dcastro profile

Recent Activity

• 12:26: posted A performance and complexity comparison of auto-correlation and cross-correlation for OFDM burst synchronization
• 12:26: posted Design of an efficient OFDM burst synchronization scheme
• 12:26: posted Effect of Doppler frequency on pilot arrangements in wireless OFDM systems
• 12:26: posted A novel channel estimation and tracking method for wireless OFDM systems based on pilots and Kalman filtering
• 12:25: posted Adaptive modulation techniques for duplex OFDM transmission
• 12:25: posted Implementation of OFDM modem for the physical layer of IEEE 802.11a standard based on Xilinx Virtex-II FPGA
• 12:24: posted The PICPOT project: GPS and GALILEO in High Dynamic Scenario
• 12:24: posted A direct RF sampling multifrequency GPS receiver
• 11:53: posted Coded OFDM With Transmitter Diversity for Digital Television Terrestrial Broadcasting (Corrected)*

• 19:48: posted Multihop Ad Hoc Networking: The Reality

• 21:00: posted Comparison of Various Frequency Reuse Patterns for WiMAX Networks with Adaptive Beamforming
• 21:00: posted Iterative demapping for QPSK modulation
• 21:00: posted A study of joint tracking algorithms of carrier frequency offset and sampling clock offset for OFDM-based WLANs
• 21:00: posted An Efficient Carrier Phase Synchronization Technique for High-Order M-QAM–OFDM

• 20:59: posted A fully digital direct-sequence spread-spectrum receiver architecture for GNSS applications
• 20:42: posted Integrated NAV-COM Systems: Assisted Code Acquisition and Interference Mitigation
• 19:19: posted Comments on “transmission techniques for digital terrestrial TV broadcasting” [and reply]
• 15:41: posted On the Challenges for the Maximization of Radio Resources Usage in WiMAX Networks
• 15:37: posted Radiation Characteristics of the Wire Antenna for Mobile Terminal Applications
• 15:37: posted Planning Base Station and Relay Station Locations in IEEE 802.16j Multi-Hop Relay Networks
• 15:36: posted Capacity and Coverage Analysis of a 3GPP-LTE Multihop Deployment Scenario
• 15:36: posted On the WiMAX and HSDPA Coexistence
• 15:36: posted Performance-Cost-Ratio Estimation by WiMAX/802.16 Networks Deployment
• 15:36: posted Simulation Study of Fractional Frequency Reuse for Mobile WiMAX
• 15:32: posted Coverage Predictions and Performance Analysis of Metropolitan and Cellular System Based on IEEE 802.16
• 15:31: posted WiMAX broadband wireless access technology: Services, architecture and deployment models
• 15:29: posted Multicast Broadcast Services Support in OFDMA-Based WiMAX Systems [Advances in Mobile Multimedia]
• 15:29: posted On the Analysis of Using 802.16e WiMAX for Point-to-Point Wireless Backhaul
• 15:28: posted WiMAX is coming
• 15:20: posted An Analysis of OFDM Peak Power Reduction Techniques for WiMAX Systems
• 15:18: posted On capacity of OFDMA-based IEEE802.16 WiMAX including Adaptive Modulation and Coding (AMC) and inter-cell interference
• 15:16: posted Dimensioning cellular multihop WiMAX networks
• 14:46: posted WiMax and Wi-Fi: Separate and Unequal
• 10:10: posted Compact Planar Microstrip Branch-Line Couplers Using the Quasi-Lumped Elements Approach With Nonsymmetrical and Symmetrical T-Shaped Structure
• 10:09: posted Design of meander line inductors on printed circuit boards

