|| List of recent Uplink-related patents
| D2d relays as an underlay in lte uplink|
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus obtains at least one of a pathloss measurement to a base station or a maximum tolerable interference to the base station, determines a maximum transmission power for an access link to a user equipment (ue) based on the at least one of the pathloss measurement or the maximum tolerable interference to the base station, and communicates on the access link to the ue at a transmission power less than the determined maximum transmission power..
| Coordinated multipoint reception processing method and apparatus, and base station|
Embodiments of the present invention provide a coordinated multipoint reception processing method and apparatus, and a base station. The method includes: performing demodulating and decoding an uplink signal received by k collaboration sets of m collaboration sets, to obtain k cyclic redundancy check crc results, where the uplink signal is sent by a user equipment ue, the collaboration set is a serving sector where the ue is located or a set formed by the serving sector and any one or more collaborative sectors, m≧2, and 1≦k≦m; and if the k crc results include at least one correct crc result, performing processing on a signal obtained by a crc result of the at least one correct crc result.
| Controlling user equipment nodes for enhanced uplink and user equipment nodes configured for enhanced uplink|
Methods for controlling uplink transmission of data to a network node of a communications system a user equipment node are disclosed. The methods include receiving parameters to configure enhanced uplink in cell_fach state, determining whether the user equipment node is able to communicate on an e-dch in cell_fach state and determining whether additional defined conditions have been satisfied, and performing a cell update operation to obtain an e-rnti value responsive to determining that the user equipment node is not able to communicate on an e-dch in cell_fach state.
| Handover in heterogeneous radio communication networks based on systematic imbalance differences|
Presented is an apparatus and methods for determining if a determined systematic imbalance difference between a serving base station and one or more candidate base stations exceeds a threshold value and, if so, then using uplink information as part of a handover mechanism. The selective usage of uplink information in the handover mechanism can improve handover performance without unduly adding to complexity and signaling overhead..
| Method and apparatus for efficient feedback in a wireless communication system supporting multiple antennas|
A method and apparatus for performing effective feedback in a wireless communication system supporting multiple antennas. A method for transmitting csi of downlink transmission via uplink in a wireless communication system includes transmitting a joint-coded rank indicator (ri) and a first wideband (wb) precoding matrix indicator (pmi) at a first subframe, and transmitting a wideband channel quality indicator (wb cqi) and a second wb pmi at a second subframe.
| Uplink noise estimation for virtual mimo|
A system and methods for estimating a noise power level in an uplink signal for a virtual mimo system is disclosed. The system comprises a demodulation reference signal (dmrs) module configured to obtain a dmrs receive symbol from the uplink signal and determine a dmrs sequence for a first ue in the virtual mimo system.
| Reducing call drops in uplink power limited scenarios|
A method for reducing call drops in uplink power limited scenarios is disclosed. The method can include a wireless communication device determining that the wireless communication device is experiencing an uplink power limited condition in which a transmission power of the wireless communication device is limited to a level below a power class level of the wireless communication device.
| Cell size and shape estimation in heterogeneous networks|
A telecommunications node (28) comprises a communication interface (36) and a parameter controller (40). The node (28) acquires timing advance (ta) information and angle of arrival (aoa) information through the communication interface (36).
| Minimizing mapping and signaling for data path aggregation|
A method and system for transporting packets between an access node and a core node via a proxy node. The access node has an access node address, the core node has a core node address, and the proxy node has a proxy node address.
| Multiplexing control and data information from a user equipment in mimo transmission mode|
A method and apparatus are provided for multiplexing uplink control information (uci) with data information in a physical uplink shared channel (pusch) transmitted over multiple spatial layers where aspects of the uci multiplexing include the determination of the number of coded uci symbols in each spatial layer when the data information is conveyed using multiple transport blocks (tbs), the determination of the number of coded uci symbols in each spatial layer when the pusch conveys a single tb retransmission for a hybrid automatic repeat request (harq) process while the initial tb transmission for the same harq process was in a pusch conveying multiple tbs, and the determination of the modulation scheme for the coded uci symbols.. .
| Channel configuration in a wireless network|
A base station transmits a message comprising configuration parameters of first radio resources of a control channel. The first radio resources comprise one or more sets of resource blocks in a subset of subframes in a plurality of subframes.
| Method and device for terminal to execute uplink harq operation in wireless communication system|
Disclosed in the present invention is a method for a terminal to receive an acknowledgement/negative-ack (ack/nack) from a base station in a wireless communication system. More specifically, the method comprises the steps of receiving from the base station, through a first carrier wave, scheduling information on uplink data to be transmitted through a second carrier wave, transmitting the uplink data to the base station through the second carrier wave, and receiving an ack/nack signal for the uplink data from the base station, in one specific subframe from the first carrier wave or the second carrier wave..
