|| List of recent Communication System-related patents
| Centralized secure management method of third-party application, system and corresponding communication system|
A technique is provided for performing a centralized secure management on a third-party application. The technique includes receiving, by the centralized secure management system, an identity, an authentication credential and an access grant of the third-party application sent by the third-party application in a distinguishable manner.
| Personal television channel and system and method thereof|
A system for presenting media programming guides is disclosed. A system that incorporates teachings of the present disclosure may include, for example, a media processor having a controller to transmit to a media source a request to access media content of a personal television (tv) channel composed by a subscriber of a media communication system, transmit to the media source a communication identifier, and receive from the media source media content in the personal tv channel adapted according to the communication identifier.
| Method for efficient control signaling of two codeword to one codeword transmission|
In a wireless communication system, a compact control signaling scheme is provided for signaling the selected retransmission mode and codeword identifier for a codeword retransmission when one of a plurality of codewords being transmitted over two codeword pipes to a receiver fails the transmission and when the base station/transmitter switches from a higher order channel rank to a lower order channel rank, either by including one or more additional signaling bits in the control signal to identify the retransmitted codeword, or by re-using existing control signal information in a way that can be recognized by the subscriber station/receiver to identify the retransmitted codeword. With the compact control signal, the receiver is able to determine which codeword is being retransmitted and to determine the corresponding time-frequency resource allocation for the retransmitted codeword..
| Communication system and relaying device|
The relaying device includes a first receiving unit configured to receive at least one streaming video data from at least one sending device, a second receiving unit configured to receive, from one of at least one receiving device, information about a screen configuration of the one receiving device and information for designating a streaming video data to be sent to the one receiving device, a converting unit configured to dynamically convert at least one designated streaming video data among a plurality of pieces of streaming video data being received from a plurality of sending devices, into streaming video data with lower data volume so that the at least one designated streaming video data fits in the screen, and a sending unit configured to send the converted streaming video data to the one receiving device.. .
| Method and apparatus for monitoring internet connection status in wireless communication system|
A method and mobile station in a wireless communication system is provided. The method includes determining whether there is a packet that is at least one of transmitted and received for each of time intervals, determining a traffic status of at least one of transmission and reception based on a result of the determining of whether there is the packet that is the at least one of transmitted and received for each of the time intervals, and determining the internet connection status based on the determined traffic status of the at least on transmission and reception..
| Method and server for generating contact relationship data in network communication system|
A method and an apparatus for generating contact relationship data in a network communication system are disclosed. The method includes: selecting target users from contacts of an introducer according to a selecting instruction; sending an introducing request to each of user accounts of the target users; monitoring response instructions from the user accounts of the target users, and generating contact relationship data between the user accounts of the target users after detecting that all the user accounts of the target users return response instructions for accepting the introducing request.
| Method and apparatus for cancelling an interference in wireless communication system|
A method and an apparatus for cancelling interference in a wireless communication system are provided. The method includes acquiring interference signal information on a reception signal received from a base station based on a preconfigured constellation set, and cancelling an interference signal from the reception signal by using the acquired interference signal information.
| Rrc messages and procedures|
A method and apparatus for radio resource control (rrc) messaging. A method in a wireless communication system includes receiving, at a wireless transmit/receive unit (wtru) an rrc change command including a plurality of commands from a node b and receiving, at the node b, an rrc change response from the wtru, wherein the rrc change command includes a command for performing a measurement gap configuration procedure and a command for performing a measurement gap activation procedure..
| Mobile communication system with moving base station|
A mobile communication system employs moving base stations moving in the direction of flow of traffic moving along a roadway. The moving base station communicates with fixed radio ports connected to a gateway office.
| Terminal and base station in wireless communication system with multiple hierarchical cells and communication method of terminal in wireless communication system with multiple hierarchical cells|
Disclosed are handover and connection of a terminal and control of connection of a terminal by a base station in a communication environment including a plurality of communication cells having different ranges of communication coverage. According to an exemplary embodiment, a terminal of a wireless communication system including a plurality of hierarchical cells determines whether the terminal accesses a microcell in a macrocell as the terminal moves based on whether a control signal transmitted from a micro-base station managing the microcell is detected in a communication environment including a plurality of hierarchical cells divided according to communication coverage, determines whether the terminal connects to the microcell based on a connection criteria for the microcell, and connects to the microcell when the connection criteria for the microcell are satisfied and conducts communications using the macrocell when the connection criteria for the microcell are not satisfied..
