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Uplink patents



      
           
This page is updated frequently with new Uplink-related patents. Subscribe to the Uplink RSS feed to automatically get the update: related Uplink RSS feeds.

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Date/App# patent app List of recent Uplink-related patents
04/17/14
20140106810
 Method and apparatus to improve the robustness of a wireless communication link patent thumbnailMethod and apparatus to improve the robustness of a wireless communication link
A method and apparatus to improve the robustness of a wireless communication link between a base station and a mobile communication device. The method increases power selectively on portions of an uplink communication signal transmitted from the mobile communication device to the base station.
04/17/14
20140106802
 Method and system for uplink joint scheduling patent thumbnailMethod and system for uplink joint scheduling
An embodiment method for performing joint scheduling in a cluster of base stations (bss) of a wireless network includes receiving coarse scheduling information pertaining to external bss and performing joint scheduling for the instant cluster of bss such that a sum utility is maximized. The sum utility includes an out-of-cluster utility component representing interference observed by the external bss as a result of the joint scheduling.
04/17/14
20140106774
 Second node, positioning node and methods therein patent thumbnailSecond node, positioning node and methods therein
Some embodiments herein disclose a method in a second node (12,13) for performing a positioning measurement on at least uplink signals transmitted by a wireless device (10) served by a first node (12) in a wireless communication network (1). The second node (12,13) obtains information related to a non-contiguous uplink configuration associated with a carrier frequency, wherein the non-contiguous uplink configuration further comprises one or more multi-cluster uplink transmissions from the wireless device (10).
04/17/14
20140106707
 Inter-device communication authorization and data sniffing in wireless communication systems patent thumbnailInter-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.
04/17/14
20140105193
 Methods and arrangements in a radio communication system patent thumbnailMethods and arrangements in a radio communication system
The present invention relates to uplink transmissions and scheduling of resources for uplink transmissions in connection with packet switched communication. A radio communication network schedules time slots for transmission of bursts of a first radio block on at least two different uplink packet data channels and transmits an uplink state flag, associated with a mobile station for which the first radio block was scheduled, on a first downlink packet data channel representing a first subperiod within a basic uplink period.
04/17/14
20140105191
 Method of transmitting control information and device for same patent thumbnailMethod of transmitting control information and device for same
The present invention relates to a wireless communication system. In more detail, a method for performing harq (hybrid automatic repeat request) retransmission by a communication device in a wireless communication system, the method comprising: initially transmitting a data block to a base station (bs); attempting pdcch (physical downlink control channel detection) in a predetermined time interval including a plurality of subframes after transmission of an uplink channel signal; and retransmitting the data block when a pdcch signal indicating retransmission of the data block is detected in the predetermined time interval, wherein reception of a phich (physical hybrid arq indicator channel) corresponding to initial transmission of the data block is skipped..
04/17/14
20140105183
 Method and apparatus for performing network reentry in wireless communication system patent thumbnailMethod and apparatus for performing network reentry in wireless communication system
A method for performing network reentry by a machine to machine (m2m) device in a wireless communication system is provided. In the method, the m2m device receives information associated with an uplink resource for transmitting a ranging request message from a base station and transmits the ranging request message to the base station based on the received information associated with the uplink resource.
04/17/14
20140105169
 Uplink synchronization processing method, user equipment, and base station patent thumbnailUplink synchronization processing method, user equipment, and base station
An uplink synchronization processing method, a user equipment (ue), and a base station are provided. The method includes: receiving a component carrier (cc) uplink synchronization indication message sent by a base station, where the uplink synchronization indication message carries identification information of one or multiple newly configured ccs; sending synchronization signaling to the base station when knowing that the uplink synchronization needs to be executed on all or a part of the one or multiple newly configured ccs corresponding to the identification information; and receiving a time advanced (ta) adjusting message that is sent by the base station according to the synchronization signaling, and applying a ta value carried in the ta adjusting message to the cc on which the uplink synchronization needs to be executed..
04/17/14
20140105168
 Base station apparatus, mobile station apparatus, and transmission method patent thumbnailBase station apparatus, mobile station apparatus, and transmission method
A base station able to maintain backward compatibility with an lte mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an lte-a mobile station, and supports independent uplink/downlink cell data transmission.
