Methods and Apparatuses for Determining Unsynchronised Or Synchronised Dual Connectivity Mode Of A User Equipment
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsImadur Rahman, Muhammad Kazmi, Iana Siomina
Life of this patent
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Abstract
There is disclosed a method for operating a network node in a cellular communication network. The method comprises observing or estimating, for a user equipment in a dual connectivity operation, a length of a measurement gap (Mg) and/or length of serving cell interruption (Tint) caused by the UE on at least one serving cell. The method also comprises comparing the Mg and/or Tint with respective thresholds, and determining whether the UE operates in unsynchronized or synchronized DC mode based on the comparison. There are also disclosed further related methods and devices.
Claims7
1-6. (canceled)
A method for operating a network node in a cellular communication network, the method comprising:
- observing or estimating, for a user equipment (UE) in a dual connectivity (DC) operation, a length of a measurement gap (Mg) and/or a length of a serving cell interruption (Tint) caused by the UE on at least one serving cell;
- comparing the Mg and/or the Tint with a respective threshold;
- and
- determining whether the UE operates in unsynchronized or synchronized DC mode based on the comparison.
A network node configured for a cellular communication network, the network node comprising:
- radio circuitry configured for communicating with a user equipment (UE);
- and
- control circuitry operatively associated with the radio circuity and configured to:
- observe or estimate, for the UE in a dual connectivity (DC) operation, a length of a measurement gap (Mg) and/or a length of a serving cell interruption (Tint) caused by the UE on at least one serving cell;
- compare the Mg and/or the Tint with a respective threshold;
- and
- determine whether the UE operates in unsynchronized or synchronized DC mode based on the comparison.
A method for operating a user equipment (UE) in dual connectivity (DC) operation in a cellular communication network, the method comprising:
- estimating a maximum received time difference (MRTD) of signals from subframe boundaries of a Master Cell Group (MCG) and a Secondary Cell Group (SCG) at the UE;
- comparing the MRTD with a threshold;
- and
- determining whether the UE operates in unsynchronized or synchronized DC mode based on the comparison.
A user equipment (UE) configured for dual connectivity (DC) operation in a cellular communication network, the UE comprising:
- radio circuitry configured for communicating with network nodes in the cellular communication network;
- and
- control circuitry operatively associated with the radio circuity and configured to:
- estimate a maximum received time difference (MRTD) of signals from subframe boundaries of a Master Cell Group (MCG) and a Secondary Cell Group (SCG) at the UE;
- compare the MRTD with a threshold;
- and
- determine whether the UE operates in unsynchronized or synchronized DC mode based on the comparison.
A non-transitory computer readable medium storing a computer program comprising code executable by control circuitry of a network node in a cellular communication network, the code causing the control circuitry to:
- observe or estimate, for a user equipment (UE) in a dual connectivity (DC) operation, a length of a measurement gap (Mg) and/or a length of a serving cell interruption (Tint) caused by the UE on at least one serving cell;
- compare the Mg and/or the Tint with a respective threshold;
- and
- determine whether the UE operates in unsynchronized or synchronized DC mode based on the comparison.
A non-transitory computer readable medium storing a computer program comprising code executable by control circuitry of a user equipment (UE) configured for dual connectivity (DC) operation in a cellular communication network, the code causing the control circuitry to:
- estimate a maximum received time difference (MRTD) of signals from subframe boundaries of a Master Cell Group (MCG) and a Secondary Cell Group (SCG) at the UE;
- compare the MRTD with a threshold;
- and
- determine whether the UE operates in unsynchronized or synchronized DC mode based on the comparison.
Dependencies are inferred from the claim text.