33 Xiuzhen PPTs View free & download

Xiuzhen Cheng cheng@gwu.edu PowerPoint PPT Presentation

Xiuzhen Cheng cheng@gwu.edu - Bluetooth Consortium was founded in Spring 1998. By Ericsson, Intel, IBM, Nokia, Toshiba; Now more than 2000 organizations joint the SIG ...

Bluetooth Consortium was founded in Spring 1998. By Ericsson, Intel, IBM, Nokia, Toshiba; Now more than 2000 organizations joint the SIG ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng cheng@gwu.edu - Csci388 Wireless and Mobile Security A Survey on Ad Hoc Routing Protocols Xiuzhen Cheng cheng@gwu.edu Outline Introduction Topology-based routing Proactive ...

Csci388 Wireless and Mobile Security A Survey on Ad Hoc Routing Protocols Xiuzhen Cheng cheng@gwu.edu Outline Introduction Topology-based routing Proactive ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng cheng@gwu.edu - Intercepting Mobile Communications: The Insecurity of 802.11. Wireless ... equipment by modifying driver settings (Lucent PCMCIA Orinoco wireless card) ...

Intercepting Mobile Communications: The Insecurity of 802.11. Wireless ... equipment by modifying driver settings (Lucent PCMCIA Orinoco wireless card) ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng cheng@gwu.edu - Csci388 Wireless and Mobile Security Access Control: 802.1X, EAP, and RADIUS Xiuzhen Cheng cheng@gwu.edu WEP Weakness IV is too short and not protected from reuse ...

Csci388 Wireless and Mobile Security Access Control: 802.1X, EAP, and RADIUS Xiuzhen Cheng cheng@gwu.edu WEP Weakness IV is too short and not protected from reuse ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng PowerPoint PPT Presentation

Xiuzhen Cheng - Sharing cached data Coherence (values returned by a read), Consistency (when a ... True sharing misses arise from the communication of data through the cache ...

Sharing cached data Coherence (values returned by a read), Consistency (when a ... True sharing misses arise from the communication of data through the cache ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng cheng@gwu.edu - Computer Technology - Dramatic Change! Memory. DRAM capacity: 2x / 2 years (since 96) ... Computer Technology - Dramatic Change! State-of-the-art PC when you ...

Computer Technology - Dramatic Change! Memory. DRAM capacity: 2x / 2 years (since 96) ... Computer Technology - Dramatic Change! State-of-the-art PC when you ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng cheng@gwu.edu - Csci332 MAS Networks Challenges and State-of-the-Art Research Underwater Sensor Networks Xiuzhen Cheng cheng@gwu.edu Introduction Underwater acoustic sensor ...

Csci332 MAS Networks Challenges and State-of-the-Art Research Underwater Sensor Networks Xiuzhen Cheng cheng@gwu.edu Introduction Underwater acoustic sensor ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng cheng@gwu.edu - Authentication key distributed out-of-band, it is the same as the encryption key ... plaintext on one leg of the journey, you can recover the key stream ...

Authentication key distributed out-of-band, it is the same as the encryption key ... plaintext on one leg of the journey, you can recover the key stream ...

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II PowerPoint PPT Presentation

Csci 136 Computer Architecture II - Title: PowerPoint Presentation Author: Xiuzhen Cheng Last modified by: Xiuzhen Cheng Created Date: 1/15/2003 8:46:02 PM Document presentation format

Title: PowerPoint Presentation Author: Xiuzhen Cheng Last modified by: Xiuzhen Cheng Created Date: 1/15/2003 8:46:02 PM Document presentation format

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - Csci 136 Computer Architecture II Designing a Multi-Cycle Processor Xiuzhen Cheng cheng@gwu.edu

Csci 136 Computer Architecture II Designing a Multi-Cycle Processor Xiuzhen Cheng cheng@gwu.edu

| PowerPoint PPT presentation | free to download

Csci 211 Computer System Architecture PowerPoint PPT Presentation

Csci 211 Computer System Architecture - Csci 211 Computer System Architecture Review on Cache Memory Xiuzhen Cheng cheng@gwu.edu ...

