Abstract:
An apparatus for adaptively defining clusters transmit points for coordination in a communication network includes a circuit that receives radio frequency channel information corresponding to the transmit points and defines a subset of the transmit points based at least in part on the radio frequency communication channel information. The subset is interrelated by a contiguous chain of dominant interference relationships between pairs of the transmit points. The apparatus further includes a processor that independently coordinates radio communications among the subset of transmit points.
Abstract:
Real-time video can be efficiently and reliably streamed over wireless networks by fountain encoding a stream of video packets at the frame-level. Specifically, deep packet inspection may be performed on the stream of video packets to identify a set of video packets corresponding to an intra-coded frame (I-frame). The set of video packet may then be fountain encoded together as a data segment to produce a set of fountain encoded packets corresponding to the I-frame. Video packets corresponding to other frames (e.g., P-frames, etc.) may also be encoded on a frame-by-frame basis. This may allow a user equipment (UE) to begin displaying earlier frames in a group of pictures (GoP) while fountain encoded packets for subsequent frames are still being received, thereby reducing latency and improving the overall user experience.
Abstract:
System and method embodiments are provided for providing customized virtual networks based on SONAC. In an embodiment, a network management entity for providing a customized VN includes a SONAC module executed by a computing device that is connected to a wireless network, the SONAC module configured to receive service requirement data from the wireless network and create a service customized VN according to the service requirement data, the service requirement data describing one or more service requirements, wherein the SONAC module comprises an interface to interact with: an SDT component, the SDT component used by the SONAC module to determine a service customized logical topology; an SDRA component that maps the logical topology to physical network resources within the wireless network; and a SDP component that determines an end-to-end data transport protocol for communication between a first device and a second device via the wireless network.
Abstract:
Network caching performance can be improved by allowing users to discover distributed cache locations storing content of a central content server. Specifically, retrieving the content from a distributed cache proximately located to the user, rather than from the central content server, may allow for faster content delivery, while also consuming fewer network resources. Content can be associated with distributed cache locations storing that content by cache location tables, which may be maintained at intermediate network nodes, such as border routers and other devices positioned in-between end-users and central content servers. Upon receiving a query, the intermediate network nodes may determine whether the content requested by the query is associated with a cache location in the cache location table, and if so, provide the user with a query response identifying the associated cache location.
Abstract:
A method for effective flow rate estimation for a plurality of video flows includes determining a first flow rate of each of the plurality of video flows in a first transmission window and receiving quality of experience (QoE) feedback for playing portions of the plurality of video flows in the first transmission window. The QoE feedback is received from a plurality of user equipments (UEs) receiving the plurality of video flows. A dynamic effective flow rate is estimated for each flow in the plurality of video flows in a second transmission window in accordance with at least the first flow rates of the plurality of video flows and the QoE feedback.
Abstract:
System and method embodiments are provided for providing customized virtual networks based on SONAC. In an embodiment, a network management entity for providing a customized VN includes a SONAC module executed by a computing device that is connected to a wireless network, the SONAC module configured to receive service requirement data from the wireless network and create a service customized VN according to the service requirement data, the service requirement data describing one or more service requirements, wherein the SONAC module comprises an interface to interact with: an SDT component, the SDT component used by the SONAC module to determine a service customized logical topology; an SDRA component that maps the logical topology to physical network resources within the wireless network; and a SDP component that determines an end-to-end data transport protocol for communication between a first device and a second device via the wireless network.
Abstract:
System and method embodiments are provided for providing customized virtual networks based on SONAC. In an embodiment, a network management entity for providing a customized VN includes a SONAC module executed by a computing device that is connected to a wireless network, the SONAC module configured to receive service requirement data from the wireless network and create a service customized VN according to the service requirement data, the service requirement data describing one or more service requirements, wherein the SONAC module comprises an interface to interact with: an SDT component, the SDT component used by the SONAC module to determine a service customized logical topology; an SDRA component that maps the logical topology to physical network resources within the wireless network; and a SDP component that determines an end-to-end data transport protocol for communication between a first device and a second device via the wireless network.
Abstract:
Network caching performance can be improved by allowing users to discover distributed cache locations storing content of a central content server. Specifically, retrieving the content from a distributed cache proximately located to the user, rather than from the central content server, may allow for faster content delivery, while also consuming fewer network resources. Content can be associated with distributed cache locations storing that content by cache location tables, which may be maintained at intermediate network nodes, such as border routers and other devices positioned in-between end-users and central content servers. Upon receiving a query, the intermediate network nodes may determine whether the content requested by the query is associated with a cache location in the cache location table, and if so, provide the user with a query response identifying the associated cache location.
Abstract:
Disclosed is system and method to implement an on-demand file repair protocol. In the protocol, a traffic source sends all data packets of a data file to a traffic sink. The traffic source then sends to the traffic sink an indication that the sending of the all data packets is complete. If data packets are missing, a request is received from the traffic sink for retransmission of missing packets. The traffic source then sends fountain codes of the missing packets to the traffic sink.
Abstract:
Disclosed is system and method to implement an on-demand file repair protocol. In the protocol, a traffic source sends all data packets of a data file to a traffic sink. The traffic source then sends to the traffic sink an indication that the sending of the all data packets is complete. If data packets are missing, a request is received from the traffic sink for retransmission of missing packets. The traffic source then sends fountain codes of the missing packets to the traffic sink.