| Terminal apparatus and transmission method|
The purpose of the present invention is to inhibit an increase in the amount of a/n resources, without changing the timing at which the error detection result of an scell is notified when ul-dl configurations to be configured for each of the unit bands are different, from the timing at which the error detection result is notified when just a single unit band is configured. A control unit (208) transmits, using a first unit band, a response signal including error detection results about data received with both the first unit band and a second unit band.
| Base station|
When a scheduling executing section allocates a use downlink radio resource including in a frequency direction a frequency band, in which a known signal is not received by an uplink radio resource for known signal, from a downlink radio resource associated with the uplink radio resource for known signal to a communication terminal, a communication section generates a known signal to be received from the communication terminal in a frequency band of the use downlink radio resource in a pseudo manner when performing downlink communication with the communication terminal using the use downlink radio resource. The communication section controls transmission directivity in a plurality of antennas based on a new reception signal obtained by adding the pseudo known signal as a desired wave component to a reception signal that is received in the frequency band of the use downlink radio resource in the uplink radio resource for known signal..
| Data sending method and transmission resource allocation method and apparatus|
The present invention discloses a method for sending a bsr. The method includes: if an lcg logical channel meets a regular bsr trigger condition, triggering a first regular bsr; or if a bsr retransmission timer expires, and any lcg logical channel has transmittable data, triggering a second regular bsr; if the lcg logical channel triggering the first regular bsr meets a non-transmittable condition, canceling the first regular bsr; or if all lcg logical channels meet a non-transmittable condition after the second regular bsr is triggered, canceling the second regular bsr; and if an uplink transmission resource is available in a current tti, and the first or second regular bsr that is triggered but not canceled exists, sending a bsr mac ce by using the uplink transmission resource.
| Method of transmitting sounding reference signal|
A method of transmitting a sounding reference signal (srs) includes receiving srs operation information including a sounding indicator, the sounding indicator indicating whether srs transmission takes place at a subframe; generating the srs according to the srs operation information, and if the sounding indicator indicates occurrence of srs transmission, transmitting the srs at the subframe. Multiplexing can be achieved without collision between data and a sounding reference signal and single carrier characteristics required in uplink transmission can be preserved..
| Feedback capability enhancement using reference symbol radio resource selection|
Feedback information is conveyed between a wireless device and a base station in a cellular communications network via selection and detection of radio resources utilized for an uplink reference signal transmitted from a wireless device to a base station. In this manner, additional feedback information may be sent from the wireless device to the base station without sacrificing any bandwidth available for data transfer between the wireless device and the base station.
| Search space for uplink grant in an aggregated-carrier mobile communication system|
The present invention relates to transmitting and receiving of control information in a system supporting carrier aggregation. A search space for control information is configured in such a way that at least two search spaces determined by respective component carriers are on a first slot of a subframe and a further search space determined by a further component carrier is on a second slot, wherein at least one candidate of search spaces in the first slot is mapped in a same resource block pair with at least one candidate of a search space in the second slot..
| Method and device for communicating device-to-device|
The present invention relates to a wireless communication system, and more specifically, to a method and a device for communicating device-to-device. The method for a first device to transmit a signal to a second device according to one embodiment of the present invention enables the first device to request to a base station a resource allocation for transmitting the signal to the second device, receive from the base station scheduling information for transmitting the signal to the second device, and the signal can be transmitted from the first device to the second device on the basis of the scheduling information, wherein the scheduling information includes information on an uplink resource for transmitting the signal from the first device to the second device..
| Layer 2 address management in 3 address only capable access points in networks with relays|
During uplink traffic, a map is formed between the mac address and an upper layer identifier of each station of a communications network. When a downlink unicast packet is received, the identifier is compared to the map to select a corresponding mac address.
| Recovery from uplink timing alignment failures in cellular communications|
Regaining uplink synchronization after timing alignment failure in cellular communications. An out-of-sync condition with a cellular network may be detected.
| Apparatus and method for detecting lte uplink random access preamble based on parallel processing|
Disclosed herein is an apparatus and method for detecting an lte uplink random access preamble based on parallel processing. The apparatus for detecting an lte uplink random access preamble based on parallel processing according to the present invention includes a generation unit for calculating a random access preamble sequence using a root index and generating channel delay profile data using the random access preamble sequence and a channel delay profile generation input signal.
| User equipment, base station and methods related to multiple input multiple output|
It is presented a method for controlling multiple input multiple output, mimo, pilot channel boosting. The method is performed in a user equipment, ue, capable of mimo transmissions using a primary and a secondary stream.
