Abstract: A base station and a method thereof for acquiring channel status information in a mobile communication system operating in a multiuser multiple-input multiple-output transmission mode are provided. The method includes generating and transmitting, to a terminal, interference measurement configuration information for measuring interference caused by signals transmitted from a serving base station of the terminal to at least one other terminal in the transmission mode; and receiving channel status information generated using the transmitted information from the terminal.

Abstract: Various aspects described herein relate to dynamic uplink antenna port management. A user equipment (UE) may receive reference signal configuration information from a base station. The UE may configure one or more uplink antenna ports based on the received reference signal configuration information and transmit one or more reference signals to the base station on the one or more uplink antenna port. The UE may receive uplink configuration information for one or more data channels and/or one or more control channels. The UE may configure one or more uplinks antenna ports based on the uplink configuration information and may transmit one or more uplink signals on the one or more data channels and/or one or more control channels. The uplink configuration information may be based at least one the one or more reference signals transmitted to the base station.

Abstract: Provided are a method and an apparatus for stopping and restarting an MBMS service in a wireless communication system. A terminal receives multicast channel (MCH) scheduling information (MSI) and checks whether a special value is included in the received MSI. If the special value is included in the MSI, then whether to stop or suspend the MBMS service can be determined. That is, MSI can be considered in stopping the MBMS service. Furthermore, stopping is terminating an MBMS service without a consideration for restarting same, and suspending is terminating an MBMS service with a consideration for restarting same.

Abstract: Some demonstrative embodiments include apparatuses, systems and/or methods of performing a range measurement. For example, a first wireless communication device may include a radio to communicate a discovery frame with a second wireless communication device, the discovery frame including at least one movement indication field to indicate a time of movement of a sender of said discovery frame; and a controller to perform a range measurement procedure with said second wireless communication device.

Abstract: A method and apparatus for handling a L2 entity in a wireless communication system is provided. A user equipment (UE) receives data via a first logical channel, changes a type of a logical channel from the first logical channel to a second logical channel, determines whether to re-establish a L2 entity for the first logical channel, and receives the data via the second logical channel.

Abstract: Embodiments of the present disclosure provide an eMBMS system that includes a GW-C device connected to a mobility management entity and broadcast/multicast service center and a GW-U device connected to a base station and the mobility management entity. The GW-C device is configured to perform core network signaling interaction with the broadcast/multicast service center and the mobility management entity, and to send a forwarding indication message to the GW-U device. The GW-U device is configured to receive signaling from the base station and send the signaling to the GW-C device according to the forwarding indication message. The GW-C device is further configured to receive and process the signaling from the GW-U device. The GW-U device is further configured to send a received broadcast/multicast service data packet to the base station according to the forwarding indication message.

Abstract: A first parameter that is used for configuration of a cyclic prefix for transmission of first information is configured, a second parameter that is used for configuration of a cyclic prefix for transmission of second information is configured, and one third parameter that is used for configuration of cyclic prefixes for transmission of a first synchronization signal, transmission of third information, transmission of a second synchronization signal, and transmission the fourth information, and that is common to the transmission of the first synchronization signal, the transmission of the third information, the transmission of the second synchronization signal, and the transmission of the fourth information is configured.

Abstract: The present invention discloses are a method, a user equipment, and a base station for generating a pilot sequence. The method includes: determining a first parameter used to generate a pilot sequence in a first parameter candidate set, where the first parameter candidate set includes at least two timeslot numbers of the following timeslot numbers: a timeslot number obtained after downlink synchronization, a predefined timeslot number, timeslot numbers in a second type pilot configuration parameter, a timeslot number obtained from a high layer notification, and a timeslot number obtained from a dynamic notification, where a second type pilot is different from a pilot corresponding to the pilot sequence; and generating the pilot sequence according to the first parameter.

Abstract: Method of scrambling signals, transmission point device, and user equipment using the method are provided. The method includes: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, wherein the blind detection for the UE is enabled and the signaling overhead is reduced.

Abstract: A method and device for dispatching data carrier devices is provided. The device comprises: a communication interface; and a controller. The controller is configured to: receive, using the communication interface, an incident report including a location of an associated incident; determine from the incident report: that the location has limited wireless coverage; and information that is to be transported to the location of the associated incident; identify a data carrier device that is capable of transporting the information to the location and is one or more of: presently storing at least a portion of the information; and capable of downloading any portion of the information that is not presently stored at the data carrier device; and transmit, using the communication interface, a dispatch command to the data carrier device to travel to the location; and an indication of the information to be transported to the location.