| Method in which a terminal transceives a signal in a wireless communication system and apparatus for same|
The present application relates to a method in which a terminal transceives a signal in a wireless communication system. More particularly, the method comprises: a step of transmitting a measurement report on one or more neighboring base stations to a serving base station; a step of receiving a handover command message on a target base station from among said one or more neighboring base stations; and a step of performing handover to said target base station according to said handover command message.
| Base station device and communication system|
A cpu is connected with an external ram, so that the cpu is caused to function as a data exchange unit. When a second 3g circuit unit performs a communication process such as a process of framing a frame protocol, the cpu is caused to access the external ram such that the data required for the communication process is provided to the second 3g circuit unit.
| Apparatus and method of reporting logged measurement in wireless communication system|
A method and apparatus of reporting logged measurements in a wireless communication system is provided. A user equipment in a radio resource control (rrc) connected mode receives minimization of drive tests (mdt) configuration from a base station and starts a validity timer upon receiving the mdt configuration.
| Control apparatus and wireless communication system|
A smart phone carried by a user being aboard a vehicle transmits an automatic virtual network computing (vnc) request that is a request of a remote manipulation based on a trigger event that arises when a short range wireless communication is established with an in-vehicle apparatus in the vehicle. Further, the smart phone transmits a manual vnc request at the time when a manipulation for a vnc request is performed by a user.
| Apparatus and method for registering position in mobile communication system|
An apparatus and a method for registering a position, which periodically update a position of a user in a mobile communication system are provided. The method includes determining whether to stop reporting position information based on a current operation state for a mobile communication service and controls whether to maintain or stop reporting the position information based on a result corresponding to the determination.
| Method for simultaneous communications with multiple base stations and related communication device|
A method of handling simultaneous communications in a communication system comprises a user equipment (ue), a first base station and the second base station, where the ue has been connected to the first base station. The method comprises the first base station determining to allocate a cell of the second base station to the ue; the first base station transmitting a cell addition request message to the second base station in response to the determination, for requesting the second base station to allocate radio resources of the cell of the second base station to communicate with ue; and the first base station transmitting a first radio resource control (rrc) message to the ue, wherein the first rrc message comprises information related to the security key and information related to the security algorithm..
| Method and arrangement for transmitting and receiving rf signals through various radio interfaces of communication systems|
A method and arrangement for transmitting and receiving rf signals, associated with different radio interfaces of communication systems, employ a direct conversion based transceiver which substantially comprises one receive signal branch and one transmit signal branch. Mixing frequencies of the different systems are generated by a single common by use of an output frequency divider in combination with the synthesizer, and by use of filtering corresponding to a system channel bandwidth by means of a controllable low-pass filter operating at baseband frequency..
| Apparatus and method for measuring and using congestion in a wireless communication system|
A method and apparatus are for receiving a set of individual congestion reports, wherein each individual congestion report comprises a set of congestion values and an associated location. Each individual congestion report has been generated by one of a plurality of user devices operating in a wireless communication system and is based on at least one of a downlink congestion value, an uplink congestion value, and a core congestion value.
| Method and apparatus for managing data in near field communication system|
A data managing method of a terminal in a near field communication (nfc) system. The data managing method includes setting up an nfc link with a server; transmitting to the server, a request message including access level information of the terminal; and receiving from the server, a response message that classifies whether data access is allowed or restricted, based on an access level of the terminal, wherein the access level information of the terminal is included in a header of the request message..
| Car-to-x communication system, participant in such a system, and method for receiving radio signals in such a system|
Motor vehicles as well as infrastructure stations, which are stationary and which are installed on the side of the road such as traffic light systems for example, are provided as participants in a car-to-x network. The vehicles include an automobile radio together with the communication unit for communicating with other participants of the network.
