Patent application number | Description | Published |
20080232487 | Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA signaling - A system and method for synchronous spectrum sharing for a dedicated network in a wireless communication system based on orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) signaling is disclosed. The system and method includes detecting a frame of a broadcast waveform and extracting idle spectrum information from a subframe associated with the dedicated subchannel to the secondary user node. The system allows transmitting data from the secondary user node in unused symbol slots identified in the idle spectrum information thereby making efficient use of unused or idle spectrum. Accordingly, secondary users of the wireless communication system can dynamically form ad-hoc mesh network communications in fixed or mobile scenarios. | 09-25-2008 |
20090137251 | Calculation and broadcast of cell-load ratio and intelligent cell selection for IEEE802.16M - A method for data transmission, contemplates calculating a cell-load ratio by: | 05-28-2009 |
20090143089 | Apparatus and method for performing an expedited handover using a dedicated ranging channel in a wireless network - A wireless network comprising a plurality of base stations capable of communicating with a plurality of mobile stations, wherein a serving base station is operable to serve a mobile station and a target base station is operable to transmit to the mobile station a message identifying a ranging slot dedicated to the mobile station. The target base station receives a ranging code from the mobile base station before the target base station receives a ranging request message from the mobile station. In an embodiment, the ranging slot may be an exclusive ranging slot dedicated to two or more mobile stations. | 06-04-2009 |
20090279466 | Flexible sleep mode for advanced wireless systems - A base station capable of wireless communication with a plurality of subscriber stations within a coverage area of a network, where the base station is capable of transmitting, to a subscriber station, a traffic indication message with an indicator value, wherein the indicator value is used by both the base station and the subscriber station to dynamically adjust the length of the next discontinuous reception (DRX) cycle in an absence of an explicit signaling message from the base station. | 11-12-2009 |
20100002720 | Effective idle mode for advanced wireless system - A wireless communication network comprising a plurality of paging controllers capable of communication with a plurality of base stations within a coverage area of the network, wherein at least one of the plurality of paging controllers is capable of, if a mobile station within a paging area requests to enter idle mode, assigning a temporary paging identification to the mobile station, and transmitting the temporary paging identification to a base station in communication with the mobile station, wherein the temporary paging identification is used by the base station to determine an index of a paging opportunity or frame in a paging cycle to transmit a paging message for the mobile station. | 01-07-2010 |
20100067593 | Method and Apparatus for Transmitting and Receiving Control Information in a Wireless Communication System - A base station transmits control information to a mobile station. A first control channel is transmitted to the mobile station. The first control channel contains an indication of the number of control channel occurrences in a frame. A second control channel is transmitted to the mobile station in a control subframe. The second control channel contains information for communicating a packet between the base station and the mobile station. The control subframe is determined from the number of control channel occurrences in the frame. The packet can then be communicated between the base station and the mobile station in a subframe based on the control channels transmitted. | 03-18-2010 |
20100248749 | System and Method for Low Overhead Paging in a Wireless Communications System - A system and method for low overhead paging in a wireless communications system is provided. A method for controller operation includes generating a compressed map, receiving an incoming call intended for a communications device, and broadcasting the compressed map to communications devices served by the controller. The compressed map includes indications of paging groups of the controller. | 09-30-2010 |
20100284367 | System and Method for Handovers in a Multi-Carrier Wireless Communications System - A system and method for handovers in multi-carrier wireless communications systems is provided. A method for communications device operation includes computing a bandwidth requirement, transmitting a handover request to a server controller, receiving a response responsive to the handover request, and in response to determining that the handover request was granted, initiating a handover. The handover request includes the bandwidth requirement. | 11-11-2010 |
20100315957 | System and Method for Multiple Relay Node Operation in a Communications System - A system and method for multiple relay node operation in a communications system are provided. A method for communications controller operation includes receiving a report from a communications node served by a communications controller, the report includes channel measurements of channels between the communications node and neighboring communications devices, establishing a cooperative operation for the communications node with communications devices neighboring the communications node based on the received report, and transmitting information to communications devices in the cooperative operation. The neighboring communications devices in the cooperative operation forward the information to the communications node. | 12-16-2010 |