| A radio network controller, a serving base station, a user equipment and methods therein|
A radio network controller, rnc, 614, and a method therein, for enhancing reception quality of transmissions on an uplink control channel from a user equipment, ue, 613 to a serving base station, bs, 610. The rnc, the ue and the serving bs are comprised in a communication system 600.
| Method for controlling power in a wireless communication system adopting a carrier aggregation technique, and apparatus for same|
The present application discloses a method in which a terminal transceives a signal to/from a base station in a wireless communication system adopting a carrier aggregation technique. More particularly, the method comprises: a step of receiving a wake-up message for a sub-component carrier which is in an idle state from said base station via a main component carrier; a step of starting to monitor said sub-component carrier after receiving said wake-up message; and a step of receiving a downlink signal from said base station or transmitting an uplink signal to said base station via said sub-component carrier..
| Synchronizing uplink and downlink transmissions in a wireless device|
Synchronizing uplink and downlink transmissions by a wireless user equipment (ue) device. A connection with a network may be established via a wireless link with a cell.
| Uplink synchronization in a multi-sim user equipment|
A method of wireless communication in a dual subscriber identification module (sim) terminal includes transmitting a first synchronization message from a first module associated with a first sim. The method also includes receiving a first acknowledgment (ack) message on a fast physical access channel (fpach) in response to the first synchronization message.
| Directional adjustment to quality of service based on predicted traffic activity on a link|
In an embodiment, an apparatus predicts traffic usage in uplink and downlink directions of a link that is configured to support a communication session for the client device. In an example, the predictions can be based upon a call state parameter (e.g., if the client device is a non-floorholder or is muted the client device is unlikely to send much traffic in the uplink direction, etc.).
| Subscriber-controlled registration technique in a cdma system|
A method and apparatus for dynamic uplink communication in a wireless communication system are disclosed herein. The method includes transmitting, by a base station, a pilot signal on a first channel to a mobile station (ms), the pilot signal indicating a signal strength, receiving, by the ms, a one-bit indicator from a plurality of base stations on a second channel, the one-bit indicator indicating a congestion status for each of the plurality of base stations, determining, by the ms, the congestion status for each of the plurality of base stations, and selecting, by the ms, a base station based on the one-bit indicator received on the second channel, wherein the one-bit indicator further indicates a neighboring base station that is lightly congested..
| Directional adjustment to quality of service based on monitored traffic activity on a link|
In an embodiment, an apparatus monitors traffic usage in uplink and downlink directions of a link that is configured to support a communication session for the client device. The apparatus can correspond to a core network component or to an access network component.
| Sensor array|
An arrangement for monitoring a submarine reservoir comprises a number of sensor units located in an array (1) on the seabed, and an interrogator unit for obtaining data on the reservoir from the sensor units. The interrogator unit comprises a transmitter unit (20) for sending optical signals to the sensor array and a receiver unit for receiving modulated optical signals from the array.
|Positioning-assisted cell selection and handover for lte|
A cell-selection and a cell re-selection process include a wireless device that receives a signal from at least one node of a wireless network. The received signal can be a reference signal, an uplink signal, or a downlink signal, or a combination thereof.
|Method for setting, in a wireless cellular telecommunication network, the power of uplink radio signals|
A method for setting, in a wireless cellular telecommunication network, a power of radio signals transferred by mobile terminals served by plural nodes, the method including, executed by a server in charge of the nodes: checking if a message is received from one of the nodes, the message being representative of occurrence of an event in a cell of the node which transferred the message; adjusting a common parameter value for the nodes according to reception or not of the message; and transferring to each node the adjusted common parameter value or information derived from the adjusted common parameter value.. .
|Transmission method, apparatus, and system based on uplink transmit diversity|
A transmission method, apparatus, and system based on uplink transmit diversity, relating to the field of communications are provided. To timely and efficiently determine to activate or deactivate uplink transmit diversity and improve uplink transmission quality, a base station sends an activation request instruction to a radio network controller when determining, according to relevant reference measurement value(s) of a user equipment, to activate uplink transmit diversity of the user equipment; and the radio network controller notifies, according to the activation request instruction, the user equipment of activating the uplink transmit diversity; or a base station sends a deactivation request instruction to a radio network controller when determining, according to relevant reference measurement value(s) of a user equipment, to deactivate uplink transmit diversity of the user equipment; and the radio network controller notifies, according to the deactivation request instruction, the user equipment of deactivating the uplink transmit diversity..
|Method and arrangement in a telecommunications system|
The present invention relates to a method and arrangement for triggering a random access channel (rach) procedure for requesting uplink resources on a random access channel to a radio base station scheduler based on a change in terminal buffer status as compared to a buffer status report bsr stored in said terminal. In a first method step, the status of the present terminal buffer content, i.e.
