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Browsing EECS Faculty Scholarship by Title

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Browsing EECS Faculty Scholarship by Title

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  • Optimal control for a class of interconnected discrete-time systems with parameter uncertainty
    Challoo, R.; Sawan, M. Edwin (IEEE, 2009-03-10)
    A large-scale interconnected discrete-time system is considered. This system consists of three interconnected discrete-time subsystems x1, X2, and X3 where x2 and X3 can be directly controlled with the controls u2 and ...
  • Optimal control systems with low sensitivity to small time delays
    Sawan, M. Edwin; Cruz, J. B. (IEEE, 1979-12-01)
    The problem of reducing trajectory sensitivity to small time delays is considered. State and output feedback gains are computed, so that the system performs optimally with low sensitivity. The delay is assumed to be expected ...
  • An optimal frequency domain filter for edge detection in digital pictures
    Shanmugam, K. Sam; Dickey, Fred M.; Green, James A. (IEEE, 1979-01-01)
    Edge detection and enhancement are widely used in image processing applications. In this paper we consider the problem of optimizing spatial frequency domain filters for detecting edges in digital pictures. The filter is ...
  • Optimal pole shifting for discrete time systems
    Arar, A. S.; Sawan, M. Edwin (IEEE, 1992-06-24)
    A recursive method for selecting the state weighting matrix of a linear quadratic regulator problem in order to shift the open loop eigenvalues to be at desired location is presented. This method is capable of shifting a ...
  • Optimal zone (OZON) protocol for broadcast control in ad-hoc networks
    Thanthry, Nagaraja; Malla, Deependra; Pendse, Ravi (IEEE, 2007-09-30)
    Mobile ad-hoc networks have been envisioned as the future of wireless networking technology. Continuous efforts are being put to improve the performance of ad-hoc networks in terms of path selection, quality of service ...
  • Optimum clustered pilot sequence for OFDM systems under rapidly time-varying channel
    Kim, Kwanghoon; Park, Hyuncheol; Kwon, Hyuck M. (IEEE, 2012-05)
    As channel time-variation increases, orthogonality among subcarriers in an orthogonal frequency division multiplexing (OFDM) symbol can be destroyed because of the relatively long symbol period, whereupon intercarrier ...
  • Optimum Nrm values for ERICA and EFCI schemes in ATM networks
    Bhagavathula, Ravi; Moosa, S.; Rajamoni, R.; Pendse, Ravi (International Society for Computers and Their Applications, 2001-08)
  • Output feedback design of singularly perturbed discrete-time systems
    Oloomi, Hossein; Alyatim, Amjad; Sawan, M. Edwin (IEEE, 1986-06-18)
    The output feedback regulator design for linear shift-invariant discrete-time systems possessing the two-time-scale property is considered. An approximating quadratic performance index is derived, reflecting a two-time-scale ...
  • PCF vs DCF: A performance comparison
    Rasheed, S.A.; Masnoon, K.; Thanthry, Nagaraja; Pendse, Ravi (IEEE, 2004)
    Wireless LANs are gaining importance at a very rapid pace. The idea of being mobile and connected to the Internet is driving new innovations in this area. With the recent innovations in the field of multimedia networks, ...
  • Performance analysis of UNIX user datagram protocol implementations
    Balasubramanian, Sivakumar; Thanthry, Nagaraja; Bhagavathula, Ravi; Pendse, Ravi (IEEE, 2004)
    As wired and wireless networks grow, underlying protocols need to be evaluated so that heterogeneous networks can be linked in an efficient manner. Among the transport layer protocols, user datagram protocol UDP is the ...
  • Performance of LRU block replacement algorithm with pre-fetching
    Pendse, Ravi; Bhagavathula, Ravi (IEEE, 1998-08-09)
    An economical solution to the need for unlimited amounts of fast memory is a memory hierarchy, which takes advantage of locality and cost/performance of memory technologies. Most of the advanced block replacement algorithms ...
  • Performance of LRU-FP block replacement algorithm with pre-fetching
    Pendse, Ravi; Katta, H.; Rajmoni, R. (International Society for Computers and Their Applications, 1999-11)
  • Phase synchronization for distributed sensor networks in feedback bit errors
    Wu, Haijie; Ding, Yanwu; Kwon, Hyuck M. (IEEE, 2010-06-25)
    It has been reported recently that phase synchronization in distributed sensor networks can be achieved by adjusting the phase in sensors randomly with a single bit feedback from the receiver (base station) to the sensors. ...
  • Pipeline LRU block replacement algorithm
    Bhagavathula, Ravi; Chittoor, P.; Pendse, Ravi (IEEE, 2000)
    Recent advances in VLSI technology have spurred a tremendous increase in the performance of processors. Due to the slower main memory, there exists a bottleneck in the performance of computer systems. Caching is an effective ...
  • Pole placement using projective controls and LQ modification
    Arar, A. S.; Sawan, M. Edwin (IEEE, 1991-06-26)
    A method for solving the output regulator problem by using projective controls was reported by Medanic. Using this method reigenvalues of the state feedback closed-loop system can be retained where r is the number of the ...
  • Port address translation based route optimization for mobile IP
    Badami, D.; Thanthry, Nagaraja; Best, Tish; Bhagavathula, Ravi; Pendse, Ravi (IEEE, 2004-09-06)
    The current mobility management protocol mobile IP (MIP) specifies the use of a home agent (HA) in forwarding datagrams to/from the mobile node (MN). This often leads to the usage of either triangular routing or reverse ...
  • Pre-fetching with the segmented LRU algorithm
    Pendse, Ravi; Bhagavathula, Ravi (IEEE, 1999)
    An economical solution to the need for unlimited amounts of fast memory is a memory hierarchy, which takes advantage of locality and cost/performance of memory technologies. Most of the advanced block replacement algorithms ...
  • Propagator method for joint time delay and frequency estimation
    Qasaymeh, M.M.; Hiren, G.; Tayem, N.; Pendse, Ravi; Sawan, M. Edwin (IEEE, 2008-10-26)
    A novel method of estimating the differential delay of a sinusoidal signal is considered. The new method utilizes the propagator method (PM) which does not require the eigen-decomposition of the cross-spectral matrix (CSM) ...
  • Quantitative analysis of enhanced mobile IP
    Best, Patricia K.; Pendse, Ravi (2006-06)
    As the popularity of mobile computing grows, the associated protocols and their scalability are subject to much closer scrutiny. Mobile IP relies heavily on the use of IP-to-IP tunneling, requiring 20 bytes of overhead ...
  • Quantitative analysis of security protocols in wireless networks
    Best, Patricia K.; Namuduri, Kameswara; Pendse, Ravi (IEEE, 2003-06-18)
    Security has been a major concern for computer networks, and required levels of security continue to increase and become more complicated to provide. Wireless devices face new challenges in securely exchanging information ...

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