PPT - Winlab
... Node buffer size of 50 packets. Grid distance = 250 meters diagonal nodes (425 meters) interfere with one another. Increase in RTS_TIME and CTS_TIME values; no need to ...
... Node buffer size of 50 packets. Grid distance = 250 meters diagonal nodes (425 meters) interfere with one another. Increase in RTS_TIME and CTS_TIME values; no need to ...
MAC Part I - UCLA Computer Science
... 125 subbands in a 25 Mhz range) • Time is subdivided into slots; each slot can carry several bits (slow FH) • A typical packet covers several time slots (up to 5 slots in Bluetooth) • A transmitter changes frequency slot by slot (frequency hopping) according to unique, predefined sequence; all users ...
... 125 subbands in a 25 Mhz range) • Time is subdivided into slots; each slot can carry several bits (slow FH) • A typical packet covers several time slots (up to 5 slots in Bluetooth) • A transmitter changes frequency slot by slot (frequency hopping) according to unique, predefined sequence; all users ...
document
... Optical Label Switching (OLS) OLS enables packet switching and multiplexing in the optical domain Packet forwarding is based on an optical header Header is sub-carrier multiplexed with the optical data The “label” field in the optical header determines packet forwarding Data is delayed wh ...
... Optical Label Switching (OLS) OLS enables packet switching and multiplexing in the optical domain Packet forwarding is based on an optical header Header is sub-carrier multiplexed with the optical data The “label” field in the optical header determines packet forwarding Data is delayed wh ...
Operating Systems - Jazi Eko Istiyanto
... – the higher the compression ratio, the less tolerant to transmission errors » e.g. residual-excited linear predictive coding quite vulnerable to errors » error detection and correction codes necessary » like optimising traffic flows on roads : vulnerable to accident glitches ...
... – the higher the compression ratio, the less tolerant to transmission errors » e.g. residual-excited linear predictive coding quite vulnerable to errors » error detection and correction codes necessary » like optimising traffic flows on roads : vulnerable to accident glitches ...
Document
... – Negative acknowledgements (NACKs) used – Packet loss due to receive buffer overflows or bit errors will be handled at the end of the multicast • important for high-speed multicast ...
... – Negative acknowledgements (NACKs) used – Packet loss due to receive buffer overflows or bit errors will be handled at the end of the multicast • important for high-speed multicast ...
1 Gigabit Long-Wavelength SFP Transceiver
... The SFP+ SR module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. The module provides differential termination and reduce differential to common mode conversion f ...
... The SFP+ SR module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. The module provides differential termination and reduce differential to common mode conversion f ...
File - all.about.gold
... The transmit and receive switches shown above are electronic and operate in response to commands from a central control unit. It is possible that two or more destination registers will be switched on to receive data from a single source. However, only one source may transmit data onto the bus at an ...
... The transmit and receive switches shown above are electronic and operate in response to commands from a central control unit. It is possible that two or more destination registers will be switched on to receive data from a single source. However, only one source may transmit data onto the bus at an ...
Xs1200
... model employing Class H output circuitry. The amplifier shall include protection from shorted, open and mismatched loads, general overheating, DC, high-frequency overloads, under/over voltage, and internal faults. The front-panel controls shall be a power switch and a gray rotary level control (one ...
... model employing Class H output circuitry. The amplifier shall include protection from shorted, open and mismatched loads, general overheating, DC, high-frequency overloads, under/over voltage, and internal faults. The front-panel controls shall be a power switch and a gray rotary level control (one ...
Single core
... Single mode Fiber Single-mode Fiber: Further improvements can be obtained by reducing the core diameter to that of a single wavelength (3-10 Mm). The emitted light propagates along a single (dispersionless) path. Small core allows propagation in only one mode The bit rate will be very high. ...
... Single mode Fiber Single-mode Fiber: Further improvements can be obtained by reducing the core diameter to that of a single wavelength (3-10 Mm). The emitted light propagates along a single (dispersionless) path. Small core allows propagation in only one mode The bit rate will be very high. ...
Finisar FTLF8519F2xTL 1000BASE
... respectively. Typical maximum data rate extends to 2.5Gb/s. 2. At 1.0625 Gb/s Fibre Channel and 1.25 Gb/s Gigabit Ethernet data rates. 3. At 2.125 Gb/s Fibre Channel data rate. 4. At 1.0625, 1.25, and 2.125Gb/s with PRBS 27-1. ...
... respectively. Typical maximum data rate extends to 2.5Gb/s. 2. At 1.0625 Gb/s Fibre Channel and 1.25 Gb/s Gigabit Ethernet data rates. 3. At 2.125 Gb/s Fibre Channel data rate. 4. At 1.0625, 1.25, and 2.125Gb/s with PRBS 27-1. ...
