Patent application number | Description | Published |
20100322143 | Uplink Transmissions for Type 2 Relay - A method for providing user agent data. The method includes an access node receiving an indicator sent from a relay node as an indication that the relay node has received data from the user agent. | 12-23-2010 |
20100325506 | Downlink Transmissions for Type 2 Relay - A method for transmitting data to a user agent. The method includes a relay node receiving information from an access node, the information containing the data that is to be transmitted to the user agent and control information that the access node will use to transmit the data to the user agent. The method further includes the relay node transmitting the data to the user agent at the time the access node transmits the data to the user agent, the relay node using the control information that the access node uses to transmit the data to the user agent. | 12-23-2010 |
20110080864 | Relay Backhaul Link Quality Considerations For Mobility Procedures - A system including a processor configured to determine whether or not to perform a mobility procedure based at least in part on a backhaul link quality between a relay node and an access node. | 04-07-2011 |
20110081903 | Determining Link Quality For Networks Having Relays - A device configured to calculate a cell quality ranking criterion for a measured cell, wherein calculating is performed by taking into account at least a signal quality of a backhaul link between a relay node (RN) and an access node. The device may be one of a user equipment (UE), RN, an access node, and a component in a network. | 04-07-2011 |
20110170422 | SYSTEM AND METHOD FOR COORDINATED MULTI-POINT NETWORK OPERATION TO REDUCE RADIO LINK FAILURE - A system and method for implementing call handover (HO) is disclosed. A user equipment (UE) may be configured to communicate with a wireless communication network. The UE is configured to transmit a measurement report to at least one of a serving cell and at least one cell of a coordinated multi-point (CoMP) cell set. The UE is configured to listen for an HO command from a serving cell. The HO command identifies a target cell. The UE is configured to detect a radio link failure between the UE and the serving cell, listen for an HO command from a first cell in the CoMP cell set for a first time duration, and, when an HO command is received from the first cell in the CoMP cell set within the first time duration, perform handover to the target cell identified in the HO command. | 07-14-2011 |
20110170516 | SYSTEM AND METHOD FOR COORDINATED MULTI-POINT NETWORK OPERATION TO REDUCE RADIO LINK FAILURE - A system and method for implementing call handover (HO) is disclosed. A user equipment (UE) is configured to communicate with a wireless communication network. The UE is configured to transmit a measurement report to at least one of a serving cell and at least one cell of a coordinated multi-point (CoMP) cell set. The UE is also configured to listen for control channel transmissions from at least one of the serving cell and a first cell in the CoMP cell set, receive a resource allocation from at least one of the serving cell and the first cell in the CoMP cell set, and receive an HO command jointly from the serving cell and the first cell in the CoMP cell set. The HO command identifies a target cell. The UE is also configured to perform handover to the target cell identified in the HO command. | 07-14-2011 |
20110199985 | SYSTEM AND METHOD FOR INTRA-CELL FREQUENCY REUSE IN A RELAY NETWORK - A method for communicating using a wireless communication network is presented. The method may include receiving a channel quality indicator (CQI) from a first UE. The first UE is served by a base station. The CQI characterizes a channel quality between the first UE and the base station when the base station transmits at a high power. A first modulation and coding scheme (MCS) may be determined for when the base station transmits at a low power based on the received CQI. When the spectrum efficiency of the first MCS is equal to or higher than the spectrum efficiency of a pre-determined MCS, first UE may be communicated with using a low power transmission. In some cases, a physical downlink control channel (PDCCH) downlink control information (DCI) message is transmitted to the first UE to identify a power spectral density (PSD) level. | 08-18-2011 |
20110223900 | Supplemental Node Transmission Assistance in a Wireless Communications Network - Supplemental node transmission assistance in a wireless network provides for transmissions between a wireless network and wireless user equipment in a first direction using a serving node of the wireless network while providing for transmissions between the wireless network and wireless user equipment in a second direction using a supplemental node of the wireless network. The supplemental node is selected based on providing better channel conditions between the network and the user equipment in the second direction than the serving node. The supplemental node thus provides transmission assistance for the serving node in order to provide the best available downlink and uplink communications between the user equipment and the network. | 09-15-2011 |
20120127880 | Supplemental Node Transmission Assistance in a Wireless Communication Network - Supplemental node transmission assistance in a wireless network provides for transmissions between a wireless network and wireless user equipment in a first direction using a serving node of the wireless network while providing for transmissions between the wireless network and wireless user equipment in a second direction using a supplemental node of the wireless network. The supplemental node is selected based on providing better channel conditions between the network and the user equipment in the second direction than the serving node. The supplemental node thus provides transmission assistance for the serving node in order to provide the best available downlink and uplink communications between the user equipment and the network. | 05-24-2012 |
20130242854 | SYSTEM AND METHOD FOR INTRA-CELL FREQUENCY REUSE IN A RELAY NETWORK - A method for communicating using a wireless communication network is presented. The method may include receiving a channel quality indicator (CQI) from a first UE. The first UE is served by a base station. The CQI characterizes a channel quality between the first UE and the base station when the base station transmits at a high power. A first modulation and coding scheme (MCS) may be determined for when the base station transmits at a low power based on the received CQI. When the spectrum efficiency of the first MCS is equal to or higher than the spectrum efficiency of a pre-determined MCS, first UE may be communicated with using a low power transmission. In some cases, a physical downlink control channel (PDCCH) downlink control information (DCI) message is transmitted to the first UE to identify a power spectral density (PSD) level. | 09-19-2013 |
