n263 UE Transmission Power Standard for FR2-2 RF Coverage
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Solution Overview
Problem
There is a need for defining RF performance standards for handheld UEs supporting the FR2-2 band, as the number of array antennas and RF element characteristics differ from those in the FR2-1 band, which is essential for ensuring reliable communication in the 3GPP LTE and NR systems.
Innovation Solution
Proposing a standard specification for handheld UEs supporting the n263 band to guarantee communication between the network and the UE, addressing the unique RF performance requirements of the FR2-2 band.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If RF performance standards for FR2-2 band are defined, then communication reliability is improved, but device complexity increases due to different number of array antennas and RF element characteristics
Solution Approach 1:
The patent applies parameter changes by establishing specific RF performance parameters for FR2-2 band handheld UEs, including power spectral density limits, maximum EIRP values, and transmission power constraints. These standardized parameters enable reliable communication while providing clear design guidelines that prevent excessive device complexity.
2Adaptability or versatility
If handheld UE supporting FR2-2 band is developed, then service availability is improved, but manufacturing precision requirements increase due to unique RF performance requirements
Solution Approach 1:
The patent defines specific transmission power parameters and EIRP limits for FR2-2 band handheld UEs, providing clear manufacturing targets that balance service availability with manufacturability. The standardized parameters include power spectral density constraints and maximum EIRP values that guide precise manufacturing.
Data Source
AI summary
One disclosure of the present specification provides a method for performing communication by a user equipment (UE). The method comprises the steps of: determining transmission power; transmitting uplink signal via n263 frequency band, based on the transmission power, wherein the UE is power class 3 UE, wherein the transmission power is determined based on i) minimum peak EIRP (Effective Isotropic Radiated Power) of the UE and ii) EIRP related to spherical coverage.