17643336. CONTROLLING SWITCH TIMING IN TIME DIVISION DUPLEXING DEVICES simplified abstract (QUALCOMM Incorporated)

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CONTROLLING SWITCH TIMING IN TIME DIVISION DUPLEXING DEVICES

Organization Name

QUALCOMM Incorporated

Inventor(s)

Priyangshu Ghosh of Hyderabad (IN)

Raveesh Juneja of Hyderabad (IN)

Ravinder Kumar of Meham (IN)

CONTROLLING SWITCH TIMING IN TIME DIVISION DUPLEXING DEVICES - A simplified explanation of the abstract

This abstract first appeared for US patent application 17643336 titled 'CONTROLLING SWITCH TIMING IN TIME DIVISION DUPLEXING DEVICES

Simplified Explanation

The abstract describes a method of wireless communication performed by a user equipment (UE) that involves two subscriber identity modules (SIMs). One SIM is designated as the default data subscription (DDS) and the other SIM is designated as the non-default data subscription (nDDS). The method includes determining positions of uplink and downlink symbols within a slot format of the first SIM, causing a hardware switch to couple the second SIM to the antenna during a specific symbol, and performing a page decode operation by the second SIM while it is coupled to the antenna.

  • The method involves operating in a mode where one SIM is active (DDS) and the other SIM is idle (nDDS).
  • The positions of uplink and downlink symbols within a slot format of the first SIM are determined.
  • A hardware switch is used to connect the antenna to the second SIM during a specific symbol.
  • The second SIM performs a page decode operation while it is connected to the antenna.

Potential Applications

  • This method can be applied in dual-SIM smartphones or devices with multiple SIM card slots.
  • It can be used to improve the efficiency of wireless communication by allowing simultaneous operations on both SIM cards.

Problems Solved

  • The method solves the problem of efficiently utilizing multiple SIM cards in a wireless communication device.
  • It allows for seamless switching between active and idle SIM cards, improving overall performance.

Benefits

  • The method allows for better management of data subscriptions by designating one SIM as the default and the other as non-default.
  • It enables simultaneous operations on both SIM cards, improving efficiency and user experience.
  • The hardware switch feature ensures that the second SIM can perform necessary operations while connected to the antenna.


Original Abstract Submitted

A method of wireless communication performed by a user equipment (UE), the method including: operating in a mode in which a first subscriber identity module (SIM) is designated as a default data subscription (DDS) and a second SIM is designated as a non-default data subscription (nDDS), including the first SIM being active and the second SIM being idle; determining positions of uplink symbols and downlink symbols within a slot format of the first SIM; causing a hardware switch of the UE to couple the second SIM to an antenna of the UE during a first symbol that is configured as uplink or flexible; and performing a page decode operation by the second SIM while the second SIM is coupled to the antenna.

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