Patents by Inventor Sepehr Mehrabanzad

Sepehr Mehrabanzad 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: 10028317
    Abstract: Systems and methods for providing mobile services are disclosed. In one implementation, an access point (AP) is provided, which may include a set of one or more base-station functions for use by a user equipment (UE) connected to the AR over a wireless communication interface. The one or more base-station functions may be configured to receive information from the UE. The AP may further include a set of one or more core-network functions configured to receive the information from the set of one or more base-station functions and a distributed portion of a service. The distributed portion of the service may be configured to receive the information from the one or more core-network functions and communicate the information to a corresponding cloud portion of the service running on a cloud platform. The service may be provided by a combination of the distributed portion and the cloud portion of the service.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: July 17, 2018
    Assignee: FEDERATED WIRELESS, INC.
    Inventors: Deepak Das, Sepehr Mehrabanzad
  • Publication number: 20170332243
    Abstract: A method and system is provided for enabling spectrum sensing capability in a network having at least one primary user and a plurality of secondary users configured to communicate using a shared spectrum. The methods and systems include receiving values from sensors corresponding to received signal strength from a primary user in one or more frequencies of the shared spectrum. The values are used to interpolate at least one additional value between the sensors. A detection threshold is determined for sensing a signal transmitted from the primary user based on an acceptable amount of interference. The primary user is then determined to be transmitting in the one or more frequencies of the shared spectrum if any of the values received from the plurality of sensors or the at least one additional value interpolated along the path exceeds the detection threshold.
    Type: Application
    Filed: May 16, 2017
    Publication date: November 16, 2017
    Inventors: Samuel Jay MACMULLAN, Sepehr MEHRABANZAD, Peter HARBOUR, Creighton ELDRIDGE
  • Publication number: 20160330749
    Abstract: Systems and methods for providing mobile services are disclosed. In one implementation, an access point (AP) is provided, which may include a set of one or more base-station functions for use by a user equipment (UE) connected to the AP over a wireless communication interface. The one or more base-station functions may be configured to receive information from the UE. The AP may further include a set of one or more core-network functions configured to receive the information from the set of one or more base-station functions and a distributed portion of a service. The distributed portion of the service may be configured to receive the information from the one or more core-network functions and communicate the information to a corresponding cloud portion of the service running on a cloud platform. The service may be provided by a combination of the distributed portion and the cloud portion of the service.
    Type: Application
    Filed: May 9, 2016
    Publication date: November 10, 2016
    Inventors: Sepehr MEHRABANZAD, Deepak DAS
  • Publication number: 20160330602
    Abstract: Systems and methods for providing mobile services are disclosed. In one implementation, an access point (AP) is provided, which may include a set of one or more base-station functions for use by a user equipment (UE) connected to the AR over a wireless communication interface. The one or more base-station functions may be configured to receive information from the The AP may further include a set of one or more core-network functions configured to receive the information from the set of one or more ba.se-station functions and a distributed portion of a service. The distributed portion of the service may he configured to receive the information from the one or more core-network functions and communicate the information to a corresponding cloud portion of the service running on a cloud platform. The service may be provided by a combination of the distributed portion and the cloud portion of the service.
    Type: Application
    Filed: May 9, 2016
    Publication date: November 10, 2016
    Inventors: Deepak DAS, Sepehr MEHRABANZAD
  • Publication number: 20160330746
    Abstract: A system and method is provided for a predictive connectivity layer. In the disclosed embodiments, resources, such as bandwidth, processing, and memory, at a network node are dynamically allocated based on one or more predicted user behaviors. A predicted user behavior may be determined based on one or more previous actions of a user or a group of users at the network node. For example, if a user accesses the network node to download a particular web site at the same time every morning, the predictive technique may determine that the user will attempt to download the same web site the next morning, and therefore cache a copy of the web site before the user's next attempt to access the network through the network node. Similarly, the network node may predict an amount of bandwidth or other resources to allocate based on previous behavior of one or more users.
    Type: Application
    Filed: May 9, 2016
    Publication date: November 10, 2016
    Inventors: Sepehr MEHRABANZAD, Iyad TARAZI, Deepak DAS
  • Patent number: 7983708
    Abstract: The description describes examples for 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. Execution is transitioned between a first and a second loop to control reverse link power of one of the ATs. The transition is based on a state of a connection. The first control loop executes at one of the first devices and the second loop executes at the second device.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: July 19, 2011
    Assignee: Airvana Network Solutions, Inc.
    Inventors: Sepehr Mehrabanzad, Satish Ananthaiyer, Gopal Harikumar
  • Publication number: 20110128851
    Abstract: 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.