• 20:41: posted High performance S/W receiver prototyping for feasibility study on developing a receiver for GNSS ground sensor station
• 10:21: posted The Galileo code
• 09:31: posted The galileo IOV satellite payload architecture
• 09:30: posted S/W based IF signal simulator prototyping for L1 C/A, L2C, and E1(B&C)
• 09:30: posted System Considerations for a Combined UMTS/GNSS Receiver
• 09:30: posted A novel time delay tracking scheme for Galileo L1 open service systems
• 09:29: posted A spaceborne view of GNSS
• 09:29: posted Global Navigation Satellite Systems (GNSS)
• 09:29: posted Galileo - A european global satellite navigation system
• 09:29: posted Core requirement analysis of GNSS uplink station
• 09:19: posted Galileo Status
• 09:19: posted GPS modernisation and GNSS development
• 09:19: posted Bandwidth criteria for GNSS signals
• 09:18: posted GNSS Software Receivers
• 09:18: posted On the Design of a Highly Digital Multimode UMTS/GNSS Receiver
• 09:13: posted Galileo Constellation Design
• 09:13: posted Using of RAKE receiver architecture for combining GNSS and CDMA cellular wireless location
• 09:05: posted Application specific instruction processor based implementation of a GNSS receiver on an FPGA
• 09:04: posted Galileo: it turns!
• 09:04: posted GNSS - A users' perspective in 2010
• 09:04: posted Statistical GNSS carrier phase ambiguity resolution: a review

• 10:31: posted Performance of the Proposed Galileo CBOC Modulation in Heavy Multipath Environment
• 10:05: posted Next Generation of Wired and Wireless Networks: The NavCom Integration

• 08:50: posted Practical acquisition issues for UMTS
• 07:42: posted Direction-of-arrival estimation using a single-card C-band receiver array

• 08:37: posted An automatic cycle-slip processing method and its precision analysis
• 07:36: posted Cycle-slip detection using soft-output information
• 07:35: posted Enhancing the integrity of integrated GPS/INS systems by cycle slip detection and correction

• 14:00: posted An overview of smart antenna technology: the next wave in wireless communications
• 14:00: posted When will smart antennas be ready for the market? Part I
• 13:58: posted When will smart antennas be ready for the market? Part II - results
• 13:57: posted Uniform circular arrays for smart antennas
• 13:54: posted Smart antennas in software radio base stations
• 13:54: posted An overview of smart antenna technology for wireless communication

• 14:02: posted A compact digital beamforming SMILE array for mobile communications
• 14:02: posted Evolution of communications satellite antennas
• 13:59: posted Phased arrays for the new millennium
• 13:56: posted A performance comparison of smart antenna technology for wireless mobile computing terminals
• 13:55: posted Multiple antenna systems: their role and impact in future wireless access
• 13:53: posted Phased arrays for satellite communications: a system engineering approach
• 13:52: posted Planar digital-beamforming antenna for satellite navigation
• 13:49: posted Multibeam active phased arrays for communications satellites
• 13:46: posted Single-feed small circularly polarised square microstrip antenna
• 13:46: posted An experimental S-band digital beamforming antenna
• 13:43: posted Opportunistic beamforming using dumb antennas
• 13:42: posted Beamforming: a versatile approach to spatial filtering
• 13:41: posted Digital beam forming (DBF) antenna system for mobile communications

• 08:28: posted Acceleration of finite-difference time-domain (FDTD) using graphics processor units (GPU)
• 08:25: posted FDTD calculations using graphical processing units
• 08:22: posted Finite Difference Time Domain (FDTD) Simulations Using Graphics Processors

• 09:41: posted Performance analysis of channel estimation for LDPC-coded OFDM system in multipath fading channel
• 09:40: posted Soft Decoding Algorithm for RS-CC Concatenated Codes in WiMAX System
• 09:39: posted On the Enhancement of LDPC Codes in the IEEE 802.16 Physical Layer
• 09:36: posted Performance of concatenated Reed-Solomon/convolutional codes with iterative decoding
• 07:29: posted High performance direct gravitational N-body simulations on graphics processing units II: An implementation in CUDA
• 07:26: posted A performance study of general-purpose applications on graphics processors using CUDA

• 07:57: posted Realization of optimum interleavers

• 17:42: posted A technique for an array to generate circular polarization with linearly polarized elements