Abstract: A system and method for reduced feedback in MU-MIMO communications is provided. A method for transmitter operations includes transmitting a pilot signal, receiving channel information feedback from a set of K communications devices served by a transmitter, where K is a non-negative integer value and K?2, selecting M communications devices out of the set of K communications devices, where M is a non-negative integer value and M?K, computing a precoder for each of the M selected communications devices based on the channel information feedback, and simultaneously transmitting information to the M selected communications devices.

Abstract: A system and method for scheduling variable bit rate (VBR) streams in a wireless communications system is provided. A method for broadcasting data includes receiving a plurality of broadcast data streams, assigning the broadcast data streams into a plurality of frames, each frame including data from no more than one of the broadcast data streams, re-allocating the plurality of frames, and causing the frames to be broadcast wirelessly. The re-allocating is based on a queue length associated with each of the broadcast data streams and an arrival rate for data of each of the broadcast data streams.

Abstract: A method comprising receiving a data frame, encapsulating the received data frame into a reflected frame message (RFM) encapsulated frame, and if the received data frame causes the RFM encapsulated frame to exceed a maximum service data unit size, either the data frame is truncated or the data frame is split into two smaller frames and those two smaller frames are encapsulated by two separate RFM frames, wherein if a truncation flag is set to be true, the data frame is truncated to be encapsulated in one RFM.

Abstract: Sending quick paging or regular paging messages is disclosed. The format of the quick paging or regular paging message is compressed in a systematic way without losing any information. Additional bits can be embedded in and extracted from the comparison between each pair of remaining partial numbers that are not compressed further.

Abstract: A method and apparatus for mitigating inter-cell interference in an OFDMA-based wireless communication system is disclosed. The method includes the steps of, providing at least a frame in a base station to a plurality of mobile stations; dividing the frame into a plurality of subcarriers; assigning a demarcation line within the frame to divide the plurality of subcarriers into a first zone and a second zone; defining a time reuse parameter for the plurality of subcarriers within the first zone; defining a frequency reuse parameter for the plurality of subcarriers within the first zone; and loading the plurality of subcarriers within the first zone according the time reuse parameter and the frequency parameter.

Abstract: A method for establishing a new security association between a mobile node and a network source, the method comprising creating a first token comprising a security association between a network source and a mobile node, the first token being encrypted using a first key known to the mobile node and a first trust authority within a home network associated with the mobile node, and creating a second token comprising the same security association between the network source and the mobile node, the second token being encrypted using a second key known to the first trust authority and a second trust authority associated with the network source, wherein the first token and the second token are sent to the second trust authority using a chain of trust infrastructure.

Abstract: A telecommunications network comprising components configured to implement a method comprising: receiving a reservation from a customer, reserving a network resource specified in the reservation, initiating the establishment of a reserved connection through a network, the reserved connection parameters based on the reservation, subsequent to the establishment of the reserved connection, detecting a data stream transmitted from the customer, and allowing the data stream to be transported over the network using the reserved connection. Also disclosed is a method for reserving bandwidth on a network, the method comprising: submitting a reservation request specifying a bandwidth requirement and a start time, receiving a confirmation that the reservation has been accepted, and transmitting a data stream to a network at the start time, wherein the data stream is transported over the network using no more than the bandwidth specified in the reservation request.

Abstract: In accordance with an embodiment, a method of operating a multi-output wireless transmitter includes determining a precoded data stream based on input data, where the determining includes determining a signal to interference plus noise ratio (SINR) of a plurality of receivers, determining a channel gain to each of the plurality of receivers, and maximizing a sum of utility functions, wherein each utility function is proportional to the SINR of each of the plurality of receivers at low SINR values and asymptotically approaches a constant value at high SINR values. The precoded data stream is transmitted on the multi-output wireless transmitter.

Abstract: A system and method for power control in distributed networks is provided. A method for transmitting information includes setting a transmit power level for a subset of communications controllers in a communications network, and transmitting information to a communications device served by a communications controller. The subset of communications controllers includes ad hoc communications controllers in the communications network, and the setting of the transmit power level is performed in a distributed manner. The information is transmitted at a transmit power level set for the communications controller.