    Type: Application
    Filed: November 29, 2010
    Publication date: June 2, 2011
    Inventors: Sepehr Mehrabanzad, Satish Ananthaiyer, Gopal Harikumar
  • Patent number: 7843892
    Abstract: 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.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: November 30, 2010
    Assignee: Airvana Network Solutions, Inc.
    Inventors: Sepehr Mehrabanzad, Satish Ananthaiyer, Gopal Harikumar
  • Patent number: 7801487
    Abstract: A device causes at least one access terminal that is configured to transmit data to a radio node in a sector of a radio access network to alter transmission. While transmission is altered, the device determines a power of a signal received at the radio node, and updates an average value of signal power using the power measured. A device receives, from one or more access terminals that are configured to receive data from a radio node in a sector of a radio access network, a requested rate at which information should be transmitted to each access terminal, receives from the access terminals information about quality of signals received from the radio node, and generates an event if the requested rate and the information about quality of signals fail to satisfy a condition. An access terminal, located in the vicinity of a first radio node configured to transmit data in a sector of a radio access network, measures signal power of pilot signals received by the access terminal.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: September 21, 2010
    Assignee: Airvana, Inc.
    Inventors: Sepehr Mehrabanzad, Satish Ananthaiyer, Pierre A. Humblet
  • Publication number: 20100177731
    Abstract: In a radio access network, the reverse link rate of an access terminal is controlled and stabilized by determining a number of connections in one or more sectors in which the access terminal has a connection and setting a rate limit based on at least one of the determined number of connections. The number of connections can be determined for each sector in which the access terminal has a connection or for some subset of these sectors. If the number of connections is determined for more than one sector, the radio access network may limit the reverse link rate based on the sector having the greatest number of connections.
    Type: Application
    Filed: March 25, 2010
    Publication date: July 15, 2010
    Inventors: Satish Ananthaiyer, Sae-Young Chung, Sepehr Mehrabanzad
  • Patent number: 7729243
    Abstract: In a radio access network, the reverse link rate of an access terminal is controlled and stabilized by determining a number of connections in one or more sectors in which the access terminal has a connection and setting a rate limit based on at least one of the determined number of connections. The number of connections can be determined for each sector in which the access terminal has a connection or for some subset of these sectors. If the number of connections is determined for more than one sector, the radio access network may limit the reverse link rate based on the sector having the greatest number of connections.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: June 1, 2010
    Assignee: Airvana, Inc.
    Inventors: Satish Ananthaiyer, Sae-Young Chung, Sepehr Mehrabanzad
  • Publication number: 20070155329
    Abstract: A device causes at least one access terminal that is configured to transmit datal to a radio node in a sector of a radio access network to alter transmission. While transmission is altered, the device determines a power of a signal received at the radio node, and updates an average value of signal power using the power measured. A device receives, from one or more access terminals that are configured to receive data from a radio node in a sector of a radio access network, a requested rate at which information should be transmitted to each access terminal, receives from the access terminals information about quality of signals received from the radio node, and generates an event if the requested rate and the information about quality of signals fail to satisfy a condition. An access terminal, located in the vicinity of a first radio node configured to transmit data in a sector of a radio access network, measures signal power of pilot signals received by the access terminal.
    Type: Application
    Filed: December 29, 2005
    Publication date: July 5, 2007
    Inventors: Sepehr Mehrabanzad, Satish Ananthaiyer, Pierre Humblet
  • Patent number: 7085316
    Abstract: A method and apparatus is provided for controlling the transmit power of an analog modem when the transmit power level does not match the desired transmit power level, thus conforming to FCC regulations on transmit power and/or eliminating non-linearities associated with higher than required power levels and loss of signal-to-noise ratio and concomitant at loss of data rate if the transmit power levels are less than that desired. In one embodiment, the power level at the analog modem is sensed to ascertain if it is not at the desired transmit power level, with adjustment being provided by transmitting the desired change in the transmit power level to the digital modem, whereupon mapping parameters are redefined by adjusting the number of equivalence classes, thus to adjust transmit power at analog modem.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: August 1, 2006
    Assignee: General Electric Co.
    Inventors: Dae-Young Kim, Sepehr Mehrabanzad, John Pilozzi
  • Publication number: 20060159045
    Abstract: In a radio access network, the reverse link rate of an access terminal is controlled and stabilized by determining a number of connections in one or more sectors in which the access terminal has a connection and setting a rate limit based on at least one of the determined number of connections. The number of connections can be determined for each sector in which the access terminal has a connection or for some subset of these sectors. If the number of connections is determined for more than one sector, the radio access network may limit the reverse link rate based on the sector having the greatest number of connections.
