'Processing gain' diaporamas de présentation

Building Robust Wireless LAN for Industrial Control with DSSS-CDMA Cell Phone Network Paradigm

Building Robust Wireless LAN for Industrial Control with DSSS-CDMA Cell Phone Network Paradigm. Qixin Wang Department of Computing The Hong Kong Polytechnic University. The demand for real-time wireless communication is increasing. Mechanical Freedom / Mobility

960 views • 79 slides

Building Robust Wireless LAN for Industrial Control with DSSS-CDMA Cell Phone Network Paradigm

Building Robust Wireless LAN for Industrial Control with DSSS-CDMA Cell Phone Network Paradigm. Qixin Wang Department of Computing The Hong Kong Polytechnic University. The demand for real-time wireless communication is increasing. Mechanical Freedom / Mobility

801 views • 79 slides

DIGITAL SPREAD SPECTRUM SYSTEMS

DIGITAL SPREAD SPECTRUM SYSTEMS. ENG-737. Wright State University James P. Stephens. FREQUENCY HOPPING. Data is sent during the dwell time of a frequency hopping radio Modulation is typically Binary FSK The frequency shift is small compared to the frequency hop center frequency channels

778 views • 48 slides

Spread Spectrum

Spread Spectrum. What is spread spectrum? .

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WCDMA Air Interface Training Part 3 CDMA Capacity Considerations

WCDMA Air Interface Training Part 3 CDMA Capacity Considerations. Cell Planning. FDMA systems Frequency Reuse Planning SNR Link Budget TDMA systems Frequency Reuse Planning Timeslot Allocation SNR Link Budget CDMA systems Code Reuse Planning SNR Link Budget Interference Link Budget.

533 views • 22 slides

PHY-Level Security Protection

Date: 2017-04-20. PHY-Level Security Protection. Authors:. Previously, we identified a threat model with two types of adversaries: Type A 1ms response time Type B 1us response time In this submission, we present a scheme to detect and suppress Type B adversary attacks at PHY level.

198 views • 19 slides

PHY-Level Security Protection

Date: 2017-04-20. PHY-Level Security Protection. Authors:. Previously in [1][2], we identified a threat model with two types of adversaries: Type A 1ms response time Type B 1us response time In this submission, we present a scheme to detect and suppress Type B adversary attacks at PHY level

196 views • 19 slides

ECE 5221 Personal Communication Systems

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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: [ CSS-Comparisons-and-Informative-Papers ] Date Submitted: [ 9 November 2004 ] Source: [ John Lampe ] Company [ Nanotron Technologies GmbH ] Address [ Alt-Moabit 61, 10555 Berlin, Germany ]

185 views • 14 slides

TGg Regulatory Approval Plan

TGg Regulatory Approval Plan. OFDM: Regulatory Compliance. High rate systems (>20 Mbps in same channel width) do not comply with current FCC rules FCC definition of DSSS and Spread Spectrum Can we work with FCC to get more flexible rules? Can we get a rule change under 99-231?

99 views • 9 slides

FCC Spectrum Management Topics NPRMs WBFH + DS Processing Gain Microwave Lighting

FCC Spectrum Management Topics NPRMs WBFH + DS Processing Gain Microwave Lighting. Federal Communications Commission NPRM: NOTICE OF PROPOSED RULE MAKING Amendment of Regulations for Part 15 Spread Spectrum Devices ET Docket No. 99-231 FCC 99-149 Released: June 24, 1999

90 views • 9 slides

Federal Communications Commission NPRM: NOTICE OF PROPOSED RULE MAKING

Federal Communications Commission NPRM: NOTICE OF PROPOSED RULE MAKING Amendment of Regulations for Part 15 Spread Spectrum Devices ET Docket No. 99-231 FCC 99-149 Released: June 24, 1999 Comment Date: [75 days after publication in the Federal Register]

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Milestones

Milestones. HomeRF Letter to FCC (11/98) NPRM Released (6/99) Close of Comment Period (10/4/99) Close of Reply Comments (11/19/99) Ex parte Comments on-going Main Issues Wide Band Frequency Hopping (WBFH) DSSS Processing Gain Test. Processing Gain. FCC Proposed Rule Change

64 views • 5 slides

FCC Update: NPRM 99-231

FCC Update: NPRM 99-231. Regulatory Ad Hoc Group Scottsdale, Arizona, USA September 19, 2000. NPRM 99-231. Two Issues: WBFH DSSS Processing Gain FCC Bifurcated Proceeding R & O issued on WBFH Decision pending on DSSS Processing Gain. WBFH (99-231). R & O issued August 31, 2000

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High output power under 915 MHz FCC regulations without FHSS

328 views • 4 slides