04/17/14
20140105167
 Wireless communication system, base station apparatus, mobile station apparatus, and wireless communication method patent thumbnailWireless communication system, base station apparatus, mobile station apparatus, and wireless communication method
A mobile station apparatus (1) determines an uplink carrier component to which a physical downlink control channel instructing to start random access procedure corresponds. Provided is a wireless communication system in which a base station apparatus (3) and a mobile station apparatus (1) communicate with each other using a plurality of component carriers, wherein the base station apparatus (3) includes a random access controller (1012) that preliminarily allocates random access resources corresponding to a specific downlink component carrier, by means of which the mobile station apparatus (1) can start a random access communication, and a transmission processor (111) that transmits control information instructing to start the random access procedure, and wherein the mobile station apparatus (1) includes a random access processor (2012) that, upon receipt of the control information instructing to start the random access procedure, starts the random access procedure by means of the random access resource corresponding to a specific downlink component carrier preliminarily allocated by the base station apparatus (3)..
04/17/14
20140105158
Method for transceiving data in wireless access system and terminal therefor
The present invention relates to a method for transmitting and receiving data in a wireless access system and a terminal therefor. The method comprises the steps of: receiving an instruction message which instructs transmission of uplink resource allocation information via a physical downlink shared channel (pdsch) from a base station; determining whether the resource allocation information is a first downlink resource allocation information based on the instruction message, upon receiving resource allocation information set to a flag value that indicates uplink resource allocation information, from the base station via a physical downlink control channel (pdcch); receiving uplink resource allocation information via the pdsch according to the first downlink resource allocation information from the base station; and transmitting uplink data to the base station via a physical uplink shared channel (pusch) according to the uplink resource allocation information..
04/17/14
20140105155
Method for transmitting uplink control information, user equipment, method for receiving uplink control information, and base station
In the present invention, a user equipment-specific offset information for indicating first physical uplink control channel (pucch) resources, which can be used for transmitting ack/nack related to a physical downlink control channel (pdcch) that is transmitted from a data region of a downlink subframe, is provided to a user equipment by means of a base station. The user equipment, which receives the pdcch from the data region of the downlink subframe, decides the pucch resource, based on offset information and an index of the resource that is included in the pdcch, and transmits ack/nack information that corresponds to the pdcch to the base station using the pucch resource..
04/17/14
20140105141
Controlling uplink power
The disclosure is related to multiplexing an uplink channel and an uplink reference signal transmitted on uplink, and controlling an uplink power, in user equipment in the case of carrier aggregation.. .
04/17/14
20140105130
Controlling uplink power
The disclosure is related to multiplexing an uplink channel and an uplink reference signal transmitted on uplink, and controlling an uplink power, in user equipment in the case of carrier aggregation.. .
04/17/14
20140105118
Systems and methods for uplink power control and scheduling in a wireless network
Methods and systems for facilitating uplink power control (pc) and scheduling in a wireless network are provided. In one example, common interference patterns are obtained from long term channel statistics, and used to perform local pc and scheduling by distributed base stations (enbs).
04/17/14
20140105100
Satellite communication system, leo satellite relaying communications between a geo satellite and terrestrial stations, the uplinks and downlinks using the same frequency band and time-division multiplexing
A payload for a repeater satellite of a communication system. The repeater satellite being placed into drift orbit above the surface of a celestial body.
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 or more than one pdcch and more than one pdsch from a plurality of downlink sub frames according to a ul-dl configuration: determining a bit number of reception response information on the at least one of more than one pdcch and more than one pdsch by using a value indicated by a predetermined 2-bit field in a dci format for ul scheduling; and transmitting the reception response information through pusch corresponding to the dic format..
04/17/14
20140105056
Activation of supplementary transmission unit
A telecommunications method in a wireless communication network comprising a base station, a supplementary transmission unit and one or more user equipments, the supplementary transmission unit being initially in a dormant state in which it does not transmit; wherein based on the configuration from the base station the supplementary transmission unit measures a parameter of uplink transmission from the user equipment towards the base station; and a decision is made as to whether to activate the supplementary transmission unit in dependence upon the measured parameter.. .
