Abstract: A network node, a first device and methods therein for managing a transmission power parameter indicating power of transmission to be sent on at least one Device-To-Device “D2D” link between the first device and a second device are disclosed. The method comprises determining a load relating to D2D communication between at least the first and second devices. Moreover, the method comprises determining the transmission power parameter based on the load. Corresponding computer programs and carriers therefor are also disclosed.

Abstract: A method and an apparatus for feedback based on information transmitted between base stations (or base stations) through cooperative communication are provided. The method includes receiving, from the second base station, a first message for requesting a channel state information (CSI) report, and transmitting, to the second base station, a second message including the CSI report, based on the first message. The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE).

Abstract: Techniques described herein may allow for the selective enabling and/or disabling of shared access points (“SAPs”). The selective enabling and/or disabling may occur based on the analysis of key performance indicators (“KPIs”) associated with the SAPs. The selective enabling and/or disabling may cause the SAPs to cease (or continue) broadcasting their availability for User Equipment (“UEs”) of a particular wireless provider, decline (or accept) bearer requests for UEs of the particular wireless provider, or terminate existing connections with UEs of the particular wireless provider. The selective enabling and/or disabling may be performed for certain applications or Quality of Service (“QoS”) levels. The selective enabling and/or disabling may be performed proactively (e.g., without necessarily determining that the performance for a given SAP has not met a threshold performance), based on historical trends.

Abstract: A method and an apparatus for logging and reporting MBMS-related measurement information by a terminal in a wireless communication system is provided. The method includes receiving, from a base station, configuration information for configuring the terminal to receive an MBMS; and logging, if the terminal receives the MBMS, information of the MBMS based on the received configuration information.

Abstract: A system for over the air analyzing is provided. The system comprises an analyzing unit, an antenna, and a load switch. The load switch is used for connecting a reference load. In addition to this, the load switch is integrated in the antenna, or a first signal path between the antenna and the load switch is shorter than a second signal path between the load switch and the analyzing unit.

Abstract: A method by which an STA transmits a multi-user (MU) frame in a wireless communication system, according to one embodiment of the present invention comprises the steps of: receiving, from an access point (AP), a second downlink frame including time synchronization information and frequency synchronization information; adjusting a time synchronization and a frequency synchronization by using the time synchronization information and the frequency synchronization information; receiving a third downlink frame including MU frame allocation information; and transmitting the MU frame according to the MU allocation information, wherein the time synchronization information is determined by comparing, to a reference value, a difference of measurement values relating to frames exchanged prior to the reception of the second downlink frame, and the reference value is a common value among STAs related to a multi-user transmission.

Abstract: A resource allocation method and apparatus whereby a master base station of a virtual cell having at least one slave base station for cooperative resource allocation to a mobile station in a wireless communication system are provided. The resource allocation method includes transmitting, to the slave base station, a resource allocation request message including information on the resource to be allocated to the mobile station, receiving a resource allocation response message including one of accept and reject indications to the resource allocation request from the slave base station, transmitting, to the mobile station, a resource allocation information including a result of resource allocation negotiation with the slave base station, and transmitting data to the mobile station in cooperation with the slave base station based on the resource allocation information.

Abstract: A method and an apparatus for transmitting/receiving data using a plurality of carriers in a mobile communication system. The method includes receiving a control message for configuring a second cell group associated with a second base station. The control message includes first information on a bearer type. The method also includes identifying whether the bearer type is a first bearer type. A bearer is associated with both the first base station and the second base station in the first bearer type. The method also includes, if the bearer type is the first bearer type, obtaining second information in the control message. The second information indicates whether uplink transmission is performed via the second cell group for the first bearer type, and if the second information indicates that the uplink transmission is performed via the second cell group for the first bearer type, transmitting uplink data via the second cell group.

