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Multiplex Communications > Duplex > Communication Over Free Space > Time Division

Time Division

Time Division patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

09/11/14 - 20140254438 - Method and apparatus for resource management, low-bandwidth user equipment, and user equipment
A method and an apparatus for resource management, and a low-bandwidth user equipment. The method for resource management includes: determining, according to a system downlink transmission bandwidth or according to a system downlink transmission bandwidth and a maximum downlink transmission bandwidth of a low-bandwidth user equipment, a downlink transmission resource...

09/11/14 - 20140254439 - Method and apparatus using modified subframes
The herein disclosed apparatus, systems, and methods use Almost Blank Subframes (ABS) to manage interference between D2D and WAN transmissions. In particular, an eNodeB is disclosed comprising a controller module operable to obtain an indicator of a need for a quiescent subframe, and to select responsively thereto a subframe of...

09/04/14 - 20140247758 - Method for configuring transmission resource, related device, and communication system
Embodiments of the present disclosure related to a method for configuring a transmission resource, a related device, and a communication system. The method for configuring a transmission resource includes: notifying, by an access device, a user equipment of an uplink-downlink configuration change period, where the uplink-downlink configuration change period is...

08/28/14 - 20140241219 - Method and apparatus for coexistence of peer to peer communication with lte wwan communication on downlink
A method, an apparatus, and a computer program product for wireless communication are provided. A UE for wireless communication determines resource elements, within at least one resource block in a downlink subframe, that carry reference signals from a base station. The UE maps at least one of data or control...

08/28/14 - 20140241220 - Method and apparatus for transmitting control channel depending on ue capability in intra-cell carrier aggregation system
A method and an apparatus for transmitting a control channel when cells have different duplex structures in an intra-cell carrier aggregation system are provided. The method of transmitting and/or receiving a control channel by an evolved Node B (eNB) in a wireless communication system includes receiving capability information of a...

08/28/14 - 20140241221 - Method for channel assignments in wireless systems
A wireless transmit/receive unit (WTRU) includes circuitry configured to receive first information from a wireless network, the first information indicating a first pattern of time intervals in which the WTRU is to monitor a plurality of control channels; not monitor the plurality of control channels in time intervals outside the...

08/28/14 - 20140241222 - Method and apparatus for transmitting control information in a wireless communication system
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method in which a terminal performs communication in a TDD-based wireless communication system having a plurality of CCs aggregated therein, the method comprising: a step of performing an uplink transmission or a downlink...

08/28/14 - 20140241223 - Radio communication system, radio base station apparatus, user terminal, and radio communication method
According to the present invention, even when the ratio between uplink subframes and downlink subframes is changed in each component carrier in TDD carrier aggregation, it is still possible to prevent a decrease in capacity. With the radio communication method according to the present invention, a radio base station apparatus...

08/21/14 - 20140233437 - Frame structure for filter bank multi-carrier (fbmc) waveforms
A unified frame structure for filter bank multi-carrier (FBMC) and orthogonal frequency division multiplexed (OFDM) waveforms may allow FBMC and OFDM frames to be communicated over a common channel without significant inter-frame gaps. The unified frame structure may set an FBMC frame duration to an integer multiple of an OFDM...

08/21/14 - 20140233438 - Electronic device, method and computer-readable medium
An electronic device, a method, and a computer-readable medium. The electronic device includes a circuitry configured to receive a radio communication signal for another device, configured to determine, based on the radio communication signal, one or more features that can reflect the difference between an uplink transmission mode and a...

08/21/14 - 20140233439 - Downlink-uplink configuration determination
Uplink and downlink traffic for a plurality of user equipments UEs in a cell is differentially weighted according to traffic type, and that weighted traffic total is used to select one uplink-downlink configuration for a radio frame from among A>1 possible uplink-downlink configurations. The weighting may use a priority factor...

08/14/14 - 20140226541 - Design for small cell demodulation reference signal and initial synchronization
Described herein is a system with a first network element and a second network element. The first network element contains a processor configured to synchronize with the second network element; and maintain synchronization with the second network element. The first network element is a small cell eNB and the second...

08/14/14 - 20140226542 - User equipment initiated discontinuous operation in a wireless communications network
An apparatus and method for initiating discontinuous reception (DRX) operation in a user equipment (UE) are disclosed herein. Applications running on the UE are monitored by the UE to identify one or more inactivity trigger events associated with the application(s). The UE includes an application-radio cross layer to process the...

08/14/14 - 20140226543 - Apparatus and method for transmitting ack/nack in tdd system
The present invention provides a method and apparatus for transmitting an ACK/NACK in a TDD system. A component carrier (CC) configuration for a user equipment (UE) and a transmission mode of each CC are received. An ACK/NACK feedback mode is selected based on an overhead status for feedback in an...

