'Frequency offset' presentation slideshows

OFDM Implementation in GNU Radio

OFDM Implementation in GNU Radio. Matt Ettus, Thomas W. Rondeau, and Robert McGwier Wireless@VT Symposium, 2007. OFDM: Basic Principles. Transmitter Flow Graph. Receive Flow Graph. Signal Acquisition. Signal Detection. Two methods implemented: Maximum Likelihood

701 views • 59 slides

UWB Receiver Algorithm

UWB Receiver Algorithm. ??? 2007/05/28. Outline. Synchronization Time synchronization Packet detection Frame synchronization Frequency synchronization Coarse Frequency synchronization Phase tracking Channel Estimation Zero-Padded Prefix. Receiver. Time Synchronization.

785 views • 51 slides

Chapter 4 Synchronization

Chapter 4 Synchronization. Preface. Before an OFDM receiver can demodulate the sub-carriers, it has to perform at least two synchronization tasks.

468 views • 36 slides

Effective (20us) Preambles for MIMO-OFDM

Effective (20us) Preambles for MIMO-OFDM. Seigo Nakao SANYO Electric Co., Ltd. Japan snakao@gf.hm.rd.sanyo.co.jp Yoshiharu Doi SANYO Electric Co., Ltd. Japan doi@gf.hm.rd.sanyo.co.jp. Yasutaka Ogawa Hokkaido University Japan ogawa@ice.eng.hokudai.ac.jp. Presentation Contents.

582 views • 34 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [MPSK Modulation for PHY Layer Proposal for Chinese Band] Date Submitted: [25?Oct?2007]

365 views • 31 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [MPSK Modulation for PHY Layer Proposal for Chinese Band] Date Submitted: [25?Oct?2007]

384 views • 31 slides

Shiwen He, Haiming Wang

Preamble Sequence for IEEE 802.11aj (45GHz ). Date: 2014-11-5 Presenter: Haiming Wang. Authors/contributors:. Shiwen He, Haiming Wang. Common preamble introduction.

389 views • 24 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS)

January 2005. doc.: IEEE 802.15-04/xxxr0. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS). Submission Title: [Staccato UWB PHY Proposal for TG4a] Date Submitted: [January 2005] Revised: []

455 views • 22 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS)

January 2005. doc.: IEEE 802.15-04/xxxr0. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS). Submission Title: [Staccato UWB PHY Proposal for TG4a] Date Submitted: [January 2005] Revised: []

358 views • 22 slides

DAC: Distributed Asynchronous Cooperation for Wireless Relay Networks

DAC: Distributed Asynchronous Cooperation for Wireless Relay Networks. Xinyu Zhang, Kang G. Shin. University of Michigan. PHY layer. MAC layer. Outline. Implementation & evaluation. Design. Introduction. Conclusion. CSMA/CR. DAC (routing). GNURadio /USRP. simulation. analysis.

320 views • 20 slides

Multi-band Modulation, Coding, and Medium Access Control

Multi-band Modulation, Coding, and Medium Access Control. Date: 2007-11-12. Abstract.

252 views • 18 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS)

doc.: IEEE 802.15-03/275r0. July 2003. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS). Submission Title: [Power Control and Automatic Frequency Offset Control for UWB communications] Date Submitted: [July 2003] Revised: []

219 views • 18 slides

Sensitivity of MC-CDMA Access Scheme to Carrier Phase Noise and Frequency offset

Sensitivity of MC-CDMA Access Scheme to Carrier Phase Noise and Frequency offset. ?? : ??? ???? : ???. outline. Introduction System analysis Simulation Conclusion. The performance loss of an MC-CDMA system. Nonlinear amplifier Phase noise Frequency offset of the RF oscillator

306 views • 16 slides

341 views • 16 slides

AV Timing Limits

AV Timing Limits. BridgeCo AG Georg Dickmann georg.dickmann@bridgeco.net. Outline. Jitter / latency limits imposed by audio applications The audio clock path Identification and analysis of sources of timing inaccuracy A simple 1394 cycle based timing offset prediction scheme Conclusion.

249 views • 13 slides

Inter-carrier interference cancellation in OFDM systems

Inter-carrier interference cancellation in OFDM systems. By: Dharamveer Meena Vinodkumar Pralia. Basic OFDM system. Multi-carrier modulation Multiple frequency channels are orthogonal to each other. OFDM modulated signal.

674 views • 13 slides

Synchronization with DMT Modulation

Synchronization with DMT Modulation. Milos Milosevic The University of Texas at Austin ESPL. October 1, 1999. S/P. FFT. IFFT. P/S. FEQ. DAC. h(t). ADC. s (t). s(t). f s. f s. Discrete Multitone Modulation. Symbol. DMT Transceiver. 2N samples. n. Cyclic prefix. Delay D.

247 views • 13 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks ( WPANs )

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks ( WPANs ) Submission Title: [New MBAN Standard Study on Chinese Sub-GHZ Bands] Date Submitted: [Nov. 5, 2011] Source: [Liang Li , Lan Zhu, XiaoMing Peng] Company [ Vinno , CESI, I2R]

202 views • 11 slides

FRINGE GENERATOR

FRINGE GENERATOR. Fringe Tracking and Phase Switching in Transition Period. Frequency offset for WIDAR. 1. HARDWARE. Analog Devices AD9852. 48 bit Phase Accumulator. 48 bit Frequency Accumulator. 48 bit Delta Frequency Register. 32 bit Update Clock Divisor. 14 bit Phase Adjust. 2.

217 views • 3 slides

Software Defined Radio

Used for power calibration. Stuck in this mode until Tx sends. Software Defined Radio. Turn On Rx. found m- seq Phase correction Frequency correction. Look for M- seq. Initial start up 12500 samples. Brad Freyberg, JunYong Lee, SungHo Yoon, Uttara Kumar, Tingting Zou.

108 views • 1 slides