| System and method for free space optical communication beam acquisition|
A free space optical communication system (10) including first and second mono-static transceivers (20a, 20b). Each transceiver (20a, 20b) includes a reflective assembly (40) defining a reflective surface (44) about a receiving end of a respective optical fiber (32) and configured to reflect optical signals (26) within a field of view of the transceiver (20a, 20b) as a modulated retro-reflective signal (28).
| Pdm-(m) ask optical systems and methods for metro network applications|
An apparatus, e.g. An optical communication system, includes an optical transmitter and an optical receiver.
| Wavelength path switching method, optical communication system, optical communication device, optical relay device, and network management device|
At least one of a first device, a second device, and a relay device compensates for wavelength dispersion in a first optical wavelength path. The first or second device changes a wavelength dispersion compensation amount at the first or second device so that wavelength dispersion in a second optical wavelength path is compensated.
| Receiver apparatus, reception method, communication system, and communication method|
A receiver apparatus includes a first frequency response estimator configured to calculate a first frequency response estimation value using a reference signal, a duration extractor configured to determine an estimation duration by extracting at least one duration from among a plurality of duration candidates into which a predetermined maximum delay time is divided, and a second frequency response estimator configured to calculate a second frequency response estimation value as a frequency response estimation value for demodulation using the first frequency response and the estimation duration. The receiver apparatus thus performs high-precision channel estimation even if a variety of pdps occur with time..
| Wide bandwidth digital predistortion system with reduced sampling rate|
A digital predistortion linearization method is provided for increasing the instantaneous or operational bandwidth for rf power amplifiers employed in wideband communication systems. Embodiments of the present invention provide a method of increasing dpd linearization bandwidth using a feedback filter integrated into existing digital platforms for multi-channel wideband wireless transmitters.
| Method and apparatus for transreceiving channel state information in cooperative multipoint communication system|
The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting channel state information in a cooperative multipoint communication system. A method for a terminal transmitting the channel state information (csi) with respect to multiple base stations in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving information on a periodic report setting of csi including a rank indicator (ri) with respect to a first base station and a first type of precoding matrix indicator (pmi), and information on a periodic report setting of csi including an ri with respect to a second base station and the first type of precoding matrix; and a step of transmitting the csi to the first base station and the second base station on the basis of csi report setting with respect to the first base station and the second base station, wherein a report on one of the first type of pmi with respect to the first base station, the first type of pmi with respect to the second base station, and the ri with respect to the second base station is omitted, and additional cis can be transmitted when the report is omitted..
| Wireless communication system with interference cancellation mechanism and method of operation thereof|
A method of operation of a wireless communication system includes: processing a received signal; calculating filter weights, by a filter weights estimation module, from the received signal; generating a corrected sequence, through a widely linear-single antenna interference cancellation (wl-saic) module, by applying the filter weights; calculating a channel estimation concurrently with the corrected sequence; and generating an adjusted data by an output equalizer including applying the channel estimation to the corrected sequence.. .
| Modulation analysis and distortion identification|
An apparatus, method, computer readable medium, and system are provided to generate a symbol placement associated with a transmission scheme by transforming a retrieved set of equalization coefficients. Symbols included in the symbol placement may be analyzed and quantified in terms of their distance from a decision boundary.
| Method of synchronizing a communication system|
A method of synchronizing a time division duplex (tdd) multi-line, multi-carrier data communication system is provided. Synchronization is established using unique pseudo-random bit sequences (prbs) from a common generator polynomial having different seed values.
| Half-frame request opportunities and operation within wired and/or wireless communication systems|
A communication device is configured to receive a message that indicates request opportunity parameter(s). Based on the request opportunity parameter(s), the communication device is configured to generate and transmit a transmission request within one of two or more request opportunities (e.g., 2, 3, 4, etc.
