless communication system, the SIR of at least one user in a sector of the cell is altered by temporarily reducing transmissions on a forward link in at least one other sector of the cell or a sector in another cell in accordance with a pattern. | 12-24-2009 |
20110065464 | BOOSTING A SIGNAL-TO-INTERFERENCE RATIO OF A MOBILE STATION - In a cell of a cellular wireless communication system, the SIR of at least one user in a sector of the cell is altered by temporarily reducing transmissions on a forward link in at least one other sector of the cell or a sector in another cell in accordance with a pattern. | 03-17-2011 |
Gopal Harikumar, Norwood, MA US
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20110293053 | TIME-DOMAIN EQUALIZATION FOR DISCRETE MULTI-TONE SYSTEMS - A multiple carrier communication system includes a primary impulse shortening filter that receives an output signal of an analog to digital converter and accepts coefficients. A secondary impulse shortening filter receives the output signal of the analog to digital converter, outputs an output signal, and passes coefficients to the primary impulse shortening filter. A reference signal generator outputs a reference signal. A comparator compares the output signal and the reference signal and outputs a resulting error signal. An adaptive processor computes coefficients for the secondary impulse shortening filter based on the error signal. | 12-01-2011 |
20130208778 | Filter For Impulse Response Shortening With Additional Spectral Constraints For Multicarrier Transmission - A channel in a multiple carrier communication system is equalized by computing a desired spectral response, shortening the impulse response of the channel so that a significant part of an energy of the impulse response is confined to a region that is shorter than a target length and filtering the signal based on the desired spectral response. A multiple carrier communication system may include a primary impulse shortening filter that receives an output signal of an analog to digital converter and accepts coefficients. A secondary impulse shortening filter may receive the output signal of the analog to digital converter, output an output signal, and pass coefficients to the primary impulse shortening filter. A reference signal generator may output a reference signal. A comparator may compare the output signal and the reference signal and output a resulting error signal. An adaptive processor may compute coefficients for the secondary impulse shortening filter based on the error signal. | 08-15-2013 |
Krishnan R. Harikumar, Toronto CA
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20090208672 | Method of linear patterning at surfaces - The present invention provides a process for partially covering solid crystalline surfaces with lines of selected atoms or molecules, a procedure known as the atomic or molecular ‘patterning’ of such surfaces. The method utilizes a mechanism of Dipole-Induced Assembly (DIA) for the growth of lines of physisorbed dipolar molecules on crystalline surfaces is disclosed. In an exemplary embodiment, physisorbed 1,5 dichloropentane (DCP) on Si(100)−2×1 at room temperature is shown by scanning tunneling microscopy (STM) to self-assemble into molecular lines that grow predominantly perpendicular to the Si-dimer rows. Extensive simulations indicate that the trigger for formation of these lines is the displacement of surface charge by the dipolar adsorbate, giving rise to an induced uni-directional surface-field and hence surface buckling. | 08-20-2009 |
Padmanabhkurup Harikumar, Mumbai IN
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20100184132 | Enzymatic Process for Debittering of Protein Hydrolysate Using Immobilized Peptidases - A method for enzymatic debittering of protein hydrolysates comprising the steps of isolating the protein hydrolysates from animal and plant source, reacting the said protein hydrolysates with peptidases immobilized on calcium alginate beads packed in a column. | 07-22-2010 |