Abstract:
Methods, systems, and devices for wireless communications are described. In some aspects, a user equipment (UE) may be configured with multiple bandwidth parts (BWPs) and may support multiple subscriber identification modules (SIMs) (e.g., may operate in a multi-SIM (MSIM) mode). The UE may tune away from a default data SIM (DDS) subscription for a tune away gap and may miss any downlink signaling, such as an indication of a BWP switch, for a duration of the tune away. To avoid latency resulting from such missed downlink signaling, the UE may support a mechanism according to which the UE may autonomously switch to a different BWP despite a missed command from a network entity. Such a mechanism may include transmission of a scheduling request (SR) on each of multiple BWPs configured for the UE and monitoring each of the multiple BWPs for signaling responsive to the SR.
Abstract:
A method for performing manual public land mobile network (PLMN) search includes: receiving a command to perform manual PLMN search on an inactive subscription associated with a first subscriber identity module (SIM) of a communication device; determining if a data connection is enabled on an active subscription associated with a second SIM of the communication device; and if the data connection is not enabled on the active subscription, performing the manual PLMN search on the inactive subscription by tuning away from the active subscription to identify available operators associated with the first SIM.
Abstract:
Various aspects of the present disclosure generally relate to wireless communication. In one aspect, a method of wireless communication performed by a user equipment (UE) includes: monitoring, on a non-dedicated data subscription (n-DDS) of the UE, for one or more first paging messages based on a first paging configuration; receiving, from a base station (BS) on a dedicated data subscription (DDS) of the UE, system information indicating a second paging configuration; and transmitting, to the BS on the DDS, a registration update request based on the first paging configuration and the second paging configuration; receiving, from the BS based on the registration update request, a registration update; and monitoring, on the DDS of the UE, for one or more second paging messages based on a third paging configuration different from the second paging configuration, wherein the third paging configuration is based on the registration update.
Abstract:
Methods and devices are disclosed for enabling efficient service acquisition on multiple SIMs of a multi-SIM wireless communication device. After both SIMs have lost service, or after initial power up of the wireless device, the wireless device may detect radio frequency channels associated with wireless networks of all SIMs, and determine whether the strongest received radio frequency channel matches a preferred network of any SIM. Upon detecting a match, the wireless device may awaken that SIM and automatically camp that SIM on cell of the matched radio frequency channel. In this manner, the wireless device may avoid repetition typically involved in acquiring service on multiple SIMs.
Abstract:
Methods, systems, and devices for wireless communications are described. In some aspects, a user equipment (UE) may be configured with multiple bandwidth parts (BWPs) and may support multiple subscriber identification modules (SIMs) (e.g., may operate in a multi-SIM (MSIM) mode). The UE may tune away from a default data SIM (DDS) subscription for a tune away gap and may miss any downlink signaling, such as an indication of a BWP switch, for a duration of the tune away. To avoid latency resulting from such missed downlink signaling, the UE may support a mechanism according to which the UE may autonomously switch to a different BWP despite a missed command from a network entity. Such a mechanism may include transmission of a scheduling request (SR) on each of multiple BWPs configured for the UE and monitoring each of the multiple BWPs for signaling responsive to the SR.
Abstract:
Methods and devices for controlling recovery from an out-of-service state on a multi-SIM wireless device that has at least two subscription identification modules (SIMs), and that determines whether a voice call or an active data communication session was dropped upon losing service, and prioritizes service recovery on the modem stack associated with the dropped voice call or active communication session. If neither a voice or data call was dropped upon losing service on both SIMs, the multi-SIM wireless device may calculate a priority value for each of the first and second SIMs, calculate an RF resource allocation percentage for each of the first and second SIMs, and grant use of the RF resource to the modem stacks associated with the first and second SIMs based on the calculated RF resource allocation percentages.
Abstract:
Methods and devices are disclosed for enabling efficient service acquisition on multiple SIMs of a multi-SIM wireless communication device. After both SIMs have lost service, or after initial power up of the wireless device, the wireless device may detect radio frequency channels associated with wireless networks of all SIMs, and determine whether the strongest received radio frequency channel matches a preferred network of any SIM. Upon detecting a match, the wireless device may awaken that SIM and automatically camp that SIM on cell of the matched radio frequency channel. In this manner, the wireless device may avoid repetition typically involved in acquiring service on multiple SIMs.
Abstract:
A method of wireless communication by a user equipment (UE) includes receiving a configuration for dynamic spectrum sharing (DSS) operation where a first radio access technology (RAT) and a second RAT share spectrum. The configuration includes channel parameters associated with the first RAT. The method includes determining, based on the configuration, a first set of synchronization signal blocks (SSBs) that will not be transmitted via the second RAT and a second set of SSBs that will be transmitted via the second RAT. The method further includes refraining from performing a cell search on the first set of SSBs that was determined to not be transmitted via the second RAT. The method includes performing the cell search on the second set of SSBs that was determined to be transmitted via the second RAT.
Abstract:
Aspects of the present disclosure include methods, apparatuses, and computer readable media for establishing a plurality of sessions with a plurality of networks associated with a plurality of subscriptions, activating an inactivity timer associated with an absence of downlink (DL) reception in an active bandwidth part of a plurality of configured bandwidth parts, failing to maintain at least one connection with a network of the plurality of networks during a tune-away gap, identifying an expiration of the inactivity timer during the tune-away gap, restoring the at least one connection with the network after the tune-away gap, and attempting to decode DL information in at least one slot for two or more bandwidth parts of the plurality of configured bandwidth parts.
Abstract:
Methods and devices for controlling recovery from an out-of-service state on a multi-SIM wireless device that has at least two subscription identification modules (SIMs), and that determines whether a voice call or an active data communication session was dropped upon losing service, and prioritizes service recovery on the modem stack associated with the dropped voice call or active communication session. If neither a voice or data call was dropped upon losing service on both SIMs, the multi-SIM wireless device may calculate a priority value for each of the first and second SIMs, calculate an RF resource allocation percentage for each of the first and second SIMs, and grant use of the RF resource to the modem stacks associated with the first and second SIMs based on the calculated RF resource allocation percentages.