Inventergy, Inc. Patent applications |
Patent application number | Title | Published |
20140362945 | AUTOMATIC RETRANSMISSION IN COMMUNICATIONS SYSTEMS - Automatic retransmission in communications systems. In one embodiment, a portion of data is identified to be retransmitted based on feedback information indicating a negative acknowledgement (NACK) during a cyclic redundancy check (CRC) on a previous transmission of the portion of data. A retransmission mode is selected for the portion of data, from at least a first mode that retransmits the portion of data on at least a first transmitter antenna while transmitting new data on at least a second transmitter antenna, based on first desired transmission characteristics; and a second mode that retransmits the portion of data simultaneously on at least the first and second transmitter antennas, based on second desired transmission characteristics. | 12-11-2014 |
20140362679 | AUTOMATIC RETRANSMISSION IN COMMUNICATIONS SYSTEMS - Automatic retransmission in communications systems. An embodiment includes retransmitting data. A cyclic redundancy check (CRC) is executed on a portion of data received as part of a data stream at a receiver antenna. Feedback information of acknowledgment (ACK) or negative acknowledgement (NACK) for the portion of data is determined based on a result of the CRC. It is identified that the portion of data is to be retransmitted based on the feedback information indicating a NACK with respect to the portion of data. A retransmission mode is selected for the portion of data based on desired characteristics of the data stream, including a first mode that retransmits the portion of data on at least a first transmitter antenna while transmitting new data on at least a second transmitter antenna; and a second mode that retransmits the portion of data simultaneously on at least the first and second transmitter antennas. | 12-11-2014 |
20140169563 | METHOD FOR ENSURING MEDIA STREAM SECURITY IN IP MULTIMEDIA SUB-SYSTEM - A method for ensuring media stream security in an IP Multimedia Subsystem network is disclosed. The method includes: assigning an end-to-end media stream security key for a calling User Equipment (UE) or a called UE, by a network device with which the calling UE or the called UE is registered, respectively, and transmitting the media stream security key to a network device with which the opposite end is registered; encrypting the end-to-end media stream security key using a session key shared with the calling UE or the called UE respectively, and transmitting the encrypted end-to-end media stream security key to the calling UE or the called UE, respectively, via a session message; encrypting or decrypting a media stream, by the calling UE or the called UE, respectively, using the end-to-end media stream security key. | 06-19-2014 |