Csci 211 Computer System Architecture Review on Cache Memory Xiuzhen Cheng cheng@gwu.edu ...

| PowerPoint PPT presentation | free to download

TinySec: A Link Layer Security Architecture for Wireless Sensor Networks PowerPoint PPT Presentation

TinySec: A Link Layer Security Architecture for Wireless Sensor Networks - TinySec: A Link Layer Security Architecture for Wireless Sensor Networks Chris Karlof, Naveen Sastry & David Wagner Dr. Xiuzhen Cheng Department of Computer Science

TinySec: A Link Layer Security Architecture for Wireless Sensor Networks Chris Karlof, Naveen Sastry & David Wagner Dr. Xiuzhen Cheng Department of Computer Science

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - Title: PowerPoint Presentation Author: Xiuzhen Cheng Last modified by: cheng Created Date: 1/15/2003 8:46:02 PM Document presentation format: On-screen Show

Title: PowerPoint Presentation Author: Xiuzhen Cheng Last modified by: cheng Created Date: 1/15/2003 8:46:02 PM Document presentation format: On-screen Show

| PowerPoint PPT presentation | free to download

Csci 211 Computer System Architecture - Csci 211 Computer System Architecture Review on Virtual Memory Xiuzhen Cheng cheng@gwu.edu * * * * * * * * * * * * * * * * * * * * * * * * * * * * Q4: What to do ...

Csci 211 Computer System Architecture Review on Virtual Memory Xiuzhen Cheng cheng@gwu.edu * * * * * * * * * * * * * * * * * * * * * * * * * * * * Q4: What to do ...

| PowerPoint PPT presentation | free to download

Silhouette Analysis-Based Gait Recognition PowerPoint PPT Presentation

Silhouette Analysis-Based Gait Recognition - Title: No Slide Title Author: Xiuzhen Huang Last modified by: DELL4600 Created Date: 9/16/2003 2:24:13 PM Document presentation format: On-screen Show

Title: No Slide Title Author: Xiuzhen Huang Last modified by: DELL4600 Created Date: 9/16/2003 2:24:13 PM Document presentation format: On-screen Show

| PowerPoint PPT presentation | free to view

Csci 136 Computer Architecture II - Reg/Dec: Registers Fetch and Instruction Decode. Exec: Calculate the memory address ... Registers Fetch and Instruction Decode. Exec: compares the two register ...

Reg/Dec: Registers Fetch and Instruction Decode. Exec: Calculate the memory address ... Registers Fetch and Instruction Decode. Exec: compares the two register ...

| PowerPoint PPT presentation | free to download

Group Key Distribution PowerPoint PPT Presentation

Group Key Distribution - C.K.Wong et al: Secure Group Communications Using Key Graphs ... Group-oriented is putting all re-keying messages together to generate a big, fat ...

C.K.Wong et al: Secure Group Communications Using Key Graphs ... Group-oriented is putting all re-keying messages together to generate a big, fat ...

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - Out of order execution is possible ... Re-order the instructions to avoid as many pipeline stalls as possible. Solution Hints: ...

Out of order execution is possible ... Re-order the instructions to avoid as many pipeline stalls as possible. Solution Hints: ...

| PowerPoint PPT presentation | free to download

Network Security Principles, Symmetric Key Cryptography, Public Key Cryptography PowerPoint PPT Presentation

Network Security Principles, Symmetric Key Cryptography, Public Key Cryptography - ... for treason after Queen Elizabeth's I's spymaster cracked her ... Terms courtesy of Claude Shannon, father of Information Theory 'Confusion' = Substitution ...

... for treason after Queen Elizabeth's I's spymaster cracked her ... Terms courtesy of Claude Shannon, father of Information Theory 'Confusion' = Substitution ...

| PowerPoint PPT presentation | free to download

CS388: Wireless and Mobile Security -- Introduction PowerPoint PPT Presentation

CS388: Wireless and Mobile Security -- Introduction - Ethernet, WiFi. Physical: bits 'on the wire' Coaxial cable, optical fibers, radios ... An example: IEEE 802.11b (WiFi) Operating center frequency: 2.4 GHz. ...

Ethernet, WiFi. Physical: bits 'on the wire' Coaxial cable, optical fibers, radios ... An example: IEEE 802.11b (WiFi) Operating center frequency: 2.4 GHz. ...

| PowerPoint PPT presentation | free to view

Welcome to the OCCA Spring Meeting June 2, 2005 PowerPoint PPT Presentation

Welcome to the OCCA Spring Meeting June 2, 2005 - The Ontario Conference of Casualty Actuaries (OCCA) held its Fall meeting on ... Nala Sitsabesan. Lourdes Sosa. Deborah Upton. Chris Van Kooten. Siddharth Venkataraman ...

The Ontario Conference of Casualty Actuaries (OCCA) held its Fall meeting on ... Nala Sitsabesan. Lourdes Sosa. Deborah Upton. Chris Van Kooten. Siddharth Venkataraman ...

| PowerPoint PPT presentation | free to view

CSCI 211 Computer System Architecture Lec 8 PowerPoint PPT Presentation

CSCI 211 Computer System Architecture Lec 8 - Consistency, Coherency, Write Serialization ... Consistency determines when a written value will be returned by a read ... Write Consistency. For now assume ...