04/17/14
20140105055
Method and apparatus for transmitting channel state information in multi-node system
The present invention provides a method and apparatus in which user equipment sends channel state information. The method includes receiving mapping information informing an uplink (ul) channel mapped to a reference signal; determining a valid downlink (dl) subframe based on the mapping information; measuring the reference signal in the valid dl subframe; and transmitting channel state information (csi), generated based on the measurement, in a configured ul subframe, wherein the ul channel is placed in the configured ul subframe, and the valid dl subframe is a dl subframe including the reference signal mapped to the ul channel..
04/17/14
20140105052
Uplink resource allocation to control intercell interference in a wireless communication system
Embodiments of the present invention exploit the reciprocity of radio channels in tdd, and longer-term correlation between average uplink and downlink path losses in fdd wireless communication systems to enable distributed schedulers in an enhanced uplink system to allocate uplink transmission resources while preemptively managing intercell interference levels. Each cell's base station transmits a downlink reference signal at a known transmission power level.
04/17/14
20140105048
Scheduling a user equipment transmission mode to assist uplink interference characterization
Systems, methods, and apparatuses for scheduling a user equipment transmission mode to assist uplink interference characterization are provided. One method includes a first base station (bs) wirelessly communicating with a first plurality of user equipment (ue), selecting a second bs associated with the first bs, the second bs wirelessly communicating with a second plurality of ue, selecting a ue from the second plurality of ue, scheduling the selected ue to transmit according to a transmission mode during a scheduled transmission, and characterizing, by the first bs, interference of the selected ue at the first bs during the scheduled transmission..
04/17/14
20140105040
Method and apparatus for uplink power control in an orthogonal frequency division multiple access communication system
A communication system minimizes inter-cell interference and handover holes by providing for a user equipment (ue) to monitor downlink signals from a serving, boundary enodeb and one or more neighbor enodebs, determine a signal quality metric (sqm) for each monitored signal to produce an sqm associated with each enodeb, and determine a maximum uplink transmit power level (pmax) for each enodeb. Based on the determined sqms and pmaxs, the ue determines a enodeb of the one or more neighbor enodebs with a best sqm and, in response to determining that the neighbor enodeb of the one or more neighbor enodebs with a best sqm is a high power enodeb, determines a difference between the sqm associated with the high power enodeb and the sqm associated with the boundary enodeb.
04/10/14
20140101522
Method and apparatus for signal detection and decoding
A method, apparatus and computer program product are provided herein for enabling the joint detection and decoding of uplink state flag symbols. In this regard, a method is provided that determining one or more residual error terms by jointly detecting and decoding in one or more bursts of a radio block.
04/10/14
20140099989
Uplink power control for power limited terminals
Transmit power control methods and apparatus are disclosed. In several embodiments, a mobile terminal is configured to effectively ignore “up” transmit power control commands in the event that the mobile terminal is operating in a power-limited state.
04/10/14
20140099988
Method and apparatus for controlling transmission power of multiple uplink channels in the same frequency band
A method and apparatus for controlling transmission power of multiple uplink channels in the same frequency band is described. A first uplink channel may be established with a base station.
04/10/14
20140099969
Dedicated barring and escape command
In accordance with an example embodiment of the present invention, a method includes receiving a connection request in uplink signaling from a user equipment, the user equipment being located in a cell; making a determination whether the user equipment can be connected and, if it is determined that the user equipment cannot be connected, informing the user equipment by downlink signaling, as a response to the connection request, that the user equipment cannot be connected. The downlink signaling includes information that indicates that the user equipment should de-prioritize a current carrier frequency or current radio access technology, and can further include a timer value to indicate a period of time for which the current carrier frequency or current radio access technology is to be de-prioritized.
04/10/14
20140099958
Methods and arrangements for handover during device-to-device communication
A method, computer program product, arrangement and a first communication device configured to perform cellular network assisted device-to-device communication with at least a second communication device. The first communication device has a communication link to a first network node.
04/10/14
20140098846
Near-field mimo wireless test systems, structures, and processes
Systems, processes, and structures allow enhanced near-field testing of the uplink and/or downlink performance of mimo wireless devices (dut), such as for any of product development, product verification, and/or production testing. Signal channels may preferably be emulated to test the performance of a device under test (dut) over a range of simulated distances, within a near-field test environment.
