Patents by Inventor Rajeev Agrawal

Rajeev Agrawal 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: 20150065108
    Abstract: Systems, methods, apparatuses, and computer program products relating to coordinated scheduling with adaptive muting are provided. One method comprises transmitting, by a network element, calculated impact information for a cell of the network element when taking an action related to a cell of the network element and/or taking an action related to a cell of a second network element.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 5, 2015
    Applicant: NOKIA SIEMENS NETWORKS OY
    Inventors: Anand BEDEKAR, Rajeev AGRAWAL, Suresh KALYANASUNDARAM, Naveen ARULSELVAN, Troels Emil KOLDING, Hans KROENER
  • Publication number: 20150063222
    Abstract: Systems, methods, apparatuses, and computer program products relating to coordinated scheduling with adaptive muting are provided. One method comprises transmitting, by a network element, calculated impact information for a cell of the network element when taking an action related to a cell of the network element and/or taking an action related to a cell of a second network element.
    Type: Application
    Filed: February 7, 2014
    Publication date: March 5, 2015
    Applicant: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Xiaoyi WANG, Eugene VISOTSKY, Anand BEDEKAR, Bishwarup MONDAL, Rajeev AGRAWAL, Naveen ARULSELVAN, Suresh KALYANASUNDARAM, Troels Emil KOLDING, Hans KROENER
  • Patent number: 8929280
    Abstract: A method for prioritizing Mobile IP between PMIP and CMIP includes the steps of connecting a mobile device (118) to a communication network (102) and determining (308) if the network provides mobility control, such as the network being PMIP-enabled. When it is determined that the network provide mobility control, the mobility function is assigned (312) to the network and is therefore given priority over the mobility function provided by the mobile device. It can be determined (304) that the mobile station also includes a mobility control so that when the network is not PMIP-enabled the mobile station controls (314) layer 3 mobility and the Mobile IP function.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: January 6, 2015
    Assignee: Motorola Mobility LLC
    Inventors: Anand S. Bedekar, Rajeev Agrawal, Suresh Kalyanasundaram
  • Patent number: 8897798
    Abstract: Systems and techniques for scheduling of use of resources by wireless devices and allocation of resources among devices. Information is received relating to channel efficiency experienced by a user equipment and also to the channel efficiency experienced by other user equipments. The information may include channel gain. Scheduling and resource allocation are performed so as to provide service to each device while minimizing interference penalties imposed by devices on one another. Scheduling and resource allocation may be evaluated and conducted through a number of mechanisms, such as ranking users according to transmit power, ranking user equipments according to target signal to noise ratios, and evaluation of relative advantages to users with the evaluation being performed resource block by resource block. The various metrics take into account both advantages to a particular user equipment under consideration and detrimental effects on other user equipment.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: November 25, 2014
    Assignee: Nokia Siemens Networks Oy
    Inventors: Rajeev Agrawal, Naveen Arulselvan, Suresh Kalyanasundaram, Rangsan Leelahakriengkrai, Balamurali Natarajan, Hua Xu
  • Patent number: 8797988
    Abstract: Apparatus, methods, and program products are presented that perform the following: allocating a set of sounding reference signal resources in a sounding reference signal resource space to a plurality of user equipment using a portioning scheme, and signaling indications of the allocated set of sounding reference signal resources to the plurality of user equipment. The portioning scheme may be a load balancing, complete partitioning, or hybrid scheme. The selection of a portioning scheme may be based on load.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: August 5, 2014
    Assignee: Nokia Siemens Networks Oy
    Inventors: Balamurali Natarajan, Rajeev Agrawal, Suresh Kalyanasundaram
  • Patent number: 8594672
    Abstract: Systems and techniques for managing the use of almost blank subframes in wireless communication systems. Base stations in a wireless network monitor load information affecting network nodes. Load information may be in the form of load metric information. The load information may be exchanged between system elements, and an almost blank subframe proportioning may be updated by one or more of the base stations, and information relating to the updated proportioning. The updated almost blank subframe proportioning may be used in scheduling and load metric calculation, as well as almost blank subframe patterning. Updating of almost blank subframe information and load metric information may be performed iteratively.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: November 26, 2013
    Assignee: Nokia Siemens Networks Oy
    Inventors: Rajeev Agrawal, Rangsan Leelahakriengkrai, Anand S. Bedekar, Guang Han
  • Publication number: 20130229989
    Abstract: Apparatus, methods, and program products are presented that perform the following: allocating a set of sounding reference signal resources in a sounding reference signal resource space to a plurality of user equipment using a portioning scheme, and signaling indications of the allocated set of sounding reference signal resources to the plurality of user equipment. The portioning scheme may be a load balancing, complete partitioning, or hybrid scheme. The selection of a portioning scheme may be based on load.