|Coexistence management using a-priori time domain information|
A user equipment (ue) uses information regarding the timing of scheduling mobile wireless services (mws) rat communications to improve mws and wireless network connectivity (wcn) radio access technology coexistence. To allow sufficient time for an uplink grant to be received by the ue in advance of the scheduled uplink time, an uplink grant may be sent in advance of the scheduled uplink time.
|Method and device for transmitting uplink control information having large payload in wireless access system|
The present invention relates to a method and devices for transmitting uplink control information (uci) having a large payload size in a carrier aggregation environment. The method for transmitting the uci having a large sized payload in a wireless access system, as an embodiment of the present invention, comprises the steps of: finding the number of first resource elements allocated to channel quality information (cqi) information to be included in the uci; finding the number of second resource elements allocated to a rank indicator (ri) information to be included in the uci; finding the coding rate of data transmitted with the uci, considering the number of the first resource elements and the number of the second resource elements; finding the number of third resource elements allocated to all of the uci, on the basis of the coding rate of the data; and multiplexing to a physical uplink shared channel (pusch) and sending to a base station the uci, on the basis of the number of the third resource elements..
|Method for transmitting uplink and wireless device using same|
Provided are a method for transmitting an uplink and a wireless device. The wireless device decides a first wireless resource through which a sounding reference signal (srs) will be transmitted from a first serving cell, and decides a second wireless resource through which an uplink channel will be transmitted from a second service cell.
|Method and apparatus for allocation of discontinuous uplink resource|
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for transmitting an uplink signal in a wireless communication system, wherein the method for transmitting an uplink signal in a wireless communication system comprises: a step of receiving a control channel signal containing resource allocation information; and a step of transmitting an uplink signal in accordance with the control channel signal, wherein the resource allocation information has a combination index r to be used for indicating two sets of resource blocks, and each set of resource blocks includes one or more continuous resource blocks..
|Power compensating method, user equipment and base station|
Embodiments of the present invention provide a power compensating method, user equipment and base station. The method comprises: receiving by the base station a pathloss value reported by the user equipment, or calculating the pathloss value according to a reference signal receiving power value reported by the user equipment; and compensating for power according to the pathloss value.
|Transmission of control information on uplink channels|
Techniques for sending control information on uplink channels are disclosed. In one design, a user equipment (ue) may determine its current configuration for concurrent transmission of a control channel and a shared channel.
|Method for configured maximum output power reporting and user equipment|
A method for configured maximum output power reporting and user equipment including: judging sequentially by user equipment whether there exists non-adaptive retransmission of uplink data in each of serving cells, or judging whether a base station schedules only channel status information in each of serving cells and does not allocate an uplink grant to transmit data of an uplink shared channel when the user equipment triggers a power headroom report at a current subframe, the base station allocates an uplink grant to the user equipment for transmitting new data in an uplink shared channel, and the uplink grant is capable of containing the power headroom report; obtaining, if the result of judging is positive, by the user equipment, a configured maximum output power of the corresponding serving cell; and reporting the obtained configured maximum output power to the base station.. .
|Apparatus and method for communicating uplink signaling information|
A user equipment, ue, of a cellular communication system transmits scheduling assistance data to a base station comprising a base station scheduler which schedules uplink packet data. The scheduling assistance data relates to uplink packet data transmission from the ue.
|Method and apparatus for controlling uplink transmission power|
Provided are a method and apparatus for controlling uplink transmission power in a wireless communication system. A terminal transmits a random access preamble in a secondary cell, and receives a random access response in a primary cell.
|Method and device for performing ranging in a wireless communication system|
A method and device for performing wireless communication ranging are provided. A machine-to-machine (m2m) device receives a paging message from a base station, transmits a bandwidth request (br) preamble sequence to the base station, receives a first ul grant to allocate an uplink (ul) resource for the transmission of a br header, transmits the br header including a ranging request indication parameter to the base station through a ul resource allocated by the first ul grant, receives a second ul grant to allocated a ul resource for transmission of a ranging request message from the bases station, and transmits the ranging request message to the base station through a ul resource allocated by the second ul grant..
|Scheduling method, device and system based on quality of service|
Disclosed are a scheduling method, device and system based on quality of service. The method includes: for downlink service data, an access point (ap) or a gateway (gw) determines the quality of service (qos) level of a downlink service packet of a media access control (mac) layer according to the qos attribute information of the downlink service packet of the ip layer, and then the ap transmits and schedules radio resources according to the qos level; for uplink service data, user equipment (ue) determines the qos level of an uplink service packet of the mac layer according to the qos attribute information of the uplink service packet of the ip layer, and reports the qos level and the other qos parameters to the ap in the manner of a scheduling request, and the ap completes the transmitting and scheduling of radio resources according to the qos level, so that the ue transmits the uplink service data to the ar aimed at low-cost hot spot and indoor data service access, the present invention provides a novel network architecture and a perfect qos service mechanism..