04/10/14
20140098800
Mobile station, base station, mobile communication system, and communication method
A mobile station, a base station, a mobile communication system and a communication method enabling operations associated with simultaneous uplink reception in multiple stations to be simplified are provided. The base station includes a transmission timing determining unit determining a transmission timing based on scheduling conducted upon a data transmission request from a mobile station and notifying the mobile station of the transmission timing, and a receiving unit receiving data in accordance with the transmission timing..
04/10/14
20140098798
Uplink timing control to reduce call drop
A user equipment (ue) may employ timing advance (ta) reporting to detect possible error conditions during communication between a base station and the ue. In some instances, the ue receives commands to change a timing advance value.
04/10/14
20140098785
Methods and apparatuses for an extended bandwidth carrier
Apparatuses and methods allow for uplink selection using an extended bandwidth carrier. A user equipment (ue) comprises: a transceiver configured to receive control signaling on an extended bandwidth carrier, the extended bandwidth carrier having a first control region disposed within a legacy bandwidth, and a second control region including additional resource blocks disposed outside of the legacy bandwidth, wherein the transceiver can receive the control signaling in either or both of the first control region and the second control region..
04/10/14
20140098781
Method, apparatus and system for uplink radio resource allocation in an lte communication system
The present technology provides a method, apparatus and system for facilitating uplink communication from a user equipment (ue) to a base station in an lte communication system. One or more frequency subcarriers within a predetermined lte resource block are selected, covering less than the entire frequency range of the lte resource block.
04/10/14
20140098780
Method for transmitting uplink control information and user equipment, and method for receiving uplink control information and base station
The present invention provides a method and apparatus for uplink transmission/reception of at least one slot in a sub-frame comprising two slots. A base station transmits information which controls the slot performing the uplink transmission among the two slots, to user equipment, and the user equipment performs uplink transmission from the slot directed by the information.
04/10/14
20140098777
Method and apparatus for resource allocation for transmitting uplink data on a cooperative terminal in a wireless connection system supporting terminal client cooperation
The present invention relates to a resource allocation method for transmitting uplink (ul) data on a cooperative terminal during a process of client cooperation (cc) between terminals, wherein the method comprises the steps of: executing the client cooperation between the cooperative terminal and a source terminal; transmitting, by the cooperative terminal to a base station, an uplink resource allocation request message for transmitting uplink data corresponding to the cooperative terminal; receiving, by the cooperative terminal, first uplink resource allocation information responding to the uplink resource allocation message from the base station; and transmitting, by the cooperative terminal to the base station, uplink data corresponding to the cooperative terminal, through the first uplink resource allocation information, wherein the uplink resource allocation request message includes control information in order to differentiate between uplink data corresponding to the source terminal and the uplink resource allocation request message.. .
04/10/14
20140098774
Flexible disabling/enabling of cross-carrier scheduling in carrier-aggregated wireless data transmission
The invention allows flexible disabling/enabling of cross-carrier scheduling in carrier-aggregated wireless data transmission. In response to detecting a predetermined disabling indication of cross-carrier scheduling of received carrier aggregated wireless data transmission, the disabling indication targeting subframes allocated to uplink in a first component carrier transmitted from a cross-carrier scheduling cell and to downlink in a second component carrier transmitted from a cross-carrier scheduled cell: a downlink control region in the targeted subframes in the second component carrier is monitored for uplink/downlink grants; and in response to detecting an uplink/downlink grant, the detected uplink/downlink grant is utilized in uplink/downlink scheduling of the targeted subframe in the second component carrier..
04/10/14
20140098772
Method, device and system for assigning ack channels to users
A method for assigning acknowledgement (ack) channels to a user is used to feed back acks of a plurality of downlink sub-frames in one uplink sub-frame. According to the method, reserved ack channels are divided into blocks according to the number of downlink sub-frames; each downlink sub-frame corresponds to one block; each block is divided into several sub-blocks; control channel element (cce) sets within the same sub-frame are respectively mapped to different sub-blocks; and the ack channels are assigned to the downlink sub-frames according to a sequence of increasing a mapping label d first and then increasing a sub-block label m.
04/10/14
20140098769
Method and apparatus for indictating a temporary block flow to which a piggybacked acknowledgement/non-acknowledgement field is addressed
Methods and base stations are described. A base station includes a receiver, a processor and a transmitter.