Consistency, Coherency, Write Serialization ... Consistency determines when a written value will be returned by a read ... Write Consistency. For now assume ...

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - B is good when branch taking probability is high. ... Branch decision is made at MEM stage: instructions in IF, ID, EX stages need to be discarded. ...

B is good when branch taking probability is high. ... Branch decision is made at MEM stage: instructions in IF, ID, EX stages need to be discarded. ...

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - Readings: Sections 3.6, 3.7, 3.10, 3.11, 3.13, 3.14. Problems 3.5, 3.10, 3.12, 3.22, 3.23, 3.24, 3.25. Project ... What is an ISA? A very important abstraction ...

Readings: Sections 3.6, 3.7, 3.10, 3.11, 3.13, 3.14. Problems 3.5, 3.10, 3.12, 3.22, 3.23, 3.24, 3.25. Project ... What is an ISA? A very important abstraction ...

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - MIPS Addressing Modes. MIPS Instruction Format. R-Type. I-Type. J-Type. Encoding Assembly Code ... int, an unsigned int, a pointer (memory address), and so on ...

MIPS Addressing Modes. MIPS Instruction Format. R-Type. I-Type. J-Type. Encoding Assembly Code ... int, an unsigned int, a pointer (memory address), and so on ...

| PowerPoint PPT presentation | free to view

Access Methods for Mobile Ad Hoc Networks PowerPoint PPT Presentation

Access Methods for Mobile Ad Hoc Networks - Access Methods for Mobile Ad Hoc Networks (MANET) Nishitha Ayyalapu KUID: 2335165 Outline Introduction 2. Effect of Mobility on Protocol Stack 3.

Access Methods for Mobile Ad Hoc Networks (MANET) Nishitha Ayyalapu KUID: 2335165 Outline Introduction 2. Effect of Mobility on Protocol Stack 3.

| PowerPoint PPT presentation | free to download

UNIVERSIDAD DE GUAYAQUIL Maestr PowerPoint PPT Presentation

UNIVERSIDAD DE GUAYAQUIL Maestr - a partir de 1966, Grupo Fluxus, George Brecht ... Lucy R. (1973) Six Years: the Dematerializacion of the Art Object from 1966 to 1972 ...

a partir de 1966, Grupo Fluxus, George Brecht ... Lucy R. (1973) Six Years: the Dematerializacion of the Art Object from 1966 to 1972 ...

| PowerPoint PPT presentation | free to download

P1252109244ROZBA PowerPoint PPT Presentation

P1252109244ROZBA - Parallel Design of JPEG2000 Image Compression

Parallel Design of JPEG2000 Image Compression

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - Pentium bug appearance ... Pentium Bug Time line. June 1994: Intel discovers bug in Pentium: takes months to make change, reverify, ...

Pentium bug appearance ... Pentium Bug Time line. June 1994: Intel discovers bug in Pentium: takes months to make change, reverify, ...

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II Overview on Cache Memory PowerPoint PPT Presentation

Csci 136 Computer Architecture II Overview on Cache Memory - Implemented with SRAM technology: faster but more expensive than DRAM memory. ... Present the user with as much memory as is available in the cheapest technology. ...

Implemented with SRAM technology: faster but more expensive than DRAM memory. ... Present the user with as much memory as is available in the cheapest technology. ...

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II MIPS Procedure Call Handling - Csci 136 Computer Architecture II MIPS Procedure Call Handling

Csci 136 Computer Architecture II MIPS Procedure Call Handling

| PowerPoint PPT presentation | free to download

Csci 136 Computer Architecture II - Homework Assignment #7 is due on March 10, before class. Readings: Sections 5.1-5.4 ... 16. imm16. ALUSrc. ExtOp. Mux. MemtoReg. Clk. Data In. WrEn. 32. Adr ...

Homework Assignment #7 is due on March 10, before class. Readings: Sections 5.1-5.4 ... 16. imm16. ALUSrc. ExtOp. Mux. MemtoReg. Clk. Data In. WrEn. 32. Adr ...

| PowerPoint PPT presentation | free to download

Xiuzhen Cheng cheng@gwu.edu - Temporal keys are generated from PMK ... Two sets of temporal keys: one for EAPOL handshake and one for data. All temporal keys must be 128 bits in length ...

Temporal keys are generated from PMK ... Two sets of temporal keys: one for EAPOL handshake and one for data. All temporal keys must be 128 bits in length ...

| PowerPoint PPT presentation | free to download

Xiuzhen PowerPoint PPT Presentations