Long Term Evolution - Gabriele Falciasecca
... The same as the closed loop with RI=1 this assumption reduces the riTx overhead. Multi User MIMO, MU-MIMO The eNodeB can Tx and Rx from more than one user by using the same time-frequency resource Need of orthogonal reference signals. BEAMFORMING The eNodeB uses the antenna beams as well as an an ...
... The same as the closed loop with RI=1 this assumption reduces the riTx overhead. Multi User MIMO, MU-MIMO The eNodeB can Tx and Rx from more than one user by using the same time-frequency resource Need of orthogonal reference signals. BEAMFORMING The eNodeB uses the antenna beams as well as an an ...
4th Edition: Chapter 1
... Physical Layer Topics • Physical limits of networks for data • Encoding data onto signals ...
... Physical Layer Topics • Physical limits of networks for data • Encoding data onto signals ...
Title: Photonic Trends in Future Networks - CzechLight
... The developments of optical transport networking have been driven by need for higher and higher capacity in the core networks, in addition to bring more flexibility and manageability to the network. Higher capacities have been achieved by DWDM technology and by using higher bit rate per channel, usi ...
... The developments of optical transport networking have been driven by need for higher and higher capacity in the core networks, in addition to bring more flexibility and manageability to the network. Higher capacities have been achieved by DWDM technology and by using higher bit rate per channel, usi ...
Watermarking with Side Information
... – Due to the noise in the channel, even the best code will have some probability of errors. – A rate is achievable if we can obtain arbitrarily low probability of errors by using codes with arbitrarily long symbol sequences and correspondingly large sets of messages. ...
... – Due to the noise in the channel, even the best code will have some probability of errors. – A rate is achievable if we can obtain arbitrarily low probability of errors by using codes with arbitrarily long symbol sequences and correspondingly large sets of messages. ...
Lecture 15: Wavelength-Division Multiplexing Components
... Telecommunication Union, a part of the United Nations located in Geneva • Central frequency is 193.1 THz, equivalent to 1552.52 nm • Frequencies for 50 GHz channel spacings are thus defined as 193.1 + 0.05n THz where n is a positive or negative integer ...
... Telecommunication Union, a part of the United Nations located in Geneva • Central frequency is 193.1 THz, equivalent to 1552.52 nm • Frequencies for 50 GHz channel spacings are thus defined as 193.1 + 0.05n THz where n is a positive or negative integer ...
Lecture 15: Passive WDM Components
... Telecommunication Union, a part of the United Nations located in Geneva • Central frequency is 193.1 THz, equivalent to 1552.52 nm • Frequencies for 50 GHz channel spacings are thus defined as 193.1 + 0.05n THz where n is a positive or negative integer ...
... Telecommunication Union, a part of the United Nations located in Geneva • Central frequency is 193.1 THz, equivalent to 1552.52 nm • Frequencies for 50 GHz channel spacings are thus defined as 193.1 + 0.05n THz where n is a positive or negative integer ...
Wide Area Networks
... Erbium Doped Fibre Amplifiers (EDFA) few m's of Erbium doped fibre & pump laser wide bandwidth (100nm), relatively flat gain 1550 'C' band, 1585 'L' band, also 'S' band Raman amplification counter-propagating pump laser Improve S/N on long-haul links Amplification introduces noise Nee ...
... Erbium Doped Fibre Amplifiers (EDFA) few m's of Erbium doped fibre & pump laser wide bandwidth (100nm), relatively flat gain 1550 'C' band, 1585 'L' band, also 'S' band Raman amplification counter-propagating pump laser Improve S/N on long-haul links Amplification introduces noise Nee ...
Allocating Dynamic Time-Spectrum Blocks in Cognitive Radio
... MAC-layer protocols for Cognitive Radio Networks: [Zhao et al, DySpan 2005], [Ma et al, DySpan 2005], etc… Regulate communication of nodes on fixed channel widths ...
... MAC-layer protocols for Cognitive Radio Networks: [Zhao et al, DySpan 2005], [Ma et al, DySpan 2005], etc… Regulate communication of nodes on fixed channel widths ...
Capacity of Multi-antenna Guassian Channels
... • Each subchannel contributes to the total capacity through log2(λiµ)+. • More power is allocated to subchannels with higher SNR. • If λiµ≥1 the subchannel provides an effective mode of transmission. • We’ve used water-filling technique based on the assumption that the transmitter has complete know ...
... • Each subchannel contributes to the total capacity through log2(λiµ)+. • More power is allocated to subchannels with higher SNR. • If λiµ≥1 the subchannel provides an effective mode of transmission. • We’ve used water-filling technique based on the assumption that the transmitter has complete know ...
BusArchitecture
... data activities, and different cases for generating the reduced voltage • Case1.optimum swings of the order of 100 to 400 mV power savings of the order of 10X • Csae 2. optimum voltage swings of 60 to 120 mV savings are limited to 3X to 8X ...
... data activities, and different cases for generating the reduced voltage • Case1.optimum swings of the order of 100 to 400 mV power savings of the order of 10X • Csae 2. optimum voltage swings of 60 to 120 mV savings are limited to 3X to 8X ...
Media Oriented Systems Transport
... the FBlocks. The communication can take place without the sender knowing the address of the receiving FBlock. This is done through so called shadows in the sending device. The transfer and addressing will be handled by the NIC. The connection will be somewhat more complicated if the system contains ...
... the FBlocks. The communication can take place without the sender knowing the address of the receiving FBlock. This is done through so called shadows in the sending device. The transfer and addressing will be handled by the NIC. The connection will be somewhat more complicated if the system contains ...
BSN-10 is an 8–channel rf generator working at pulse width
... BSN-10 is an 8–channel rf generator working at pulse width modulated (PWM). It supports ultrasound transducer at frequency from 1MHz to 10MHz with an output power up to 120watts. Each channel has its own programmable high voltage generator and delay control and so it provides a perfect solution for ...
... BSN-10 is an 8–channel rf generator working at pulse width modulated (PWM). It supports ultrasound transducer at frequency from 1MHz to 10MHz with an output power up to 120watts. Each channel has its own programmable high voltage generator and delay control and so it provides a perfect solution for ...
Seriplex
... The SERIPLEX control bus is a component-level network technology providing a fast, simple, distributed I/O system to exchange data amongcontrol or manufacturing process elements. Within each SERIPLEX controlbus device is an application-specific integrated circuit (ASIC) that enables communication be ...
... The SERIPLEX control bus is a component-level network technology providing a fast, simple, distributed I/O system to exchange data amongcontrol or manufacturing process elements. Within each SERIPLEX controlbus device is an application-specific integrated circuit (ASIC) that enables communication be ...
CPC2-CPR2 Assemblies Testing Status (about f***ing time)
... – Some noise due ADC code conversion, can be removed. – Change in noise patterns with variation of the relative chip grounds, still no signals – Still some behaviour to be understood, some explained ...
... – Some noise due ADC code conversion, can be removed. – Change in noise patterns with variation of the relative chip grounds, still no signals – Still some behaviour to be understood, some explained ...