Abstract: A device and method for transmitting user equipment capability information to a network. In a first mechanism, the device and method transmits carrier aggregation (CA) combinations supported by the user equipment in a priority order to the network. The priority order may be determined based on most recent camped bands and the neighbor bands of the most recent camped bands. In a second mechanism, the device and method transmits indicators corresponding to types of gapless measurements, where when an indicator is set to the user equipment being incapable of performing the type of gapless measurement, the capability message does not include individual indications for the bands for that type of measurement.

Abstract: Aspects of the subject disclosure may include, for example, a method for receiving a first target allocation of a radio access network resource of a radio access network of a communication network, transmitting first configuration information to the radio access network to configure the radio access network according to the first target allocation, receiving from the radio access network a first utilization of the first portion of the capacity of the radio access network resource, comparing the first utilization to a first utilization threshold responsive to receiving the first utilization from the radio access network, determining an adjustment of the first target allocation of the radio network resource according to the comparing of the first utilization to the first utilization threshold, and transmitting second configuration information to the radio access network to re-configure the radio access network according to the adjustment of the first target allocation of the radio network resource.

Abstract: A wireless network environment configuration system and method thereof are disclosed. A network device receives the network environment configuration from a master access point (AP) when the network device is in AP mode and the master AP exists; and the network device scans the wireless network to obtain a wireless network report when the master AP does not exist, and the network device calculates channels that are appropriate for all network device according to the wireless network report so as to generate the network environment configuration to transmit to all network devices in AP mode; and the network device connects with other network device in AP mode and having the network environment configuration to receive and store the network environment configuration when the network device in STA mode and the network environment configuration does not exist. Thus, the system and method thereof can improve convenience in setting wireless network.

Abstract: A data flow statistics collection method, a switch, and a controller. The data flow statistics collection method includes recording first identification information and second identification information in the first flow entry if a part of fields in a data packet match a flow entry and the flow entry is the last flow entry corresponding to the to-be-counted flow object, where the first identification information identifies that the first part of fields match the first flow entry and the second identification information identifies that at least one second part of fields in the data packet respectively match a second flow entry in at least one second flow table. The data flow statistics collection method also includes performing, in the first flow entry, statistics collection on the to-be-counted flow object, and recording statistical information of the to-be-counted flow object. In this way, statistics collection on the to-be-counted flow object is implemented.

Abstract: A communication system where a terminal apparatus (UE) communicates with a base station apparatus (BS) that configures a first cell. The UE acquires, from the BS, first information and second information, whereby the first information specifying a first number indicating a first subframe, the first subframe including a first resource element in which a first reference signal of the first cell is placed, the second information specifying a second number indicating a second subframe, the second subframe including a second resource element in which a second reference signal of a second cell other than the first cell is to be placed, and the second resource element being not used to transmit a signal of the first cell. The UE also demaps data, whereby, in the second subframe, the data is mapped on resource elements which do not include the second resource element.

Abstract: A software defect detection tool determines a modification in a software code at a first time and analyzes an execution of the software code to detect a performance issue at a second time. The software defect detection tool detects a defect in the software code by a comparison of the first time and a second time. A software defect analysis tool generates a cause/category combination for a software code defect. The software defect analysis tool determines whether the cause/category combination is an approved combination and whether the software code defect is a false positive. The software defect analysis tool generates a corrective action plan indicating measures to implement to reduce software defects.

Abstract: A method of control Maximum Transmission Unit (MTU) reporting and discovery using AT commands is proposed. In communications networks, the MTU of a communication protocol of a layer is the size (in bytes or octets) of the largest protocol data unit that the layer can pass onwards. In an IP network, IP packets may be fragmented if the supported MTU size is smaller than the packet length. In accordance with one novel aspect, the packet data protocol (PDP) context of a packet data network (PDN) connection comprises MTU information. By introducing MTU information to the PDP contexts, TE can use AT commands to query MTU parameters from the network and thereby avoid fragmentation. TE can also use AT command to set MTU parameters and thereby control MTU discovery.