20120213116 | Method and Apparatus for Interference Identification on Configuration of LTE and BT - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by estimating and identifying Bluetooth component interference activation when configuring LTE and non-LTE components to provide an in-device coexistence operation mode. | 08-23-2012 |
20120213162 | Method and Apparatus for Avoiding In-Device Coexistence Interference with Preferred Frequency Notification - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by providing preferred frequency solutions for the in-device coexistence system. | 08-23-2012 |
20120214489 | Method and Apparatus for Avoiding In-Device Coexistence Interference with Keeping Time Update for Handover - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by providing coexistence mode handover procedures which establish an updateable “keeping time” parameter to prevent premature switch back or handover to an interfering network node after handoff. | 08-23-2012 |
20130114515 | Access Procedures for In-Device Coexistence Interference Avoidance - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies by allocating random access channel preambles to include one or more dedicated access preambles to be sued for sending IDC interference indication messages over a random access channel (RACH) to a radio access network. In response, the radio network provides control parameters and/or instructions for avoiding interference in a random access response message corresponding to the IDC interference indication message using one or more fields in the MAC subheader and payload fields of a designated IDC MAC PDU message. | 05-09-2013 |
20130114516 | Random Access Channel Procedures for In-Device Coexistence Interference Avoidance - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies by allocating random access channel preambles to include one or more dedicated access preambles to be sued for sending IDC interference indication messages over a random access channel (RACH) to a radio access network. In response, the radio network provides control parameters and/or instructions for avoiding interference in a random access response message corresponding to the IDC interference indication message using one or more fields in the MAC subheader and payload fields of a designated IDC MAC PDU message. | 05-09-2013 |
20130223391 | Method and Apparatus for Avoiding In-Device Coexistence Interference - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by controlling and separating the LTE signaling and the non-LTE signaling using dedicated time intervals to separate LTE signaling from non-LTE signaling. In addition, coexistence mode handover procedures are provided which use threshold-based triggering events to avoid coexistence interference and to prevent ping-pong effects by establishing a “keeping time” parameter so that a non-interfering network node does not switch back to an interfering network node after handoff. Coexistence interference is also avoided by providing a hybrid automatic repeat request (HARQ) mechanism which accounts for coexistence interference by providing a fixed or variable on-interval parameter and an activity parameter indicating whether non-LTE activity is present to maximize a time interval for non-LTE devices without interference from LTE activity on the same device. | 08-29-2013 |
20130242860 | PHYSICAL LAYER FEEDBACK FOR IN-DEVICE COEXISTENCE INTERFERENCE MITIGATION - Systems, apparatuses, and methods for transmitting IDC information on a physical uplink channel are provided. A described technique includes identifying, at a user equipment (UE), in-device coexistence (IDC) interference, and transmitting, to a base station, an IDC indicator or selected IDC solution identifying the IDC interference on a physical layer uplink channel. | 09-19-2013 |
20130242919 | Method and Apparatus for Avoiding In-Device Coexistence Interference - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by controlling and separating the LTE signaling and the non-LTE signaling using dedicated time intervals to separate LTE signaling from non-LTE signaling. In addition, coexistence mode handover procedures are provided which use threshold-based triggering events to avoid coexistence interference and to prevent ping-pong effects by establishing a “keeping time” parameter so that a non-interfering network node does not switch back to an interfering network node after handoff. Coexistence interference is also avoided by providing a hybrid automatic repeat request (HARQ) mechanism which accounts for coexistence interference by providing a fixed or variable on-interval parameter and an activity parameter indicating whether non-LTE activity is present to maximize a time interval for non-LTE devices without interference from LTE activity on the same device. | 09-19-2013 |
20140031036 | Method and Apparatus for Avoiding In-Device Coexistence Interference - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by controlling and separating the LTE signaling and the non-LTE signaling using dedicated time intervals to separate LTE signaling from non-LTE signaling. In addition, coexistence mode handover procedures are provided which use threshold-based triggering events to avoid coexistence interference and to prevent ping-pong effects by establishing a “keeping time” parameter so that a non-interfering network node does not switch back to an interfering network node after handoff. Coexistence interference is also avoided by providing a hybrid automatic repeat request (HARQ) mechanism which accounts for coexistence interference by providing a fixed or variable on-interval parameter and an activity parameter indicating whether non-LTE activity is present to maximize a time interval for non-LTE devices without interference from LTE activity on the same device. | 01-30-2014 |
