apt/astap/rept-19
... Figure 6.2 shows the idea of implementation of RoF-WDM PON architecture at residential area and Figure 6.3 shows the block diagram of integration radio over fiber WDM PON. From the both figures, it can be divided into 4 sections. First section is an Optical Line Terminal (OLT) which consists of a nu ...
... Figure 6.2 shows the idea of implementation of RoF-WDM PON architecture at residential area and Figure 6.3 shows the block diagram of integration radio over fiber WDM PON. From the both figures, it can be divided into 4 sections. First section is an Optical Line Terminal (OLT) which consists of a nu ...
O A
... (Horak, 2007). However, high cost and complication of installing the optical fiber contributes to not many users that apply the POF system at home or in the industries. There are a lot of applications that use optical fibers for data transmission and automobile industry for transmitting and receivin ...
... (Horak, 2007). However, high cost and complication of installing the optical fiber contributes to not many users that apply the POF system at home or in the industries. There are a lot of applications that use optical fibers for data transmission and automobile industry for transmitting and receivin ...
Soft Sensing-Based Multiple Access for Cognitive Radio Networks
... can have different access probabilities for different values of the test statistic. For instance, the access probability can be higher for the values of the test statistic further away from the decision threshold, and vice versa. Using this technique, one can significantly reduce the probability of ...
... can have different access probabilities for different values of the test statistic. For instance, the access probability can be higher for the values of the test statistic further away from the decision threshold, and vice versa. Using this technique, one can significantly reduce the probability of ...
tr-2002-70
... Knowing the indoor location of people and things is widely considered to be a key enabler of ubiquitous computing applications. These applications include locationsensitive messaging, location-based reminders, and activity inferencing. While the location of static things such as furniture, big displ ...
... Knowing the indoor location of people and things is widely considered to be a key enabler of ubiquitous computing applications. These applications include locationsensitive messaging, location-based reminders, and activity inferencing. While the location of static things such as furniture, big displ ...
comsys.ptx
... it can support greater cable lengths between network devices than twisted pair cable. The two types of coaxial cabling are thick coaxial and thin coaxial. Thin coaxial cable is also referred to as thinnet. 10Base2 refers to the specifications for thin coaxial cable carrying Ethernet signals. The 2 ...
... it can support greater cable lengths between network devices than twisted pair cable. The two types of coaxial cabling are thick coaxial and thin coaxial. Thin coaxial cable is also referred to as thinnet. 10Base2 refers to the specifications for thin coaxial cable carrying Ethernet signals. The 2 ...
3G Cellular Systems: Cdma 2000
... the mobile node is not attached to its home network, the home agent gets all the packets destined for the mobile node and arranges to deliver them to the mobile node’s current point of attachment. Whenever the mobile node moves, it registers its new care-of-address with its home network, the home ag ...
... the mobile node is not attached to its home network, the home agent gets all the packets destined for the mobile node and arranges to deliver them to the mobile node’s current point of attachment. Whenever the mobile node moves, it registers its new care-of-address with its home network, the home ag ...
1Gbps full-duplex links for ultra-dense
... wavelength of its uDWDM channel, being λRDi = λTDi ± Δλ at the ONU and λRUi = λTUi ± Δλ at the OLT. The coherent detection is highly dependent on the polarization difference between signal an LO, so we had to adequately control the polarization of the signal for our measurements, but our system is e ...
... wavelength of its uDWDM channel, being λRDi = λTDi ± Δλ at the ONU and λRUi = λTUi ± Δλ at the OLT. The coherent detection is highly dependent on the polarization difference between signal an LO, so we had to adequately control the polarization of the signal for our measurements, but our system is e ...
Introduction
... machines being controlled and monitored by the SCADA system. There are sensors for monitoring certain parameters; and actuators for controlling certain modules of the system. These instruments convert physical parameters to electrical signals (i.e., voltage or current) readable by the Remote Station ...
... machines being controlled and monitored by the SCADA system. There are sensors for monitoring certain parameters; and actuators for controlling certain modules of the system. These instruments convert physical parameters to electrical signals (i.e., voltage or current) readable by the Remote Station ...
Passive Optical Networks based on OFDM: Perspectives and Experimental Verifications
... measured BER vs. the received power into the OLT-Rx are shown in Fig. 4. With a received power of PRx=-29 dBm all signals achieve a BER of better then 10-4. The results show, that the higher frequency signals (ONU 3 and 4) have worse performance than the lower frequency signals (ONU 1 and 2) which r ...
... measured BER vs. the received power into the OLT-Rx are shown in Fig. 4. With a received power of PRx=-29 dBm all signals achieve a BER of better then 10-4. The results show, that the higher frequency signals (ONU 3 and 4) have worse performance than the lower frequency signals (ONU 1 and 2) which r ...
Murphy loves CI: Unfolding and Improving Constructive Interference
... commercially-off-the-shelf IEEE 802.15.4 hardware are designed to work with a single carrier: (a) Since sensor nodes are designed to be inexpensive, they have low accuracy crystals. Clock drifts can creep in to hamper CI. (b) Clocks on the radio are allowed to have large drifts since compensating fo ...
... commercially-off-the-shelf IEEE 802.15.4 hardware are designed to work with a single carrier: (a) Since sensor nodes are designed to be inexpensive, they have low accuracy crystals. Clock drifts can creep in to hamper CI. (b) Clocks on the radio are allowed to have large drifts since compensating fo ...
Access Point
... Spectrum. FHSS is one of two types of spread spectrum radio, the other being directsequence spread spectrum. ...
... Spectrum. FHSS is one of two types of spread spectrum radio, the other being directsequence spread spectrum. ...
