Abstract: Systems, methods, and devices of the various embodiments enable a receiver device to use a modified segment availability time. In various embodiments, a receiver device may be enabled to modify availability start times for segments in a segment availability timeline, such as a Media Presentation Description (MPD), to account for the actual times when segments will be available to a DASH client.

Abstract: Embodiments include methods implemented by a processor of a mobile communication device for managing tune-aways by a radio frequency resource supporting a first subscription to support a second subscription. The processor may determine a data loss ratio of the data of a media file that is lost in transmission to the mobile communication device. The processor may compare the data loss ratio of the data to a first data loss ratio threshold and a second data loss ratio threshold, and the processor may block a tune-away event of the radio frequency resource from the first subscription to the second subscription in response to determining that the data loss ratio of the data is greater than the first data loss ratio threshold and less than the second data loss ratio threshold.

Abstract: Methods, systems, and devices for wireless communication are described. Data for a broadcast or multicast service may be sent over a control channel. A network device may broadcast a message to indicate a plurality of enhanced multimedia broadcast multicast service (eMBMS) services offered by the network. The mobile device may transmit an indication to the network device identifying an eMBMS service of interest. The network device may transmit a configuration message before broadcasting or multicasting data of the eMBMS service of interest. The configuration message may notify the mobile device of a control channel on which to receive the data related to the eMBMS service. The network device may then broadcast or multicast the eMBMS service data on the control channel. The data may be segmented at a particular protocol layer and mapped to several transmission time intervals within each repetition of the control channel.

Abstract: Systems, methods, and devices of the various embodiments provide a multipath communication scheduler for an in-vehicle computing device, such as a vehicle's autonomous driving system, vehicle's telematics unit, vehicle's control system, etc. In various embodiments, a distributed leaky bucket based scheduler for an in-vehicle computing device may assign packets for transport to a plurality of modems based at least in part on the determined delivery delays. In various embodiments, delivery delays may be determined based on leaky bucket levels, burst sizes, delivery rates, and end to end delay estimates for each of the plurality of modems. In various embodiments, the scheduler may be one of a plurality of schedulers each associated with a separate stream of packets assigned to the plurality of modems and the leaky bucket levels may be determined on a per stream basis.

Abstract: Systems, methods, and devices of the various embodiments provide a multipath communication scheduler for an in-vehicle computing device, such as a vehicle's autonomous driving system, vehicle's telematics unit, vehicle's control system, etc. In various embodiments, a centralized scheduler for an in-vehicle computing device may assign packets for transport to a plurality of modems based at least in part on delivery delays associated with the plurality of modems. In various embodiments, delivery delays may be determined based on one or more of queue sizes of the plurality of modems, delivery rate estimates of the plurality of modems, and end to end delay estimates.

Abstract: An example device for advertising a segment availability time when transporting media data includes a middleware unit configured to determine a playback duration, X, for segments of media data, determine a current time at a first scheduled burst, aburst, of a multicast channel (MCH) scheduling period (MSP) for a first segment having segment number a, determine an MSP duration, DMSP, calculate a segment availability time for a second segment having segment number b according to a formula that uses X, aburst, a, b, and DMSP as inputs, and advertise the segment availability time for the second segment.

Abstract: Systems, methods, and devices of the various embodiments provide for header extension preservation, security, authentication, and/or protocol translation for Multipath Real-Time Transport Protocol (MPRTP). Various embodiments include methods that may be implemented in a processor of a computing device for MPRTP transmission of Real-Time Transport Protocol (RTP) packets. Various embodiments may include receiving an RTP packet in which the received RTP packet may be part of an RTP stream that may be protected using secure RTP (SRTP), and applying an authentication signature to the RTP packet to authenticate an MPRTP header extension separate from a body of the RTP packet. Various embodiments may include sending and/or receiving MPRTP subflows of an MPRTP session in which a same security context may be applied across all MPRTP subflows of the MPRTP session.

Abstract: A user equipment (UE) may be configured to join a group call, which may include mission critical (MC) data. The UE may be configured to receive, through a broadcasted group discovery channel (GDCH), a list of group call services and corresponding session description protocol (SDP) information for establishing the group call services. The UE may be configured to determine at least one group call service of the group call services to receive. The UE may be configured to establish the at least one group call service based at least in part on the corresponding SDP information received through the broadcasted GDCH.

Abstract: Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a mobile device may receive configuration information, associated with configuring a state of the mobile device, via a unicast transmission, and may access a header-compressed broadcast transmission using the configuration information received via the unicast transmission. In some aspects, a network entity may transmit configuration information, to facilitate decompression of a header-compressed broadcast transmission, via a unicast transmission to a mobile device of a plurality of mobile devices, and may transmit the header-compressed broadcast transmission to the plurality of mobile devices in accordance with the configuration information.

Abstract: Systems, methods, and devices of various embodiments enable signaling one or more capabilities of servers, such as web servers or content delivery network (CDN) servers, to use file version information, such as MD5s (message digest 5 (MD5) algorithm hash values) and/or entity tags (ETags), to computing devices for byte-range file repair.

