Patent application number | Description | Published |
20090014227 | PARKING ASSIST SYSTEM WITH STEERING CUES - Disclosed is a method for assisting the parking of a vehicle. The method includes determining a vehicle position relative to an obstacle. When the relative position meets a first set of criteria, a first torque pulse is delivered to the steering wheel in the first direction to cue an operator of the vehicle to turn the steering wheel in the first direction. When the relative position meets a second set of criteria, a second torque pulse is delivered to the steering wheel in the second direction, opposite to the first direction to cue the operator to turn the steering wheel in the second direction. A system for assisting the parking of a vehicle is also disclosed. | 01-15-2009 |
20090091435 | SYSTEMS, METHODS AND COMPUTER PRODUCTS FOR DROWSY DRIVER DETECTION AND RESPONSE - Systems and methods and computer products for drowsy driver detection and response. Exemplary embodiments include systems and methods and computer products for determining that a vehicle has engaged in a lane violation, determining a severity of the lane violation, determining a drowsy driver condition of the vehicle and responding to the drowsy driver condition via onboard warning, corrective actuation, or remote human interventions. | 04-09-2009 |
20130238193 | TORQUE-BASED ON-CENTER FEEL FOR ELECTRIC POWER STEERING - A control system for controlling an electric power steering system is provided. The control system includes a first module configured to compute an on-center torque adjustment compensation based on a sensed handwheel torque. The on-center torque adjustment compensation is configured to compensate for inertia of a steering actuator motor using a frequency-based methodology. The control system also includes a second module configured to generate a command signal to control the steering actuator motor of the electric power steering system based on the on-center torque adjustment compensation. | 09-12-2013 |
20140046542 | SYSTEM FOR PROVIDING STEERING ASSIST TORQUE BASED ON A LATERAL POSITION COMMAND - A steering system providing an assist torque to a handwheel is provided, and includes a lateral position module and a torque command module. The lateral position module determines a lateral position command based on a curvature of a lane and a near field heading angle. The torque command module determines the torque assist based on the lateral position command. | 02-13-2014 |
20140046547 | SYSTEM FOR PROVIDING STEERING ASSIST TORQUE BASED ON A PROPORTIONAL GAIN VALUE - A steering system providing an assist torque to a handwheel is provided, and includes a proportional gain module and a torque command module. The proportional gain module determines a proportional gain value. The proportional gain value is scheduled as a function of a lateral position error and at least one of the following: a near field heading angle, a far field heading angle, a curvature of the lane, and a lateral position of the vehicle. The torque command module determines the torque assist based on the proportional gain value. | 02-13-2014 |
Patent application number | Description | Published |
20080253346 | MAC ARCHITECTURE IN WIRELESS COMMUNICATION SYSTEMS SUPPORTING H-ARQ - A medium access control-high speed (MAC-hs) comprises a hybrid automatic repeat request (H-ARQ) device configured to receive data blocks over a wideband-code division multiple access (W-CDMA) high speed-downlink shared channel (HS-DSCH). The H-ARQ device generates an acknowledgement (ACK) or negative acknowledgement (NYACK) for each said data block received. Each received data block having a transmission sequence number. The H-ARQ device receives a new transmission instead of a pending retransmission at any time. At least one reordering device has an input configured to receive an output of the H-ARQ device and the at least one reordering device configured to reorder the received data blocks based on each received data block's transmission sequence number (TSN). Received data blocks are immediately forwarded for processing for higher layers when the received data blocks are received in sequence. | 10-16-2008 |
20080273469 | METHOD AND APPARATUS FOR PROVIDING BIASING CRITERIA FOR BINARY DECISIONS FOR USE IN WIRELESS COMMUNICATIONS TO ENHANCE PROTECTION - A criterion for biasing a binary decision requiring an unequal protection which utilizes a measured signal to interference ratio (SIR). The SIR may be derived from a determination of channel estimation. The SIR is compared against a threshold, the threshold being selected to bias the decision toward a not acknowledge (NACK) as opposed to an acknowledge (ACK) determination. The technique is advantageous for providing biased binary decisions for high speed downlink packets (HSDP) but may be utilized for both uplink and downlink applications. | 11-06-2008 |
