Indication of user equipment mobility state to enhance mobility and call performance
View Patent ↗A user equipment UE reports its mobility state in signaling for establishing, re-establishing, or re-configuring a radio connection between the UE and a network access node. In one embodiment the reported mobility state is selected from among normal; medium and high. In another embodiment the reported mobility state informs of a number of cell changes the UE has performed within a predetermined evaluation period. The UE may also include an indication whether a hysteresis period for entering into a normal mobility state is running for the UE. The network configures the UE in dependence on the reported mobility state, such as setting a parameter for measuring or reporting neighbor cells (e.g., suspend a serving cell quality threshold as a condition for measuring/reporting; limit inter-frequency and/or inter-radio access technology reporting; set a shortest measurement reporting gap; disable an event trigger; and/or set layer 3 filtering of measurement results for faster reporting).
1. An apparatus for configuring user equipment comprising:
at least one processor; and
at least one computer readable memory including computer program code;
the at least one memory and the computer program code configured with the at least one processor to cause the apparatus to perform:
determining a mobility state of a user equipment from signaling received from the user equipment for establishing, re-establishing, or re-configuring a radio connection between the user equipment and a network access node;
configuring the user equipment in dependence on the determined mobility state; and,
wherein the user equipment performs at least one of:
suspending a serving cell quality threshold as a condition for measuring or reporting neighbor cells;
limiting inter-frequency and/or inter-radio access technology reporting of neighbor cells;
setting a shortest measurement reporting gap period for reporting neighbor cells;
disabling an event trigger for reporting neighbor cells; and
setting layer 3 filtering of measurement results to enable faster reporting of neighbor cells.
2. The apparatus according to claim 1 , wherein configuring the user equipment comprises setting at least one parameter for the user equipment to measure or report neighbor cells.
3. The apparatus according to claim 1 , wherein configuring the user equipment comprises handing over the user equipment from a capacity layer of the network access node to a coverage layer having a lower frequency band and a larger cell than the capacity layer.
4. The apparatus according to claim 1 , in which the apparatus comprises the network access node.
5. A non-transient computer readable memory storing a computer program executable by a processor which, when executed by the processor, causes the performance of operations comprising:
determining a mobility state of a user equipment from signaling received from the user equipment for establishing, re-establishing, or re-configuring a radio connection between the user equipment and a network access node;
configuring the user equipment in dependence on the determined mobility state; and
wherein the configuring the user equipment comprises instructing the user equipment to perform at least one of:
suspending a serving cell quality threshold as a condition for measuring or reporting neighbor cells;
limiting at least one of inter-frequency and inter-radio access technology reporting of neighbor cells;
setting a shortest measurement reporting gap period for reporting neighbor cells;
disabling an event trigger for reporting neighbor cells; and
setting layer 3 filtering of measurement results to enable faster reporting of neighbor cells.