Abstract: A system and method for providing media streaming are provided. A media description file having a range string indicator is used to specify location offsets of a plurality of media fragments within a media file. The range string may be stored directly in the media description file or the media description file may contain an indicator specifying a file containing the range string. The media description file may also include a range unit specifying the size of the offsets in the range string. In an embodiment, offsets within the individual media fragments may also be provided, either in the media description file or in a different file.

Abstract: An embodiment of a system and method for online media preview extracts a plurality of preview frames from a media file. The preview frames are saved in a layered data structure. In addition, the preview frames may be scaled to a lower resolution so that the preview file formed by the preview frames is reduced in size. After receiving a preview request, a delivery scheduling scheme delivers the preview frames at selected time points to minimize startup delay and playback jitter.

Abstract: A system and method for securing media content are provided. A method for distributing security media content includes embedding a marking payload into media content, thereby producing embedded media content, applying a transform to the embedded media content, thereby producing secured media content, and distributing the secured media content. The marking payload is embedded based on perceptual information regarding the media content.

Abstract: In one embodiment, a method of streaming media includes partitioning a media stream to be transmitted into a first stream of media segments at a media server. The first stream of the media segments has a first sequence. An index table is generated to identify the first sequence of the first stream of the media segments. The index table is encrypted using a key. A second stream of the media segments is generated. The second stream has a second sequence, which is random relative to the first sequence. The encrypted index table and a transcoded media stream having the second stream of the media segments are transmitted.

Abstract: In one embodiment, a method of adaptive media streaming includes receiving a cipher media stream at a media device. The cipher media stream is compliant with a media compression standard. The cipher media stream is decrypted and decoded using an inverse stream cipher algorithm and a compressed media stream is generated by combining the cipher media stream with a keystream.

Abstract: In accordance with an embodiment, a method of matching video content to advertising content includes electronically receiving a video content metadata from a content provider, and matching the video content metadata to advertising content metadata of a global list of advertisements. The video content metadata corresponds to video content being sent to a user device and includes at least one keyword. Furthermore, the advertising content metadata corresponds to advertising content and includes at least one keyword. Matching the video content metadata to advertising content metadata includes comparing the at least one keyword of the video content metadata to the at least one keyword of the advertising content metadata.

Abstract: A system and method for delivering messages are provided. A method for communications device operations includes detecting a failure in a delivery of a message to a first recipient device, determining a second recipient device for the message, and initiating a redelivery of the message to the second recipient device. The first recipient device is formerly registered in a first domain of a communications network or is unavailable in the first domain.

Abstract: In accordance with an embodiment, a method of inserting advertisements into video content includes electronically receiving video content metadata from a content provider, matching the video content metadata to advertising content metadata to provide a first list of advertisements, filtering the first list of advertisements according to user preference data to determine a second list of advertisements, and transmitting the second list of advertisements to a user device for insertion into the video content. The video content metadata corresponds to video content being sent to a user device, and the advertising content metadata corresponds to advertising content.

Abstract: In accordance with an embodiment, a method of inserting advertisements into video content includes electronically filtering a first list of advertisements according to user preference data to determine a second list of advertisements. The video content has a plurality of segments, each segment of which is associated with a category from the plurality of categories. Furthermore, each advertisement in the first list of advertisements is associated with a video category from a plurality of categories, and electronically filtering includes filtering the first list of advertisements for the plurality of video segments on a segment by segment basis. The method further includes transmitting the second list of advertisements to a user device for insertion with the video content.

Abstract: An apparatus comprising an ingress controller configured to receive a data frame comprising a high priority data and a low priority data, and an ingress buffer coupled to the ingress controller and configured to buffer the low priority data, wherein the high priority data is not buffered. Also disclosed is a network component, comprising an ingress controller configured to receive a data stream comprising high priority data and low priority data, and an ingress buffer coupled to the ingress controller and configured to receive, buffer, and send the low priority data, and further configured to receive a flow control indication, wherein the ingress buffer varies an amount of the low priority data sent from the ingress buffer in accordance with the flow control indication.

Abstract: In accordance with an embodiment, a method of operating a base station configured to operate with user devices includes scheduling a first user device in a first slot, scheduling the first user device for at least one further slot, and transmitting an assignment for the at least one further slot to the first user device. The first slot has a first resource block (RB) and a first transmission time interval (TTI) and the at least one further slot has the first RB and a second TTI.