| Control apparatus for forwarding apparatus, control method for forwarding apparatus, communication system, and program|
A control apparatus for forwarding apparatuses is connected to forwarding apparatuses which forward a packet according to a forwarding rule and includes: an address storage unit that stores correspondence relationships between upper layer addresses and lower layer addresses; an address management unit that refers to the address storage unit to search for a corresponding lower layer address from an upper layer destination address of a packet to be forwarded through one or more of the forwarding apparatuses; and a forwarding rule setting unit that sets a forwarding rule for causing the one or more forwarding apparatuses on a forwarding path of the packet to be forwarded to perform a process of writing the searched lower layer address in a lower layer destination address field of the packet to be forwarded.. .
| Communication system, controller, communication method, and program|
In a centrally controlled communication system where a packet loss may occur in a switch on a forwarding path, transmission of a packet of a high-priority protocol is enabled. The communication system includes a group of switches which process a received packet(s) by referring to a flow entry that defines processing content to be applied to the packet(s) and a controller that controls the group of switches.
| Method and device for starting limited-time licenses for telecommunication systems in a controlled manner|
The invention relates to a method and a device for starting limited-time licenses for a telecommunication system (oso mx′) in a controlled manner, said system comprising a number of ip terminals connected thereto, preferably ip telephone devices. The licenses acquired by the respective customer for the telecommunication system (oso mx′) are downloaded from a central license server (cls′) on the internet.
| Method and an apparatus for access network selection in visited network in a wireless communication system|
A wireless communication system is disclosed. More particularly, access network selection scheme in visited network in a wireless communication system are disclosed.
| Method and apparatus for reselecting a cell in heterogeneous networks in a wireless communication system|
The present disclosure provides a method for cell reselection in a wireless communication system in which various radio access technologies (rats) coexist with each other. In a wireless communication system in which heterogeneous networks coexist with each other, the method of cell reselection between heterogeneous networks for a user equipment may include: receiving a system information block (sib) containing cell reselection parameters from a corresponding base station; checking whether cell reselection parameters based on a cell selection quality value (squal) are configured in the received sib; and performing, when cell reselection parameter based on squal are not configured, cell reselection based on a cell selection receive level value (srxlev).
| Method and apparatus for transmitting channel state information in wireless communication system|
Provided are a method and an apparatus for transmitting periodic channel state information (csi) in a wireless communication system. User equipment activates an uplink (up) semi-persistent scheduling (sps) session allocated to a secondary cell (scell), periodically transmits the periodic csi through a physical uplink shared channel (pusch) to a base station on the basis of the ul sps session allocated to the scell, and releases the ul sps session allocated to the scell..
| Transmitting constellation symbols in a communication system|
A method is provided for transmitting constellation symbols in a communication system. A set of orthogonal time-frequency mapping patterns (tfps) is generated from a tfp.
| Method for transmit diversity of harq-ack information feedback|
The present invention relates to a method for transmit diversity of harq-ack information feedback in a wireless communication system, said system being adapted to employ transmit diversity and non-transmit diversity transmissions of harq-ack information feedback, said method comprising: assigning uplink control channel resources and modulation symbols to harq-ack states for at least two antenna ports such that said harq-ack states are abled to be transmitted when associated uplink control channel resources are implicitly reserved, wherein at least one of said uplink control channel resources is assigned to more than one of said at least two antenna ports, and wherein uplink control channel resources and modulation symbols assigned to harq-ack states for one of said at least two antenna ports is the same as when non-transmit diversity of harq-ack information feedback is employed; and transmitting harq-ack states assigned according to said assignment step on said at least two antenna ports.. .
| Digital radio-communication system for changing a narrow-band infrastructure and terminals into a wide-band infrastructure and terminals|
The invention relates to a radio-communication system for push-to-talk applications, comprising: a narrow-band pmr-technology terminal capable of connecting, via a radio-electric interface, to a narrow-band network infrastructure for accessing, via a ptt server, a set of narrow-band ptt resources or applications; and a wide-band-technology terminal capable of connecting, via a radio-electric interface, to an ip-wan network for accessing, via a server, a set of wide-band ptt resources or applications, wherein said terminal comprises a client ptt application on the ip-wan network configured to establish an ip connection between the terminal and a ptt server over the ip-wan via an interface, such that said terminal can access the narrow-band ptt resources or applications and establish a communication channel with the terminal.. .