    Type: Application
    Filed: July 17, 2012
    Publication date: September 5, 2013
    Inventors: Balamurali NATARAJAN, Rajeev AGRAWAL, Suresh KALYANASUNDARAM
  • Publication number: 20130084864
    Abstract: Systems and techniques for handover management in wireless communication networks. An apparatus, such as a base station, receives information relating to load conditions and computes handover threshold information based on the information relating to the load conditions. The information relating to the load conditions may comprise information received from other base stations, and the base station may in turn share its own information. Information may be shared through direct communication between base stations, or may be managed by a controller. Handover thresholds may be set for user devices based on the load metric information.
    Type: Application
    Filed: December 21, 2011
    Publication date: April 4, 2013
    Inventors: Rajeev Agrawal, Rangsan Leelahakriengkrai, Anand S. Bedekar, Guang Han
  • Publication number: 20130084865
    Abstract: Systems and techniques for managing the use of almost blank subframes in wireless communication systems. Base stations in a wireless network monitor load information affecting network nodes. Load information may be in the form of load metric information. The load information may be exchanged between system elements, and an almost blank subframe proportioning may be updated by one or more of the base stations, and information relating to the updated proportioning. The updated almost blank subframe proportioning may be used in scheduling and load metric calculation, as well as almost blank subframe patterning. Updating of almost blank subframe information and load metric information may be performed iteratively.
    Type: Application
    Filed: December 21, 2011
    Publication date: April 4, 2013
    Inventors: Rajeev Agrawal, Rangsan Leelahakriengkrai, Anand S. Bedekar, Guang Han
  • Publication number: 20130072213
    Abstract: Systems and techniques for scheduling of use of resources by wireless devices and allocation of resources among devices. Information is received relating to channel efficiency experienced by a user equipment and also to the channel efficiency experienced by other user equipments. The information may include channel gain. Scheduling and resource allocation are performed so as to provide service to each device while minimizing interference penalties imposed by devices on one another. Scheduling and resource allocation may be evaluated and conducted through a number of mechanisms, such as ranking users according to transmit power, ranking user equipments according to target signal to noise ratios, and evaluation of relative advantages to users with the evaluation being performed resource block by resource block. The various metrics take into account both advantages to a particular user equipment under consideration and detrimental effects on other user equipment.
    Type: Application
    Filed: December 16, 2011
    Publication date: March 21, 2013
    Inventors: Rajeev Agrawal, Naveen Arulselvan, Suresh Kalyanasundaram, Rangsan Leelahakriengkrai, Balamurali Natarajan, Hua Xu
  • Patent number: 8401574
    Abstract: A method and apparatus for managing delivery of information in a wireless network (100) includes bearer plane information handlers (110, 111), each of which maintains a database of paging controller associations (200). Each paging controller association is an association of an idle mobile device to a last known paging controller of that idle mobile device. The apparatus also includes paging controllers (115-118), each of which is associated with at least one paging area (130-133). For each paging area, the paging controller maintains a database of all base transmitters of the paging area that are associated with the paging controller (310) and maintains a database of other selected paging controllers that control base transmitters in the paging area (315). Using these resources, the method uses location notification messages and paging responses to deliver bearer plane information to a mobile device (125) that has been idle.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: March 19, 2013
    Assignee: Motorola Mobility LLC
    Inventors: Anand S. Bedekar, Rajeev Agrawal, Venkat Gopikanth, Suresh Kalyanasundaram, Ram O V Vishnu
  • Publication number: 20130067378
    Abstract: Various embodiments provide a user interface that displays a history of resource usage of a computing device's applications over time. Historical resource usage data can be presented in a manner which informs the user, on an application-by-application basis, of each application's resource usage across a plurality of resources. In at least some embodiments, the user interface can provide one or more instrumentalities that enable the user to interact with and/or modify operational characteristics of various applications based upon the presented historical resource usage data.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 14, 2013
    Applicant: Microsoft Corporation
    Inventors: Jonathan M. Au, Peter Seraphim Ponomarev, Sharif S. Farag, Kevin Michael Woley, Sharad Kylasam, Mark Yalovsky, Krishna Venkatesh, Shankar Seal, Srinivas Raghu Gatta, Rajeev Agrawal, Vijay Prakash
  • Patent number: 8195807
    Abstract: An indication is received from the mobile station (114) indicating that the mobile station (114) is moving from an originating mobility agent (106) to a destination mobility agent (108). An identity of the destination mobility agent (108) is determined using the indication. Routing information is sent from the originating mobility agent (106) to the destination mobility agent (108) using the identity. Incoming data is routed to the mobile station (114) using the routing information.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: June 5, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Anand S. Bedekar, Rajeev Agrawal, Venkat Gopikanth, Suresh Kalyanasundaram, Vishnu Ram Ov
  • Patent number: 8175600