Abstract: A communication terminal (200) propagates a distance packet, and the distance packet is transmitted to a location identification apparatus (300) via an access point (110). The distance packet includes a start-point distance, an end-point distance, and a terminal distance. The start-point distance is a distance between a start-point terminal and a start-point point, which is an access point detected by the start-point terminal. The end-point distance is a distance between an end-point terminal and an end-point point, which is an access point detected by the end-point terminal. The terminal distance is a distance between each other of communication terminals. The location identification apparatus identifies a location of each communication terminal based on distances included in the distance packet, coordinate values of the start-point point, and coordinate values of the end-point point.

Abstract: A dynamic network load regulating device includes a first network bridge, a second network bridge, a third network bridge, and a traffic monitoring module. The second network bridge and the third network bridge are further coupled to a plurality of terminal devices. Each of the network bridges includes a plurality of ports. The traffic monitoring module is configured to monitor the plurality of ports traffic load. When a first data transmission path traffic load reaches a congestion threshold, the dynamic network load regulating device increases the first data transmission path cost to select a second data transmission path to transmit network data. A method for the dynamic network load regulating device is also provided.

Abstract: A method for determining a precoding matrix indicator, user equipment, and a base station are disclosed in embodiments of the present invention. The method includes: receiving a first reference signal set sent by a base station, where the first reference signal set is associated with a user equipment-specific matrix or matrix set; selecting a precoding matrix based on the first reference signal set, where the precoding matrix is a function of the user equipment-specific matrix or matrix set; and sending a precoding matrix indicator to the base station, where the precoding matrix indicator corresponds to the selected precoding matrix. In the embodiments of the present invention, CSI feedback precision can be improved without excessively increasing feedback overhead, thereby improving system performance.

Abstract: A diagnosis device includes: a processor that executes a diagnosis program; and a memory that stores the diagnosis program, wherein the processor, based on the diagnosis program, performs operations to: collect a data transmission variable set by a data transmission path characteristics from a transceiver device on a diagnosis target path; and perform diagnosis for the diagnosis target path with reference to diagnosis reference information that includes a value of the data transmission variable and determination information associated with each other, based on collected data transmission variable.

Abstract: A method for use with a packet communication network includes receiving a plurality of packets at a sink node, calculating a one-way sink packet inter-arrival time between a first packet and a second packet received by the sink node according to a local sink clock time, calculating a one-way source packet inter-arrival time between the first packet and the second packet received by the sink node according to a local source clock time encapsulated in the first and second packets, estimating a ratio of clock skew between the source node and the sink node as a function of the one-way sink packet inter-arrival time and the one-way source packet inter-arrival time, and performing a calibration action in the network as a function of the ratio of clock skew between nodes.

Abstract: Certain features relate to systems and methods for planning and optimizing a distributed antenna system (“DAS”) based on measurements taken from the radio environment surrounding the DAS. An operation and management system can determine a mapping of external cells based on measurements of downlink signals taken by a measurement subsystem. The operation and management system can determine a mapping of internal cells as well as a neighboring cell relation table. The DAS element management system or network operator can configure the DAS based on the mapping of external cells, mapping of internal cells, and the cell relation table. Additionally, based on neighboring cell signal power measurements taken by user devices, the a common interface between the DAS and the radio access network can determine a radio environment map estimating positions of the user devices connected to the DAS.

Abstract: The present application discloses an interference coordination method and an apparatus, which are applied to the communications field and can determine, among inter-RAT networks that share a frequency spectrum, a physical resource for interference coordination. The method includes: acquiring, by a second base station, time-frequency position information corresponding to cell key information of a first base station, where the time-frequency position information is used for determining a time-frequency position that is corresponding to the cell key information of the first base station and that is on a shared time-frequency resource, and the cell key information includes at least one of a cell-specific reference signal (CRS), a channel state indication-reference signal (CSI-RS), a physical broadcast channel (PBCH), and a synchronization signal. The method also includes performing, by the second base station, interference coordination on the first base station.