Abstract: Embodiments of the present invention disclose a method and device for controlling sending of a GTP message, and a data sending method and device. A GTP message sending device receives a no-response time indication of user equipment sent from a GTP message response device, where the no-response time indication indicates a no-response time of the user equipment in an implicit or explicit manner, the GTP message sending device adjusts, according to the no-response time of the user equipment indicated by the received no-response time indication of the user equipment, a time of sending a GTP message, where adjusting the time of sending the GTP message is specifically postponing the time of sending the GTP message as the no-response time of the user equipment increases, or bringing forward the time of sending the GTP message as the no-response time of the user equipment decreases.

Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE.

Abstract: The embodiments disclose a method for an access node of a region from a plurality of regions in a cellular network to control access to the cellular network, the method comprising generating an access information table (AIT); sending the AIT to a plurality of communication devices, sending a first signature sequence; and sending a second signature sequence. The embodiments also disclose a method for a communication device to access cellular network, the method comprising detecting one or more of first signature sequences; selecting a first signature sequence; determining a region according to the selected first signature sequence; selecting an AIT, detecting a second signature sequence; determining an entry of the selected AIT according to the detected second signature sequence; and accessing the cellular network. The access node and communication device thereof are also disclosed according to the embodiments.

Abstract: The present invention proposes an apparatus and a method capable of forming M*N number of beams by a base station, which supports signal transmission/reception of the macro service area in heterogeneous networks in which a macro service area is formed with the M*N number of beams through a two-dimensional arrangement simultaneously considering the horizontal dimension and the vertical dimension and at least one small service is formed in the macro service area. To this end, at least one interference prediction beam formed to transmit signals interfering in transmission signals in at least one small service area from among the signals to be transmitted by the M*N number of beams is selected, and each of the M*N number of beams is formed in consideration of the inter-cell interference in at least one small service area due to the signals to be transmitted by at least one selected interference prediction beam.

Abstract: Provided is a communication control apparatus including: an information acquisition unit that acquires channel arrangement information for a first frequency channel on which an interference signal is transmitted and a second frequency channel on which a desired signal to be interfered from the interference signal is transmitted, the first frequency channel and the second frequency channel being a combination of frequency channels that can be partially overlapped with each other; and an interference control unit that determines overlapping on a frequency axis between the first frequency channel and the second frequency channel on the basis of the channel arrangement information, and calculates a protection ratio for protecting the second frequency channel from interference according to the determined overlapping.

Abstract: A communications device and method of communicating using a communications device is disclosed for performing device-to-device communications. The communications device is configured to determine in accordance with predetermined conditions whether the communications device is within a coverage area of a mobile communications network, and if the communications device is determined to be within the coverage area of the mobile communications network, to transmit or to receive signals via the wireless access interface to one or more other communications devices in accordance with device to device communications using communications resources of the wireless access interface allocated according to a first mode in which the mobile communications network performs resource allocation.

Abstract: The disclosure provides for a system that includes a network controller configured to determine a network configuration of a network and cause the network to implement the network configuration. The network controller may be configured to determine that an overall link bandwidth for a particular geographic area is less than a set bandwidth amount based on link bandwidth information for possible links directly connected to the particular geographic area. Based on a difference between the overall link bandwidth and the set bandwidth amount, the network controller may be configured to determine additional links to connect to the particular geographic area in a given network configuration of the network. The network controller may then send instructions to the plurality of nodes of the network to cause the plurality of nodes to implement the given network configuration and transmit client data at the given point in time.

Abstract: Provided is a communication control device including a setting unit configured to set a timing at which a predetermined signal is transmitted only from one of a plurality of base stations having an identical cell ID, and a determining unit configured to, based on a reception result of a communication device at the timing, determine a combination of base stations from the plurality of base stations, the combination of the base stations being used for transmitting a signal to the communication device.