04/10/14
20140098768
Uplink radio access network with uplink scheduling
A radio access network comprises a serving radio network controller (s-rnc). The s-rnc receives successfully received medium access control (mac) packet data units (pdus), discards duplicates of mac pdus, reorders the non-discarded mac pdus based on serial numbers of the mac pdus and delivers the mac pdus to a radio link control protocol layer.
04/10/14
20140098755
Apparatus and method for deferring cell update messages from user equipment
Various aspects of the present disclosure enable a plurality of mobile devices (ues) within a cell to spread out in time their respective transmissions of signaling messages, such as cell update messages, when the network enables or disables enhanced uplink (eul, sometimes referred to as high-speed uplink packet access or hsupa) while the ue is in the cell_fach state, by changing sib5 or sib5bis. In this way, the network load may be reduced, and a network blockage that otherwise might result from large numbers of ues simultaneously transmitting the cell update message can be avoided.
04/10/14
20140098753
Node and method for uplink detection with an assigned uplink physical layer identity
Example embodiments presented herein are directed towards the elimination of physical layer identity ambiguities for uplink detection in a wireless network. Some of the example embodiments are directed towards a source network node, and corresponding methods therein, for assigning an unique uplink physical layer identity for a user equipment uplink transmission of a first user equipment being served by the source network node.
04/10/14
20140098726
Method and apparatus for controlling uplink transmit power with optimum delay
A method and apparatus for controlling uplink transmit power with optimum delay is described. A transmit power control command may be received.
04/10/14
20140098721
Communication method and device in time division duplexing system
Embodiments of the present invention relate to a communication method and a device in a time division duplexing system. The communication method in a time division duplexing system includes: notifying a user equipment of an uplink-downlink configuration of a radio frame; specifying a part of downlink subframes corresponding to the uplink-downlink configuration of the radio frame as mbsfn subframes; and sending first information to the user equipment, where the first information is used to indicate that multicast areas of the mbsfn subframes are used for uplink communication or downlink communication..
04/10/14
20140098720
Methods, devices and computer program products for interference reduction in tdd systems allowing allocation of flexible subframes for uplink or downlink transmission
Methods, devices and computer program products in relation to interference reduction are presented, in particular for devices comprising a transceiver module configured for tdd operation in a network environment wherein a partition of subframes of channels are configurable to be flexibly assigned for downlink or uplink transmission while other subframes are fixedly configured for either uplink or downlink transmission. Aspects of such devices encompasses a controller module configured to determine those subframes that are flexibly assigned and configured for downlink transmission, identify, among those determined subframes, a subframe carrying a control channel, and restrict physical resources for the control channel in the identified subframe.
04/10/14
20140098719
Method and apparatus for performing harq process in wireless communication system
A method and an apparatus for performing hybrid automatic repeat request (harq) in a wireless communication system is provided. Ues that use the same application for d2d communications form a sharing group so that reliability of transmission of a physical uplink shared channel (pusch) and a physical uplink control channel (pucch) among terminals that perform the d2d communications is guaranteed.
04/10/14
20140098694
Dynamic receive diversity selection for lte
Methods, apparatuses and computer readable media are described that configure wireless circuitry in a wireless communication device. The wireless communication device establishes a connection to a wireless network using wireless circuitry that includes a first radio frequency receive signal chain and a second radio frequency receive signal chain.
04/10/14
20140098693
Triggering cell transition in an uplink power limited condition
A method for triggering cell transition in an uplink power limited condition is disclosed. The method can include a wireless communication device determining that the wireless communication device is experiencing an uplink power limited condition; deriving a modified downlink channel quality measurement by adjusting a measured downlink channel quality to indicate a lower downlink channel quality than the measured downlink channel quality; generating a measurement report including the modified downlink channel quality measurement; and sending the measurement report to the serving cell to trigger transition of the wireless communication device from the serving cell to a second cell..
04/10/14
20140098691
Methods for performing parallel uplink wireless signal measurements
Systems, methods, and apparatuses are presented for performing parallel uplink wireless signal measurements (ul measurements), in which a signal measuring apparatus determines information on ul measurements being performed or to be performed by the signal measuring apparatus over a predetermined measurement period. The signal measuring apparatus further determines a capability of the signal measuring apparatus to perform parallel ul measurements.
