15-441 Computer Networking Lecture 5 ± Ethernet MAC Protocols: A Taxonomy Three broad classes: Channel partitioning Divide channel into smaller ³pieces´ (time slots, frequency)…

1. Qian Zhang Department of Computer ScienceHKUST Advanced Topics in Next-Generation Wireless NetworksMACand 802.11 2. Multiple Access Links and Protocols Two types of “links”:…

Slide 1 Link Layer Slide 2 2 Content Error detection and correction MAC sub-layer Ethernet Token Ring Slide 3 3 Access Protocols Who gets to use the channel next? Fixed/Static…

Slide 1 1 Random Access Protocols r When node has packet to send m transmit at full channel data rate R. m no a priori coordination among nodes  two or more transmitting…

State Feedback U G(s) Y U G(s) Y Gc(s) R U G(s) Y Gc(s) R Gc(s) R1 U G(s) Y K R K R1 U G(s) Y K R K1 R1 State Feedback B U C DX X Y A B U C DX X Y A K K1 R Box sizes with…

Multiple Access Readings: Kurose & Ross, 5.3, 5.5 Multiple Access Multiple hosts sharing the same medium What are the new problems? Shared Media Ethernet bus Radio channel…

PowerPoint Presentation Data Link Layer 5-1 Review of MAC protocols channel partitioning, by time, frequency or code Time Division, Frequency Division random access (dynamic),…

14.127Lecture 6 Xavier Gabaix March11, 2004 0.0.1 Shrouded attributes. A continuation Rational guys Rational demand for good 1 We look for symmetric equilibrium with Profits…

CS 352 Internet Technology 1 Content Error detection and correction MAC sub-layer Ethernet Token Ring 2 Access Protocols Who gets to use the channel next? Fixed/Static assignment…

PowerPoint Presentation Data Link Layer 5-1 Review of MAC protocols channel partitioning, by time, frequency or code Time Division, Frequency Division random access (dynamic),…