The exemplary embodiments describe devices, systems and methods for adaptive uplink (UL) timing adjustment for beam switching. A user equipment (UE) may perform a beam switch from a first beam to a second beam, determine a timing offset associated with the second beam and apply an uplink (...
To provide a wireless communications system that may improve UE discovery latency by dynamically selecting and switching beam forming codebooks at a millim... B Yin,S Abu-Surra,G Xu,... 被引量: 0发表: 2019年 Millimeter wave beamforming receivers using a Si-based OBFN for 5G wireless commu...
The proposed beam-switching antenna array supported WiMAX applications. The beam-forming network is fabricated and measured. The measured results of the fabricated antenna have a good agreement with simulated ones. Introduction Considering the great advancements achieved in modern communication systems, ...
Finding the optimal beam pair and update time in 5G systems operating at mmWave frequencies is time-intensive and resource-demanding. This intricate procedure calls for the proposal of more intelligent approaches. Therefore, this work proposes a machine
Yes, we provide api that can be used in the Linux environment and easy to integrate with OAI project. What's the beam switching speed ? 2ms if using LAN as control interface, however it's achievable if using SPI interface with different control host such as FPGA. Can BBox™ perform ...
To the best of authors' knowledge, this is the first demonstration of a high-speed switching SSA-BF receiver in a fiber-wireless integrated radio access as a true enabler for mm-Wave mobile fronthaul applications. 展开 关键词: Array signal processing Optical fiber networks Receivers 5G mobile ...
The designed Field Programmable Gate Array (FPGA) can assign a code sequence of 0 or 1 to the metasurface antenna in real-time to generate multi-mode OAM beams. Hence, a dynamical surface is obtained by switching PIN diodes to change the phase distribution on the surface. To verify the ...
In one implementation, least one frame structure for both uplink (UL) and downlink (DL) beam switching is provided. The UL beam switching and refinement may rely on 5G Physical Random Access Channel (xPRACH) or 5G Sounding Reference Signal (xSRS). The DL beam switching and refinement may ...
In a 5G millimeter wave system, beam misalignment between a gNB and an UE may occur due to sudden fluctuations in the channel, user rotation, and so on. Th... G Cheng,X Zhu,C Liu - 《Application of Electronic Technique》 被引量: 0发表: 2018年 Recovery and switching missing longitudinal...
in accordance with a configured beam alignment; determining whether to initiate beam switching to reconfigure the beam alignment at said receiver based, at least in part, on a signal power of the received downlink reference signal; and determining, in the event that beam switching is to be ...