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Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7460835 | Method and apparatus for determining an operating condition in a communications system A communication system environment estimation apparatus and method. In one embodiment, an environment estimation apparatus according to the teachings of the present invention includes a plurality of antenna elements and a receiver coupled to receive uplink signals f... | 12/02/2008 |
| 7433418 | Method and apparatus for efficient storage of training sequences for peak to average power constrained modulation formats Some embodiments store a training sequence in a communications system. The stored training sequence exhibits certain desirable characteristics when used by a peak to average power constrained modulation format. In one embodiment, a set of original ordered sequences ... | 10/07/2008 |
| 7433347 | Broadcast superframe with variable reuse and interference levels for a radio communications system A method and apparatus are provided to enhance the efficiency of reuse of a broadcast channel. In one embodiment, the invention includes sending a first burst of a broadcast channel from a broadcast channel radio subject to a first reuse factor, and sending a second... | 10/07/2008 |
| 7430606 | Reducing certificate revocation lists at access points in a wireless access network The certificate revocation lists at access points of a wireless access network can be reduced. In one embodiment, an Internet Service Provider (“ISP”) connected to the wireless access network can receive a subscription request from a user terminal capable of acc... | 09/30/2008 |
| 7430246 | Broadcast burst using spatial diversity for a radio communications system A method and apparatus are provided that allows a single spatially directed broadcast burst to serve users throughout a base station sector. In one embodiment, the invention includes sending a first segment of a broadcast channel burst using a first set of unchangin... | 09/30/2008 |
| 7430197 | Radio communications system with a shared broadcast channel In one embodiment the present invention comprises transmitting a first broadcast message in a broadcast channel at a first specific time within a first assigned slot of a predetermined frame from a first base station of a radio communications system. The first broad... | 09/30/2008 |
| 7424002 | Resource allocation in a wireless network A data stream is transmitted between a base station and user terminal. A first resource that is available to transmit a page is selected at the base station and the page transmitted from the base station via the first resource. The page is received at the user termi... | 09/09/2008 |
| 7420984 | Method and apparatus for multi-phase wireless handshaking Methods and apparatuses associated with multi-phase wireless handshaking. A user terminal enters handshaking with an access point. The access point may respond to an access request of the user terminal with an access assignment, and alternatively, with a message ind... | 09/02/2008 |
| 7411977 | Efficient usage of hardware processing resources A wireless communication device monitors a radio frequency (RF) resource for a signal from a remote terminal. The wireless communications device detects the absence of the signal in the monitored RF resource. If the signal is not present in the RF resource, the wire... | 08/12/2008 |
| 7406315 | Method and apparatus for resource management in a wireless data communication system A method and apparatus for delaying or hastening the “lifespan” of a session in response to detecting (or causing) a session renewal. A “session,” refers to a particular user terminal's right of access to one or more communication channels to exchange data w... | 07/29/2008 |
| 7389111 | Adaptive determination of hysteresis for facilitating base station selection, including handover, in a wireless communication system The present invention provides method and apparatus for facilitating base station selection/handover by a user terminal in a distributed (e.g., cellular-type) wireless communication system. In accordance with one aspect, hysteresis is adaptively determined as a func... | 06/17/2008 |
| 7386043 | Method and apparatus for increasing spectral efficiency using mitigated transmit power near band-edge A method and apparatus for increasing the spectral efficiency of communications systems by employing portions of the spectrum, which portions might otherwise be reserved as all or part of guard bands and not utilized (i.e., effectively wasted), for communicating at ... | 06/10/2008 |
| 7386781 | Method and apparatus for increasing the effective range of a communication link in a wireless communication system A method is presented comprising identifying a weak component in a wireless communication link, instructing a transmitter of the weak component to invoke repetition coding, and selectively combining signals received via multiple antennae on multiple channels to reco... | 06/10/2008 |
| 7372911 | Beam forming and transmit diversity in a multiple array radio communications system A method and apparatus are provided for selecting transmission parameters for multiple transmit antenna arrays. In one embodiment, the invention includes receiving a signal from a remote radio, measuring the transmit coherency of the received signal, selecting, base... | 05/13/2008 |
| 7366223 | Modifying hopping sequences in wireless networks The present invention can be used to modify hopping sequences and families of hopping sequences. In one embodiment the present invention includes modifying a family of hopping sequences by eliminating a resource from a plurality of resources used by the family of ho... | 04/29/2008 |
| 7362799 | Method and apparatus for communication signal resolution Embodiments of the present invention provide methods and apparatuses for determining a parameter value for each of a plurality of communication signals received concurrently as a composite signal. The parameter value of each communication signal is within a correspo... | 04/22/2008 |
| 7363376 | Method and apparatus for generating an identifier to facilitate delivery of enhanced data services in a mobile computing environment An apparatus and method for generating an identifier to facilitate delivery of enhanced data services in a wireless computing environment is presented. In accordance with one aspect of the invention, a method is presented comprising receiving a request to establish ... | 04/22/2008 |
| 7352774 | Multiplexing different types of data sequences According to an embodiment of the invention, a method and apparatus are described for data bit sequences. According to an embodiment of the invention, a header is inserted in a data burst. One or more high priority messages of a first type are optionally inserted in... | 04/01/2008 |