20140016451 | PHASE-ROTATED REFERENCE SIGNALS FOR MULTIPLE ANTENNAS - Systems, methods, and apparatuses for phase-rotated reference signals are provided. In accordance with one implementation, phase-rotated reference signals are transmitted from multiple transmit antennas on the same reference signal (RS) resource elements. The receiver may determine channel coefficients for links corresponding to the multiple antennas, based on the received signals at the RS resource elements. Time-domain filtering or frequency-domain orthogonal codes may be used to determine the channel coefficients for links corresponding to the multiple antennas. The phase-rotation information may be broadcasted in a system information block (SIB) message or signaled in a radio resource control (RRC) message. | 01-16-2014 |
20140016681 | PHASE-ROTATED REFERENCE SIGNALS FOR MULTIPLE ANTENNAS - Systems, methods, and apparatuses for phase-rotated reference signals are provided. In accordance with one implementation, phase-rotated reference signals are transmitted from multiple transmit antennas on the same reference signal (RS) resource elements. The receiver may determine channel coefficients for links corresponding to the multiple antennas, based on the received signals at the RS resource elements. Time-domain filtering or frequency-domain orthogonal codes may be used to determine the channel coefficients for links corresponding to the multiple antennas. The phase-rotation information may be broadcasted in a system information block (SIB) message or signaled in a radio resource control (RRC) message. | 01-16-2014 |
20140078952 | INITIATION OF INTER-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEMS - Systems, methods, and apparatuses for initiation of inter-device communication in wireless communication systems are provided. Both a user equipment (UE) and a network entity may initiate a direct inter-device communication link between UEs located in proximity. The UE may simultaneously maintain an active communication link with its serving base station while communicating with other UEs over the inter-device communication link. Long term evolution (LTE) downlink or uplink radio resources may be used for communications over the inter-device communication link. | 03-20-2014 |
20140078971 | DEVICE HANDSHAKE/DISCOVERY FOR INTER-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEMS - Systems, methods, and apparatuses for inter-device communication in wireless communication systems are provided. A user equipment (UE) may initiate a direct inter-device communication link between UEs located in proximity. The UEs participating in the inter-device communications may perform a device handshake procedure or a device discovery procedure to set up appropriate transmission parameters for the communication over the inter-device communication link. A device-to-device radio network temporary identification (DD-RNTI) may be used for the inter-device communication link. Long term evolution (LTE) downlink or uplink radio resources may be used for communications over the inter-device communication link. | 03-20-2014 |
20140086152 | INTER-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEMS - Systems, methods, and apparatuses for inter-device communication in wireless communication systems are provided. A user equipment (UE) may communicate directly with another UE over a direct inter-device communication link when they are located in proximity. The UE may simultaneously maintain an active communication link with its serving base station while communicating with other UEs over the inter-device communication link. Long term evolution (LTE) downlink or uplink radio resources may be used for communications over the inter-device communication link. Further, radio link parameters may be chosen specifically for the inter-device communication link. | 03-27-2014 |
20140086153 | USER EQUIPMENT ARCHITECTURE FOR INTER-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEMS - User equipment (UE) architecture for inter-device communication in wireless communication systems is provided. A UE may communicate directly with another UE over a direct inter-device communication link when they are located in proximity. Long term evolution (LTE) downlink or uplink radio resources may be used for communications over the inter-device communication link. The UE may simultaneously maintain an active communication link with its serving base station while communicating with other UEs over the inter-device communication link. To communicate with the base station and other UEs simultaneously, the UE may include additional transmit or receive chain to support the inter-device communications over the inter-device communication link. | 03-27-2014 |
20140086157 | TRANSMIT POWER ADJUSTMENT FOR INTER-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEMS - Systems and methods for user equipment (UE) transmit power adjustment for inter-device communication in wireless communication systems are provided. A UE may communicate directly with another UE over a direct inter-device communication link when they are located in proximity. The UE may adjust its transmit power for the inter-device communication during a device handshake/discovery procedure. For example, the UE may adjust its transmit power for the inter-device communication based on a data exchange between the UE and the other UE over the inter-device communication link. Long term evolution (LTE) downlink or uplink radio resources may be used for the data exchange over the inter-device communication link. | 03-27-2014 |
20140106707 | INTER-DEVICE COMMUNICATION AUTHORIZATION AND DATA SNIFFING IN WIRELESS COMMUNICATION SYSTEMS - Systems and methods for user equipment (UE) for inter-device communication authorization and data sniffing in wireless communication systems are provided. A UE may communicate directly with another UE over a direct inter-device communication link when they are located in proximity. The UE may receive data sniffing related parameters corresponding to the inter-device communication link from a network entity, e.g. a mobile management entity (MME). The UE may store data exchanged over the inter-device communication link in a buffer and upload the stored data to a secure server in a network periodically or upon receiving a request from the network. Long term evolution (LTE) downlink or uplink radio resources may be used for the data exchange over the inter-device communication link. | 04-17-2014 |