Abstract: The present invention relates to a distributed radio base station, and provides a distributed radio base station, including: one or more base units (BUs) configured to process digital signals; and one or more radio units (RUs) installed in one or more target service areas, and configured to wirelessly communicate with pieces of user equipment; wherein each of the BUs is coupled to a cell group, composed of a set of RU groups each formed by grouping one or more of the RUs, over a transport network.

Abstract: A communication apparatus includes a search unit that searches for another communication apparatus identified by information obtained from a captured image, a communication parameter control unit that provides another communication apparatus with a communication parameter for performing wireless communication with an access point, and a control unit that, if the information obtained from the captured image conforms to a predetermined format, performs control based on the information obtained from the captured image such that the search unit searches for another communication apparatus identified by the information and the communication parameter control unit provides another communication apparatus detected by the search with the communication parameter, and if the information obtained from the captured image does not conform to the predetermined format, perform control such that the search unit does not search for another communication apparatus and the communication parameter control unit does not provide a

Abstract: It is provided a splitter device comprising: a first trunk cable interface for connecting with a first aggregation node via a first trunk cable; a first radio head interface for connecting to a first remote radio head via a first distribution cable; a second radio head interface for connecting to a second remote radio head via a second distribution cable; a signal combiner and splitter connected to the first radio head interface and the second radio head interface; and a radio signal refresh unit provided between the first trunk cable interface and the signal combiner and splitter. The radio head interfaces comprise respective gain control units and uplink signal amplifiers, wherein a gain of the uplink signal amplifiers is adjusted based on a signal from the respective gain control unit.

Abstract: A technique including determining that a first access node serving a communication device is currently in a dormant, first state in which said first access node is not receiving radio transmissions; and controlling a radio transmitter or radio transceiver at said communication device to transmit a radio signal that triggers at least one second access node to alert said first access node of a request for said first access node to switch from said first state to a second state in which said first access node receives radio transmissions.

Abstract: A software application and system that enables point-and-click interaction with a TV screen. The application determines geocode positioning information for a handheld device, and uses that data to create a virtual pointer for a television display or interactive device. Some embodiments utilize motion sensing and touchscreen input for gesture recognition interacting with video content or interactive device. Motion sensing can be coupled with positioning or localization techniques the user to calibrate the location of the interactive devices and the user location to establish and maintain virtual pointer connection relationships. The system may utilize wireless network infrastructure and cloud-based calculation and storage of position and orientation values to enable the handheld device in the TV viewing area to replace or surpass the functionality of the traditional TV remote control, and also interface directly with visual feedback on the TV screen.

Abstract: An operating method of an access point (AP) and an operating method of a relay are disclosed in which the AP may determine whether to associate with the relay based on at least one of first information indicating whether use of an overlapping channel is restricted, second information indicating whether an operation using a non-overlapping channel is supported by the relay, and third information indicating whether use of a channel identical to a channel used by the AP is requested.

Abstract: A radio communications system includes a base station and a mobile station configured to perform communication with the base station. The base station includes a selection unit and a first transmission unit. The selection unit selects identification information specifying a resource used by the mobile station for transmission of a signal from among a plurality of resources. The first transmission unit transmits the identification information to the mobile station. The mobile station includes a reception unit and a second transmission unit. The reception unit receives the identification information transmitted by the first transmission unit. The second transmission unit transmits the signal to the base station using the resource specified by the identification information.

Abstract: A system and method for coordinating wireless cellular communications for a plurality of cellular devices at a wireless coordination device. The method comprises establishing a data connection between the wireless coordination device and the plurality of cellular devices, wherein the cellular devices are configured to connect to at least one cellular network via wireless cellular communications; determining whether each cellular device is currently connected to a cellular network; determining at least one performance metric for each of the plurality of cellular devices that are currently connected to a cellular network; evaluating the performance metric(s) for each of the plurality of cellular devices; selecting one of the plurality of cellular devices based at least in part on one or more the evaluations; and configuring each of the plurality of cellular devices to carry out wireless cellular communications through the selected cellular device.

Abstract: A client device and a host device may create a local connection for providing wide area network access, such as Internet access, to the client device. In some embodiments, the client device may have limited network capabilities and may not be able to access the Internet without the host device. The client device may provide its speed and direction in a message to potential host devices. A host device may calculate a suitability metric, based on the speed and direction of the client as well as connection properties of the networks, which indicates an ability for the host device to connect the client device to the Internet. The host device may provide the suitability metric within a connection request to the client device. Based on the suitability metric and/or other factors, the client device and the host device may establish the local connection.

