Page 1 of 4 - About 34 Essays
  • Advantages And Disadvantages Of Code-Division Multiple Access (CDMA)

    Code-division multiple access (CDMA) Discussion of CDMA Code-division multiple access (CDMA) is a multiple access method used by different types of radio communication technologies. Direct-sequence spread spectrum signals uses CDMA which allow more than one user to share a channel. CDMA is a form of multiplexing which allows many signals to occupy a transmission channel and optimizing the use of available bandwidth. Therefore, the receiver separates the signals from the users by cross correlation of the received signal with each of the user unique code sequences. If the code sequence is designed to have a small cross correlation, it can minimize the crosstalk inherent. There is a spreading signal in code-division multiple access (CDMA) systems…

    Words: 1451 - Pages: 6
  • Nt1310 Unit 2 Bsk System

    2. QPSK: When a data is transmitted using BPSK technique the channel bandwidth required is 2fb. The QPSK technique reduces that bandwidth to fb. It is a multilevel phase modulation. In this two successive bits in a bit stream are combined together to form a message and each message is represented by distinct value of phase shift of a carrier. The QPSK signal is represented as. Since there are 4 phases it is called as 4-PSK or Quadrature PSK systems [6][7]. 3. QAM: QAM improves the noise…

    Words: 683 - Pages: 3
  • Negative Effects Of Multitasking

    that is producing some promising results called multiplexing. Multiplexing is based on the idea that if two or more streams of information have enough similarities then they can be processed simultaneously with little to no lost efficiency. The lost efficiency often mentioned when switching tasks is what has been labeled in this instance, as cross-talk. “Cross-talk arises when two (or more) tasks make simultaneous demands on the same processing or representational apparatus” (Feng). For…

    Words: 1122 - Pages: 5
  • Essay On Advantages And Disadvantages Of OFDM

    2 OFDM SYSTEM:- OFDM system is divided into three parts 1. multi carrier modulation 2. frequency division multiplexing 3. Orthogonal frequency division multiplexing. 1.Frequency division multiplexing:- Frequency Division Multiplexing is a form of signal multiplexing which involves assigning non – overlapping frequency ranges or channels to different signals or to each user of a medium. A gap is left between each of these channels to ensure that the signal of one channel does not overlap with…

    Words: 1529 - Pages: 7
  • Nt1310 Unit 6 Reaction Paper

    1. What file transfer protocols would you recommend? Be prepared to support your recommendations. The Data Link Layer allows various protocols to transmit data between nodes in a network. This layer involves framing of data, synchronization of nodes and multiplexing of nodes. The Transfer Control Protocol (TCP) and High-Level Data Link Control (HDLC) ensure the reliability of data. They ensure that data transfers from one node to the other without any error. Moreover, the data is transferred…

    Words: 380 - Pages: 2
  • Flow Control Vs. Congestion Control In Computer Networks: Questions And Analysis

    shake? In a Network, a 3 way handshake is a method used to create a connection between a local host or client and a server. Basically requires three steps from both the client and the server to exchange SYN and ACK packets before any communications begins. First the client sends a SYN packet asking the server if is open for a new connection, then the server responds with a confirmation packet or SYN/ACK, to what the client responds with an ACK packet and the connection is established. 3 way hand…

    Words: 1130 - Pages: 5
  • Multitasking Effects On The Brain: Annotated Bibliography Essay

    the limits of the human brain. Several studies are completed, all of which display enough information to prove their theory is on the right track: the brain can be trained to multitask more efficiently. Some of the evidences that display these finding includes the results of various brain studies both before and after training. A significant increase in ability to process multiple streams of information is evident in those who underwent the preparatory training. *Feng, S., et al. "Multitasking…

    Words: 1348 - Pages: 5
  • What Are The Dangers Of Texting While Driving

    Texting while driving is dangerous and a potentially fatal behavior among the populace of college students with the influence one’s social network and how one identifies their significant other in that network being uniquely associated with this behavior. This study provided backing for the hypothesis that drivers who report texting and driving are more likely than drivers who report they do not text and drive to have others in their social network that hold comparable notions. Texting drivers…

    Words: 751 - Pages: 4
  • Nt1310 Unit 7 Exercise 1 Solutions Essay

    4. This layer divide the data into segments and also ensures that data must be received in the same sequence in which it was sent. The protocols that are used are TCP and UDP. The data link layer is responsible for encapsulation of packets into frames and then transferring them to the physical layer. It is also responsible for flow control and addressing. 5. A three-way handshake is when two parties need to synchronize their segment sequence numbers used during their transmission. A three way…

    Words: 617 - Pages: 3
  • Questions On Filters

    It’s more proficient than standard adequacy balance. Regarding both radio range and the force expended, it was the much compelling one. Question (3) The Multiplexing is a strategy that permits the synchronous transmissions of signs over a solitary information join. In this framework, "n" connections were shared the single transmission capacity join. In this sender is the multiplexer (MUX) and collector is the de-multiplexer (DEMUX). The Multiplexer is numerous to one and De-multiplexer is one…

    Words: 756 - Pages: 4
  • Previous
    Page 1 2 3 4

Related Topics:

Popular Topics: