A Two-Way Network Beamforming Approach Based on Total Power Minimization With Symmetric Relay Beamforming Matrices

A reduced hardware complexity algorithm with improved outage probability for 5G communication system

“…Dang et al (2020) gives a trade-off between outage probability and power allocation using a hybrid AF and DF relaying scheme on the basis of a given signal-to-interference-plus-noise ratio (SINR) at the relay. In order to enable secure transmission in cooperative relaying environment, beamforming is introduced in TWRN (Rahimi and Shahbazpanahi, 2017;Tian et al, 2020;Li and Yang, 2020;Shim et al, 2016;Zhang et al, 2016). Beamforming is applied at the multi-antenna node with instantaneous channel condition being used as a weight matrix for signals from multiple antennas.…”

“…Beamforming is applied at the multi-antenna node with instantaneous channel condition being used as a weight matrix for signals from multiple antennas. Rahimi and Shahbazpanahi (2017) introduces beamforming approach in the performance evaluation of TWRN in terms of minimum total power while Tian et al (2020) proposes a design for joint beamforming and relay selection with energy transfer. In Li and Yang (2020), the relay is equipped with multiple antennas and the beamforming matrix is optimised in order to increase the sum rate performance of a TWRN.…”

International Journal of Electronics and Telecommunications

“…To meet the effectiveness of the 5G system-wide research activities such as Relay beam forming is used, in this the computationally algorithm is used which reduces the power in the 2D-search network of the transceivers transmit powers and semi-definite programming [6], Experimental inspection of NOMA as multi-user power allocation signaling overhead. In this adaptive modulation coding and frequency, domain scheduling is used which gives more than 30% higher in NOMA when compared to the OMA scheme [7], millimeterwave multi-beam MIMO and tapered slot antenna give the good beam forming concert by the element spacing can be easily meet the requirements of half-wavelength in the H-plane [8], multiple inputs and multiple-outputs [9], reference signal received power and cell range expansion are used are introduced to avoid the imbalance between macrocells and pico cells [10], and to improve energy efficiency and the capacity to demand heterogeneous networks, the active or sleep for the base stations was designed [11].…”