Abstract: Embodiment systems, methods, and devices enable data streams of a broadcast service to be carried in multiple communication sessions in any transport protocol providing file transport information and the transmission of objects, an example of which is File Delivery Over Unidirectional Transport (“FLUTE”). A session description may include a category attribute indicating the type of data carried in such a protocol session. A schedule fragment may include references to a session description for each such protocol session associated with a service. A common listing of configuration parameters may be generated for all such protocol sessions associated with a service. A different listing of configuration parameters may be generated for each such protocol session associated with a service. A flag setting in a diary file may indicate one or more such protocol session associated with a service over which in-band update fragments may be broadcast.

Abstract: Methods provide mechanisms for efficiently delivering files over a broadcast system to mobile devices. Files for broadcast may be logically identified as belonging to a directory in a file system. A Broadcast Schedule Message may inform receiver devices of files that will be broadcast at a specified time, as well as describe the files. File may be transmitted in file delivery pipes, which may be of different bandwidth and data rates. Receiver devices configured according to the embodiments may make use of the broadcast schedule message to select files to be received based on the service or application with which the file is associated, and whether the file is new or an update to a previously received file. Receiver devices activate receiver circuitry to capture the files within their advertised broadcast window, and pass the files to be broadcast to applications or services requesting the files.

Abstract: Dynamic forward error correction (FEC) setting is discussed in which the network determines a FEC percentage for each video segment of a video streaming service, based on consideration of the transfer length of the video segment and the allocated bandwidth. When the transfer length and allocated bandwidth reflect transmission of less than peak bandwidth, the network will determine a higher FEC percentage that uses the otherwise wasted bandwidth to transmit additional redundancy symbols. The additional redundancy symbols increase the error recovery rate when collisions occur between streaming video reception and page monitoring occasions of other networks in multi-network, multi-subscriber identification module (SIM) mobile devices. A network entity may then transmit the dynamic FEC percentage for each video segment in the file description table (FDT) associated with the video streaming service.

Abstract: A method, an apparatus, and a computer program product for wireless communication enable user equipment operating in a current cell that provides a multimedia broadcast/multicast service to distinguish between neighboring cells that have different operational characteristics. The presence of a neighboring cell is identified while the user equipment is operating in a first cell and it is determined whether the neighboring cell provides services different from the services provided in the current cell, based on information maintained by the user equipment. The user equipment may move to the neighboring cell to obtain better or different service.

Abstract: Embodiment systems, methods, and devices enable data streams of a broadcast service to be carried in multiple communication sessions in any transport protocol providing file transport information and the transmission of objects, an example of which is File Delivery Over Unidirectional Transport (“FLUTE”). A session description may include a category attribute indicating the type of data carried in such a protocol session. A schedule fragment may include references to a session description for each such protocol session associated with a service. A common listing of configuration parameters may be generated for all such protocol sessions associated with a service. A different listing of configuration parameters may be generated for each such protocol session associated with a service. A flag setting in a diary file may indicate one or more such protocol session associated with a service over which in-band update fragments may be broadcast.

Abstract: A UE receives a list of neighboring cells of a serving cell serving the UE, and a list of SAIs. The list of neighboring cells may be included in a first system information message and the list of SAIs may be included in a second system information message. The first and second messages may be the same message, e.g., SIB15, or may be different messages SIB4/SIB5 and SIB15. The list of SAI includes those SAI supported by at least one of the serving cell and the neighboring cells. At least one of the SAIs is formatted to include mapping information that maps the SAI to one or more of the neighboring cells included in the list of neighboring cells. The UE processes the at least one SAI to determine the one or more neighboring cells that support the SAI.

Abstract: A method, an apparatus, and a computer program product for wireless communication enable user equipment operating in a current cell that provides a multimedia broadcast/multicast service to distinguish between neighboring cells that have different operational characteristics. The presence of a neighboring cell is identified while the user equipment is operating in a first cell and it is determined whether the neighboring cell provides services different from the services provided in the current cell, based on information maintained by the user equipment. The user equipment may move to the neighboring cell to obtain better or different service.

Abstract: A first UE receives a request for a service from an application running on a second UE or an application running on the first UE. The second UE is different than the first UE. The request for the service is a request for a set of files/streams through an MBMS service. The first UE attempts to receive the set of files/streams through the MBMS service from one of a base station or a third UE. The first UE sends a reception report including at least one of a reception acknowledgement or a statistical report associated with the set of files/streams. The at least one of the reception acknowledgement or the statistical report associated with the set of files/streams includes an identifier associated with at least one of the second UE, the third UE, the application running on the second UE, or the application running on the first UE.

Abstract: A method for selectively prioritizing eMBMS includes: determining a collision metric associated with at least one of a plurality of eMBMS data streams on the first subscription; identifying a first eMBMS data stream of the plurality of eMBMS data streams having a highest collision metric amongst the plurality of eMBMS data streams on the first subscription; assigning the first eMBMS data stream with a higher QoS priority than a QoS priority assigned to paging occasions on the second subscription; and in response to detecting that an upcoming paging occasion on the second subscription coincides with an upcoming eMBMS data burst associated with the first eMBMS data stream on the first subscription, utilizing the RF chain to receive the eMBMS data burst on the first subscription based on the first eMBMS data stream on the first subscription having a higher QoS priority than the paging occasions on the second subscription.

Abstract: Systems, methods, and devices of the various embodiments enable signaling, such as in-band signaling, of service description updates in Real-Time Transport Protocol (RTP) streaming over evolved Multimedia Broadcast Multicast Service (eMBMS).