08/07/14 - 20140219142 - Agile duplexing wireless radio devices
Radio devices having separate transmission and reception reflectors for transmitting and receiving wireless signals that detect interference in a transmission channel and may be automatically or manually switch duplexing schemes when reflections, radar or other interference is detected. These devices typically include both a transmission antenna reflector and a receiving...

08/07/14 - 20140219143 - Selection of acknowledgment timing in wireless communications
Disclosed is a method including communicating, by a mobile device, with a base station via first and second component carriers having different frequency bands and time division duplexing (TDD) configurations. The method may include receiving one or more downlink transmissions via the second component carrier. The method may include selecting...

08/07/14 - 20140219144 - Method and aparatus for controlling performance in a radio node
Controlling performance in a Time Division Duplex (TDD) radio node is provided. The TDD radio node having multiple parallel branches and antennas for radio transmission of signals propagating through a transmit chain in each of the branches before emission from the antennas. A signal generator generates a signal that propagates...

07/31/14 - 20140211670 - Wireless network synchronization
Provided are various implementations of a wireless network synchronization solution. In one implementation, such a solution includes a mobile communication device including a receiver for use with the wireless network. The receiver is configured to receive a downlink communication from the wireless network, to detect a primary synchronization signal (PSS)...

07/31/14 - 20140211671 - Method and apparatus for transmitting control channel in intra-cell carrier aggregation system
The present disclosure relates to a method and an apparatus for transmitting a control channel in an intra-cell carrier aggregation system. The method includes establishing a connection with a base station through a Primary cell (Pcell) of a Time Division Duplex (TDD) scheme and a Secondary cell (Scell) of a...

07/31/14 - 20140211672 - Method, system, access point and computer program product for enhancing the usable bandwidth between of a telecommunications network and a user equipment
A method for enhancing usable bandwidth between an access point of a radio access network of a telecommunications network and a User Equipment of a subscriber of the telecommunications network, in which the User Equipment and the access point are configured to mutually communicate based on a standardized mobile communication...

07/24/14 - 20140204809 - Cell identity design for lte-advanced
A method for generating a synchronization signal is provided. The method comprises using a number other than 63 as an NZC value in a Zadoff-Chu sequence used in generating a primary synchronization signal for a wireless communication system, which may be a 3GPP LTE system or a 3GPP LTE-A system....

07/24/14 - 20140204810 - Aro values in pucch resource allocation for epdcch in tdd
Methods, apparatuses, and computer program products for defining ARO values in TDD are provided. One method includes defining acknowledgement (Ack)/negative acknowledgement (Nack) resource offset (ARO) values in time division duplex (TDD) with a first set of values and a second set of values. The first set of values contains negative...

07/24/14 - 20140204811 - Method for feeding back different uplink-downlink configuration ratios for lte-a tdd
Provided is a method for feeding back different uplink-downlink configuration ratios for LTE-A TDD. For an asymmetric uplink and downlink sub-frame in a carrier aggregation scenario, the uplink sub-frame of each component carrier only feeds back Ack/Nack of the downlink sub-frame PDSCH of the current carrier, not feeding back Ack/Nack...

07/24/14 - 20140204812 - Method and device for indicating control channel
Disclosed are a method and device for indicating a control channel. The method for indicating a control channel includes: channelization processing is performed on indication information indicating the control channel, wherein the control channel is a newly added control channel area or a control channel on a resource which is...

07/24/14 - 20140204813 - Method and apparatus for transceiving signals
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and to an apparatus for the method, wherein the method is configured such that a base station, in which cross-carrier scheduling through a first component carrier (CC) is set, transmits a downlink...

07/17/14 - 20140198689 - Apparatus and method for mixed signal spread spectrum receiving technique
An apparatus and method for mixed signal spread spectrum receiving and spectrum aggregation in a receiver having at least one antenna respectively receiving at least one signal are provided. The method includes modulating the at least one signal received by the receiver with at least one unique orthogonal pseudorandom (PN)...

07/17/14 - 20140198690 - Method of remapping hybrid automatic repeat request timeline in time division duplex uplink-downlink reconfiguration
A method of remapping Hybrid Automatic Repeat Request (HARQ) timeline in Time Division Duplex (TDD) uplink-downlink (UL-DL) reconfiguration, for a communication device in a wireless communication system is disclosed. The method includes being reconfigured from a first TDD UL-DL configuration in a first radio frame to a second TDD UL-DL...

07/10/14 - 20140192685 - Dynamic selection of spectrum access in a spectrum sharing context
Briefly, in accordance with one or more embodiments, a wireless system may be controlled to operate via time-division duplexing (TDD) in a first mode and operate via frequency-division duplexing (FDD) in a second mode. The mode of operation may be selected based at least in part on the available spectrum...

