Now showing items 66-85 of 107

  • 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 ...
  • Port address translation based route optimization for mobile IP 

    Badami, D.; Thanthry, Nagaraja; Best, Patricia K.; 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 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 ...
  • Quantizing the throughput reduction of IPSec with mobile IP 

    Khatavkar, D.; Hixon, E.R.; Pendse, Ravi (IEEE, 2002-08-04)
    The demand for immediate and universal access to information is increasing rapidly, leading to the desire for mobile access to the Internet. The Mobile Internet Protocol (Mobile IP) provides mobility to Internet users with ...
  • Radiographic screen film combination: an image analysis 

    Karim, M.A.; Pendse, Ravi (1984-10)
  • Rank revealing QR factorization for jointly time delay and frequency estimation 

    Qasaymeh, M.M.; Hiren, G.; Nizar, T.; Pendse, Ravi; Sawan, M. Edwin (IEEE, 2009-04-26)
    The rank-revealing QR factorization (RRQR) is a valuable tool in numerical linear algebra because it provides accurate information about rank and numerical null-space. In this paper, we addressed the problem of estimating ...
  • Real-time processing of speech signals using networked computers 

    Pendse, Ravi; Yip, A.W.; Hoyer, E.A. (IEEE, 1997-08-03)
    In this paper, parallel processing of speech analysis techniques using networked computers is considered. A unique multiprocessor structure and algorithms have been developed. Results are presented demonstrating that ...
  • Real-time speech signal analysis-synthesis of the Hoyer-Narris model using networked computers 

    Yip, A.W.; Pendse, Ravi; Hoyer, E.A. (IEEE, 1997-08-06)
    The Hoyer-Harris model (H2M) extracts the fundamental information of the speech signal to provide the knowledge for speech signal processing. Because of the complex algorithm, real-time analysis is not possible on a personal ...
  • RFID security threats to consumers: Hype vs. reality 

    Rao, Shantanu; Thanthry, Nagaraja; Pendse, Ravi (IEEE, 2007-10-08)
    Radio frequency identification (RFID) tags are being adopted rapidly by retail giants such as Wal-Mart In the near future these tags will be used for item level tracking of consumer products such as milk cartons, television ...
  • Route optimized nested mobility solution using PAT 

    Dattani, M.; Thanthry, Nagaraja; Best, Patricia K.; Bhagavathula, Ravi; Pendse, Ravi (IEEE, 2004-09-26)
    Mobile computing is becoming increasingly important due to the rise in the number of portable computers and the desire to have continuous network connectivity to the Internet, irrespective of the physical location of the ...
  • RRQR based closed-form blind carrier offset estimator for OFDM systems 

    Qasaymeh, M.M.; Nizar, T.; Hiren, G.; Sawan, M. Edwin; Pendse, Ravi (IEEE, 2009-05-25)
    Carrier Frequency Offset (CFO) is one of the major drawbacks of the Multi Carrier Modulation (MCM) technique. Blind, semiblind and data-aided techniques have been introduced to estimate the CFO. In this paper, a new blind ...
  • Scalable QoS provisioning for mobile networks using wireless sensors 

    Bahety, V.; Pendse, Ravi (IEEE, 2004-03-21)
    In the past few years support for mobility has increased to a large extent. Mobile IP enables nodes to move from one network to the other while maintaining the same IP address. Minimal packet loss during handoff is a ...
  • Security in multi-tenancy cloud 

    Jasti, Amarnath; Shah, Payal Hemchand; Nagaraj, Rajeev; Pendse, Ravi (IEEE, 2010-10-05)
    Cloud computing creates exciting opportunities like reduced costs and flexibility to the users. It also comprises of some risks like data security within the cloud. Several common security threats like data leakage, insecure ...
  • Selective prefetching: prefetching when only required 

    Pendse, Ravi; Katta, H. (IEEE, 1999)
    Cache memories are commonly used to reduce the number of slower lower-level memory accesses, thereby improving the memory hierarchy performance. However, high cache miss-ratio can severely degrade system performance. It ...
  • Self-learning ad-hoc routing protocol 

    Best, Patricia K.; Gundeti, S.; Pendse, Ravi (IEEE, 2003-10-06)
    As the technologies for ad-hoc networks emerge, an ad-hoc routing protocol that can supply connectivity to mobile devices while utilizing a minimal amount of bandwidth as overhead becomes increasingly important. Minimal ...
  • Semiblind multiuser MIMO channel estimators using PM and RRQR methods 

    Pendse, Ravi; Hiren, G.; Sawan, M. Edwin; Qasaymeh, M.M.; Nizar, T. (IEEE, 2009-05-11)
    Estimating the channel state information (CSI) of several transmitters that use orthogonal space-time block codes (OSTBC) to communicate with a single receiver is considered. Based on rank revealing QR (RRQR) factorization ...
  • Statistical estimation of route expiry times in on-demand ad hoc routing protocols 

    Arbindi, Srividya; Namuduri, Kameswara; Pendse, Ravi (IEEE, 2005-11-07)
    On-demand routing protocols discover routes only when the source node has a packet to send to the destination. These protocols cache previously discovered routes in order to reduce the routing overheads as well as to ...
  • Study of mobile IP module in OPNET network simulator 

    Jasti, Amarnath; Thanthry, Nagaraja; Pendse, Ravi (2004-08)