Method for co-ordination of paging in a user equipment
AssigneeThales Dis France SAS
InventorsVolker Breuer, Ly-Thanh Phan, Benoît Jouffrey
Life of this patent
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Abstract
Provided is a method to operate a user equipment communicatively connected to at least two subscriber identity modules, which are at least assigned to a first and a cellular network, wherein the user equipment has assigned an independent paging identity in each of the first and second cellular networks for registration in said cellular networks. Other embodiments disclosed.
Claims16
A method to operate a user equipment communicatively connected to at least two subscriber identity modules, which are at least assigned to a first and a cellular network, wherein the user equipment has assigned an independent paging identity in each of the first and second cellular networks for registration in said cellular networks,
- the user equipment further being assigned to at least two paging groups, each of said paging group considering one of the at least two paging identities of the user equipment in said cellular networks, the method comprises the steps of:
- determining a paging timing for the user equipment for at least one of said cellular networks based on the respective paging groups,
- determining a value relating to a time difference between the first and second cellular network,
- informing the first of the at least two cellular networks about the paging identity used in the second cellular network and the value relating to the time difference between said cellular networks,
- retrieving an indication from said first cellular network relating to assignment to a paging group.
A user equipment communicatively connected to at least two subscriber identity modules provided by at least two different cellular networks,
- after being assigned a paging identity in each of the at least two cellular networks, after registration in at least two of the group of cellular networks, comprising being assigned to a paging group by at least one of the at least two cellular networks,
- the user equipment is configured to:
- determine paging timing from the at least two cellular networks based on the respective paging groups, considering the paging identity of the user equipment in said cellular network,
- determine a value relating to a time difference between the determined paging timings for the first and second cellular network,
- inform a first of the at least two cellular networks about the paging identity used in the second cellular network and the value relating to the time difference between said cellular networks,
- retrieve an indication from said first cellular network relating to assignment to a paging group.
A method for a cellular network capable of operating a plurality of user equipments (1), the method comprising the steps of:
- receiving from one of the user equipment an indication relating to paging timing difference to a second cellular network,
- in case of overlapping paging:
- determining a paging group having a timing offset to the currently assigned paging group,
- sending a message to said user equipment indicating an information indicative of said determined paging group.
Dependencies are inferred from the claim text.