18351016. SYSTEMS AND METHODS FOR ENHANCED POWER CONTROL UNDER POOR CHANNEL CONDITIONS simplified abstract (Apple Inc.)

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SYSTEMS AND METHODS FOR ENHANCED POWER CONTROL UNDER POOR CHANNEL CONDITIONS

Organization Name

Apple Inc.

Inventor(s)

Lijie Zhang of Beijing (CN)

Zhiwei Wang of Beijing (CN)

Lakshmi N. Kavuri of San Jose CA (US)

SYSTEMS AND METHODS FOR ENHANCED POWER CONTROL UNDER POOR CHANNEL CONDITIONS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18351016 titled 'SYSTEMS AND METHODS FOR ENHANCED POWER CONTROL UNDER POOR CHANNEL CONDITIONS

Simplified Explanation

The patent application discusses systems and methods for enhanced power control at a user equipment (UE) under poor channel conditions with respect to antenna transmit diversity (ATD) mechanisms.

  • A UE may reset a transmit power control (TPC) power adjustment value when an ATD antenna switch of the ATD mechanism is performed.
  • A UE may reduce the value of an ATD hysteresis timer when a change in reference signal receive power (RSRP) on a monitored reference signal exceeds a threshold.
  • A UE may scale a filtering coefficient of a pathloss calculation mechanism when a change in RSRP on a monitored reference signal exceeds a threshold.

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      1. Potential Applications

1. Mobile communication systems 2. Wireless networks 3. IoT devices

      1. Problems Solved

1. Enhanced power control in poor channel conditions 2. Optimization of transmit power in ATD mechanisms 3. Efficient pathloss calculation based on RSRP changes

      1. Benefits

1. Improved signal quality in challenging environments 2. Enhanced performance of UE under varying channel conditions 3. Increased reliability and stability of wireless communication systems


Original Abstract Submitted

Systems and methods for enhanced power control at a user equipment (UE) under poor channel conditions respective to antenna transmit diversity (ATD) mechanisms are discussed herein. In some embodiments, a UE may reset a transmit power control (TPC) power adjustment value when an ATD antenna switch of the ATD mechanism is performed. In some embodiments, a UE may reduce the value of an ATD hysteresis timer upon determining that a reference signal receive power (RSRP) change on a monitored reference signal that drives a pathloss calculation at the UE exceeds a threshold. In some embodiments, a UE may scale a filtering coefficient of a pathloss calculation mechanism upon determining that an RSRP change on a monitored reference signal that drives a pathloss calculation at the UE exceeds a threshold.

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