|Apparatus and methods for improving demodulation reliability of an uplink high speed-dedicated physical control channel|
The present disclosure presents a method and apparatus for improving demodulation reliability of an uplink (ul) high speed dedicated physical control channel (hs-dpcch) at a base station. For example, the disclosure presents a method for receiving a secondary pilot channel from a user equipment (ue) on an uplink (ul) and demodulating the hs-dpcch using at least the secondary pilot channel.
|Methods and apparatus for power control for high-efficiency scheduling in td-scdma hsupa|
Certain aspects of the present disclosure propose techniques for power control for high-efficiency scheduling for time division synchronous code division multiple access (td-scdma) high speed uplink packet access (hsupa). The basic principle of this power control for a scheduled enhanced dedicated channel (e-dch) physical uplink channel (e-puch) is that all information for a transport block size (tbs) decision is made available at a user equipment (ue).
|Methods and devices for uplink mimo operation|
In a radio system configured for uplink multiple input multiple output, mimo, operation, methods and devices are provided that transmits an indicator signal indicating whether the ue has scheduled data for transmission on a secondary stream. The indicator signal is transmitted on an e-dch dedicated physical control channel, e-dpcch, associated with a primary stream..
|Multi-cluster uplink transmission in wireless communication network|
A method in a wireless communication device comprises determining transmission powers for at least two clusters, wherein each cluster includes at least one physical resource block (rb), determining a difference in a characteristic of the transmission powers determined for the at least two clusters, and varying a transmit power allocated to at least one cluster if the difference in the characteristic exceeds a power spread threshold, wherein the power allocated to each cluster is a function of pathloss between the wireless communication device and a serving base station.. .
|Uplink data sending method and user equipment|
The present invention provides an uplink data sending method and a user equipment. The method includes: distinguishing uplink data to be sent, and obtaining acknowledgement data of downlink tcp service data and uplink tcp service data; buffering the acknowledgement data of the downlink tcp service data in a first buffer, and buffering the uplink tcp service data in a second buffer; and sending in priority the acknowledgement data of the downlink tcp service data in the first buffer.
|State switching method, inactivity timer starting method and user equipment|
The present invention provides a state switching method, an inactivity timer starting method, and a user equipment. The state switching method includes: sending, by a user equipment, a scheduling request to a network side, and receiving a newly transmitted data uplink grant that is delivered by the network side according to the scheduling request; setting the user equipment to an inactive state after the user equipment sending data according to the uplink grant; and switching the user equipment to an active state after a set period arrives and/or after it is determined that the data is sent successfully..
|Reducing interference caused by an atmospheric duct in a wireless communication system|
A first base station (14) in a wireless communication system (10) operating according to a synchronised time division scheme detects interference of uplink communication, determines the delay of the interference in relation to an own communication structure (cs1), detects aerial interface identifying data of the source of interference identifying a further base station and sends an indication of the further base station interfering uplink communication to the interference handling node (22). The indication is accompanied by identification data comprising aerial interface identifying data of the further base station and distance data determining the distance (d1) between the first and the further base station.
|Method and apparatus for transmitting control information in wireless communication system|
The present invention relates to a method for receiving a downlink control signal in a tdd-based wireless communication system, and to an apparatus therefor. The method comprises receiving a downlink signal via a downlink interval in a specific frame including the downlink interval, a guard interval and an uplink interval.
|Methods, devices and computer program products for interference reduction in tdd systems allowing allocation of flexible subframes for uplink or downlink transmission|
The present invention proposes methods, devices and computer program products in relation to interference reduction, in particular for control channels in tdd systems allowing allocation of flexible subframes for uplink or downlink transmission. In relation thereto, a format of data transmission in flexible subframes in the uplink and/or downlink is modified..
|Communication method and device used for time division duplex system|
Embodiments of the present invention, relating to the field of communications technologies, provide a communication method and device used for a time division duplex system. The communication method includes: adjusting a first uplink-downlink subframe configuration to a second uplink-downlink subframe configuration, where there is an intersection between subframes corresponding to the second uplink-downlink subframe configuration and subframes corresponding to the first uplink-downlink subframe configuration, where the intersection is a set of subframes having a same subframe index and a same subframe type, and the intersection includes at least one uplink subframe and at least one downlink subframe; and communicating, by the user equipment, according to a timing relationship same as a timing relationship corresponding to the first uplink-downlink subframe configuration, with the base station in the at least one uplink subframe and the at least one downlink subframe comprised in the intersection..
