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| Number | Title | Issue Date |
| 8160536 | Broadcast receiver and method of processing data A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a known sequence detector, and a channel equalizer. The signal receiving unit repeats, when an operating mode of the broadcast receiver has b... | 04/17/2012 |
| 8060053 | Wireless LAN device and corrsponding method for power saving in wireless local area networks (WLAN) supporting peer to peer communications A wireless device (110) is provided for supporting peer to peer communications. A transceiver (132) is configured to receive and transmit data over a wireless link. A network activity sensor (136) is coupled to the transceiver and configured to ... | 11/15/2011 |
| 8005453 | Controlling the power in a wireless client device A system and method in a client device (22) for controlling the power within the client device (22). The client device (22) has a network access device (30, 130), a programmable timer (48), and a controller (42). The network... | 08/23/2011 |
| 7986933 | Method and system for wireless communications between base and mobile stations A method and system for wireless communications between base and mobile stations use reference signals transmitted from base stations prior transmission of data signals. The reference signals are used to determine propagation characteristics of communication channel... | 07/26/2011 |
| 7983650 | Wireless communication device and wireless communication system One embodiment of the invention provides a wireless communication device including: a wireless communication unit that wirelessly receives first power consumption information from a device, the first power consumption information including a plurality of data pieces... | 07/19/2011 |
| 7983651 | Communication apparatus, communication method and communication system A communication apparatus includes an image information acquisition unit configured to acquire new image information to be transmitted to a display terminal through a wireless access point, a storage unit configured to temporarily store the image information, a deci... | 07/19/2011 |
| 7979049 | Automatic filter control A method and apparatus for controlling the power consumption of a receiver based on current operating conditions is described herein. A receiver according to the present invention applies a received signal to a variable filter. The received signal includes a desired... | 07/12/2011 |
| 7945234 | Low duty cycle half-duplex mode operation with communication device Operating a communication device in a half-duplex mode using only overhead channels; and substantially free running a timing reference obtained during reception to allow a timing reference value to drift during transmission. ... | 05/17/2011 |
| 7917121 | Method of executing handover in broadband wireless access system The primitives between an upper management layer and the MAC layer within a mobile station and a base station are defined in order to specify and clarify the operations within the protocol stack layers in a broadband wireless access system to allow a mobile station ... | 03/29/2011 |
| 7912443 | Wake up device for communications system and methods The present invention teaches a communications system comprising a first communications device for receiving data and a wake up signal. The first communications device comprises an active mode of operation and a sleep mode of operation for reducing power consumption... | 03/22/2011 |
| 7912442 | Wake up device for communications system The present invention teaches a communications system comprising a first communications device for receiving data and a wake up signal. The first communications device comprises an active mode of operation and a sleep mode of operation for reducing power consumption... | 03/22/2011 |
| 7881694 | Cycled receiver for mobile wireless devices A wireless device (110) is provided for supporting extended battery life. A transceiver (132) is configured to receive and transmit data over a wireless link. A frame detection sensor (140) is coupled to the transceiver and configured to sense a... | 02/01/2011 |
| 7865167 | Digital video broadcast-terrestrial (DVB-T) receiver interoperable with a GSM transmitter in a non-interfering manner A method and a device used for displaying wideband information to a user has a return channel made through a cellular mobile terminal providing interactivity. The device includes a receiver for communicating in a first band of radio frequencies and a transmitter for... | 01/04/2011 |
| 7848729 | System and method for saving power consumption of sensor based on context information in wireless sensor network A system and method for saving sensor power consumption based on context information on a wireless sensor network are provided. Basic context information is received from inside and outside of a network system including at least one sensor, wherein context informati... | 12/07/2010 |
| 7822405 | Power saving in VoIP transmission apparatus, systems, and methods An apparatus, includes a wireless communication module (WCM) to communicatively couple to a wireless access point; and an automatic power-save delivery (APSD) state logic module to establish a dynamic configuration mechanism to change a U-APSD state affecting voice ... | 10/26/2010 |
| 7783277 | Low power rf control system A low power rf control system includes a controller that operates at a low clock speed when an associated rf receiver is deenergized and a high clock speed when the controller energizes the receiver. The receiver can be on for a short period, off for a short period ... | 08/24/2010 |
| 7693504 | Method for reduction of the power consumption of a mobile data memory; application of the method to an identification system with at least one read/write device and a mobile data memory The invention relates to a method for reduction of the power consumption of a mobile data memory with a non-contact data transmission by means of a read/write device. According to the invention, the mobile data memory, containing at least one energy store and user, ... | 04/06/2010 |
| 7680478 | Inactivity monitoring for different traffic or service classifications Different types of traffic requiring different inactivity timer settings are assigned to different bearers or to different QoS classes. Different inactivity timer settings are established for different traffic types. Individual bearers or individual QoS classes are ... | 03/16/2010 |
| 7664480 | Method of connecting to network in broadband wireless access system The primitives between an upper management layer and the MAC layer within a mobile station and a base station are defined in order to specify and clarify the operations within the protocol stack layers in a broadband wireless access system to allow a mobile station ... | 02/16/2010 |
| 7664479 | Receiver and method for scanning and receiving wake-up signals with multiple configurations A method for receiving first signals and further signals using a receiver, the first and further signals differing in at least one of the transmission parameters data rate, modulation type, wake-up criterion, synchronization and threshold value, comprises the steps ... | 02/16/2010 |
| 7657248 | Wireless LAN system, wireless LAN access point, wireless LAN terminal and activation control method for use therewith To provide a wireless system in which a terminal that is shutdown or on in standby can be activated from a remote site in an environment where connection is attested by an authentication server, using security technology for wireless LAN, a different encryption key ... | 02/02/2010 |
