Topic - 6G

6G WIRELESS SYSTEM
From past few decades there has been vast advancement in wireless communication starting from 1G further achieving 2G,3G,4G and now extended upto 5G,6G.In this report different scenarios for 6G wireless communication are discussed. This work aims to study 6G technology,to identify technologies used to build up this 6G,to identify services offered and challenges faced while coming up with this new generation. Also, mobile genrations from 1G to 5G are discussed which shows how each generation is differed from other generation which further states how 6G differs from previous generations.
GENRATION TECHNOLOGY
The first generation i.e. 1G is based on an analog technology. It was based on Advanced Mobile Phone System which is used for voice services.
The second generation, 2G, based on digital technology. In 2G digital signals are used for voice communiction. 2G was introduced in late 1980s and had a speed of 64kbps.
In third generation, 3G, data rates are increased from 144kbps to384kbp covering the large area. Also, 3G enables featurs such as email, web search, google maps, access to video and other data usage.
The fourth generation, 4G, was IP based network system.This was introduced in late 2000s. 4G offered following advantages and usage:
· High data rate and quality
· High security
· Cost efficient voice and data services
· Internet services
The fifth generation, 5G, would be supported by LAS-CDMA, OFDM, MC-CDMA, UWB, Network-LMDS, IPv6. 5G can be called as the perfect real wireless world as it has no limitations.
Table 1 shows the comaparison of all the wireless communication genarations from 1G to 6G.
Table 1: Mobile Generation Comparison
RELATED WORK
From recent years, researchers started to focus on the concept of 6G and its services. M. Katz, P. Pirinen and H. Posti, explored the idea next decade i.e. for 6G[1]. L. U. Khan, I. Yaqoob, M. Imran, Z. Han and C. S. Hong, proposed the architectural elements[2].F. Tariq, M. R. A. Khandaker, K. Wong, M. A. Imran, M. Bennis and M. De
ah, worked on overall 6G system[3]. M. Z. Chowdhury, M. Shahjalal, S. Ahmed and Y. M. Jang, focused on the applications, challenges and future work [4]. G. Gui, M. Liu, F. Tang, N. Kato and F. Adachi, explored challenges[5].
In this report concepts introduced by above scholars have been discussed.
STATE-OF-THE-ART
A. TOWARDS 6G
The development of 5G technology is in its final stage, hence, now, different researchers stared working towards next generation. The network beyond 5G will be 6G. There is a possibility that coming 10 years...