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Communication device and method for low-latency initial access to non-standalone 5G new radio network

專利號
US10834724B1
公開日期
2020-11-10
申請人
Movandi Corporation(US CA Newport Beach)
發(fā)明人
Ahmadreza Rofougaran; Maryam Rofougaran; Sam Gharavi
IPC分類
H04W72/04; H04W56/00; H04B17/318; H04W84/04
技術(shù)領(lǐng)域
cpe,nr,ssb,pss,104b,5g,104a,ue,rf,beam
地域: CA CA Newport Beach

摘要

A communication device initiates beam acquisition in a receive-only mode. Beam reception is set to an omni mode in which different beams of RF signals are receivable at the communication device from different directions. A primary signal synchronization (PSS) search is executed from each signal synchronization block location based on control information acquired directly from a first base station over a long-term evolution (LTE) control plane link or from a customer premise equipment (CPE) or user equipment (UE) that is in a radio resource control (RRC) connected state. The communication of the beam of RF signals that has highest received signal strength is activated in a new radio (NR) frequency to the UE or the CPE based on at least a PSS detected in the PSS search, for low-latency non-standalone access to the beam of RF signals in NR frequency at the UE or the CPE.

說明書

The communication device 102 may be a NR-enabled relay node or a NR-enabled repeater device. The NR-enabled relay node or the NR-enabled repeater device may support an evolved-universal terrestrial radio access (E-UTRA)-NR dual connectivity (EN-DC) (also referred to as LTE/NR dual connectivity. In accordance with an embodiment, the communication device 102 may support multiple and a wide range of frequency spectrum, such as 3G, 4G, or 5G NR. For 5G NR, there may be two NR frequency Ranges (frequency range 1 and 2) that may be utilized for practical implementations. Frequency range 1 may overlap and extend 4G LTE frequencies, operating from 450 MHz to 6,000 MHz, which is also commonly referred to as NR or sub-6 gigahertz (GHz). Frequency range 2 operates at a much higher about 24 GHz to 52 GHz, which is commonly also referred to as millimeter wave (mmWave), although ‘millimeter’ frequency length typically begins at 30 GHz.

The communication device 102 may comprise suitable logic, circuitry, and interfaces that may be configured to facilitate communication between the CPE 104A (or the UE 104B) and at least the second base station 108. In certain scenarios, the communication device 102 may be positioned in a vicinity of a signal-obstructing physical object, which may partially block the path of the input RF signals from the first base station 106 or the second base station 108. The communication device 102 may be realized by various components, such as transmitter front-ends, receiver front-ends, a digital signal processor, a plurality of low-noise amplifiers, a plurality of phase shifters, a plurality of power combiners, a plurality of power dividers, and a plurality of power amplifiers, logical control units, 4G and/or 5G modems, phased lock loop (PLL) circuits, and mixers.

權(quán)利要求

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