    Type: Application
    Filed: January 18, 2005
    Publication date: July 20, 2006
    Inventors: Satish Ananthaiyer, Sae-Young Chung, Sepehr Mehrabanzad
  • Patent number: 7061973
    Abstract: In a full duplex PCM modem system having an analog and digital modem, a method and apparatus is provided for on-the-fly reconfiguring of analog or digital modem transmitter parameters without switching back to a retrain or startup mode. In one embodiment, the transmitter parameters for the analog modem are modified to take into account channel impairments, in which modified precompensation parameters are sent from the digital modem to the analog modem without switching out of the data mode. In another embodiment, transmit power levels sensed at the analog modem which are non-optimal are adjusted by new parameters sent from the digital modem without having to switch back to the startup mode. In a further embodiment, transmitter parameters in the digital modem are reconfigured to provide more an increased downstream data rate from the digital modem upon sensing improvement in the quality of the downstream channel without switching to the startup mode.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: June 13, 2006
    Assignee: General Electric Capital Corporation
    Inventors: Sepehr Mehrabanzad, Dae-Young Kim, John Pilozzi
  • Publication number: 20050243749
    Abstract: 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.
    Type: Application
    Filed: April 28, 2004
    Publication date: November 3, 2005
    Inventors: Sepehr Mehrabanzad, Satish Ananthaiyer, Gopal Harikumar
  • Publication number: 20050245279
    Abstract: The description describes examples for 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. Execution is transitioned between a first and a second loop to control reverse link power of one of the ATs. The transition is based on a state of a connection. The first control loop executes at one of the first devices and the second loop executes at the second device.
    Type: Application
    Filed: April 28, 2004
    Publication date: November 3, 2005
    Inventors: Sepehr Mehrabanzad, Satish Ananthaiyer, Gopal Harikumar
  • Patent number: 6934254
    Abstract: A method and apparatus is provided that dynamically allocates processor resources to data transfer-related operations, minimizing the processor resources used for data transfer-related operations and maximizing the processor resources available for other applications. The apparatus comprises a communication device (104), comprising a processing unit (204) and a complexity controller (206), which communication device (104) is capable of executing multiple data transfer-related operations and is highly configurable. The complexity controller (206) monitors a condition of a communication channel (102) and determines the best configuration of communication device (104) in regard to processor resource utilization to meet a given Quality of Service requirement for the condition of channel (102) and to maximize the processor resources available for other applications, such as data terminal equipment user applications (108) or signal processing by other communication devices using the same host processor.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: August 23, 2005
    Assignee: Motorola, Inc.
    Inventors: William Leslie Brown, Jian Yang, Sepehr Mehrabanzad, Dae-Young Kim
  • Patent number: 6751302
    Abstract: A method and apparatus is provided for providing an automated selection of a telecommunication service from among multiple telecommunication services. In a telecommunication system (100) that includes multiple communication devices (102, 104) and a telecommunication infrastructure (110) including multiple local exchange offices (106, 108), multiple communication channels (112, 114), and multiple telecommunication services, a subscriber to the services of the telecommunication system is able to select a particular telecommunication service by transmitting a service request code via the subscriber's communication device, which service request code corresponds to a request for a telecommunication service. The telecommunication infrastructure then enables or disables the requested telecommunication service in response to receiving the request.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: June 15, 2004
    Assignee: Motorola, Inc.
    Inventors: Minh Hoang, Sepehr Mehrabanzad
  • Patent number: 6674794
    Abstract: A system and method for adjusting the phase of the analog signal produced by an analog modem connected to a digital modem over a telephone network. The digital portion of the telephone network is locked to the network clock, and the modems have no control over the sampling timing or rate as the analog signal is sampled and quantized by a codec. If the analog signal is shifted in phase relative to the network clock, then the codec may be sampling at unresolvable points on the analog signal, thereby causing errors and a decrease in the usable bandwidth for transmitting data. The analog modem symbol frequency is locked to the clock of the digital network using loop-back timing. A phase estimate is computed using the quantized samples of a known reference signal. Next, a “phase offset” is calculated by comparing the phase estimate to an optimum phase value. Then the digital modem sends the calculated phase offset information to the analog modem.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: January 6, 2004
    Assignees: Motorola, Inc., 3Com Corporation
    Inventors: John Pilozzi, Dae-Young Kim, Jack Liu, S. Arif Ahmed, Vladimir Parizhsky, Sepehr Mehrabanzad