20090094503 | FAST H-ARQ ACKNOWLEDGEMENT GENERATION METHOD USING A STOPPING RULE FOR TURBO DECODING - A stopping rule for Turbo decoding that is applied for both good and bad code blocks is disclosed. If the iteration either converges or diverges, decoding is terminated. In an alternative embodiment, the result of the stopping rule testing may be used for H-ARQ acknowledgement generation: if the iteration converges, an ACK is generated and if the iteration diverges, a NACK is generated. Optionally, the maximum number of decoding iterations may be dynamically selected based on MCS levels. | 04-09-2009 |
20090219907 | USER EQUIPMENT IDENTIFICATION SPECIFIC SCRAMBLING - A base station for use in a code division multiple access communication system comprises circuitry configured to process a user equipment identification (UE ID) by ½ rate convolutionally encoding the UE ID to produce a code. The code is used by the base station for scrambling a high speed shared control channel (HS-SCCH). The base station is configured to transmit a wireless signal. The wireless signal provides the user equipment with payload data carried on a high speed physical downlink shared channel (HS-PDSCH). The HS-PDSCH is associated with the HS-SCCH. | 09-03-2009 |
20100318886 | METHOD AND APPARATUS FOR PROCESSING A DOWNLINK SHARED CHANNEL - A method and apparatus is disclosed wherein a user equipment (UE) receives control information on a first channel and uses the control information to process a second channel. | 12-16-2010 |
20110159900 | METHOD AND APPARATUS FOR PROVIDING BIASING CRITERIA FOR BINARY DECISIONS FOR USE IN WIRELESS COMMUNICATIONS TO ENHANCE PROTECTION - A criterion for biasing a binary decision requiring an unequal protection which utilizes a measured signal to interference ratio (SIR). The SIR may be derived from a determination of channel estimation. The SIR is compared against a threshold, the threshold being selected to bias the decision toward a not acknowledge (NACK) as opposed to an acknowledge (ACK) determination. The technique is advantageous for providing biased binary decisions for high speed downlink packets (HSDP) but may be utilized for both uplink and downlink applications. | 06-30-2011 |
20110255475 | USER EQUIPMENT IDENTIFICATION SPECIFIC SCRAMBLING - A base station for use in a code division multiple access communication system comprises circuitry configured to process a user equipment identification (UE ID) by ½ rate convolutionally encoding the UE ID to produce a sequence. The sequence is used by the base station for scrambling a high speed shared control channel (HS-SCCH). The base station is configured to transmit a wireless signal. The wireless signal provides the user equipment with payload data carried on a high speed physical downlink shared channel (HS-PDSCH). The HS-PDSCH is associated with the HS-SCCH. | 10-20-2011 |
20120044873 | METHOD AND APPARATUS FOR PROCESSING A DOWNLINK SHARED CHANNEL - A method and apparatus is disclosed wherein a user equipment (UE) receives control information on a first channel and uses the control information to process a second channel. | 02-23-2012 |
20120079337 | USER EQUIPMENT USING HYBRID AUTOMATIC REPEAT REQUEST - A user equipment comprises a transmitter and an adaptive modulation and coding controller. The transmitter is configured to transmit data over an air interface in a single transmission time interval with a first specified modulation and coding scheme, where the single transmission time interval has a plurality of transport block sets. In response to receiving a repeat request for retransmission of at least one particular transport block set, the transmitter retransmits the at least one of the particular transport block sets. The adaptive modulation and coding controller is configured to change the specified modulation and coding scheme to a second specified modulation and coding scheme, enabling a combining of a particular transport block set transmitted at the first specified modulation and coding scheme with a retransmitted version of the particular transport block set transmitted at the second specified modulation and coding scheme. | 03-29-2012 |