    Abstract: A method and apparatus for handing over a mobile station (106) from a serving base station (104a) to a target base station (104b) within a wireless communication system (100) is described. A session is established between the mobile station and the serving base station and it is determined that the mobile station is to be handed over from the serving base station to the target base station. The target base station notifies the serving base station of identifying data of the target base station and added to the identifying data is a message to be sent to mobile station regarding the handover of the mobile station. The serving base station sends the message including the identifying data to the mobile station and the mobile station is handed over from the serving base station to the target base station using the identifying data of the target base station.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: May 8, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Vijay G. Subramanian, Rajeev Agrawal, Anand S. Bedekar, Stavros Tzavidas
  • Patent number: 8165597
    Abstract: A central controller (300) receives (201), from each of a plurality of base stations certain operating information. This operating information can comprise, for example, a self-identifier, information regarding allowed wireless distance coverage, identifiers for neighboring ones of the plurality of base stations, information regarding wireless distances to neighboring base station, or loading information. This operating information is used (202) to form adjacency information regarding the plurality of base stations. This adjacency information is then used (203) (along, for example, with the aforementioned loading information) to develop a resource allocation plan as pertains to the resources. This plan is then communicated (204) to the plurality of base stations such that the latter can utilize the plan to thereby partition use of the plurality of resources to support communication needs of the base stations while avoiding undue interference with respect to the use of such resources.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: April 24, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Guang Han, Rajeev Agrawal, Anand S. Bedekar
  • Patent number: 8160067
    Abstract: A wireless access point (200), upon determining (101) that a need exists to support a communication need of a mobile station, acquires (102) a first Internet Protocol (IP) address and automatically transmits (103) a gratuitous Address Resolution Protocol message to a local router to thereby cause the latter to correlate the first IP address to a Medium Access Control address for the wireless access point. In a preferred embodiment the wireless access point can also automatically transmit a registration request to a remote network element (such as a Home Agent) that presents this first IP address as a care-of address to use in conjunction with another IP address that serves as a home address for the mobile station.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: April 17, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Anand S. Bedekar, Rajeev Agrawal, Venkat Gopikanth, Suresh Kalyanasundaram, Vishnu Ram Ov
  • Patent number: 8144687
    Abstract: In the present technique of a communication system (100), an address of a forwarding agent (114) linked to a receiver node (112) is detected to provide a discovered address. The discovered address is then used to establish a direct route with the forwarding agent of the receiver node for subsequent communications between a sender node (104) and the receiver node.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: March 27, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Anand S. Bedekar, Rajeev Agrawal, Venkat Gopikanth, Suresh Kalyanasundaram, Vishnu Ram OV
  • Publication number: 20110230219
    Abstract: In a wireless communication system, a method includes assigning an initial portion of a list of resource block group for each of a plurality of cells such that the resource block groups are spread across the plurality of cells in a non-contiguous order spaced out in frequency. In addition, the method assigns a secondary portion of the list of resource block groups for each of a plurality of cells wherein the secondary portion is assigned in a reverse order and alternating from the initial portion of the list of resource block groups of each of the other plurality of cells.
    Type: Application
    Filed: March 7, 2011
    Publication date: September 22, 2011
    Applicant: MOTOROLA, INC.
    Inventors: William N. Shores, Rajeev Agrawal, Anand S. Bedekar, Guang Han, Shawn W. Hogberg, Suresh Kalyanasundaram, Vivek P. Mhatre, Daniel R. Tayloe
  • Patent number: 7908396
    Abstract: A method and a system for scheduling requests generated for a plurality of mobile devices in a communication network (100) has been disclosed. The requests are generated for a transmission opportunity. The method includes computing a sort metric (302) for each request, based on an information update. A lead-time is then computed (304) with respect to a drop-dead time for each request, based on the sort metric for a time slice. The drop-dead time for a given time slice is the time before which scheduling has to be done so that data can be transmitted during the given time slice. Each request may be considered (306) for allocation in the time slice before the beginning of a next time slice, based on the lead-time.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: March 15, 2011
    Assignee: Motorola Mobility, Inc.
    Inventors: Suresh Kalyanasundaram, Rajeev Agrawal, Jay P. Jayapalan, Ivan N. Vukovic
  • Publication number: 20100271962
    Abstract: A method and apparatus for estimating an available backhaul bandwidth in a femto-cell communication network includes a step (204, 304) of sending at least one defined data stream to at least one femto-cell. A next step (206, 306) includes measuring a delay of the at least one defined data stream at the at least one femto-cell. A next step (208, 308) includes estimating, from the delay of the at least one defined data stream, a backhaul bandwidth availability.
    Type: Application
    Filed: April 22, 2009
    Publication date: October 28, 2010
    Applicant: MOTOROLA, INC.
    Inventors: Guang Han, Rajeev Agrawal, Anand S. Bedekar