07/10/14 - 20140192686 - Methods and apparatus for multiple connectivity in a tdd system
A wireless communication system (14) comprises points that have time division duplex, TDD, configurations. Information is obtained indicating the TDD configuration of each of multiple points to which a particular wireless communication device (6) is simultaneously connected. Based on this obtained information, it is determined that one or more time-domain...

07/10/14 - 20140192687 - Method and apparatus for transmitting uplink control information in a wireless communication system
Disclosed are a method and apparatus for transmitting uplink control information in a wireless communication system. A method for transmitting uplink control information by a terminal in a wireless communication system may comprise the steps of: receiving, from a base station, information on a primary cell (Pcell) and at least...

07/10/14 - 20140192688 - Method for transmitting control information and apparatus for same
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and an apparatus for transmitting uplink control information in the wireless communication system, which supports carrier aggregation and operates by a TDD, and comprises the steps of: deciding HARQ-ACK bit numbers for...

07/03/14 - 20140185494 - Method and system for coexistence of multiple collocated radios
An apparatus may include a set of transceivers comprising three or more transceivers each operable to communicate via a wireless communications standard different from each other transceiver and a driver to output an enable signal when a first transceiver of the set of transceivers is active. The apparatus may also...

06/26/14 - 20140177484 - Multi- channel broadband re-configurable rf front end for software defined radio / cognitive radio
Multi-channel broadband re-configurable RF Front End for Software Defined Radio/Cognitive Radio. The RF front end helps improve spectrum sensing for better spectrum utilization. The RF front end comprising of multiple channels of reconfigurable transmitters and receivers, Tx/Rx switch, reference section, control section and power section is described. The RF front-end...

06/26/14 - 20140177485 - Method and apparatus for interference mitigation in time division duplex systems
Methods and apparatus at an evolved Node B (eNB) and user equipment (UE) in cells operating in time division duplex with a first configuration and having a neighbor cell eNB operating in time division duplex with a second configuration, the methods and apparatus: identifying potential eNB-to-eNB; UE-to-UE; eNB-to-UE; and UE-to-eNB...

06/26/14 - 20140177486 - Method and apparatus for identifying interference type in time division duplex systems
Methods and apparatus at an evolved Node B (eNB) and user equipment (UE) in cells operating in time division duplex with a first configuration and having a neighbor cell eNB operating in time division duplex with a second configuration, the methods and apparatus: identifying potential eNB-to-eNB; UE-to-UE; eNB-to-UE; and UE-to-eNB...

06/26/14 - 20140177487 - Override of multi-tti scheduling messages
The embodiments herein relate to a method in a network node (301) for handling scheduling of a wireless device (305) in a communications network (300). The network node (301) is adapted to communicate wirelessly with the wireless device (305) over a radio channel (310). The network node (301) determines that...

06/26/14 - 20140177488 - Method for user equipment transreceiving signal in wireless communication system
The present invention relates to a method for receiving a signal between a user equipment and a base station in a wireless communication system, and to an apparatus for same. More particularly, a method for the user equipment receiving the signal in the wireless communication system, which is operated by...

06/26/14 - 20140177489 - Carrier synchronization method, circuit, and system
Embodiments of the present invention provide a carrier synchronization method, circuit, and system. The method includes performing n times frequency multiplication on a received signal; performing narrowband filtering at least twice and rectangular wave shaping at least twice on the signal obtained after the n times frequency multiplication; and performing...

06/26/14 - 20140177490 - Radio base station and communication control method
An eNB 100-1 that performs radio communication by using the adaptive array control in the TD-LTE system: receives SRS utilized in the adaptive array control from a plurality of UEs 200; and performs an assignment for each subject downlink RBG, out of a plurality of downlink RBGs. The eNB assigns...

06/26/14 - 20140177491 - Base station, terminal, system and method for data transmitting in time-division duplex system
A base station, a terminal, a system and methods for performing data transmission in a Time Division Duplex (TDD) system are disclosed. One of the methods includes: the base station sending an uplink scheduling grant signaling to the terminal on a carrier m, and after receiving uplink data sent by...

06/26/14 - 20140177492 - Method of and apparatus for informing dynamic uplink and downlink configuration in heterogeneous network
The invention discloses a method and device, in a central processing unit of a control device of a pico cell or a macro cell of a heterogeneous network based upon a time division duplex system, for instructing a user equipment to perform dynamic uplink and downlink resource configuration. In the...

06/19/14 - 20140169238 - Method and apparatus for hybrid automatic repeat request operation in a heterogeneous network architecture
Methods, systems and apparatus are provided for camping, assisted serving cell addition or removal, and discontinuous reception (DRX) in networks having a macro cell and at least one assisted serving cell. In other aspects, enhancements to Layer 1 channels and uplink timing alignments are provided in networks having a macro...

