What are 4G features?
The 4g wireless uses Orthogonal Frequency Division Multiplexing (OFDM), Ultra Wide Radio Band (UWB), and Millimeter wireless and smart antenna. Data rate of 20mbps is employed. Mobile speed will be up to 200km/hr. Frequency band is 2 ]8 GHz.
What are the challenges for 4G?
So we should estimate and solve the different security threats of 4G networks like IP spoofing, User ID theft, Denial of service, Intrusion attacks which may cause loss of information or leakage of information which is considered as great threat for the users.
What techniques use 4G?
2G and 3G systems used TDMA, FDMA and CDMA as channel access schemes. However, 4G uses OFDMA and other new technologies (Single Carrier FDMA, Interleaved FDMA, and Multi-carrier CDMA) instead of CDMA, which is used by all 3-G systems.
What is 4G technology and its applications?
4G is the short name for fourth-generation wireless, the stage of broadband mobile communications. 4G technology provides very speedy wireless internet access to not only stationary users but also to the mobile users. This technology has trounced the deficiencies of 3G technology in terms of speed and quality.
What are the goals of 4G systems?
4G is all about an integrated, global network that’s based on an open system approach. The goal of 4G is to replace the current proliferation of core cellular networks with a single worldwide cellular core network standard based on IP for control, video, packet data and VoIP.
What are the challenges with mobile IP with respect to high speed mobility?
THE ISSUES WITH MOBILE IP
- • Denial Of Service Attacks The Denial of Service.
- Attacks can be caused when an attacker sends a.
- • Theft of Information Passive Eavesdropping, an.
- unauthorized person will inevitably gain wired.
- • Insider Attack This usually involve a disgruntled.
- employee gaining access to sensitive data and.
What format is 4G?
LTE uses OFDM as the basic signal format – OFDMA in the downlink and SC-FDMA in the uplink with various modulation formats. OFDM forms the basic signal format used within 4G LTE.
What do you mean by 4G wireless technology?
What is 4G? Abbreviation of fourth generation wireless technology It will provide a comprehensive IP solution wherevoice , data and multimedia can be given to user on an“anytime , anywhere” basis. It includes several types of broadband wirelesscommunication system access including cellular telephone system. 3. History of 4G technology 4.
What are the components of a 4G network?
4G architecture contains following components RAN, GWY, and PTSN and legacy cellular. The network of 4G contains base station, RNC, and access GWY. a.) High speed internet, high capacity, and lower in cost.
Which is the best topic for a 5 minute presentation?
5 Minute Presentation Topics 1 Future of Communication 2 Time is Money 3 7 Wonders of the world 4 How to win friends easily 5 Data is the new oil 6 Love Vs. Attachment 7 Importance of Silence 8 Power of Meditation 9 Health is Wealth 10 A World Without Weapon
What are some good topics for a presentation?
For example, a flowchart data widget can help with a historic timeline presentation. But first, let’s dive into the topic ideas. Scroll down to view all topics or navigate by subject using the table of contents below. What are the different stances on immigration in the US?