Abstract: Apparatus, computer readable medium, and method for generating and receiving signal fields in a high efficiency wireless local-area network (WLAN) are disclosed. A high-efficiency wireless local-area network (HEW) device including circuitry is disclosed. The circuitry may be configured to: receive a physical (PHY) header or media access control (MAC) header from a second HEW station, wherein the PHY header or MAC header comprises an indication of a spatial reuse opportunity and a defer duration; adjust one or more parameters to determine whether or not the wireless medium is in use; and determine whether to transmit within the spatial reuse opportunity based on the adjusted one or more parameters. The circuitry may be configured to adjust one or more parameters to determine whether or not the wireless medium is in use in where the parameters are signal detect (SD) threshold, a mid-packet detection (MPD) threshold, and an energy detection (ED) threshold.

Abstract: An example method of transmitting data to a destination node in a wireless communications network includes detecting, at a wireless device, a plurality of mesh nodes connected to a common communications medium used to access a wireless communications network. The method also includes calculating a score for the mesh nodes of the plurality of mesh nodes, where the score is based on a hop distance between the respective mesh node and a root access point connected to the wireless communications network, the quality of signal between the wireless device and the respective mesh node, the data bandwidth between the wireless device and the respective mesh node, and/or the current number of mesh nodes using the respective mesh node as a wireless access point to connect to the wireless communications network. The wireless device selects a mesh node to connect to as a mesh access point based on the calculated scores.

Abstract: An electronic device and method of providing network service are provided. The electronic device includes at least one processor configured to select a subscriber profile to be used by an external electronic device functionally connected to the electronic device from among a plurality of subscriber profiles available in the electronic device, and a communication interface configured to provide, to the external electronic device, a network service based on the subscriber profile selected. The method includes receiving a network connection request from an external electronic device functionally connected to an electronic device; selecting a subscriber profile to be used by the external electronic device from among a plurality of subscriber profiles available in the electronic device in response to the network connection request received by the electronic device; and providing, by the electronic device, a network service based on the selected subscriber profile to be used by the external electronic device.

Abstract: An apparatus and method for tracking a large number of wireless terminals being used by wireless subscribers and for estimating the location of the terminals at each instant. Some embodiments of the present invention use a combination of cluster analysis, interpolation of information between identified clusters, and averaging of the interpolated information, in order to predict when it might be beneficial to issue a location request to a location engine, for each subscriber.

Abstract: A method of wireless communication is presented. The method includes receiving, at a user equipment (UE) operating on an authorized shared access (ASA) spectrum, an inter-frequency measurement report from a wireless device operating in a specific area and operating on a spectrum that is different from the ASA spectrum. The method also includes receiving, at the UE from a network controller, a transmission adjustment request based at least in part on the measurement report. The method further includes adjusting, at the UE, a transmission based on the transmission adjustment request and/or the measurement report.

Abstract: [Object] To provide a wireless communication device and a wireless communication method capable of reducing an inequality of transmission opportunities occurring when a carrier sense level is changed. [Solution] A wireless communication device includes: a wireless communication unit configured to perform wireless communication with another device; and a control unit configured to set a first carrier sense level and control a parameter used by the wireless communication unit to transmit data based on a comparison result between the set first carrier sense level and a second carrier sense level which is a default.

Abstract: In embodiments, a wireless device, such as a Wi-Fi device, transmits communication signals on secondary channels within an operational bandwidth of a wireless network, concurrent with a transmission from another wireless device on a primary channel. The wireless device may detect that a first frequency band within an operating bandwidth of a wireless network is occupied by a first transmission transmitted by a second wireless device, and determine that a second, different frequency band within the operating bandwidth of the wireless network is not occupied. In response, the wireless device may transmit a second transmission occupying the second frequency band concurrent with the first transmission. The wireless device may set a duration of the second transmission based at least in part on a determination of whether the second wireless device is configured to assess the state of all frequency bands within the operating bandwidth before beginning a subsequent transmission.