|Method for transmitting control information and apparatus for same|
A wireless communication system is disclosed. A method for transmitting uplink control information in a wireless communication system supporting carrier aggregation and operating in tdd includes: generating a first harq-ack (hybrid automatic repeat request—acknowledgement) set for a first cell using a value m; generating a second harq-ack set for a second cell using the value m; and transmitting a bit value corresponding to a third harq-ack set including the first harq-ack set and the second harq-ack set in an uplink subframe n, wherein m=max(m1, m2), max(m1, m2) representing a value being equal to or larger than not smaller between m1 and m2, wherein m1 corresponds to the number of downlink subframes corresponding to the uplink subframe n in the first cell, and m2 corresponds to the number of downlink subframes corresponding to the uplink subframe n in the second cell, wherein the first cell and the second cell have different ul-dl configurations..
|Method and arrangement for transferring information in a packet radio service|
A method and an arrangement for transferring information including delay sensitive data, such as speech and video data, in a packet radio service is provided. Data blocks are transmitted from a mobile station to a radio resource entity during a first active data transfer period using an uplink temporary block flow (tbf) connection.
|Method and system for self-optimized uplink power control|
A method for optimizing uplink power control settings in a wireless network, the method comprising generating a first gene pool comprising a set of parent genes, wherein each parent gene comprises a set of first generation power control solutions for a set of base stations in the wireless network. The method may further include performing natural selection on the first gene pool to generate a second gene pool comprising selected ones of the set of parent genes, wherein the selected parent genes are chosen by probabilistically selecting some of the parent genes based on fitness values assigned to the parent genes.
|Adaptive uplink coordinated multipoint communication for backhaul|
A method and system for adaptive coordinated multipoint support in a wireless communication system are disclosed. According to one aspect, the invention provides an uplink coordinated multipoint, comp, method.
|Methods and apparatus for communicating uplink data signals simultaneously with device to device data signals|
A wireless communications device, e.g., a mobile wireless terminal, is controlled by a base station to simultaneously: (i) transmit uplink data signals in an uplink spectrum to a base station and (ii) transmit device to device data signals in the uplink spectrum to another wireless communications device. In various embodiments, the uplink data signals are communicated in a first multi-antenna stream corresponding to a first multi-antenna configuration and the device to device data signals are communicated in a second multi-antenna stream corresponding to a second multi-antenna configuration.
|Base station and communication control method|
A base station (enb 100) is defined by 3gpp standards and includes a control unit (140) that, in a case where an uplink signal transmitted from a wireless terminal (ue) being served by another base station to this other base station is detected, determines the frequency band to be assigned to a wireless terminal (ue) being served by the base station (enb 100) on the basis of the frequency band of the detected uplink signal. At least in to the other base station, the frequency band of a downlink signal is made to correspond with the frequency band of the uplink signal..
|Reducing data transfer latency caused by state transitions in mobile networks|
Examples of reducing data transfer latency caused by state transitions in mobile networks are disclosed. A first disclosed example method comprises, while operating in a first state having fewer available radio resources than would be available in a second state, setting a traffic volume indicator if a wireless device determines that a radio link control (rlc) buffer occupancy is larger than a traffic volume measurement threshold, and sending the traffic volume indicator to a network in a transmitted message other than a cell update message having uplink data transmission as an update cause.
|Wireless communication method, base station and system|
Embodiments of the present invention provide a wireless communication method, base station and system. The base station includes several led lights and/or several vlc/ir receivers.
|Methods and devices for uplink multi-antenna transmissions in a telecommunication system|
The disclosure relates to controlling uplink transmissions according to closed loop multi-antenna techniques such as closed loop uplink transmit diversity and uplink multiple-input multiple-output (mimo). An exemplary method for use in a user equipment (81) configured for multi-antenna transmissions comprises a step of estimating (62) reception quality of a physical channel carrying pre-coding weight information to the user equipment (61).
|Methods and apparatus for timing synchronization during a wireless uplink random access procedure|
Aspects generally relate to wireless communications and, more particularly, to methods, systems and apparatus for timing synchronization during a wireless uplink random access procedure. For example, certain aspects relate to a technique for receiving first timing advance information associated with uplink wireless communications with a base station (bs), transmitting a random access connection request message to the bs, receiving a random access response from the bs while the first timing advance information is within a valid time period, the random access response comprising second timing advance information associated with uplink wireless communications with the base station, determining, after receiving the random access response, that the valid time period for the first timing advance information has expired, and utilizing the second timing advance information for uplink communications with the bs after determining that the valid time period for the first timing advance information has expired.
|Method for controlling uplink transmission power and wireless device using same|
Provided are a method for controlling uplink transmission power and a wireless device. The wireless device decides a first transmission power of a first uplink channel, which is transmitted through a first wireless resource from a first serving cell, and decides a second transmission power of a second uplink channel, which is transmitted through a second wireless resource from a second serving cell.
