'Control channels' presentation slideshows

Air Interface

Air Interface. Air Interface. Radio Transmission Techniques FDMA TDMA CDMA Channels Physical channels Logical channels. FDMA. Frequency. Channel. Time. TDMA. Time Slot. Frequency. Channel. Time. 0. 1. 2. 3. 4. 5. 6. 7. CDMA. Frequency. Code. Time. Code 1. Code 2.

1.07k views • 89 slides

GSM Protocol Stack Shrish Mammattva Bajpai

GSM Protocol Stack Shrish Mammattva Bajpai. What is Protocol Stack ?.

880 views • 77 slides

Multiplexing/MAC

Multiplexing/MAC. Malathi Veeraraghavan Univ. of Virginia. Outline Types of links Multi-access (shared single) link Point-to-point link Types of multiplexing techniques Circuit-based multiplexing Packet-based multiplexing. Purpose of multiplexing/MAC. To share link bandwidth. MAC.

970 views • 68 slides

GSM Channels & Air Interface

GSM Channels & Air Interface. The GSM radio interface. The radio interface is the interface between the mobile stations and the fixed infrastructure. It is one of the most important interfaces of the GSM system.

1.58k views • 55 slides

Lecture 4: Cellular Fundamentals

647 views • 54 slides

Mobile Computing

Mobile Computing. GSM Global System For Mobile Communication. Cellular Concept. Base stations (BS): implement space division multiplex Each BS covers a certain transmission area (cell) Each BS is allocated a portion of the total number of channels available

920 views • 52 slides

GSM Protocol Architecture

GSM Protocol Architecture . Shariful Hasan Shaikot Graduate Student Computer Science Department Oklahoma State University. Outline. What is GSM? Nomenclature GSM Protocol Architecture Overview of Interfaces GSM Protocol Stack Overview of Layer-I Overview of Layer-II

3.83k views • 44 slides

GSM Protocol Architecture

GSM Protocol Architecture . Shariful Hasan Shaikot Graduate Student Computer Science Department Oklahoma State University. Outline. What is GSM? Nomenclature GSM Protocol Architecture Overview of Interfaces GSM Protocol Stack Overview of Layer-I Overview of Layer-II

1.54k views • 44 slides

Global System For Mobile Communication (GSM)

455 views • 44 slides

Chapter 9: Existing Wireless Systems: 2G, GSM System

Chapter 9: Existing Wireless Systems: 2G, GSM System. Associate Prof. Yuh-Shyan Chen Dept. of Computer Science and Information Engineering National Chung-Cheng University. Introduction. Global System for Mobile communication or Groupe Speciale Mobile (GSM) communication

651 views • 43 slides

Lecture 3: Cellular Systems

Lecture 3: Cellular Systems. Frequency Assignments. UK. 890 MHz. 915. 935. 960. US. 825. 845. 870. 890. Japan. 870. 885. 925. 940. Frequency usage in GSM at Europe. f. 960 MHz. 124. Downlink. 200 kHz. 935.2 MHz. 1. 20 MHz. 915 MHz. 124. Uplink. 890.2 MHz. 1. t.

435 views • 35 slides

Introduction to Mobile Communications

417 views • 35 slides

NA-TDMA (IS-136)

NA-TDMA (IS-136). Original by: George Palafox, Ai Wen Liang, Gee Yee, Johnny Kuok, EL604, Fall 2001; Modified by Prof. M. Veeraraghavan. Introduction Why North-American TDMA (NA-TDMA) was created Started as IS-54; additions made to create IS136 Frequency allocation and FDD/TDD Channels

471 views • 31 slides

Cellular Wireless Networks

Cellular Wireless Networks. Raj Jain Washington University Saint Louis, MO 63131 Jain@cse.wustl.edu These slides are available on-line at: http://www.cse.wustl.edu/~jain/cse473-05/. Overview. Overview of Cellular System PHY Issues in Cellular Systems Wireless Generations

553 views • 30 slides

Wireless Data Communication Networks Lecture 20: Introduction to GSM

374 views • 23 slides

Wireless Networks

Wireless Networks. Lecture 15 Analog Mobile Phone System Dr. Ghalib A. Shah. outlines. AMPS introduction System Overview Call handling Air interface Supervisory signals N-AMPS. Last Lecture review. Trunking and Grade of Service Measuring Traffic Intensity Trunked Systems

466 views • 21 slides

Control Plane Resilience and Security in GMPLS Networks: Fact and Fiction

Control Plane Resilience and Security in GMPLS Networks: Fact and Fiction. Adrian Farrel Old Dog Consulting (adrian@olddog.co.uk). Agenda. Control of Legacy Transport Networks MPLS Control Channels GMPLS Separation of Control and Data Channels What is a Control Channel?

270 views • 16 slides

VCs used by the CP (on Port 7)

VCs used by the CP (on Port 7). Port CP: 32 ? Switch control cells Port CP: 40+N ? N/40 (IP Data from 0 to N) (FPX also may touch) Port CP: 61 ? */61 (DQ broadcast) (FPX also may touch) SPC0 has to have special treatment of VCI=61 so it can send a copy back to the CP for monitoring on VC = 60

328 views • 15 slides

Control Plane Resilience

Control Plane Resilience. Young H. Kim ETRI November 7, 2005. Status of Drafts. draft-kim-ccamp-cpr-reqts-01.txt Requirements for providing CP resilience in non-(G)MPLS and (G)MPLS Terminology, necessities, and solution specific requirements for CP resilience

273 views • 11 slides

Requirements for the Resilience of Control Plane in GMPLS (draft-kim-ccamp-cpr-reqts-00.txt)

Requirements for the Resilience of Control Plane in GMPLS (draft-kim-ccamp-cpr-reqts-00.txt). CCAMP WG (59 th IETF) Apr.04, 2004. Young Hwa Kim (yhwkim@etri.re.kr). 1. Summary of the draft 2. Necessities for Resilience of Control Networks 3. Conclusion. Contents.

220 views • 9 slides