Document
... •Supports theoretical data rates of upto 307 kbps, with generally experienced rates of 144 kbps • The newly introduced Q-PCH of CDMA 2000 enables the mobile to be informed about when it needs to monitor F-CCCH and the Paging Channel, thus improving on the battery life • Introduction of Radio Configu ...
... •Supports theoretical data rates of upto 307 kbps, with generally experienced rates of 144 kbps • The newly introduced Q-PCH of CDMA 2000 enables the mobile to be informed about when it needs to monitor F-CCCH and the Paging Channel, thus improving on the battery life • Introduction of Radio Configu ...
Lektion 1-Introduktion
... • 4G: Hybrid av många system? Heterogen täckning? COFDM-modulation? Dynamisk kanalallokering? 2010talet? ...
... • 4G: Hybrid av många system? Heterogen täckning? COFDM-modulation? Dynamisk kanalallokering? 2010talet? ...
Part I: Introduction
... each station assigned fixed frequency band unused transmission time in frequency bands go idle example: 6-station LAN, 1,3,4 have pkt, frequency ...
... each station assigned fixed frequency band unused transmission time in frequency bands go idle example: 6-station LAN, 1,3,4 have pkt, frequency ...
Software-Defined Transceivers in Dynamic Access - KIT
... lasers have transmitted data rates beyond 100 Gbit/s [25]. Directly modulated lasers are a standard in optical access networks and the subsequent solutions will be compared against it. An external modulator can improve the quality of the transmitted signal, Fig. 2(b). Such an external modulator can ...
... lasers have transmitted data rates beyond 100 Gbit/s [25]. Directly modulated lasers are a standard in optical access networks and the subsequent solutions will be compared against it. An external modulator can improve the quality of the transmitted signal, Fig. 2(b). Such an external modulator can ...
How to solve the communication interface bottleneck problem David Young
... A new technique, serializer/deserializer (SERDES) function, is integrated in the Gigabit (PHY) transceiver. As an alternative interface between the PHY and the Switch/MAC, the SERDES interface reduces the I/O (Input/Output) pin count from today’s implementations requiring as many as 24 pins per port ...
... A new technique, serializer/deserializer (SERDES) function, is integrated in the Gigabit (PHY) transceiver. As an alternative interface between the PHY and the Switch/MAC, the SERDES interface reduces the I/O (Input/Output) pin count from today’s implementations requiring as many as 24 pins per port ...
Primary User Protection Using MSP in Cognitive Radio Networks
... nevertheless, for large time spans, the frequency bands are not used, and they might be accessed by secondary users with an opportunistic behavior, i.e., using a free frequency band till no primary users Requests it, and jumping to a new unused frequency band as soon as a primary user intends to acc ...
... nevertheless, for large time spans, the frequency bands are not used, and they might be accessed by secondary users with an opportunistic behavior, i.e., using a free frequency band till no primary users Requests it, and jumping to a new unused frequency band as soon as a primary user intends to acc ...
Figure F: Power line communications from low voltage network into
... The method used by X-10 is based on a simple data frame with eight data bits (one byte) preceded by a predetermined start code. The complicated part of this technology was not the system of binary data, but the method in which it was transmitted from one device (the transmitter) to another device (t ...
... The method used by X-10 is based on a simple data frame with eight data bits (one byte) preceded by a predetermined start code. The complicated part of this technology was not the system of binary data, but the method in which it was transmitted from one device (the transmitter) to another device (t ...
Remotely and Locally Administrable Access Control
... all other circuits are in idle mode. Let us say a user tries to open the lock remotely using the telephone. When a call is made, a 90 V RMS AC signal is superimposed on the line. From the signal on the telephone line, DC is removed, and the AC signal is used to generate a negative edge, which tr ...
... all other circuits are in idle mode. Let us say a user tries to open the lock remotely using the telephone. When a call is made, a 90 V RMS AC signal is superimposed on the line. From the signal on the telephone line, DC is removed, and the AC signal is used to generate a negative edge, which tr ...
Initial ranging scheme based on interpolated Zadoff-Chu sequences for OFDMA-PON Ali Razmtouz,
... This idea utilizes another unique property of CAZAC sequences mentioned by Chu in [13]. He proved that certain linear phase shift when introduced into the sequence will not affect its correlation properties. The special structure of CAZAC sequences which produce sharp peaks at the correlation output ...
... This idea utilizes another unique property of CAZAC sequences mentioned by Chu in [13]. He proved that certain linear phase shift when introduced into the sequence will not affect its correlation properties. The special structure of CAZAC sequences which produce sharp peaks at the correlation output ...
Fundamentals of LTE - 教育部行動寬頻尖端技術跨校教學聯盟:行動
... each eNodeB to determine the eNodeB with the best downlink gains – A LTE signal can be centered around multiple carrier frequencies – In LTE, a UE measures RSSI (Received Signal Strength Indicator), RSRP (Reference Signal Received Power) and RSRQ (Reference Signal Received Quality) ...
... each eNodeB to determine the eNodeB with the best downlink gains – A LTE signal can be centered around multiple carrier frequencies – In LTE, a UE measures RSSI (Received Signal Strength Indicator), RSRP (Reference Signal Received Power) and RSRQ (Reference Signal Received Quality) ...
Periodic signal - Kean University
... Transmission media may be classified as guided or unguided. ...
... Transmission media may be classified as guided or unguided. ...
Chapter 6 Lecture Slides
... CSMA/CA: Carrier-Sense Multiple Access (i.e., Wi-Fi) (will be discussed later) ...
... CSMA/CA: Carrier-Sense Multiple Access (i.e., Wi-Fi) (will be discussed later) ...