Abstract: Embodiments of the present disclosure provide a bandwidth selection method of a WiFi technology and an AP, and in the method, the AP obtains a negotiation bandwidth negotiated by the AP and a station STA. The method includes receiving, by the AP, a data transmission request of the STA, obtaining, by the AP, a transmission bandwidth upper limit of the STA, and delivering, by the AP, a first MCS to the STA if the transmission bandwidth upper limit is less than the negotiation bandwidth, where the first MCS is less than an MCS that corresponds to the negotiation bandwidth and that is in a correspondence between a bandwidth and an MCS, and is greater than or equal to an MCS that corresponds to the transmission bandwidth upper limit and that is in the correspondence between a bandwidth and an MCS.

Abstract: Embodiments of the present disclosure disclose a synchronization signal sending method, including: determining, by a transmit end device, a first signal, where the transmit end device operates in a serving cell, the first signal includes a first synchronization sequence, the first synchronization sequence is a sequence obtained after a special ZC sequence is cyclically shifted by a first quantity of digits and then dot multiplication or conjugate multiplication is performed on the cyclically shifted special ZC sequence and a characteristic sequence, the special ZC sequence is a ZC sequence with a root index being +1 or ?1, and the characteristic sequence and/or the first quantity of digits are/is corresponding to a cell identity of the serving cell. In the synchronization signal sending method provided in the embodiments of the present disclosure, signal synchronization can be implemented in an M2M technology by using the ZC sequence.

Abstract: Systems and methods are disclosed herein that relate to transmitting and receiving a transmission when there is a collision between the transmission and reserved resource elements. In some embodiments, a radio access node for a cellular communications network is disclosed, wherein the radio access node comprises a transceiver, a processor, and memory storing instructions executable by the processor whereby the radio access node is operable to transmit, via the transceiver, a downlink transmission to a wireless device using one or more Physical Resource Blocks (PRBs) that comprise reserved Resource Elements (REs) by puncturing the downlink transmission at positions of the reserved REs. In some embodiments, the downlink transmission is an Enhanced Physical Downlink Control Channel (EPDCCH) transmission or a Physical Downlink Shared Channel (PDSCH) transmission. Further, in some embodiments, the reserved REs are REs utilized for one or more CSI-RSs.

Abstract: A wireless device receives a plurality of parameters of a plurality of cells grouped into a plurality of physical uplink control channel (PUCCH) groups comprising a primary PUCCH group and a secondary PUCCH group. The plurality of parameters comprise configuration parameters for a secondary cell. The secondary cell is mapped to the secondary PUCCH group if a first parameter is present in the configuration parameters, otherwise the secondary cell is mapped to the primary PUCCH group. The secondary cell is considered to be the PUCCH secondary cell if PUCCH parameters are present in the configuration parameters.

Abstract: Method of scrambling signals, transmission point device, and user equipment using the method are provided. The method includes: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, wherein the blind detection for the UE is enabled and the signaling overhead is reduced.

Abstract: A communication system includes a transmitting communication device (310) and a receiving communication device (320). The transmitting communication device (310) determines a control element, e.g., a control element of a Media Access Control protocol, associated with one of the carriers and provides the control element with an identifier specifying the carrier the control element is associated with. The transmitting communication device (310) sends the control element with the identifier on one of the carriers to the receiving communication device (320). The receiving communication device (320) receives the control element and determines, from the identifier received with the control element, the carrier the control element is associated with. Further, the receiving communication device (320) determines, on the basis of parameters indicated by the control element, a data transmission property of the carrier the control element is associated with.

Abstract: Operational and environmental efficiency in virtual radio access networks (VRANs) can be improved by offloading data traffic and/or control signaling between physical transmit points (TPs) of a virtual TP. This may allow one or more physical TPs of the virtual TP to be muted in the downlink or uplink direction, thereby reducing energy consumption. The offloading may be performed during relatively short time-intervals such that physical TP are muted for one or more transmission time intervals (TTIs) before being re-activated. The offloading may also be implemented over longer time-intervals in accordance with a traffic engineering (TE) policy. Further it is possible to re-activate a de-activated downlink transmitter of physical TP by monitoring wireless signals via an activated receiver of the physical TP.

