# 6G Mobile Networks: Key Technologies, Directions, and Advances
## 4 6G Technologies
### Channel Coding for the Next Generation  
With an information throughput of 100 Gbps, a THz band that is advanced above the 275 GHz band, and GHz-wide channels capacity, the 6G technology will create a full-region perfect network platform. This creates additional difficulties for basic modulation and channel coding techniques. Channel coding for the next generation. The latest generation of channel rendering technology, which serves as the basis for wireless network communication, could improve the output of 6G networks to Tb/s. The representation of the being stoner channel may be improved based on the complexity of the obstruction, taking into account the features of how information is transmitted multiuser/more-complex scripts in 6G architecture [12]. Communication technology's primary objective is to transmit individual signals regardless of their complexity. The square surge aligned with the Sinc function is crucial for conveying sign information. In environments with multiple paths and frequencies, wireless signals must combat interference and swiftly transmit data. Dynamic spectrum allocation, like OFDM, is widely used in wireless communication for multipath utilization. However, OFDM's orthogonality hampers addressing [PERSON]'s proposal limitations in mobile communication. OFDM's square surge has challenges like long side waves and susceptibility to baseband shifts, hindering baseline frequency control and carrier synchronization. Consequently, OFDM struggles to adapt to the forthcoming mobile transmission phase [12]. In [48], the benefits of using a system called Orthogonal Frequency Division multiplexing to overcome the adverse goods of severe multipath propagation, similar to what occurs in the mobile event is explained. The signal is demodulated with the aid of a Fast Fourier Transform fashion. Consideration is given to the digital rendering arrangement, and it's concluded that a consecution of a convolutional law and a Reed-Solomon law gives excellent results. The feasibility of enforcing such a system for domestic requests is compactly bandied. Associated with an applicable interleaving system, the convolutional canons guarantee in this environment excellent performance for a reasonable decoding complexity (64-state Viterbi decoder, in the exemplifications chosen). Consecution with a Reed-Solomon law improves the performance yet further. Nonetheless, the complexity of enforcing the decoding of Reed-Solomon canons leads us to reject this result. We propose to use CSRS canons, which have similar parcels while offering a lesser decoding simplicity. The principles of modulation and channel rendering explained above permit the description of a digital sound broadcasting system having a performance with respect to Eb/ N0 and spectral effectiveness close to the Shannon limit. Analysis of the complexity of the demodulation and associated decoding functions leads to the conclusion that the corresponding receivers in a domestic mass-product environment are doable. In [3], the proposed DSCM system is intended to be decoded combined with the Variable Length Law (VLC), two coded modulation schemes, and fundamental principles. The source knots encode the original signals with a sequential concatenated VLC and a Turbo Trellis Coded Modulation (TTCM) scheme. The decrypted TTCM-VLC codes are transmitted to the recipient knot and a relay knot during the initial transmission process. The relay knot estimates the decoded bit sequence using a critical iterative TTCM-VLC decoder. This decoded bit stream is assure encoded with the use of a simple Trellis Coded Modulation (TCM) method before being sent to the destination knot. A new four-element iterative decoding arrangement is used at the destination knot to retrieve the original source symbols. The DSCM scheme is proven to perform noticeably better than the TTCM-VLC benchmarked method allocated with relaying. The serially concatenated TTCM-VLC is a source-coding, channel-coding, and modulation method that is jointly optimised.