Abstract: A method of control Maximum Transmission Unit (MTU) reporting and discovery using AT commands is proposed. In communications networks, the MTU of a communication protocol of a layer is the size (in bytes or octets) of the largest protocol data unit that the layer can pass onwards. In an IP network, IP packets may be fragmented if the supported MTU size is smaller than the packet length. In accordance with one novel aspect, the packet data protocol (PDP) context of a packet data network (PDN) connection comprises MTU information. By introducing MTU information to the PDP contexts, TE can use AT commands to query MTU parameters from the network and thereby avoid fragmentation. TE can also use AT command to set MTU parameters and thereby control MTU discovery.

Abstract: Provided are a method and device for processing a network access, and a network access method and device. The processing method includes: acquiring resource configuration information of an access signal group, the resource configuration information including: a sending resource required by a terminal for sending an access signal on a resource corresponding to the access signal group, and an access response resource corresponding to the access signal group, the access signal being used for accessing a network, the access response resource being used for indicating a resource used by a sending device of the access signal when receiving a response signal of the access signal; and notifying the terminal of the resource configuration information.

Abstract: Systems and methods for undoing changes or modifications made to a communication network are described. In some embodiments, the systems and methods access a request to rollback one or more changes made to parameters of managed objects associated with a communication network within a given time period, retrieve information identifying the one or more changes made to the parameters of the managed objects within the given time period, and, for each managed object, determine a cumulative changetype (e.g., add, deleted, or update) associated with the one or more changes made to the parameters of the managed object and perform an action to apply the determined cumulative changetype to the managed object.

Abstract: This application discloses a carrier indication method, user equipment, and a base station. The method includes: receiving, by user equipment, first information sent by a base station; if the user equipment is capable of transmitting uplink data and downlink data on a carrier, determining, by the user equipment according to the first information, a carrier used for transmitting first-type information; and transmitting, by the user equipment, the first-type information on the determined carrier, where the first-type information includes at least one of the following: uplink data, downlink data, and scheduling information. In this application, user equipment determines, according to first information sent by a base station, a carrier used for transmitting information, and therefore, can normally transmit information.

Abstract: Provided are an apparatus and a method for allocating resources in a wireless communication system. In particular, the present invention includes the feature of alternately allocating resources for D2D communication and resources for cellular communication, or allocating resources of a D2D link to not be adjacent to each other. In addition, the present invention prevents interference with the cellular communication and interference with other D2D links by allocating a partial area of the resources allocated for the D2D communication to an area for transmitting a D2D uplink symbol to an eNB, or by adding a GP symbol to a partial area of the resources for the D2D communication. Furthermore, in the case of applying a TDD scheme, the present invention prevents interference with symbols for performing the cellular communication by defining a partial section of a special subframe as a section for transmitting the D2D uplink symbol, or by reflecting a time delay of N OFDM symbol durations.

Abstract: Aspects of the subject disclosure may include, for example, a system that obtains uplink parameters associated with different sectors of a wireless network where the uplink parameters are associated with uplink transmissions of a first end user device. The system can determine a differential path loss for the first end user device based on the uplink parameters where the differential path loss is between the different sectors of the wireless network. The system, responsive to a determination that the differential path loss does not satisfy a differential path loss threshold, can determine a restriction for utilization of a particular frequency and power level over a particular time period, where the determination that the differential path loss does not satisfy the differential path loss threshold can be performed without utilizing channel quality data from the first end user device. Other embodiments are disclosed.