20120189035 | METHOD AND SYSTEM FOR CODE REUSE AND CAPACITY ENHANCEMENT USING NULL STEERING - The number of users and data capacity of wireless systems are increased by employing apparatus and method for increasing the number of spreading codes available in the system by providing a mechanism to reuse the already allocated spreading code or use the codes that may correlate to those already being used within the same sector/cell. This, in return, provides capacity improvement proportional to the number of added base station (BS) antennas for each cell. An antenna null steering technique for code allocation maintains the cross correlation properties of the codes only for the desired user and to obtain a gain in capacity improvement. | 07-26-2012 |
20120307622 | MAC ARCHITECTURE IN WIRELESS COMMUNICATION SYSTEMS SUPPORTING H-ARQ - A medium access control-high speed (MAC-hs) comprises a hybrid automatic repeat request (H-ARQ) device configured to receive data blocks over a wideband-code division multiple access (W-CDMA) high speed-downlink shared channel (HS-DSCH). The H-ARQ device generates an acknowledgement (ACK) or negative acknowledgement (NACK) for each said data block received. Each received data block having a transmission sequence number. The H-ARQ device receives a new transmission instead of a pending retransmission at any time. At least one reordering device has an input configured to receive an output of the H-ARQ device and the at least one reordering device configured to reorder the received data blocks based on each received data block's transmission sequence number (TSN). Received data blocks are immediately forwarded for processing for higher layers when the received data blocks are received in sequence. | 12-06-2012 |
20130128780 | USER EQUIPMENT USING HYBRID AUTOMATIC REPEAT REQUEST - A user equipment comprises a transmitter and an adaptive modulation and coding controller. The transmitter is configured to transmit data over an air interface in a single transmission time interval with a first specified modulation and coding scheme, where the single transmission time interval has a plurality of transport block sets. In response to receiving a repeat request for retransmission of at least one particular transport block set, the transmitter retransmits the at least one of the particular transport block sets. The adaptive modulation and coding controller is configured to change the specified modulation and coding scheme to a second specified modulation and coding scheme, enabling a combining of a particular transport block set transmitted at the first specified modulation and coding scheme with a retransmitted version of the particular transport block set transmitted at the second specified modulation and coding scheme. | 05-23-2013 |
20130128835 | METHOD AND APPARATUS FOR PROCESSING A DOWNLINK SHARED CHANNEL - A method and apparatus is disclosed wherein a user equipment (UE) receives control information on a first channel and uses the control information to process a second channel, | 05-23-2013 |
20130148577 | TRANSPORT BLOCK SET SEGMENTATION - Data of a transport block set is to be transmitted in a wireless communication system. Segmentation information for potential segmentation of the data is provided. The data is transmitted with a first specified modulation and coding scheme. The data is received and it is determined whether the received data meets a specified quality. When the specified quality is not met, a repeat request is transmitted. The first specified modulation and coding set is changed to a second specified modulation and coding set. In response to the repeat request, the data is segmented into a plurality of segments supported by the second specified modulation and coding set in accordance with the provided segmentation information. The segments are transmitted and at least two of the segments are transmitted separately. | 06-13-2013 |
20130250920 | MAC ARCHITECTURE IN WIRELESS COMMUNICATION SYSTEMS SUPPORTING H-ARQ - A medium access control-high speed (MAC-hs) comprises a hybrid automatic repeat request (H-ARQ) device configured to receive data blocks over a wideband-code division multiple access (W-CDMA) high speed-downlink shared channel (HS-DSCH). The H-ARQ device generates an acknowledgement (ACK) or negative acknowledgement (NACK) for each said data block received. Each received data block having a transmission sequence number. The H-ARQ device receives a new transmission instead of a pending retransmission at any time. At least one reordering device has an input configured to receive an output of the H-ARQ device and the at least one reordering device configured to reorder the received data blocks based on each received data block's transmission sequence number (TSN). Received data blocks are immediately forwarded for processing for higher layers when the received data blocks are received in sequence. | 09-26-2013 |