| Transceiving point, method for setting a reference signal of a transceiving point, terminal, and method in which a terminal transmits a reference signal|
The present invention relates to a wireless communication system in which a terminal transmits an uplink reference signal.. .
| Mobile station apparatus, communication system, communication method, and integrated circuit|
In a communication system including multiple mobile station apparatuses and at least one base station apparatus, the base station apparatus efficiently controls transmission of an uplink signal to the mobile station apparatuses. A path loss calculator calculates path loss on the basis of a reference signal received by a reception processing unit.
| Method and device for obtaining control information in a wireless communication system|
An embodiment of the present invention relates to a method for obtaining control information on terminals in a wireless communication system. The method includes performing blind decoding on at least one of a first and a second area of a sub-frame.
| Method and apparatus for random-accessing in wireless communication system|
The present invention relates to a method for performing a random access, more specially, to a method for a terminal performing a random access in a wireless communication system, and comprises a step of transmitting to a base station a random access preamble selected from either a first random access preamble group or a second random access preamble group, wherein the first and second random access preamble groups are discriminated depending one packet type to be transmitted by the terminal.. .
| Method and apparatus for communication with shortened signal formats|
Techniques for addressing high interference observed by a receiver in a wireless communication system are disclosed. The receiver may observe different interference power levels across a transmission symbol.
| Method of controlling reverse transmission in a mobile communication system|
An apparatus and method for controlling a reverse data rate in a mobile station. The method including determining a bit of a multi-bit control channel information based on at least two of a current data rate, transmission power, and an amount of data stored in a buffer of the mobile station; and transmitting the multi-bit control channel information to a base station.
| Method and apparatus for transmitting downlink control information for resouce allocation in a wireless communication system|
A method and apparatus for transmitting and receiving downlink control information (dci) in a wireless communication system. A method for transmitting dci by a base station includes generating the dci including at least one of a data format indicator for at least one transport block (tb), and a demodulation reference signal (dmrs) resource allocation indicator corresponding to the at least one tb; and sending the dci to a terminal.
| Method for selecting pmi for non-adaptive harq operation in a mimo wireless communication system|
A method for transmitting an uplink signal at a user equipment (ue) in a wireless communication system includes receiving, from a base station (bs), an uplink scheduling grant for multi-antenna transmission; transmitting the uplink signal precoded using precoding information included in the received uplink scheduling grant to the bs; and retransmitting the uplink signal to the bs according to acknowledgment/negative acknowledgment (ack/nack) corresponding to the transmitted uplink signal. The retransmitted uplink signal is precoded using precoding information included in a most recent uplink scheduling grant or a predetermined precoding matrix if an uplink scheduling grant for the retransmission is not received from the bs..
| Radio communication apparatus, radio communication system, and radio communication method|
A radio communication apparatus to perform communication with another radio communication apparatus by using a plurality of pairs of a downlink frequency band and an uplink frequency band, the apparatus includes: a receiving unit configured to receive a control message by using a downlink frequency band of a first pair among downlink frequency bands of the pairs during a random access procedure to said another radio communication apparatus, the control message including identification information indicating use of an uplink frequency band of a second pair different from the first pair, the downlink frequency band of the first pair being monitored for control messages by the radio communication apparatus; and a control unit configured to control the radio communication apparatus to perform data communication with said another radio communication apparatus by using the uplink frequency band of the second pair indicated by the identification information included in the control message.. .
| Method of handling a cell addition for dual connectivity and related communication device|
A method of handling a cell addition for dual connectivity in a communication system comprising a communication device, a first base station and a second base station, the communication device being connected to the first base station is disclosed. The method is utilized in the first base station and comprises transmitting a request message to the second base station, for requesting a cell addition for the communication device; receiving a response message comprising system information of a cell of the second base station from the second base station in response to the request message; and transmitting a first radio resource control (rrc) message comprising the system information to the communication device, after receiving the response message..
| Mobile communication system, base station apparatus, mobile station apparatus, and mobile communication method|
A mobile station apparatus that includes a controller that reduces transmission power in case that data is transmitted simultaneously and a transmission circuit that simultaneous transmits said data using a plurality of channels, where the plurality of channels consists of at least one physical uplink control channel and at least one physical uplink shared channel. The transmission circuit of the mobile station apparatus also transmit hybrid automatic repeat request control information on said at least one physical uplink shared channel and also transmits channel state information on said at least one physical uplink control channel..