| 7349371 | Selecting random access channels Embodiment of the present invention can be used to select random access channels to be assigned to user terminals. In one embodiment, the invention includes a base station receiving a signal from a second radio, the received signal containing information about the s... | 03/25/2008 |
| 7342912 | Selection of user-specific transmission parameters for optimization of transmit performance in wireless communications using a common pilot channel A method and apparatus are provided that optimizes a transmitted user-specific signal. In one embodiment, the invention includes receiving signals from a remote radio, deriving estimates of receive channels corresponding to the received signals using the received si... | 03/11/2008 |
| 7339908 | System and related methods to facilitate delivery of enhanced data services in a mobile wireless communications environment A system and related methods to facilitate the delivery of enhanced data services in a mobile wireless communications environment is generally described. According to one aspect of the invention, a data networking protocol is introduced generally comprising control ... | 03/04/2008 |
| 7339906 | Opening a communications stream between a user terminal and a base station A method and apparatus are provided that allow a communications stream to be quickly opened between two terminals. According to one aspect of the present invention, the invention includes registering the base station and the user terminal with each other by exchangi... | 03/04/2008 |
| 7339981 | Shifted training sequences in a communications system Embodiments of the present invention can be used to select a training sequence used by a base station and a user terminal for communications. In one embodiment, selecting the training sequence to use includes first selecting a training sequence from a set of trainin... | 03/04/2008 |
| 7310538 | Symbol estimation-based decorrelator for directing beams and nulls to remote users in a wireless communications system Spatial and temporal characteristics of received radio signals in a multiple user radio system can be estimated based on signals received from the users. In one embodiment, the invention includes collecting measurements of radio frequency signals received at differe... | 12/18/2007 |
| 7302565 | Terminal identity masking in a wireless network The certificate issued by a certificate authority used in authenticating a user terminal can be scrambled prior to being set to an access point. In one embodiment, the present invention includes a user terminal having a memory in which a user terminal certificate is... | 11/27/2007 |
| 7299071 | Downlink broadcasting by sequential transmissions from a communication station having an antenna array This invention relates to a method and apparatus for transmitting a downlink signal from a communication station to one or more subscriber units to achieve a desired radiation level over a desired sector (e.g., everywhere), the communication station including an arr... | 11/20/2007 |
| 7299073 | System and related methods for clustering multi-point communication targets A system and related methods for clustering multi-point communication targets is presented. According to one aspect of the invention, a method comprising measuring one or more performance characteristics associated for each of at least a subset of a plurality of tar... | 11/20/2007 |
| 7277679 | Method and apparatus to provide multiple-mode spatial processing to a terminal unit Methods and apparatuses, including computer program products, for spatial processing in a remote terminal unit. One embodiment is a wireless remote terminal receiver in a wireless terminal unit for operation in a wireless communication system. The wireless remote te... | 10/02/2007 |
| 7269389 | Selective power control messaging According to an embodiment of the invention, a method and apparatus are described to receive a signal, determine a quality of the received signal, and transmit a power control message, with a selected size, to request a modification in transmission power, the power ... | 09/11/2007 |
| 7266685 | Time certification in a wireless communications network The time reference of a user terminal that is derived from an unauthenticated access point can be certified by a trusted entity according to the present invention. In one embodiment, the present invention includes a user terminal obtaining a time reference from an a... | 09/04/2007 |
| 7263082 | Resolving user-specific narrow beam signals using a known sequence in a wireless communications system with a common pilot channel A method and apparatus are provided that corrects for differences in reception between a user-specific signal and a common signal. In one embodiment, the invention includes receiving a common pilot signal transmitted on a wide beam at a remote terminal, receiving a ... | 08/28/2007 |
| 7257101 | Selective power control messaging According to an embodiment of the invention, a method and apparatus are described to receive a signal, determine a quality of the received signal, and transmit a power control message, with a selected size, the power control message being based at least in part on t... | 08/14/2007 |
| 7227855 | Resource allocation in a wireless network A data stream is transmitted between a base station and user terminal. A first resource that is available to transmit a page is selected at the base station and the page transmitted from the base station via the first resource. The page is received at the user termi... | 06/05/2007 |
| 7221699 | External correction of errors between traffic and training in a wireless communications system A method and apparatus are provided that allows a training and traffic signal to be compensated for phase errors without modifying a receiver. In one embodiment, the invention encompasses an external error correction circuit having a signal input to receive training... | 05/22/2007 |
| 7206554 | Transmit diversity with formed beams in a wireless communications system using a common pilot channel A method and apparatus are provided that allows beamforming to be used on a user-specific signal together with a sector-wide pilot signal in a communication system, such as a CDMA system. In one embodiment, the invention includes transmitting a pilot signal with a w... | 04/17/2007 |
| 7206293 | System and related methods for beamforming in a multi-point communications environment A system and related methods for beamforming in a multi-point communication environment is presented. According to one aspect of the invention, a method comprising identifying one or more target(s) for which a communication signal is intended, identifying one or mor... | 04/17/2007 |
