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OSI Physical Layer

OSI Physical Layer

OSI Physical Layer. Objectives. Explain the role of Physical layer protocols and services in supporting communication across data networks. Describe the role of signals used to represent bits as a frame as the frame is transported across the local media.

By may
(102 views)

OSI Physical Layer

OSI Physical Layer

OSI Physical Layer. Network Fundamentals – Chapter 8. Objectives. Explain the role of Physical layer protocols and services in supporting communication across data networks. - Describe the role of signals used to represent bits as a frame as the frame is transported across the local media

By bruce-patel
(122 views)


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PHYSICAL LAYER

PHYSICAL LAYER

PHYSICAL LAYER. 6.2 Transport Channels and their Mapping to the Physical Channels. 6.2 TRANSPORT CHANNELS AND THEIR MAPPING TO THE PHYSICAL CHANNELS. In UTRA the data generated at higher layers is carried over with transport channels

By bess (122 views)

Physical Layer

Physical Layer

Physical Layer. Overview of physical layer Channel limitation Modulation/demodulation. Introduction. Physical layer . What You Need for Better Understanding. Representation of Information. Digital representation Information that occurs naturally in digital form

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Physical Layer

Physical Layer

Physical Layer. Computer Networks. Eko Prasetyo Teknik Informatika Universitas Muhammadiyah Gresik 2012. Gelombang. Perubahan voltage pada sinyal dilakukan untuk membedakan bit 0 dan 1. Sumbu x menyatakan waktu , sumbu y menyatakan tegangan .

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Physical Layer

Physical Layer

Physical Layer. Nelson Fonseca. Principle in Action: Nyquist Theorem vs. Shannon Theorem. Nyquist Theorem: Nyquist sampling theorem f s ≧ 2 x f max Maximum data rate for noiseless channel 2 B log 2 L (B: bandwidth, L: # states to represent a symbol) 2 x 3k x log 2 2 = 6 kbps

By rvelazquez (1 views)

Physical Layer

Physical Layer

Physical Layer. Computer Networks. Numbering Systems. Binary Hexadecimal Decimal. Transmission of Information. From Physics Energy Electromagnetic wave propogation From Mathematics Coding Theory. Analog and Digital Signaling. Amplitude Modulation. Frequency Modulation.

By bettyann (0 views)

Physical Layer

Physical Layer

PART II. Physical Layer. Position of the physical layer. Services. Chapters. Chapter 3 Signals. Chapter 4 Digital Transmission. Chapter 5 Analog Transmission. Chapter 6 Multiplexing. Chapter 7 Transmission Media. Chapter 8 Circuit Switching and Telephone Network.

By nissim-lambert (171 views)

Physical Layer

Physical Layer

PART II. Physical Layer. Position of the physical layer. Services. Chapters. Chapter 3 Signals. Chapter 4 Digital Transmission. Chapter 5 Analog Transmission. Chapter 6 Multiplexing. Chapter 7 Transmission Media. Chapter 8 Circuit Switching and Telephone Network.

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Physical Layer

Physical Layer

Physical Layer. Dr. Sanjay P. Ahuja, Ph.D. Fidelity National Financial Distinguished Professor of CIS School of Computing, UNF. Introduction. Purpose of the physical layer is to transport a raw bit stream from one machine to another.

By ellawebb (0 views)

Physical Layer

Physical Layer

Physical Layer. Physical Layer. Merupakan lapisan terbawah dari OSI. Lapisan ini bertanggung jawab terhadap masalah pemindahan data dari hardware satu ke hardware lain. Lapisan ini mendefinisikan tentang media penghantar, jenis konektor, serta aturan pensinyalan

By bonita (222 views)