04/10/14
20140098690
Methods for requesting parallel uplink wireless signal measurements
Systems, methods, and apparatuses are presented for requesting parallel uplink wireless signal measurements (ul measurements), in which a measurement management apparatus determines information on ul measurements being performed or to be performed by a signal measuring apparatus over a predetermined measurement period. The measurement management apparatus further determines a capability of the signal measuring apparatus to perform parallel measurements.
04/03/14
20140094216
Method for determining uplink transmission power and user equipment
The present invention provides a method and apparatus for determining uplink transmission power, and a method and apparatus for uplink power control. The base station of the present invention provides user equipment (ue) with ue specific weights for downlink path loss for uplink power control when the ue simultaneously transmits signals using a plurality of nodes.
04/03/14
20140094213
Transmission power control for signals used by user equipment terminals for device-to-device services
Methods, systems, and devices provide improved power control for signals used for device-to-device services. In one aspect, a user equipment (“ue”) terminal controls the transmission power of signals used for device-to-device (“d2d”) services based on power control parameters provided by a base station.
04/03/14
20140094204
Uplink power control for machine type communication devices
An access node is configured to adapt uplink power control procedures based on the device attributes of a wireless device. The device attributes may, for example be the mobility, energy profile, or characteristic traffic pattern of the wireless device.
04/03/14
20140092921
Method for terminal to transmit/receive signal to/from base station in wireless communication system and device therefor
The present invention relates to a method for a terminal to transmit/receive a signal to/from a base station in a specific subframe in a wireless communication system. More particularly, the present invention comprises the steps of: receiving setting information of the specific subframe from the base station; and receiving a downlink signal from the base station or transmitting an uplink signal to the base station, in the specific subframe, wherein the specific subframe has a first segment for receiving the downlink signal in the front end thereof, a second segment for transmitting the uplink signal in the rear end thereof, and when the specific subframe is set for the purpose of downlink signal reception, the setting information defines the size of the first segment of the specific subframe, and when the specific subframe is set for the purpose of uplink signal transmission, the setting information defines the size of the second segment of the specific subframe..
04/03/14
20140092881
Wireless communication system, base station apparatus and mobile station apparatus
An apparatus for signal processing includes a scheduling unit and a transmitting unit. The scheduling unit is configured to assign one physical uplink control channel resource for transmissions of first group feedback information and second group feedback information.
04/03/14
20140092880
Methods and devices for transmitting data
Embodiments of the present disclosure provide a method and a device for transmitting data. The method includes: a user equipment receives downlink data sent from a base station through downlink resources of a special subframe; the user equipment determines its corresponding guard period level, the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (ofdm) symbol in a guard period corresponding to the user equipment in the special subframe; the user equipment determines, according to its corresponding guard period level, a position of uplink resources corresponding to the user equipment in guard period resources of the special subframe; and the user equipment sends uplink data to the base station through the uplink resources corresponding to the user equipment in the guard period resources of the special subframe..
04/03/14
20140092865
Transmission of uplink control information in inter-enb carrier aggregation
A user equipment (ue) for communication in a wireless network supporting inter-eutran node b (enb) carrier aggregation has a receiver to communicate with a first enb corresponding to a primary cell (pcell) in the wireless network and a second enb corresponding to a secondary cell (scell) in the wireless network. The receiver is configured to receive downlink data through a physical downlink shared channel (pdsch) in the scell.
04/03/14
20140092856
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 channel state information (csi) in a wireless communication system that supports carrier aggregation, and to an apparatus for the method.
04/03/14
20140092855
Apparatus and method for performing random access in wireless communication system
Disclosed are a method and an apparatus for performing a random access by a user equipment in. The method includes transmitting a random access preamble to an evolved-nodeb (enb) on at least one serving cell; and receiving a random access response message as a response to the random access preamble from the enb, wherein the random access response message is transmitted through a physical downlink shared channel (pdsch) ordered by a physical downlink control channel (pdcch) scrambled by the at least one random access radio network temporary identifier (ra-rnti) for the at least one serving cell, respectively.
