FREE patent keyword monitoring and additional FREE benefits. http://images1.freshpatents.com/images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
FreshPatents.com Logo    FreshPatents.com icons
Monitor Keywords Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents


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.

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...

05/29/14 - 20140146720 - Control channel resource allocation method and apparatus
Embodiments of the present invention disclose a control channel resource allocation method and apparatus, where the control channel resource allocation method includes: determining a VRB number corresponding to a first physical downlink control channel or a serial number of the first CCE for the first physical downlink control channel to...

05/22/14 - 20140140251 - Data transmission method and device in carrier aggregation system
Disclosed are a data transmission method and device in a carrier aggregation system, used for realizing the data transmission of UE which does not support uplink and downlink transmission simultaneously in a carrier aggregation system which uses different TDD uplink and downlink configurations. The data transmission method in a carrier...

05/15/14 - 20140133369 - Method and apparatus for operation with carrier aggregation of time division duplex cells
According to the network-side teachings herein, transmission adaptations taken with respect to a secondary serving cell provide improved operation in the context of serving a half-duplex wireless device having a carrier aggregation configuration involving primary and secondary cells with different Time Division Duplex (TDD) uplink/downlink configurations. Transmission adaptations are taken...

05/15/14 - 20140133370 - Pucch resource determination for epdcch
Methods, systems, and devices are described for indexing control channel elements to determine uplink channel resources. Downlink control messages may be monitored in a set of downlink subframes. The monitoring may include monitoring physical downlink control channel (PDCCH) messages in at least one of the subframes and monitoring enhanced physical...

05/15/14 - 20140133371 - Apparatus for transmitting and receiving downlink control information in a wireless access system and method thereof
Disclosed are an apparatus for transmitting and receiving downlink control information in a TDD (time division duplex) wireless access system and method thereof. The present invention includes performing a blind decoding on a transmitting region of e-PDCCH (enhanced physical downlink control channel) transmitted by being multiplexed with PDSCH (physical downlink...

05/08/14 - 20140126432 - Methods and apparatus for enabling peer-to-peer (p2p) communication in lte time division duplex (tdd) system
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a configuration indicating multicast broadcast single frequency network (MBSFN) subframes within a radio frame. The configuration indicates a number of symbols of an MBSFN subframe for receiving a wide area network (WAN) control...

05/08/14 - 20140126433 - 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: receiving periodic information for reporting...

05/08/14 - 20140126434 - Method and apparatus for transmitting and processing control information in time division duplex system using multi-component carrier
Provided is a method and apparatus for scheduling subframes of two component carriers (CCs) in a time division duplex (TDD) system using a multi-CC....

05/08/14 - 20140126435 - Method and apparatus for supporting communication in pico networks
Techniques for extending coverage of a wireless communication network (e.g., a cellular network) to indoor and other locations are described. A wireless device may communicate with a base station in a wireless network via downlink and uplink frequency channels in a licensed frequency band using frequency division duplexing (FDD). The...

05/01/14 - 20140119246 - Systems and methods for carrier aggregation
A User Equipment (UE) for performing carrier aggregation is described. The UE includes a processor and instructions stored in memory that is in electronic communication with the processor. The UE determines an uplink control information (UCI) transmission cell in a wireless communication network with at least one frequency-division duplexing (FDD)...

05/01/14 - 20140119247 - Adaptive maintenance of uplink time alignment
A method for wireless communication is disclosed. A time alignment timer is started. It is determined when the time alignment timer will expire. A time alignment request subframe that is prior to the time alignment timer expiring is identified. Uplink time alignment is requested in the time alignment request subframe....

05/01/14 - 20140119248 - Method and apparatus for controlling data traffic in a tdd system that uses multi-component carriers
The present invention relates to a method and apparatus for controlling data traffic in a time-division duplex (TDD) system that uses multi-component carriers. The method for controlling data traffic in a TDD system that uses multi-component carriers according to one embodiment of the present invention comprises the steps of: a...

05/01/14 - 20140119249 - Method and apparatus for transmitting and receiving signals in wireless communication system
An apparatus and a method for allocating resources for transmitting an HARQ ACK/NACK signal for a downlink subframe using a PUCCH format 3 in a time division duplex (TDD) system using a single carrier are provided. Since the resources are allocated through a resource indicator transmitted using a power control...

04/24/14 - 20140112215 - Wireless communication system
A technique for enabling utilization of a one-way link in wireless communication systems of the type using whitespaces is disclosed. A wireless communication system (1) is arranged to include a transmitting station (10) which transmits data by wireless communication and receiving stations (21-22) which receive data as sent thereto, for...

04/24/14 - 20140112216 - Method and apparatus for controlling inter-cell interference in wireless communication system
The present invention pertains to a wireless communication system, and more particularly, to a method for transmitting an uplink (UL) signal in a time division duplex (TDD) wireless communication system and an apparatus therefor, and the method comprises the following steps: receiving information limiting UL transmission activity from a serving...

04/24/14 - 20140112217 - Method and apparatus for communication in tdd system
Provided are a method and an apparatus for communication in a TDD (Time Division Duplex) system. A terminal is notified of a change in a first UL-DL setup from a base station during a first change period and receives a second UL-DL setup updated during a second change period. The...

04/24/14 - 20140112218 - Method for implementing hybrid automatic repeat request, user equipment, and base station
Embodiments of the present invention provide a method for implementing hybrid automatic repeat request, a user equipment, and a base station. The method includes: determining first indication information and second indication information separately according to feedback information of each downlink subframe of a primary cell and that of a secondary...

04/24/14 - 20140112219 - Data transmission method based on cross-carrier scheduling, user equipment, and base station
Embodiments of the present invention provide a data transmission method based on cross-carrier scheduling. The method includes: determining a first downlink subframe according to a timing relationship of an uplink HARQ of a reference uplink and downlink configuration, where the first downlink subframe is used to indicate timing of sending...

04/17/14 - 20140105075 - Base station and method for configuring sub-frames for relay-node operations
A frame structure for support of large delay spread deployment scenarios (e.g., cellular system operation in large cell sizes or low frequency bands) is generally presented. In this regard a method is introduced comprising partitioning a radio frame into a plurality of equal-sized (or non-equal-sized) sub-frames to simplify system implementation....

04/17/14 - 20140105076 - Method for transmitting control information and apparatus therefor
The present invention relates to a wireless communication system. In more detail, the present invention relates to a method and device for transmitting uplink control information in a wireless communication system that supports carrier merging and operates in TDD, and the method comprises the following steps: receiving at least one...

04/17/14 - 20140105077 - Time division duplex tdd communication method, base station, and user equipment
The present invention discloses a time division duplex TDD communication method, including: reserving, by a base station, in a second subframe, acknowledgment channel resources for each subframe in a first subframe set, where acknowledgement channel resources reserved for at least two subframes in the first subframe set completely or partly...