Abstract: A method, an apparatus, and a system for collecting information about a wireless local area network (WLAN) access point (AP). The method specifically includes: a user equipment (UE) receives WLAN AP request information from a base station in a Minimization of Drive Tests (MDT) measurement configuration process, collects WLAN AP information according to the WLAN AP request information, and sends the WLAN AP information to the base station, wherein the WLAN AP request information is used to request the UE to report WLAN AP information. By using an MDT measurement configuration process, a UE may collect and report WLAN AP information based on architecture of a mobile communications network. In this way, WLAN AP information can be conveniently collected.

Abstract: Techniques and devices for improving uplink positioning techniques are described. An example method, implemented in a first node in a wireless communications network, begins with obtaining multi-antenna configuration information or multi-antenna capability data, or both, for a second node in the wireless communications network. The node carrying out the node may be a radio base station, a measuring node, or a wireless device to be positioned, in various embodiments. In some embodiments, the second node is a measuring node. In others, the second node is the wireless device to be positioned. The method continues with adapting a multi-antenna configuration of the wireless device for one or more transmissions to be measured for positioning purposes, or adapting a multi-antenna configuration of the measuring node for one or more positioning measurements, or both. The adapting is based on the obtained multi-antenna configuration information or multi-antenna capability data, or both.

Abstract: A computer system including a storage device and a controller is provided. The storage device is configured to store Service Set Identifiers (SSIDs), location information, and Media Access Control (MAC) addresses of a plurality of Access Points (APs). The controller is configured to determine a group of APs among the APs, whose MAC addresses are within a MAC address block, determine a first number of the group of APs whose SSIDs match one or more of a plurality of predetermined naming patterns or whose location information indicates a location change across a predetermined distance, determine whether a ratio of the first number to a total number of the group of APs exceeds a predetermined threshold, and classify the APs in the group as mobile APs when the ratio exceeds the predetermined threshold.

Abstract: Method of scrambling signals, transmission point device, and user equipment using the method are provided. The method includes: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, wherein the blind detection for the UE is enabled and the signaling overhead is reduced.

Abstract: A method of retransmitting a packet for low-power wireless sensor communications of a coordinator in a sensor network is provided. The method includes receiving packets from a plurality of sensor devices during a plurality of guaranteed time slots (GTSs) of a Contention Free Period (CFP) which are allocated to the respective sensor devices; checking whether there is an error in each of the received packets; generating one GTS Bulk ACK frame that contains pieces of ACK information to be transmitted to the respective sensor devices, according to the error check results; and transmitting the generated GTS Bulk ACK frame to the plurality of sensor devices.

Abstract: A radio network node (RNN) (202) and a method therein, for handling of changing primary cell from a first cell (204) to a second cell (206) during re-selection of primary cell of a user equipment (UE) (208). The RNN is configured to serve the first cell, the UE is located within the first cell and is served by the RNN, and RNN and the UE are comprised in a communications system (200). The RNN transmits an RRCConnectionReconfiguration signal to the UE, which signal comprises an indication that the UE does not need to perform a random access procedure for the second cell when changing primary cell from the first cell to the second cell.

Abstract: The present invention provides a method for transmitting uplink control information (UCI) in a wireless access system supporting a multi-connection mode for a terminal to be connected to at least two small cells, and an apparatus therefor. In a wireless access system supporting a multi-connection mode, a method for enabling a terminal to transmit a confirmation response signal (ACK/NACK) according to an embodiment of the present invention includes the steps of: receiving an upper layer signal containing resource allotment information representing an allotted resource region in order to transmit a confirmation response signal; receiving a first physical downlink sharing channel (PDSCH) signal from a first small cell; receiving a second PDSCH signal from a second small cell; and transmitting a single confirmation response signal for the first PDSCH signal and the second PDSCH signal through the resource region represented by the resource allotment information.

Abstract: The present invention relates to methods for performing a radio resource measurement in a synchronized cell when a similar co-location is applied and apparatuses for supporting the same. As an embodiment of the present invention, a method in which a user equipment (UE) performs a radio resource measurement (RRM) in a radio access system may comprise the steps of: receiving a higher layer signal including similar co-location (QCL) information of a channel state information reference signal (CSI-RS) of a first cell and a cell specific reference signal (CRS) and/or a CSI-RS of a second cell; receiving the CRS and/or the CSI-RS of the second cell on the basis of the QCL information; and measuring a first RRM of the first cell by using the CRS and/or the CSI-RS of the second cell.

