Cooperation in Wireless Communication Networks
... architecture. They include a sample buffer where symbols of previously received packets are stored and a combiner which merges the stored packets with the newly received packets for decoding [13]. If the newly received packets do not contain new coded symbols, as in both AF and DF with a repetition ...
... architecture. They include a sample buffer where symbols of previously received packets are stored and a combiner which merges the stored packets with the newly received packets for decoding [13]. If the newly received packets do not contain new coded symbols, as in both AF and DF with a repetition ...
OMNeT++ tutorial
... As soon as the switching process is over the phy module will send us a message of kind "RADIO_SWITCHING_OVER" over the control channel. As soon as the radio is in TX mode we can start sending the packet to the channel which we do in "handleRadioSwitchedToTX()“ Here the packet we got from the upper l ...
... As soon as the switching process is over the phy module will send us a message of kind "RADIO_SWITCHING_OVER" over the control channel. As soon as the radio is in TX mode we can start sending the packet to the channel which we do in "handleRadioSwitchedToTX()“ Here the packet we got from the upper l ...
WB-FastNets2
... each connection, there is an associated QOS, implied or stated. These are qualities such as: 1. peak cell rate, and peak duration 2. average cell rate 3. allowable loss rate ...
... each connection, there is an associated QOS, implied or stated. These are qualities such as: 1. peak cell rate, and peak duration 2. average cell rate 3. allowable loss rate ...
Photo Album
... • Point-to-point wiring for individual segments. • Supported by several hardware and software vendors. • All the computers have access to the larger and their immediate networks. Disadvantages of a Tree Topology • Overall length of each segment is limited by the type of cabling used. • If the backbo ...
... • Point-to-point wiring for individual segments. • Supported by several hardware and software vendors. • All the computers have access to the larger and their immediate networks. Disadvantages of a Tree Topology • Overall length of each segment is limited by the type of cabling used. • If the backbo ...
Topology Control in Mobile Ad Hoc Networks with Cooperative
... decoding and then forward the decoding result to the destinations. If multiple nodes are available for cooperation, their antennas can employ a space-time code in transmitting the relay signals. It is shown that cooperation at the physical layer can achieve full levels of diversity similar to a MIMO ...
... decoding and then forward the decoding result to the destinations. If multiple nodes are available for cooperation, their antennas can employ a space-time code in transmitting the relay signals. It is shown that cooperation at the physical layer can achieve full levels of diversity similar to a MIMO ...
Efficiency through Eavesdropping: Link-layer Packet Caching
... The question we ask in this paper is: how can we turn the broadcast nature of wireless to our advantage, instead of leaving it purely an interference-causing liability. Past approaches to doing so include caching opportunistically overheard objects (e.g., in satellite-based distribution systems [2]) ...
... The question we ask in this paper is: how can we turn the broadcast nature of wireless to our advantage, instead of leaving it purely an interference-causing liability. Past approaches to doing so include caching opportunistically overheard objects (e.g., in satellite-based distribution systems [2]) ...
subnetting - WordPress.com
... In this example a 3 bit subnet mask was used. There are 6 (23-2) subnets available with this size mask (remember that subnets with all 0's and all 1's are not allowed). Each subnet has 8190 (213-2) nodes. Each subnet can have nodes assigned to any address between the Subnet address and the Broadcast ...
... In this example a 3 bit subnet mask was used. There are 6 (23-2) subnets available with this size mask (remember that subnets with all 0's and all 1's are not allowed). Each subnet has 8190 (213-2) nodes. Each subnet can have nodes assigned to any address between the Subnet address and the Broadcast ...
STUDY OF ROUTING PROTOCOLS IN MOBILE AD
... One of the benefits of TORA is that the multiple routes between any source destination pair are supported by this protocol. Therefore, failure or removal of any of the nodes is quickly resolved without source intervention by switching to an alternate route. TORA is also not free from limitations. On ...
... One of the benefits of TORA is that the multiple routes between any source destination pair are supported by this protocol. Therefore, failure or removal of any of the nodes is quickly resolved without source intervention by switching to an alternate route. TORA is also not free from limitations. On ...