04/03/14
20140092846
Method for transmitting and receiving uplink control information, terminal, base station
A method for transmitting and receiving uplink control information (uci), a terminal, and a base station are provided. The transmitting method includes: calculating the number (q′) of modulation symbols occupied by the uci to be transmitted; dividing the information bit sequence of the uci to be transmitted into two parts; using reed muller (rm) (32, 0) codes to encode each part of information bit sequence of the uci to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ┌q′/2┐×qm bits and that the rate of the second 32-bit coded bit sequence is (q′−┌q′/2┐)×qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a public uplink shared channel (pusch), and transmitting the coded bit sequences to a base station..
04/03/14
20140092845
Base station device, mobile station device, program, uplink synchronization requesting method, and synchronization-shift measurement signal transmitting method
A mobile station device that includes a receiver configured to receive control information, on a physical downlink control channel from a base station device, using one downlink control information format among a number of downlink control information formats, wherein the one downlink control information format is used for downlink scheduling and a random access order, in a case that the one downlink control information format is used for the downlink scheduling, the control information indicates a downlink resource assignment, and in a case that the one downlink control information format is used for the random access order, a preset value is set for a field of the downlink resource assignment.. .
04/03/14
20140092842
Method of performing random access procedure in wireless communication system
A method includes transmitting a random access preamble, receiving a random access response as a response of the random access preamble, wherein the random access response comprises an uplink resource assignment and a request for transmission of a channel quality indicator (cqi), and transmitting the cqi in the uplink resource assignment.. .
04/03/14
20140092839
Method of providing harq feedback information
In a wireless communication system where a terminal and a base station communicate with each other using a frame including at least one downlink sub-frame and at least one uplink sub-frame, the terminal and the base station calculate the number of hybrid automatic repeat request (harq) feedback regions of the downlink sub-frames and the uplink sub-frames in accordance with a third value corresponding to an absolute value of subtraction between a first value corresponding to the number of downlink sub-frames of the frame and a second value corresponding to the number of uplink sub-frames of the frame or the sum of the first value and the second value and configure harq feedback regions in the downlink sub-frames and the uplink sub-frames.. .
04/03/14
20140092833
Method and apparatus for autonomous cluster head selection for machine-type-communications (mtc)
The present disclosure presents embodiments of a system and method for improved uplink transmission management in a network that includes one or more machine-type communication (mtc) devices. For example, in an aspect, the present disclosure presents a method of cluster head selection for a mtc device cluster, the method comprising transmitting a polling message from an enodeb to one or more mtc devices of the mtc cluster, receiving one or more polling responses at the enodeb from the one or more mtc devices, and determining the set of cluster heads based on the one or more polling responses; and transmitting cluster head information associated with each cluster head of the set of cluster heads to the one or more mtc devices..
04/03/14
20140092823
Methods and apparatus for enabling further enhancements to flexible subframes in lte heterogeneous networks
A method is provided for communication in a wireless telecommunication network. The method comprises providing, by a network element, one of an uplink grant or a downlink grant to at least one ue that the network element has determined, based on information received from a plurality of ues, is closer to the network element than is another ue, wherein the uplink grant is scheduled such that the ue transmits to the network element only during at least one flexible subframe, and wherein the downlink grant is scheduled such that the network element transmits to the ue only during at least one flexible subframe.
04/03/14
20140092804
Method and apparatus for routing ip packets in multi-beam satellite networks
An example system for satellite payload communications includes a digital channelizer and a regenerative communications subsystem (rcs). The digital channelizer includes a plurality of inputs for receiving a plurality of signals from a plurality of uplink beams and a plurality of outputs for outputting the plurality of signals.
04/03/14
20140092797
Enhancement of low power medium access stas
Enhanced low power medium access (lpma) processes involve the enhanced lpma sta indicating low power capabilities during association and being allocated an aid. The aid(s) for one or a group of enhanced lpma sta(s) are included in one tim sent during a different beacon interval than the aid(s) for another or another group of enhanced lpma sta(s).