Abstract: Systems, methods, and computer-readable media for dynamically optimizing the use of full-power broadcast beamforming within a wireless communication network are provided herein. Though full-power broadcast beamforming may result in increased interference and decrease throughput, the increased coverage area provided by full-power broadcast beamforming is favored under certain conditions, including the locations of user devices within a network cell. Accordingly, location data may be received from user devices within a network cell utilizing a plurality of beams, and the locations of each of the user devices may be used to determine whether to enable full-power broadcast beamforming where each beam within plurality of beams is at a maximum signal strength. Upon determining to enable full-power broadcast beamforming, a signal weight for one or more of the beams may be adjusted to full power.

Abstract: A method and an apparatus for activating and deactivating secondary cells in a carrier aggregation environment are provided. In one embodiment, a Medium Access Control (MAC) Control Element (CE) command is received from a base station for activating/deactivating a secondary cell associated with a User Equipment (UE). The secondary cell configured for the UE is activated/deactivated based on the MAC CE command. Further, a first uplink grant is received from the base station upon activation/deactivation of the secondary cell. Accordingly, quality information (e.g., channel quality information, sounding reference signal information, and the like) associated with the cell(s) is transmitted to the base station in the received first uplink grant over a physical uplink shared channel. Furthermore, a hybrid automatic repeat request entity associated with the secondary cell is reset.

Abstract: Disclosed is a communication method of a terminal utilizing outdated channel information in a two-cell, three-user network environment, the method comprising: transmitting nine different first linear combinations to a first base station in each time slot during a first time interval; receiving a first feedback signal from a second base station which has received the first linear combination as an interference signal; transmitting four different second linear combinations to the first base station during a first sub-time interval of a third time interval; receiving a second feedback signal from the second base station which has received the second linear combinations as an interference signal; and transmitting reconfiguration signals consisting of eight data symbols to the first base station during a third sub-time interval of the third time interval. Further, a communication method of a base station corresponding to such a terminal is also disclosed.

Abstract: In embodiments, apparatuses, methods, and storage media may be described for distinguishing, by a user equipment (UE), a reference signal (RS) transmitted by a cell that may have a same identifier (ID) as another cell in a network. In embodiments, a muting pattern, a time offset, or a virtual cell identifier (VCID) may be used to generate an RS sequence or RS resource allocation.

Abstract: Methods, apparatuses, and systems are described related to retrieving data from a wireless local area network (WLAN) access point (AP). In embodiments, an element manager may include an integration reference point (IRP) agent to receive data from the WLAN AP in the first format. Mapping circuitry of the element manager may convert the data from the first format to a second format to be used by an IRP manager that manages a Long Term Evolution Advance (LTE-A) network. The IRP agent may send the data to the IRP manager in the second format. The data may include, for example, performance monitoring data such as a value of one or more counters and/or a status of one or more alarms maintained by the WLAN AP. Accordingly, one or more components of the LTE-A network may monitor the performance of the WLAN AP.

Abstract: An approach for testing performance of a data transmission between a first node and a second node of a data communications network is provided. A permanent test connection is established between the first node and the second node. One or more additional test connections are established, as a temporal connections, between the first node and the second node, according to a predefined time duration test pattern, in parallel with the permanent test connection, in order to achieve an increased accumulated data throughput over the permanent and temporal test connections.

Abstract: A method and a mobile station for transmitting channel state information (CSI) to a base station; and a method and a base station for receiving CSI from a mobile station in a wireless communication system are discussed. The method according to an embodiment includes receiving first information on one or more channel quality measurement resources and second information on one or more interference measurement resources from a base station; receiving reference signals based on the first information from the base station; generating the CSI by using the reference signals and the second information; and transmitting the CSI to the base station.

Abstract: A method and information handling system (IHS) determines a master remote access controller (RAC) in a distributed IHS having multiple communicatively-connected computing nodes with corresponding RACs. The method includes transmitting a first set of RAC parameters from a first RAC to several other RACs. The first set of RAC parameters includes a locality of reference (LOR) value for the first RAC. Several other sets of RAC parameters are received from the other RACs. A first list of all of the RACs is generated including the associated LOR values. The first list is sorted based on the LOR values and the RAC having the highest LOR value in the first list is designated as a first master RAC candidate.

