Patents by Inventor Asif Gandhi

Asif Gandhi 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: 9326252
    Abstract: A method for transmitting a signal in a wireless communications network includes calculating, by a network element, first and second average powers. The first average power is associated with a first time period of a downlink transmission between a transmitter associated with the network element and at least one user, and the second average power is associated with a second time period of the downlink transmission. The method includes transmitting, by the transmitter, the signal at one of a rated transmission power and a boosted transmission power based on a first threshold value associated with the first average power and a second threshold value associated with the second average power. The rated transmission power is less than or equal to a long-term average power limit associated with a power amplifier of the transmitter, and the boosted transmission is greater than the rated power.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: April 26, 2016
    Assignee: Alcatel Lucent
    Inventors: Asif Gandhi, Gregg Nardozza
  • Publication number: 20070230413
    Abstract: In a method for determining transmission latency in a wireless network, data packets addressed to a wireless unit are received at a radio network controller (RNC) and forwarded to a base station in communication with the wireless unit for transmission over the forward link. The RNC keeps track of when it receives the packets. Periodically, the base station sends messages back to the RNC. Each message identifies a data packet and the time it was transmitted to the wireless unit. The RNC uses the messages to calculate a data transfer rate, e.g., the number of packets between the first packet received by the RNC and the packet identified in the message, divided by the time difference between the message and when the first packet was received by the RNC. The RNC then applies the transfer rate to any data remaining for the wireless unit, to determine the transmission latency thereof.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 4, 2007
    Applicant: Lucent Technologies Inc.
    Inventors: Asif Gandhi, Mathew Thomas
  • Publication number: 20060229025
    Abstract: A method for extracting the optimal capacity in a cellular network reverse link involves controlling the reverse link Eb/No setpoint (or other control setting) based on the aggregate reverse link load and channel condition. The cellular network includes a plurality of mobile stations that wirelessly communicate with a base station over a reverse link, using a CDMA or similar communications protocol. The base station calculates a received signal strength indicator (“RSSI”). If the RSSI rises above a designated threshold level, the base station calculates a scaling factor. The base station then scales its reverse link Eb/No setpoint by applying the scaling factor to the Eb/No setpoint. Then, according to the new, scaled Eb/No setpoint, the base station issues closed loop power control commands to the mobile stations, thereby adjusting their transmit power according to the new, scaled Eb/No setpoint.
    Type: Application
    Filed: March 30, 2005
    Publication date: October 12, 2006
    Applicant: Lucent Technologies Inc.
    Inventors: Asif Gandhi, Mathew Thomas
  • Publication number: 20060223565
    Abstract: A method for optimizing the capacity of a forward link in a cellular telecommunications network involves dynamically setting the minimum gain level on the forward link for each mobile station, based each mobile station's individual performance. The cellular network has one or more base stations and a mixed population of single-diversity mobile stations and dual-diversity mobile stations. In communicating with a particular mobile station, the gain level of the transmission over the forward link is monitored at the base station. The base station also monitors the reverse link for a power measurement report message (“PMRM”) sent by the mobile station. If the gain level stays at or close to a minimum gain level for a certain time period, and if no PMRM?s are received during that time period, then the base station reduces the minimum gain level by a set amount. The reduction in the minimum gain level can be triggered based on other factors, such as the forward link frame error rate.
    Type: Application
    Filed: March 30, 2005
    Publication date: October 5, 2006
    Applicant: Lucent Technologies Inc.
    Inventors: Asif Gandhi, Mathew Thomas
  • Publication number: 20060068717
    Abstract: A method for controlling access of a subscriber station to a wireless communications system facilitates the maintenance of a performance target of the reverse link and desired geographic coverage of the reverse link. The method for controlling access of a subscriber station to a wireless communications system includes measuring a first performance indicator and a second performance indicator for a reverse link associated with a subscriber station seeking access to a wireless communications system. A blocking threshold value is established based upon the measured second performance indicator and may be adjusted to allow more or less blocking based on any additional metrics that characterize the performance of the current subscriber stations. The decision to grant or deny access of the subscriber station to the wireless communications system is determined based on a comparison of the measured first performance indicator to the established blocking threshold value.
    Type: Application
    Filed: September 30, 2004
    Publication date: March 30, 2006
    Inventors: Asif Gandhi, Matthijs Visser, Lily Zhu
  • Publication number: 20060009206
    Abstract: A wireless communication system (20) includes evaluating the reverse link of a mobile unit (22) to determine which sector (24, 26, 28, 30) will be part of the mobile unit active set. In a disclosed example, each sector in the active set notifies neighboring sectors of the mobile unit (22). The notified sectors monitor the reverse link of the mobile unit (22) and determine whether selected criteria are met indicating when a sector can be added to the mobile unit active set.
    Type: Application
    Filed: July 6, 2004
    Publication date: January 12, 2006
    Inventor: Asif Gandhi
  • Publication number: 20050201332
    Abstract: A method for link quality control in a wireless communications network includes determining whether an indicator of link imbalance exists among a plurality of base stations associated with a mobile unit, and implementing a control action to help prevent at least one of fading or signal cutoff between the mobile unit and at least one of the base stations, if the indicator indicates that link imbalance exists.
    Type: Application
    Filed: March 15, 2004
    Publication date: September 15, 2005
    Inventors: Rakesh Bakshi, Asif Gandhi, Charles Sanders, Susan Sanders, Mathew Thomas
  • Publication number: 20050135313
    Abstract: In a CDMA wireless communications system, the time at which a particular cell sector will reach its maximum capacity is predicted by extrapolating from current service measurements in that sector and using a service provider's projections of traffic growth in order to estimate the point in time at which the traffic level in that sector will cause the total power usage at the base station in that sector to reach a level at which a particular overload condition will exist, where that particular overload condition is manifested in a predetermined blocking criteria. Conventional service measurement data is used to develop an individual characteristic for each sector, which is used to project that sector's maximum capacity. From that maximum capacity, a determination of when that capacity is likely to be reached is then made from projected traffic growth patterns for that sector.
    Type: Application
    Filed: December 23, 2003
    Publication date: June 23, 2005
    Inventors: Asif Gandhi, Mark Newbury
  • Publication number: 20050026624
    Abstract: A method of wireless communication over the reverse link. The method may include evaluating a reverse link loading. This evaluation step may involve examining at least two resources associated with reverse link loading within a first time period. Thereafter, a message is broadcast containing information regarding the availability of resources. This message is generated in response to the evaluated reverse link loading. This availability of resources message may correspond with an overload condition, increasing a number of active connections, decreasing the number of active connections, increasing an available transmit rate, maintaining the available transmit rate and/or decreasing the available transmit rate. In one example, the availability of resources message comprises a reverse activity bit.
    Type: Application
    Filed: July 31, 2003
    Publication date: February 3, 2005
    Inventors: Asif Gandhi, Frances Jiang, Mathew Thomas, Stanley Vitebsky