|Method for improving communication performance using vehicle provided with antennas|
The present invention relates to a mobile communication system, and more specifically, to a method for providing an improved communication environment for a terminal using a vehicle provided with antennas, and to an apparatus for executing same. As related to one embodiment of the present invention, a data transceiving method for a terminal using a vehicle-mounted type communication module comprising a plurality of antennas comprises the steps of: establishing a wire data path with the communication module; negotiating multiple-antenna capabilities with a base station using multiple-antenna capabilities information of the communication module; and transmitting to the communication module multiple-antenna transmission parameters on the basis of the negotiation, and a data unit comprising uplink data to be transmitted to the base station, wherein the data unit, which has been generated in the medium access control (mac) layer of the terminal and then converted into a radio frequency (rf) signal in the physical layer (phy) of the communication module, can be transmitted to the base station using the plurality of antennas..
|Method and device for controlling the transception of multiple pieces of control information in a wireless communication system|
The present invention relates to a method and device for dynamically controlling the multiple transmission of control information in a wireless communication system. The method for controlling the transception of multiple physical uplink control channels (pucchs) in a wireless communication system comprises: a base station transmitting instruction information, which controls the transmission of multiple pucchs, to a user terminal that performs the transmission of multiple pucchs through either a physical downlink control channel (pdcch), a medium access control (mac) layer, or radio resource control (rrc) signaling; and receiving multiple pucchs from said user terminal according to a multiple transmission instruction in said instruction information.
|Method and apparatus for adjusting transmission timing in wireless access system supporting carrier aggregation|
The present disclosure provides methods for allocating a timing advance (ta) value, which is used in a wireless access system supporting carrier aggregation (ca), methods for adjusting a wireless frame transmission time using the ta value, and apparatuses for supporting same. The method for adjusting the transmission timing in the wireless access system supporting carrier aggregation, according to one embodiment of the present disclosure, comprises the following steps: receiving a physical downlink control channel (pdcch) signal including a reservation bit (for example, a service cell indicator) for indicating at least one serving cell; receiving a media access control (mac) message including the ta value on an uplink wireless frame; and transmitting an uplink signal by applying the ta value from a serving cell indicated by the reservation bit..
|Scheduling request enhancements|
There is provided an method, apparatus for performing the method and a computer program product, wherein the method includes allocating to a terminal device multiple terminal device-specific physical uplink control channel resources for a transmission of a scheduling request from the terminal device, wherein the transmission of the scheduling request comprises multiple physical uplink control channel transmissions taking place on the allocated resources.. .
|Method and device for processing uplink control data in a wireless network|
A method for processing data in a wireless communication network is provided, wherein at least two resource pools for an uplink control channel are provided for mobile terminals for a geographical area, and wherein the mobile terminals in the geographical area uses at least one of the at least two resource pools for the uplink control channel. In addition, a corresponding device and system are suggested..
|Wireless resource allocation method, wireless resource allocation device, and communication system|
An allocation of wireless resources is performed to avoid interference caused as an uplink and a downlink are mismatched between neighboring cells. When interference at a base station is desired to be reduced, in each portion causing interference at a base station side, an abs is applied to any one of downlink and uplink sub frames.
|Method and apparatus for selectively enabling reception of downlink signaling channels|
In a wireless communication system including a wireless transmit/receive unit (wtru) and at least one node-b, a method and apparatus is used to selectively enable reception of at least one downlink (dl) enhanced uplink (eu) signaling channel established between the wtru and the node-b(s). During the operation of an enhanced dedicated channel (e-dch), the wtru monitors at least one dl eu signaling channel established between the wtru and the node-b(s) only when it is necessary, based on the wtru's knowledge of at least one established standard procedure.
|Apparatus and method for signaling in a wireless communication system|
A method of signaling in a wireless communication system (300) comprising a first network element (310) serving a wireless communication unit (325) with at least one packet data network (pdn) connection. The method comprises transmitting, by the first network element (310) to the wireless communication unit (325), a signaling message relating to a wireless communication unit (325) uplink (ul) pdn transmission, where the signaling message comprises a parameter indicative of at least one aggregate maximum bit rate (ambr) value..
|Configuration and mapping of uplink control channel resource|
The disclosure is related to configuration and mapping of uplink control channel resources. Particularly, the present disclosure relates to configuring and mapping uplink control channel resources for user equipment receiving downlink control information through a downlink control channel newly defined in a data region.
|Methods, network node, and user equipment for uplink multiple-input-multiple-output|
It is presented a method for controlling uplink multiple-input-multiple-output, mimo. The method is performed in a network node and comprises the steps of: determining an inter-stream interference between two uplink streams in mimo, multiple inputs multiple outputs, transmission; and controlling a selection of e-tfc, enhanced dedicated transport channel transport format combination, in response to the determined interference..