20140036745 | HANDLING IN-DEVICE COEXISTENCE INTERFERENCE - A wireless access node sends an information element to user equipment, where the information element settable to corresponding values indicating support for multiple different solutions to address in-device coexistence (IDC) interference at the user equipment. The multiple different solutions cause respective modifications of wireless communication behavior at the user equipment. | 02-06-2014 |
20140038621 | HANDLING IN-DEVICE COEXISTENCE INTERFERENCE - A user equipment is able to transmit, to a wireless access node, an indication of in-device coexistence (IDC) interference between the wireless interfaces. The user equipment can include a counter to track a number of transmissions having the indication of IDC interference. | 02-06-2014 |
20140071904 | Resource Block Indication and Allocation for In-Device Coexistence Interference Avoidance - A method is provided for reducing radio frequency interference between a first device and a second device co-located on a UE. The method comprises transmitting, by the UE, to a network element, responsive to the UE detecting IDC interference between the first device and the second device, an output power level of the first device, an amount of de-sense experienced by the second device, and information regarding a plurality of RBs on which the UE requests to perform an uplink transmission. | 03-13-2014 |
20140141824 | COMMUNICATING INFORMATION RELATING TO IN-DEVICE COEXISTENCE INTERFERENCE - A user equipment calculates a parameter based on a power of in-device coexistence (IDC) interference. The user equipment sends, to a network node, the parameter for use in configuring a threshold relating to the IDC interference. | 05-22-2014 |
20140141825 | COMMUNICATING IN-DEVICE COEXISTENCE INTERFERENCE ASSISTANCE INFORMATION - A user equipment receives control information relating to selecting one or more of plural options to use for delivery of assistance information including at least one parameter relating to setting a threshold for in-device coexistence (IDC) interference. The user equipment sends, to the wireless access network node, a message containing the IDC interference assistance information, according to the control information. | 05-22-2014 |
20140198672 | WAITING TIME PARAMETER FOR IN-DEVICE COEXISTENCE INTERFERENCE SOLUTION - A user equipment receives, from a wireless access network node, a waiting time parameter indicating an amount of waiting time relating to provision, by the wireless access network node, of a solution for in-device coexistence (IDC) interference at the user equipment. | 07-17-2014 |
20140287771 | Method and Apparatus for Avoiding In-Device Coexistence Interference with Preferred Frequency Notification - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by providing preferred frequency solutions for the in-device coexistence system. | 09-25-2014 |
20140301361 | COMMUNICATING AN INDICATION RELATING TO IN-DEVICE COEXISTENCE INTERFERENCE - A user equipment (UE) sends, to a wireless access network node, an indication for indicating whether a transmission component causing in-device coexistence (IDC) interference in the UE is active or inactive. | 10-09-2014 |
20140302784 | METHOD AND APPARATUS FOR PROXIMITY DISCOVERY FOR DEVICE-TO-DEVICE COMMUNICATION - A method, network node, and user equipments for providing parameters to a first user equipment served by the network element, the parameters describing at least a second user equipment for the purpose of the first user equipment initiating a device to device proximity discovery service with the second user equipment, the method collecting information for user equipments desiring device to device proximity discovery; creating a candidate user equipment list for a candidate tier based on the collected information at the network element, wherein each candidate tier comprises one or more thresholds based on timing advance values in use at the first or the at least the second user equipment; and providing the parameters describing at least a second user equipment to the first user equipment. | 10-09-2014 |
20140328182 | CONTROLLING DATA OFFLOAD IN RESPONSE TO FEEDBACK INFORMATION - A first wireless access network node receives feedback information from a second wireless access network node that performs data offload for the first wireless access node. The feedback information relates to one or more of a radio resource usage, a buffer condition, a hardware resource usage or a link quality. In response to the feedback information, the first wireless access network node performs control of the data offload. | 11-06-2014 |
20150079906 | Temporary Identifiers and Expiration Values for Discoverable User Equipments (UEs) - A temporary identifier is assigned to a discoverable user equipment (UE) in an assignment, an expiration value is assigned to the assignment, and the temporary identifier and the expiration value are associated to a long-term identifier of the discoverable UE. The temporary identifier and an indication of the expiration value are provided to the discoverable UE. The temporary identifier and an indication of the expiration value are provided to a discovering UE responsive to receipt of an inquiry including the long-term identifier of the discoverable UE The discoverable UE broadcasts the temporary identifier. If the broadcast is heard by the discovering UE, the discovering UE may identify that the broadcast is from the discoverable UE, based on the association of the long-term identifier to the temporary identifier. | 03-19-2015 |