Lecture 12 - Personal Web Pages - University of North Carolina at
... N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } Remark: Graph abstraction is useful in other network contexts Example: P2P, where N is set of peers and E is set of TCP connections ...
... N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } Remark: Graph abstraction is useful in other network contexts Example: P2P, where N is set of peers and E is set of TCP connections ...
Review of Important Networking Concepts TCP/IP Introductory
... In this case, each computer is connected to only one link and therefore has only one pair of addresses. Each router, however, is connected to three networks (only two are shown in the figure). So each router has three pairs of addresses, one for each connection. Note. The physical addresses will cha ...
... In this case, each computer is connected to only one link and therefore has only one pair of addresses. Each router, however, is connected to three networks (only two are shown in the figure). So each router has three pairs of addresses, one for each connection. Note. The physical addresses will cha ...
Link Layer
... seldom used on low bit-error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? 5: DataLink Layer ...
... seldom used on low bit-error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? 5: DataLink Layer ...
SAR-PDU
... • Transfer of service date unit with a constant source bit-rate and their delivery with the same bit rate - Voice traffic 64kbps: as in N-ISDN to be transported over an ATM network. This service is called circuit emulation. In other words, how TDM type circuits can be emulated over ATM. • CBR-Voice; ...
... • Transfer of service date unit with a constant source bit-rate and their delivery with the same bit rate - Voice traffic 64kbps: as in N-ISDN to be transported over an ATM network. This service is called circuit emulation. In other words, how TDM type circuits can be emulated over ATM. • CBR-Voice; ...
View
... company (Kazaa BV) – Single network called FastTrack used by other clients as well – Eventually the protocol changed so other clients could no longer talk to it ...
... company (Kazaa BV) – Single network called FastTrack used by other clients as well – Eventually the protocol changed so other clients could no longer talk to it ...
20050718-HOPI-Summerhill
... •Use the testbed to model many of the issues that arise in the next generation design •Refine architectural models over the next few years ...
... •Use the testbed to model many of the issues that arise in the next generation design •Refine architectural models over the next few years ...
Parameterized Supply Function Equilibrium in Power
... constraints [15], [16]. For example, it is well known that if we restrict ourselves to linear or piecewise-constant supply functions, supply function equilibria may fail to exist in simple two or three-node networks [17], [18]. In an effort to address such difficulties, there has emerged another str ...
... constraints [15], [16]. For example, it is well known that if we restrict ourselves to linear or piecewise-constant supply functions, supply function equilibria may fail to exist in simple two or three-node networks [17], [18]. In an effort to address such difficulties, there has emerged another str ...
CCNA testout unit 2
... the tasks that hosts perform to prepare data for transport across the network. You should be familiar with the TCP/IP model because it is a widely used method for understanding and talking about network communications. However, remember that it is only a theoretical model that defines standards for ...
... the tasks that hosts perform to prepare data for transport across the network. You should be familiar with the TCP/IP model because it is a widely used method for understanding and talking about network communications. However, remember that it is only a theoretical model that defines standards for ...
Network
... Application data (message) sent to Transport for reliable exchange Transport segment sent to Network for addressing and routing Intermediate nodes Examine Network datagrams for addressing and routing Treat Transport segment as meaningless data Computer Networks — Hadassah College — Fall 2015 ...
... Application data (message) sent to Transport for reliable exchange Transport segment sent to Network for addressing and routing Intermediate nodes Examine Network datagrams for addressing and routing Treat Transport segment as meaningless data Computer Networks — Hadassah College — Fall 2015 ...
M6 Lecture1
... 5. Network layer: Is responsible for the routing of packets through the entire network. Note that the physical address (like MAC address) keeps changing from hop to hop when a packet travels from source to destination. As a result, an address that doesn't change is required to ensure continuity be ...
... 5. Network layer: Is responsible for the routing of packets through the entire network. Note that the physical address (like MAC address) keeps changing from hop to hop when a packet travels from source to destination. As a result, an address that doesn't change is required to ensure continuity be ...