06/19/14 - 20140169239 - System and method for terminal cooperation based on sparse multi-dimensional spreading
System and method embodiments are provided to achieve efficient Direct Mobile Communications (DMC) and device-to-device (D2D) communications for terminal based groups with improved spectrum efficiency, reduced interference, and virtual full duplex operation mode. The embodiments include a distributed mechanism for D2D communications that enables one or more cooperating UEs (CUEs)...

06/19/14 - 20140169240 - Access control method, user equipment, access network, and communications system
Embodiments of the present invention disclose an access control method, a user equipment, an access network, and a communications system. System information includes an uplink interference parameter and an access threshold. It is determined whether the uplink interference parameter is smaller than the access threshold. If the uplink interference parameter...

06/19/14 - 20140169241 - Radio base station and communication control method
An eNB assigns, to a UE, a pair of a PDSCH resource and a PUSCH resource that overlaps, in frequency band, with the PDSCH resource; and derives antenna weight that should be applied to the PDSCH resource, on the basis of a DMRS transmitted from the UE by using the...

06/19/14 - 20140169242 - Method for transmitting control information and apparatus for same
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting uplink control information in a wireless communication system that supports carrier aggregation and operates in a time division duplex (TDD) scheme, the method comprising a step of transmitting a hybrid...

06/12/14 - 20140161000 - Timing offset correction in a tdd vectored system
A method in a time-division duplex (TDD) transceiver coupled to a subscriber line, the method comprising receiving a discrete multitone (DMT) signal from a second transceiver after a period of inactivity on the subscriber line, wherein the DMT signal comprises a plurality of pilot tones, and determining a timing offset...

06/12/14 - 20140161001 - Resource allocation for flexible tdd configuration
There is determined a first uplink-downlink configuration for subframes in a frame, which in various examples is fixed or dynamically allocated. A second uplink-downlink configuration is semi-statically allocated such as in system information. When mapping automatic repeat request signaling for a first user equipment which is dynamically allocated an uplink-downlink...

06/12/14 - 20140161002 - Method and apparatus for operating supplementary cells in licensed exempt spectrum
A method and apparatus for operating supplementary cells in licensed exempt (LE) spectrum. An aggregating cell operating in a frequency division duplex (FDD) licensed spectrum is aggregated with a LE supplementary cell operating in a time sharing mode for uplink (UL) and downlink (DL) operations. The LE supplementary cell may...

06/12/14 - 20140161003 - Mechanism for enhancing power control in time division based communications
There is provided a mechanism for conducting power control in a time division based communication. Subframes of a frame structure of the time division based communication are classified into at two or more classification sets, each classification set comprising at least one subframe. For each of the classification sets, power...

06/05/14 - 20140153448 - Interference management for time division duplex operation
Communication systems may benefit from various interference management procedures. For example, uncoordinated time division duplex systems may benefit from flexible time division duplex operation that includes an interference management procedure that may be applicable to various carriers. A method may include determining a way in which a subframe in a...

06/05/14 - 20140153449 - Method and device for transmitting ack/nack in wireless communication system
Provided are a method and a device for transmitting an acknowledgement/not-acknowledgement (ACK/NACK) of a terminal which is set with a plurality of serving cells. The method comprises the steps of: receiving data in a subframe n of a second serving cell; and transmitting an ACK/NACK signal for the data in...

06/05/14 - 20140153450 - Method and apparatus for transmitting and receiving a signal of a terminal in a time division wireless communication system
A method of transmitting data for uplink coverage for improvement of a wireless communication system by a terminal improving uplink data transmission reliability so as to be capable of successful data transmission. A method for transmitting and receiving a signal of a terminal in a time division wireless communication system...

06/05/14 - 20140153451 - Method, system and apparatus for sending and receiving feedback information
The present invention relates to the technical field of wireless communication, particularly relates to a method, system and apparatus for sending and receiving feedback information, to be used for transmitting the feedback information after the aggregation of carriers with different time division duplex (TDD) uplink and downlink configurations. The method...

06/05/14 - 20140153452 - Method for transceiving data in a wireless access system, and base station and terminal for same
Disclosed are a method for transceiving data in a wireless access system, and a base station and terminal therefor. More particularly, the present invention relates to a method for transceiving data, and to a base station device for the method, wherein the method comprises the steps of: transmitting, in a...

06/05/14 - 20140153453 - Method and apparatus for limiting a downlink subframe in a tdd mode
The present description relates to a method and apparatus for limiting a downlink subframe in a time division duplex (TDD) mode. The method for limiting a downlink subframe in a TDD mode according to one embodiment of the present description enables a base station, which controls a cell operating in...

06/05/14 - 20140153454 - Method for resource management in a cellular communication network and resource management system
A method for resource management in a cellular communication network, wherein the network includes at least one base station per cell for a plurality of cells that operates in TDD (Time Division Duplex) transmission mode, wherein the base stations implement a respective UL/DL configuration mode in which frames are composed...