| Operation of terminal for multi-antenna transmission|
Embodiments of the present invention relate to a method and an apparatus for enabling a terminal to transmit a signal in a wireless communication system. According to one embodiment, a signal transmission method includes: receiving configuration information for multi-antenna transmission from a base station; configuring a multi-antenna transmission mode in accordance with the received configuration information; and transmitting an uplink channel having a plurality of symbols to the base station through multiple antennas..
| Method and apparatus for transmitting and receiving feedback information in mobile communication system using multiple antennas|
A method and an apparatus for transmitting/receiving feedback in a mobile communication system are provided. A method of configuring and receiving feedback information of an evolved node b (enb) includes transmitting configuration information on a plurality of reference signals including a first reference signal and a second reference signal to a user equipment (ue); transmitting feedback configuration information including first feedback configuration information on the first reference signal and second feedback configuration information configured such that feedback information on the second reference signal is generated with reference to the first feedback configuration information to the ue; transmitting the reference signal to the ue according to the configuration information on the reference signal; and receiving feedback information including first feedback information according to the first feedback configuration information and second feedback information according to the second feedback configuration information from the ue..
| Method and apparatus for transmitting control information for interference measurement in a wireless communication system|
A method and apparatus for transmitting control information to a user equipment (ue) by an evolved node b (enb) for interference measurement in a wireless communication system are provided. The enb determines whether the ue can perform interference management for receiving a data signal transmitted from the enb based on information of an interference signal.
| Systems and methods for reduced latency when establishing communication with a wireless communication system|
Systems and methods reduce latency associated with establishing communication on a wireless network. In one aspect, an access point determines interface identifiers for associated stations.
| Systems and methods for reduced latency when establishing communication with a wireless communication system|
Systems and methods reduce latency associated with establishing communication on a wireless network. In one aspect, an access point determines interface identifiers for associated stations.
| Signaling method for handling of desynchronized default bearer context of the last remaining pdn connection|
In one example embodiment, a method includes receiving, by at least one user device, a request to deactivate at least one packet data network (pdn) connection between the at least one user device and at least one control node of a communication system. The method further includes determining, by the at least one user device, whether the at least one pdn connection is the only remaining pdn connection associated with the at least one user device and generating, by the at least one user device, a message based on the determining..
| Cognitive radio communication system and operating method thereof|
A communication system accessing to a backbone network is provided. The communication system includes a cloud and a wireless communication network connected to the cloud, and having a plurality of cognitive radio access points and a plurality of users, wherein the cloud performs the functions of network management, power control, and radio resource management..
| Coordinated digital radio distribution architecture|
A communication system architecture is provided, having an aggregator, arranged to centralize the access units and coordinate the radio signals of access units of different types digitally, and remote radio units configured to be modularly connectable to different types of radio elements that correspond to the access units and arranged to communicate with the aggregator digitally. Radio signals are scheduled and delivered with respect to the types of the access units and of the radio elements, and the aggregator is further arranged to handle distribution and combining of the radio signals digitally.
| Method of selectively reporting measurement result in wireless communication system and apparatus for the same|
A method of reporting measurement results performed by a user equipment in a wireless communication system is provided. The method includes: measuring at least one cell; checking whether interference occurs during the measurement; and transmitting a measurement report to a network.
| Communications architectures via uav|
A communication system comprising a transmitter segment, a segment of propagation with a plurality of transmission channels, and a receiver segment; wherein the transmitter segment at a source location inputting a plurality of input signals to be transmitted; transforming the input signals to wavefront multiplexed signals (wfm signals) by performing a wavefront-multiplexing transform (wfm transform), modulating the wfm signals into wfm waveforms by modulators, before transmitting the wfm waveforms through the segment of propagation to the receiver segment; wherein the segment of propagation comprising a plurality of transmission channels among the wfm waveforms; wherein a first wfm waveform is transmitted over a first transmission channel; and a second wfm waveform is transmitted over a second transmission channel; wherein the receiver segment in a destination receiving the wfm waveforms from the transmission channels; performing demodulation on the received wfm waveforms converting received wfm waveforms to received wfm signals individually by demodulators before performing a wavefront de-multiplexing transform (wfdm transform) on received wfm signals to recover individual desired signals.. .