| 7610035 | System and method for controlling the power in a wireless client device A system and method in a client device (22) for controlling the power within the client device (22). The client device (22) has a network access device (30, 130), a programmable timer (48), and a controller (42). The network... | 10/27/2009 |
| 7596367 | System and method for standby mode in directional signal receiver A wireless receiver of a directional signal such as a 60 GHz signal can have a low power standby mode in which the linear oscillator (radio) portion of the receiver is deenergized. A DC detect circuit can detect the DC portion of an incoming signal, at which time th... | 09/29/2009 |
| 7596366 | System and method for controlling the power in a wireless client device A system and method in a client device (22) for controlling the power within the client device. The client device has a network access device (30, 130) and a controller (42). The network access device has at least a powered state and a power-off... | 09/29/2009 |
| 7590403 | Wireless device dormancy override A wireless device is disclosed. The wireless device includes a radio module and an application. The radio module is used to communicate data on a wireless network. The application is used to facilitate the transition of the radio module from an active state to a dor... | 09/15/2009 |
| 7567791 | Wireless terminal methods and apparatus for use in a wireless communications system that uses a multi-mode base station Wireless terminal for use with a multi-mode base station that supports a transmit standby mode and an active mode is described. Transmit standby mode of base station operation is a low power/low interference level of operation as compared to active mode. In transmit... | 07/28/2009 |
| 7515897 | Communication apparatus If a control section fails to detect a connectable device by Inquiry/Page_Scan before an OFF timer times out, the control section halts the Inquiry/Page_Scan. The control section keeps this state until time-out of an ON timer. Upon time-out of the ON timer, the cont... | 04/07/2009 |
| 7474887 | Method and system for reducing battery consumption in wireless transmit/receive units (WTRUs) employed in a wireless local area network/wireless wide area network (WLAN/WWAN) Method and system for reducing battery consumption during an active session wherein an access point (AP) transmits a wireless transmit/receive unit (WTRU) a packet information regarding packets in a queue waiting for transmission to the WTRU and when the packets are... | 01/06/2009 |
| 7474886 | Mobile communication device graceful shutdown system and method A method of gracefully shutting down a mobile device in operational relationship with one or more active components is provided. The method comprises monitoring the mobile device's status; forwarding a termination message to at least one of the active components, wh... | 01/06/2009 |
| 7471942 | System and method for increased battery saving during idle mode in a wireless communication system A method and information processing system for wirelessly transmitting at least one of a downlink channel descriptor and an uplink channel descriptor for reception by at least one wireless device (104). The method comprises selecting at least one transmission... | 12/30/2008 |
| 7457607 | Circuit and method for reducing mobile station receiver power consumption by dynamically controlling linearity and phase noise parameters A comparison is made in a number of scenarios of a current channel gain setting for a receiver to a threshold. If the current channel gain setting is less than the threshold, then current within at least a portion of the receiver is decreased. In one scenario, the c... | 11/25/2008 |
| 7440743 | IP telephone system for saving power of mobile telephone When the presence of an RF ID tag is detected by a contactless reader/writer, an information processing terminal causes a contactless reader/writer to set a state flag in the RF ID tag to a first state which indicates that a wireless LAN communication unit of the mo... | 10/21/2008 |
| 7437132 | Receiving device, semiconductor integrated circuit, transmitting/receiving device, transport apparatus portable transmitting/receiving device, communication system and receiving method A receiving device includes a receiver circuit for outputting a received signal as a reception electric field intensity signal, an operation control circuit for controlling an operation of the receiver circuit, and an intermittent reception control circuit for outpu... | 10/14/2008 |
| 7433670 | Delivery of buffered frames to power saving stations in wireless local area networks A method and apparatus for conveying priority of buffered frames to power saving stations in a Wireless Local Area Network (WLAN) including an Access Point (AP) and at least one power saving station is presented. The method and apparatus indicate to a station the pr... | 10/07/2008 |
| 7433669 | Method and system for performing data transmission process of an access point (AP) supporting power management of wireless local area network (WLAN) clients, and AP for performing the same A method and system or access point (AP) for performing a data transmission process supporting power management of wireless local area network (WLAN) clients comprises the steps of and means for performing the following functions, respectively: when data are receive... | 10/07/2008 |
| 7428404 | Communication apparatus with external activation of communications link Herein disclosed is a communication apparatus to be operative in combination with first and second external devices for respectively producing first and second information, comprising: first information receiving means for receiving the first information from the fi... | 09/23/2008 |
| 7415624 | System and method for saving power in a wireless network by reducing power to a wireless station for a time interval if a received packet fails an integrity check A method, an apparatus and a carrier medium storing instructions to implement the method. The method is in a first wireless station of a wireless network, and includes wirelessly receiving a signal corresponding to a packet wirelessly transmitted by a second wireles... | 08/19/2008 |
| 7412265 | Method and system for power-saving in a wireless local area network A method and system for power saving in a wireless LAN is disclosed, which uses the method of modifying the beacon frame body or broadcasting the schedule information frame. The medium access behavior of each station during the contention free period (CFP) and the c... | 08/12/2008 |
| 7412235 | System and method for fast detection of specific on-air data rate A system and method for fast detection of specific on-air data rates are disclosed which, in one example embodiment, enable endpoint devices in automatic meter reading (AMR) systems to quickly determine the existence of over-the-air information that is specifically ... | 08/12/2008 |
| 7408506 | Method and apparatus for conserving power on a mobile device through motion awareness An apparatus and method for conserving power on a mobile device through motion awareness. The method includes a motion model that receives location information from one or more receivers and an accelerometer. The motion model determines whether the mobile device is ... | 08/05/2008 |