04/03/14
20140092794
Method for transmitting and receiving a signal, and apparatus therefor
The present invention relates to a wireless communication system. Specifically, a method for transmitting an uplink signal in a wireless communication system supporting carrier aggregation includes the steps of: setting a first cell of a first time division duplex (tdd) uplink (ul)-downlink (dl) configuration, and a second cell of a second tdd ul-dl configuration; receiving data over a dl subframe of the first cell; and transmitting a control signal over a ul subframe of the second cell in response to the received data, wherein a relationship of the dl subframe and ul subframe is determined by parameter values set in a specific tdd ul-dl configuration in a tdd wl-dl configuration set, the specific tdd ul-dl configuration has the minimum number of dl subframes from among one or more of tdd ul-dl configurations in which subframes set as a dl or x are all set as the dl in the first cell or the second cell, the subframes set as x have different subframe directions in the first cell and the second cell at a corresponding subframe timing, and the uses thereof are limited in either the first cell or the second cell..
04/03/14
20140092793
Method for setting subframe in wireless communication system
The present invention relates to a method for setting a subframe in a wireless communication system and to an apparatus for same. More particularly, the method for setting the subframe in the wireless communication system that is operated by a time division duplex (tdd), comprises the steps of: setting at least one uplink subframe and at least one downlink subframe according to an uplink-downlink (ul-dl) configuration; receiving resetting information with respect to a specific uplink subframe from the at least one uplink subframes; and setting the specific uplink subframe so as to include a first section for an uplink and a second section for a downlink..
04/03/14
20140092790
Resource allocation in communications system
An exemplary embodiment discloses a multi-subframe physical uplink control channel pucch resource arrangement for pucch format 1a/1b resource allocation for enhanced physical downlink control channel epdcch in time division duplex tdd transmission. A definition of a semi-static offset for each epdcch set is extended by considering multiple downlink subframes, and a dynamic offset mechanism is enhanced to avoid resource collision between multiple dl subframes..
04/03/14
20140092789
Phich-less operation for uplink-downlink configuration zero
Various communication systems may benefit from techniques for handling inter-band carrier aggregation (ca). For example, systems of the third generation partnership project (3gpp) long term evolution (lte) advanced (lte-a) may benefit from a uplink (ul) downlink (dl) configuration zero handling, particularly in cases where there is no physical hybrid automatic repeat request (harq) indicator channel (phich).
04/03/14
20140092787
Periodic channel state information reporting for time division duplex (tdd) carrier aggregation systems
Technology for periodic channel state information (csi) reporting is disclosed. One method can include a user equipment (ue) identifying a configured csi reporting instance for a secondary cell to report the periodic csi to a node based on a csi reporting configuration of the secondary cell.
04/03/14
20140092786
Hybrid automatic repeat request (harq) mapping for carrier aggregation (ca)
Technology to dynamically alter hybrid automatic retransmission re-quest (harq) mapping for carrier aggregation (ca) is disclosed. In an example, a user equipment (ue) operable to dynamically alter hybrid automatic retransmission re-quest (harq) mapping for carrier aggregation (ca) can include computer circuitry configured to: determine a secondary harq bundling window size for a secondary cell (scell), when a primary harq bundling window size for a primary cell (pcell) is zero; determine a physical uplink control channel (pucch) resource for transmission of a harq-acknowledge (ack) feedback using the secondary harq bundling window size; and transmit the harq-ack feedback in the pucch resource..
04/03/14
20140092785
Methods and apparatus for enabling further l1 enhancements in lte heterogeneous networks
A network element in a first cell in a wireless telecommunication network is provided. The network element comprises a processor configured such that the network element provides uplink and downlink grants in the first cell, wherein the first cell is a low-power cell within the coverage area of a second, high-power cell, and wherein the first cell acts as a secondary cell and the second cell acts as a primary cell in a carrier aggregation mode, and wherein at least one uplink control signal is received by one of only the first cell or both the first cell and the second cell..
04/03/14
20140092744
Dynamic queuing and pinning to improve quality of service on uplinks in a virtualized environment
At a network element having a plurality of physical links configured to communicate traffic over a network to or from the network element, an uplink group is formed comprising the plurality of physical links, wherein the plurality of physical links comprise a first physical link and a second physical link a plurality of classes of service are defined comprising a first class of service and a second class of service, wherein the first class of service and second class of service have bandwidth allocations on the first physical link. Traffic congestion is detected on the first physical link that exceeds a predetermined threshold for the first class of service.


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