| Method and apparatus for allocating sequence to synchronization channel for node identification in wireless communication system|
Provided is an apparatus for allocating a sequence to a synchronization channel for a node identification (id), the apparatus including: a base node sequence generator to generate a base sequence that is a sequence for a node id of a base node; a relay node sequence generator to generate a relay sequence that is a sequence for a node id of a relay node by transforming the base sequence; a baseband signal generator to generate a baseband signal by mapping the base sequence or the relay sequence to a frequency domain and a time domain; and a transmitter to transmit the baseband signal.. .
| Radio communication system, radio base station apparatus, user terminal, and radio communication method|
According to the present invention, even when the ratio between uplink subframes and downlink subframes is changed in each component carrier in tdd carrier aggregation, it is still possible to prevent a decrease in capacity. With the radio communication method according to the present invention, a radio base station apparatus generates a downlink control channel signal containing downlink control information including carrier indicator field information, and transmits the downlink control channel signal to a user terminal, and the user terminal receives the downlink control channel signal, and executes signal processing with respect to the downlink signal in accordance with the downlink control information.
| Method and apparatus for transmitting control information in a wireless communication system|
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method in which a terminal performs communication in a tdd-based wireless communication system having a plurality of ccs aggregated therein, the method comprising: a step of performing an uplink transmission or a downlink reception in each subframe on a first cc according to a first ul-dl configuration; and a step of performing an uplink transmission or a downlink reception in each subframe on a second cc according to a second ul-dl configuration.
| Method and apparatus for transmitting control channel depending on ue capability in intra-cell carrier aggregation system|
A method and an apparatus for transmitting a control channel when cells have different duplex structures in an intra-cell carrier aggregation system are provided. The method of transmitting and/or receiving a control channel by an evolved node b (enb) in a wireless communication system includes receiving capability information of a user equipment (ue) from the ue, transmitting scheduling information to the ue, transmitting downlink data according to the transmitted scheduling information, and receiving an uplink control channel for the downlink data from the ue based on the capability information of the ue..
| Anonymous communication system and transmission method of information transmission unit in anonymous communication system|
Disclosed are an anonymous communication system and a transmission method of an information transmission unit in the anonymous system. The method includes: after receiving an information transmission unit sent by a sending party, storing the information transmission unit in a storage pool, inserting the information transmission unit into a preset ordering queue, and generating more than one piece of index information according to content of the information transmission unit and information of the sending party; setting more than one index matching information of a receiving party; according to the index matching information of the receiving party, inquiring index information of the storage pool, finding out an information transmission unit set which meets the index matching information, selecting one information transmission unit from the set according to an ordering situation of each information transmission unit in the set in the ordering queue and a preset delivery strategy, delivering the information transmission unit to the receiving party, and adjusting the ordering queue according to a delivery situation.
| Feedback method in coordinated multi-point communication system and apparatus thereof|
The present invention relates to a wireless communication system, and more specifically to a method and an apparatus for feeding back the muting point information in a coordinated multi-point communication system. A method for enabling a terminal to transmit feedback information for the coordinated transmission in the wireless communication system according to one embodiment of the present invention comprises the steps: receiving reference signals for the feedback of the channel state information from a plurality of base stations capable of participating in the coordinated transmission; measuring each channel state value for the plurality of base stations based on the reference signals; and transmitting the muting point information to indicate the preferring base station participating in the coordinated transmission among the plurality of base stations..
| Method and device for measuring interference in a wirless communication system|
The present invention relates to a method and device for measuring interference in a wireless communication system. User equipment (ue) receives interference measuring indicators form a base station and measures interference based on the interference-measuring indicators by using all or some resource elements (re) that correspond to zero-power channel state information (csi) reference signal (rs) configurations..