Abstract: Interference between reference signals from user equipments in a wireless network, the method may be reduced by using a received time shift value from a node in the wireless network. An interference randomization technique may be applied to a reference signal and a sequence may be generated based on the reference signal to which the interference randomization technique has been applied. A processed reference signal may be derived by applying a time shift based on the time shift value to the sequence. The processed reference signal may be transmitted to the node. Related systems, methods, nodes and wireless devices are also described.

Abstract: A method and an apparatus for supporting multiple frequency assignments in a wireless communication system are provided. An operating method of a Mobile Station (MS) for supporting multicarrier transmission in a wireless communication system includes negotiating a multicarrier operation with a Base Station (BS) during a network entry procedure, when supporting a multicarrier operation mode with the BS, sending a first control message comprising information of every multicarrier configuration supported by the MS, to the BS, receiving a second control message comprising index information of one or more carriers assigned for the multicarrier operation from the BS, and searching for configuration information of carriers corresponding to indexes of the one or more carriers assigned from the BS for the multicarrier operation.

Abstract: Estimating an unknown position of a receiver. In some embodiment, trilateration techniques that quantify uncertainty in the estimate of the unknown position are applied. One such technique for estimating a two-dimensional or three-dimensional position of a receiver uses an L-1 norm computation instead of an L-2 norm computation.

Abstract: Methods and systems for analyzing, ordering and presenting item listings are described. In one example embodiment, a search query is processed to identify item listings satisfying the search query. Then, for each item listing that satisfies the search query, a ranking score is derived and assigned to the item listing. The ranking score is based in part on a relevance score, a listing quality score and a business rules score (or, adjustment factor). Finally, the item listings are ordered, based on their corresponding ranking score, and presented in order in a search results page.

Abstract: A communication apparatus includes a search unit that searches for another communication apparatus identified by information obtained from a captured image, a communication parameter control unit that provides another communication apparatus with a communication parameter for performing wireless communication with an access point, and a control unit that, if the information obtained from the captured image conforms to a predetermined format, performs control based on the information obtained from the captured image such that the search unit searches for another communication apparatus identified by the information and the communication parameter control unit provides another communication apparatus detected by the search with the communication parameter, and if the information obtained from the captured image does not conform to the predetermined format, perform control such that the search unit does not search for another communication apparatus and the communication parameter control unit does not provide a

Abstract: A receiver includes a plurality of input paths for receiving and processing a plurality of input RF signals. The input paths isolate one or more portions of corresponding ones of the received input RF signals, and combine the isolated portions of the corresponding ones of the received input RF signals onto one or more output signals. A bandwidth of the isolated portions of the corresponding ones of the received input RF signals and a bandwidth of the output signals are variable. The isolated portions of the corresponding ones of the received plurality of input RF signals are extracted and utilized to generate the output signals. The portions of the corresponding ones of the received plurality of input RF signals may be mapped into one or more channel slots in the time domain. The channel slots may be assigned in the frequency domain to one or more frequency bins.

Abstract: A method and an apparatus for implementing a group call service. A user equipment of the trunking group call service receives group configuration information and a downlink assignment message and/or an uplink grant message from an evolved cell. The user equipment saves the group configuration information and the downlink assignment message and/or the uplink grant message. If the user equipment is in a group receive state at different points of time, trunking group call service data is saved by sharing a downlink resource, indicated by the downlink assignment message, with another user equipment in the group in a semi-persistent scheduling manner according to the group configuration information.

Abstract: A web camera and an operation method thereof are provided. The web camera includes a photographic unit, an infrared (IR) transmitter, a network communication unit and a processing unit. The photographic unit captures an image. The network communication unit establishes a connection with a remote host via a communication network. The processing unit sends the image captured by the photographic unit to the remote host via the network communication unit. The processing unit receives a control command from the remote host via the network communication unit. The processing unit transmits an IR control code corresponding to the control command to a target device via the IR transmitter. The processing unit determines whether the target device responds to the IR control code based on the image.