|Ofdm/ofdma frame structure for communication systems|
An ofdm/ofdma frame structure technology for communication systems is disclosed. The ofdm/ofdma frame structure technology comprises a variable length sub-frame structure with efficiently sized cyclic prefixes and efficient transition gap durations operable to effectively utilize ofdm/ofdma bandwidth.
|Methods and systems for harq protocols|
Methods described herein are for wireless communication systems. One aspect of the invention is directed to a method for a harq process, in which the harq process includes a first transmission of an encoder packet and at least one retransmission.
|Wireless resource allocation method and wireless resource allocation device, and communication system|
Inter-cell interference is avoided in a cellular system operated in a tdd scheme. An order of a plurality of configurations are rearranged in the ascending order of the number of downlink sub frames and in the descending order of the number of uplink sub frames, and configurations are switched between neighboring cells according to the rearranged order when different configurations are used in the neighboring cells.
|Method for transmitting/receiving data in wireless communication system and base station for same|
In the present invention, a method for transmitting/receiving data in a wireless communication system supporting carrier aggregation/multiple cells and a base station for same are disclosed. More particularly, the method comprises: receiving from the e node b through a physical downlink control channel (pdcch) of a first cell resource allocation information, which is set as a flag value indicating uplink resource allocation information, when performing cross-cell scheduling on a second cell through a first cell, according to an uplink-downlink configuration of the first cell from a plurality of cells which are set to a user equipment; determining the resource allocation information as a downlink resource allocation information, when the resource allocation information is received from a subframe perspective in which an uplink transmission time is not defined, based on the uplink-downlink configuration of the second cell; receiving the uplink resource allocation information from the e node b via a physical downlink shared channel (pdsch), according to the downlink resource allocation information; and transmitting to the e node b via a physical uplink shared channel (pusch) of the second cell uplink data, according to the uplink resource allocation information..
|Method for dynamic change of downlink/uplink allocation in lte-tdd systems|
A method of dynamically adjusting the downlink-uplink allocation in a tdd system, includes: transmitting a downlink-uplink allocation signal to at least one user device, wherein the allocation signals specifies a set of flexible subframes within a radio frame that can be flexibly configured as either downlink or uplink subframes; determining if a harq feedback signal falls within a flexible subframe; and re-assigning the harq feedback signal to be transmitted in a non-flexible subframe within the radio frame.. .
|Error prevention in dynamic uplink/downlink configuration change for time division duplex|
Method and apparatus which prevents or at least significantly reduces errors during dynamic tdd ul/dl configuration changes. Received downlink time division duplex subframes are monitored during a predetermined time window, wherein at least a portion of the subframes includes an uplink/downlink configuration indication.
|Method for transmitting uplink signal and apparatus therefor|
In the present invention, a user equipment measures a wireless signal from a specific cell, and decides whether to store and/or report to a base station information on a wireless link failure, if the wireless link failure occurs, depending on the type of a cell which is measured or the type of a frame in which the wireless link failure occurs. According to the present invention, the user equipment can be prevented from reporting unnecessary information to a network..
|Load balancing overlay network traffic using a teamed set of network interface cards|
A system includes a server including: logic adapted for receiving traffic from a virtual machine (vm), the traffic including at least one packet, logic adapted for hashing at least a portion of the at least one packet according to a hashing algorithm to obtain a hash value, and logic adapted for selecting an uplink based on the hash value; at least one accelerated network interface card (nic), each accelerated nic including: network ports including multiple peripheral component interconnect express (pcie) ports adapted for communicating with the server and a network, each network port including an uplink, logic adapted for encapsulating the at least one packet into an overlay-encapsulated packet, logic adapted for storing a media access control (mac) address corresponding to the selected uplink as a source mac (smac) address in an outer header of the overlay-encapsulated packet, and logic adapted for sending the overlay-encapsulated packet via the selected uplink.. .
|Scheduling of delay-sensitive traffic|
The invention concerns a method, uplink traffic control device and computer program product for reducing the delay of uplink communication between a mobile station and a wireless communication network. The uplink traffic control device (21) comprises an uplink scheme determining unit (24) configured to obtain a service type indicator associated with a mobile station and determine an uplink transmission scheme based on the obtained service type indicator and a transmission control unit (30) configured to periodically grant transmissions to be made from the mobile station according to the uplink transmission scheme in order to speed up mobile station transmissions to the wireless communication network..
|Intra-frequency load balancing method and apparatus thereof|
The present disclosure provides an uplink intra-frequency load balancing method. The uplink intra-frequency load balancing can be performed by adjusting a beam direction of a user equipment ue.