Abstract: In a wireless communication system (1), a hard AP (10) including a station function (15) activates a soft AP function (22) of a wireless LAN device (20) included in a first combination composed of one or a plurality of wireless LAN devices (20) to check scan responsiveness, activates the soft AP function (22) of the wireless LAN device (20) included in other combination, and activates the soft AP function (22) of the wireless LAN device (20) included in a combination having higher scan responsiveness from between that of the first combination and that of the other combination.

Abstract: A network apparatus for performing a pairing with a user device, with the network apparatus already paired with a broker apparatus is disclosed, the network apparatus including a communicator including communication circuitry; a storage configured to store an RSSI value measured in the network apparatus and broker apparatus regarding a signal being exchanged with the broker apparatus with the broker apparatus at a close position; and a processor configured to determine whether the user device is close to the broker apparatus by as much as a predetermined distance based on each RSSI value measured in the network apparatus, broker apparatus, and user device regarding a signal being exchanged with the user device, an RSSI value measured regarding a signal being received from the broker apparatus, and a predetermined condition regarding a relationship between each RSSI value stored, and in response to determining that the user device is close to the broker apparatus by as much as the predetermined distance, to co

Abstract: Provided is a technique related to a terminal apparatus, a base station apparatus, a communication system, a control method, and an integrated circuit which perform cell measurements efficiently. In a case where a measurement event which sets frequencies of a plurality of serving cells as a measurement object is configured by measurement configuration, the terminal apparatus determines each of an evaluation object cell and a neighbor cell from the plurality of serving cells at a frequency of the measurement object based on the measurement configuration configured by the base station apparatus, and evaluates the measurement event by using a measurement result of the evaluation object cell.

Abstract: A spoofed management frame is sent to an unauthorized access point (AP) on behalf of a station from an authorized AP, using a media access control (MAC) address of the station. The spoofed frame triggers a security association (SA) query from an unauthorized AP to reestablish valid communications. An acknowledgment (ACK) frame sent from the client to the unauthorized AP responsive to the SA query request is detected by the AP. A probe response is sent to the client. The probe response includes a channel switching element. The channel switching prevents the client from completing the SA process before a time out.

Abstract: A method for channel state information (CSI) measurement. The method comprises receiving a reference signal that is periodically transmitted in one or more discovery reference signal (DRS) occasions from an eNodeB (eNB) operating in a cell over an unlicensed spectrum band, wherein the reference signal in the one or more DRS occasions is dropped in accordance with at least one of a listen before talk (LBT) operation and a discontinuous transmission (DTX) operation and the reference signal includes at least one of a cell-specific reference signal (CRS) and a channel state information-reference signal (CSI-RS). The method further comprises measuring the received reference signal to generate a CSI measurement report and transmitting the CSI measurement report to the eNB according to a configuration received from the eNB.

Abstract: The present invention discloses a channel state information CSI reporting method and apparatus, and a base station antenna. In the method, at least one precoding matrix is selected from a codebook based on a reference signal sent by a base station, and CSI is sent to the base station. The CSI includes at least one selected precoding matrix indicator PMI, and the PMI is corresponding to the selected at least one precoding matrix. At least one precoding matrix W included in the codebook may be expressed as W=W1W2, where is a Kronecker product, and at least one of W1 or W2 is an antenna selection matrix. Therefore, in embodiments of the present invention, the base station can select, according to the at least one precoding matrix that is fed back, one or more antenna ports to send a signal.

Abstract: A mobile station for use in a wireless network. The mobile station transmits feedback values in a physical uplink control channel (PUCCH) to a base station of the wireless network. The mobile station is operable to transmit to the base station a subband second precoder matrix index (PMI) associated with a particular subband and a subband channel quality indicator (CQI) value associated with the particular subband together in a subframe of the PUCCH.