| Patent Number |
Title Of Patent |
Date Issued |
| 7068619 |
Radio link control with limited retransmissions for streaming services |
June 27, 2006 |
| In a mobile station-mobile receiver arrangement a method and apparatus for a radio link control (RLC) protocol that allows partial recovery of data for streaming services. The maximum number of retransmissions allowed by the method for each RLC block is a function of the maximum delivery |
| 7054346 |
Enhanced frequency hopping in a wireless system |
May 30, 2006 |
| A wireless endpoint employs frequency hopping for communicating signals in a wireless communications system. Over a time period T, the wireless endpoint performs pseudo-random selection of a frequency from a hopping set of N frequencies such that over at least a portion of the time perio |
| 7020185 |
Method and apparatus for determining channel conditions in a communication system |
March 28, 2006 |
| One example of symbol or bit error probability estimation in a communication system using soft decision information determines soft decision metric(s) for each symbol that is received over a communication channel and employs the soft decision metric(s) to obtain an estimate of symbol |
| 7006477 |
Method for interleaving of half rate channels suitable for half duplex operation and statistical |
February 28, 2006 |
| A system and method for providing wireless time division multiplexed communications in which time is divided into a plurality of frames and each frame is divided into N data bursts, which has a first multiplexer defining a channel as a series of bursts that occur periodically every N |
| 6996083 |
Burst based access and assignment method for providing real-time services |
February 7, 2006 |
| A method and system for reducing delay in wireless communications by use of a burst based access and assignment system. The method for setting up a communication channel uses short burst(s) (essentially a slot of a time frame). Time is saved by keeping the uplink and downlink channels |
| 6990104 |
Methods and devices for scheduling transmissions in interference-limited networks |
January 24, 2006 |
| Uplinked and downlinked transmissions in an interference-limited system, such as a cellular network, are prioritized and authorized by channel quality/data rate to minimize interference. |
| 6963544 |
System for statistically multiplexing real-time and non-real-time voice and data traffic in a wi |
November 8, 2005 |
| A system for providing statistical multiplexing of speech, other real-time data services and non-real-time data services for point to point and point to multipoint communications. The system has fast access and assignment procedures that allow the multiplexing of real-time, delay-critica |
| 6895057 |
System and method for wireless communication supporting link adaptation and incremental redundan |
May 17, 2005 |
| A system and method is provided for communicating in a wireless communication system which supports link adaptation or link adaptation and incremental redundancy. The invention provides link adaptation at multiple code rate by dividing fixed length RLC blocks into coded sub-blocks. CRC |
| 6778558 |
System and method for incremental redundancy transmission in a communication system |
August 17, 2004 |
| A system and method for incremental redundancy transmission in a communication system. A time slot is provided having at least one sub-slot with a fixed size, and a data block sized to fit in the sub-slot, a header having a one data block sequence number in the header for the time slot. |
| 6625133 |
System and method for link and media access control layer transaction initiation procedures |
September 23, 2003 |
| A system and method of implementing a radio link protocol and dynamic partial echo management for a transaction oriented packet data communication system. A data backlog is described with a media access control layer controller and transmitting a BEGIN protocol data unit transmitted |
| 6611515 |
System and method for link and media access control layer transaction completion procedures |
August 26, 2003 |
| A system and method of implementing a radio link protocol completion oriented packet data communication system. A data backlog is described with a media access control layer controller and transmitting a BEGIN protocol data unit containing a flag transmitted to a receiver. A media ac |
| 6567375 |
Method and apparatus for packet size dependent link adaptation for wireless packet |
May 20, 2003 |
| Unlike earlier methods and systems in which Radio Link Control (RLC) performance was characterized in terms of the throughput, and the size of the higher layer Protocol Data Units (PDUs) or packets to be transferred was ignored, a method and apparatus is provided that is based on the del |
| 6557135 |
Cycling through entirety of error-indicating acknowledgment information |
April 29, 2003 |
| A system includes a generator component that determines a plurality of portions that comprise an entirety of error-indicating acknowledgement information. The system includes a generator component that cycles through the plurality of portions that comprise the entirety of the error-i |
| 6532222 |
Apparatus and methods for improving the assignment of parallel demodulators to multipaths of wir |
March 11, 2003 |
| Demodulator assignment logic is provided that confirms the presence and quality of a multipath before assigning a parallel demodulator to that multipath. Multipath presence and quality are confirmed when at least two power measurements of a multipath at least equal a selectable power |
| 6215827 |
System and method for measuring channel quality information in a communication system |
April 10, 2001 |
| A system and method to measure channel quality in terms of signal to interference plus noise ratio for the transmission of coded signals over fading channels in a communication system. A Viterbi decoder metric for the Maximum Likelihood path is used as a channel quality measure for c |
| 6108374 |
System and method for measuring channel quality information |
August 22, 2000 |
| A system and method to measure channel quality in terms of signal to noise ratio for the transmission of coded signals over fading channels. A Viterbi decoder metric for the Maximum Likelihood path is used as a channel quality measure. This Euclidean distance metric is filtered in or |
| 6052566 |
Combined RSSI/SNR-driven intermodulation-mitigation scheme for CDMA terminals |
April 18, 2000 |
| A wireless receiver includes a variable attenuator, a signal-to-noise ratio (SNR estimator), and a received signal strength indicator (RSSI) level detector. The RSSI level of the received signal is used as a primary criterion on setting the attenuator status. Once the attenuator is set |