FTLF8519F2GTL Datasheet
... respectively. Typical maximum data rate extends to 2.5Gb/s. 2. At 1.0625 Gb/s Fibre Channel and 1.25 Gb/s Gigabit Ethernet data rates. 3. At 2.125 Gb/s Fibre Channel data rate. 4. At 1.0625, 1.25, and 2.125Gb/s with PRBS 27-1. ...
... respectively. Typical maximum data rate extends to 2.5Gb/s. 2. At 1.0625 Gb/s Fibre Channel and 1.25 Gb/s Gigabit Ethernet data rates. 3. At 2.125 Gb/s Fibre Channel data rate. 4. At 1.0625, 1.25, and 2.125Gb/s with PRBS 27-1. ...
MAC layer
... transmission using the carrier sense mechanism – If C transmits, collision will occur at node B ...
... transmission using the carrier sense mechanism – If C transmits, collision will occur at node B ...
Link Layer - UNM Computer Science
... • encapsulate datagram into frame, adding header, trailer • implement channel access if shared medium, • ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! ...
... • encapsulate datagram into frame, adding header, trailer • implement channel access if shared medium, • ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! ...
Network Routing
... Ethernet: From Bit to Electrical Signal Use Manchester encoding One voltage change per bit ...
... Ethernet: From Bit to Electrical Signal Use Manchester encoding One voltage change per bit ...
UNLEASHING the LIGHT - TS
... Optical glass fibre production can be considered as a wonder of modern engineering. A preform of ultra pure silica is produced, usually by chemical vapour deposition technology and by adding concentrations of dopants (germanium oxide) to obtain the required refractive index profile across the diamet ...
... Optical glass fibre production can be considered as a wonder of modern engineering. A preform of ultra pure silica is produced, usually by chemical vapour deposition technology and by adding concentrations of dopants (germanium oxide) to obtain the required refractive index profile across the diamet ...
Transmission Media
... Single mode Fiber Single-mode Fiber: Further improvements can be obtained by reducing the core diameter to that of a single wavelength (3-10 Mm). The emitted light propagates along a single (dispersionless) path. Small core allows propagation in only one mode The bit rate will be very high. ...
... Single mode Fiber Single-mode Fiber: Further improvements can be obtained by reducing the core diameter to that of a single wavelength (3-10 Mm). The emitted light propagates along a single (dispersionless) path. Small core allows propagation in only one mode The bit rate will be very high. ...
Layer 2 (LL/MAC) Performance Analysis and Improvement of
... Spatial-Reuse – the key to improve the aggregate throughput of a single-channel mesh ...
... Spatial-Reuse – the key to improve the aggregate throughput of a single-channel mesh ...
A Reliable method for Blind Channel Identification using Burst Data
... of optimal receivers in digital communication where data bursts with independent channel between them (for example due to mobility, frequency hopping, unknown source) are used and where knowing the current channel impulse response is required without wasting bandwidth by transmission of trainning se ...
... of optimal receivers in digital communication where data bursts with independent channel between them (for example due to mobility, frequency hopping, unknown source) are used and where knowing the current channel impulse response is required without wasting bandwidth by transmission of trainning se ...
Week-4 - PCT Research Group
... the ratio between two values of a physical quantity dB is negative if a signal is attenuated and positive if a signal is amplified ...
... the ratio between two values of a physical quantity dB is negative if a signal is attenuated and positive if a signal is amplified ...
Introduction to Wireless Communications & Networks
... MAC provides connectionless transfer. Generally no error control because of relatively error free. MAC protocol is to direct when they should transmit frames into shared medium. Figure 6.11 ...
... MAC provides connectionless transfer. Generally no error control because of relatively error free. MAC protocol is to direct when they should transmit frames into shared medium. Figure 6.11 ...
optical-fiber-communication-system
... the optical fibers contained inside. Each optical fiber acts as an individual channel. o ...
... the optical fibers contained inside. Each optical fiber acts as an individual channel. o ...
DAT 2166
... The output signals are measurable between the terminals P(OUTV/I 1) and M (GND1) for the channel 1, between the terminals O (OUT V/I 2) and Q (GND2) for the channel 2 as shown in the section “Output connections”. The input connections must be made as shown in the section "Input connections". The cha ...
... The output signals are measurable between the terminals P(OUTV/I 1) and M (GND1) for the channel 1, between the terminals O (OUT V/I 2) and Q (GND2) for the channel 2 as shown in the section “Output connections”. The input connections must be made as shown in the section "Input connections". The cha ...
module_33
... In asynchronous TDM, the total speed of the input lines can be greater than the capacity of the path. – In synchronous TDM, if we have n input lines, the frame contains at least n timeslots – In asynchronous TDM, if we have n input lines, the frame contains m slots, ...
... In asynchronous TDM, the total speed of the input lines can be greater than the capacity of the path. – In synchronous TDM, if we have n input lines, the frame contains at least n timeslots – In asynchronous TDM, if we have n input lines, the frame contains m slots, ...