| Method and apparatus for setting plurality of reference signal configurations in wireless communication system|
Provided are a method for operating a user equipment in a wireless communication system and the user equipment for performing same. The user equipment receives a plurality of channel state information (csi) reference signal (rs) configurations for indicating different usages, and performs an action based on each of the csi rs configurations..
| Method and apparatus for exchanging information between base station and terminal|
A method and apparatus of exchanging information on the number of layers which is supported commonly between the base station and the terminals in multi-user multiple input multiple output (mu-mimo) environment is provided for performance enhancement. The communication method of a terminal in a wireless communication system according to the present disclosure includes receiving a reference signal and information on a number of layers supportable simultaneously from a base station, measuring a channel state value based on the reference signal and the number of layers, determining whether the measured channel state value fulfills a minimum required channel state value, and transmitting, when the measured channel state value fulfills the minimum required channel state value, a value determined based on the measured channel state value to the base station..
| Interference measurement method and apparatus for new carrier type|
An interference measurement resource (imr) allocation method and apparatus for allocating resources for efficient interference measurement in a downlink in a system supporting a new carrier type (nct) is provided. The interference measurement configuration method of a base station transmitting subframes including, or not including, cell-specific reference signals (crs) in a wireless communication system includes determining whether a terminal supports a new carrier type (nct) subframe, allocating, when the terminal supports the nct subframe, interference measurement resources (imr) to the terminal at resource elements (res) where other signals are not mapped in the subframe, transmitting information on the allocated imr to the terminal, and transmitting the subframe including the allocated imr to the terminal..
| Method for reporting downlink channel state and apparatus therefor|
A method for reporting a channel state to a base station (bs) supporting downlink (dl) multiple-input multiple-output (mimo) in a wireless communication system includes measuring a dl channel based on a dl signal received from the bs, and reporting an index of a codebook for precoding of the dl signal according to the measured dl channel, wherein the codebook for precoding includes an integrated codebook having a dual structure including a codebook for a wideband and a codebook for a subband, and wherein the integrated codebook is determined depending on an index i1 of the codebook for the wideband and an index i2 of the codebook for the subband, and a structure or type of a codebook selectable using the index i2 varies according to the index i1.. .
| Method and apparatus for determining the configuration of a cellular transmission system|
A method for operating a computer to determine the operational parameters of an lte communication system includes an rec and a re that communicate with one another over a data link utilizing cpri frames that are translated into lte frames by the re is disclosed. The method includes synchronizing the data processing system with the cpri frames.
| Assigning dynamic gain factors to coordinate distributed radio units|
A way of optimizing communication by minimizing the momentary overall radiated energy under constraints in respect to coverage and maintenance of communication with the users, is provided herein. Channel parameters are estimated from downlink and/or uplink communications or from user equipment messages and desirable gain factors are derived from the minimization.
| Method for routing data over a telecommunications network|
An improved communication system in which routing of data packet follows a preferred path through the internet. Data packets are repacked with preferred ip addresses according to routing tables provided by a monitoring facility.
| Channel bonding for multiple communication systems|
Described is a method of managing the bonding of transmissions over a legacy transmission system and over a new transmission system, the legacy transmission system comprising a legacy cable modem termination system (cmts), the new transmission system comprising a new cmts and configured to transmit data using a new mode, the method comprising: receiving data at the new cmts, the data comprising an identification of a receiver as a destination for the data, the legacy receiver configured to receive data transmitted using the legacy mode; monitoring an output of the legacy cmts; and determining, based on the monitored output, whether to route the data to the legacy cmts to transmit to the receiver.. .
| Method and apparatus for controlling data transmission in a communication system|
A method and apparatus for controlling data transmission in a communication system is provided. In one aspect of the invention relates to a method performed by a data transmission control node in a communication system.
| Systems and methods for prioritization of data for intelligent discard in a communication network|
Capacity and spectrum constrained, multiple-access communication systems optimize performance by selectively discarding packets. Changes in the communication systems may be driven using control responses.
| Systems and methods for synchronizing wireless communication device configurations|
An apparatus operable in a communication system is described. The apparatus includes means for sending a connection reconfiguration message using a first configuration.