Abstract: Techniques for detecting and managing target port overloads due to host initiator or path failures may include: receiving I/Os from initiators of a host at target ports of a data storage system; determining initiator workloads for the initiators; determining target workloads for the target ports; determining that a first of the initiators of the host is a failed initiator that has stopped sending I/Os to the data storage system, wherein the first initiator has a first of the initiator workloads; determining, in accordance with the first initiator workload, revised target workloads for the target ports; determining, in accordance with revised target workloads, whether any of the target ports is expected to be overloaded; and responsive to determining that at least one of the target ports is expected to be overloaded, performing a corrective action to alleviate or reduce an overloaded workload condition expected for the at least one target port.

Abstract: In response to receiving from a source RAN node (2), on a direct interface (101), a message requesting a handover of a radio terminal (1) from a first network to a second network, a target RAN node (3) receives at least one of slice information and flow information from a core network (5), and controls communication of the radio terminal (1) based on at least one of the slice information and the flow information. The slice information relates to a network slice in the second network. The flow information relates to at least one session to be established in the second network, serving as a bearer-less network, in order to transfer at least one packet flow of the radio terminal (1). It is thus possible, for example, to provide an Inter-RAT handover procedure involving transfer of handover signaling messages on a direct inter-base-station interface.

Abstract: This disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, for wireless communication. In one aspect of the disclosure, a method of wireless communication includes determining, at a wireless device, a subset of antenna elements of a plurality of antenna elements to be used to communicate with a network entity in a second communication direction. The plurality of antenna elements is used to communicate with the network entity in a first communication direction. The method further includes transmitting, from the wireless device to the network entity, a message indicating that the subset of antenna elements is to be used to communicate in the second communication direction. Other aspects and features are also claimed and described.

Abstract: A data transmission method is provided. The method includes: receiving, by user equipment, first information from a radio access device, where the first information indicates different transmission classes corresponding to a plurality of logical channels; determining, by the user equipment based on the first information, a transmission format of uplink data on at least one logical channel corresponding to at least one transmission class in the different transmission classes, and determining a transmission resource in the transmission format; and sending, by the user equipment, the uplink data by using the transmission format and the transmission resource in the transmission format. In this application, different transmission resources are allocated to uplink data on logical channels (LCHs) of different transmission classes, so that different requirements of different uplink data can be met.

Abstract: This application provides a network handover method and an apparatus. Before a terminal device is handed over from a first network to a second network, the terminal device sets up a first tunnel to a first interworking device, where a communication identifier, of the terminal device, in the first tunnel is a first identifier the first identifier is an identifier used in the first network by the terminal device, and the first interworking device is an interface device in the first network and oriented toward a network other than the first network. After the terminal device is handed over from the first network to the second network, the terminal device sends an update request to the first interworking device, where the update request to update the communication identifier to a second identifier, and the second identifier is an identifier used in the second network by the terminal device.

Abstract: A wireless communication system includes a transceiver circuit, a memory circuit, and a processor circuit. The transceiver circuit transmits data through subchannels that includes a first subchannel and a second subchannel. The memory circuit stores a lookup table that indicates corresponding relations between transmission rates and channel indicators.

Abstract: Various implementations disclosed herein enable controlling access to networks. In various implementations, a method of controlling access to a network is performed by a computing device including one or more processors, and a non-transitory memory. In various implementations, the method includes obtaining an indication that a mobile device having access to a first network utilizing a first radio access technology (RAT) has requested access to a second network utilizing a second RAT. In some implementations, the method includes determining whether the access to the first network satisfies an authentication criterion associated with the second network. In some implementations, the method includes granting the mobile device access to the second network in response to determining that the access to the first network satisfies the authentication criterion associated with the second network.

Abstract: According to one configuration, an analyzer resource determines an ability of a wireless access point to wirelessly communicate over each of multiple available wireless communication channels in a wireless frequency band. The analyzer resource produces performance information (performance metrics or calibration information) based on the measured ability. The analyzer resource assigns the performance metrics to the wireless access point. When operating in the field (such as in a wireless network environment), to provide mobile communication devices access to a remote network, the wireless access point uses the assigned performance metrics as a basis to select amongst multiple available wireless communication channels to communicate with one or more mobile communication devices in the wireless network environment. These and other techniques are disclosed herein.

Abstract: Methods, systems, and devices for wireless communication are described. A multi-antenna user equipment (UE) may communicate with a base station using a first antenna, determine to switch from the first antenna to a second antenna for communicating with the base station, determine a silence window in which communication with the base station is suspended, schedule the switch from the first antenna to the second antenna to occur during the silence window, and switch from the first antenna to the second antenna during the silence window.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system or networks beyond 5G communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.

Abstract: A vehicle communication device includes a vehicle-to-vehicle communication unit, an information extraction unit, and a Wi-Fi module. The vehicle-to-vehicle communication unit is mounted on an own vehicle and receives AP information required for wireless connection to an access point for communication relay from another vehicle in the vicinity. The information extraction unit extracts, from vehicle-to-vehicle AP information, which is AP information received from the other vehicle in the vicinity by the vehicle-to-vehicle communication unit, connected AP information, which is AP information received from the other vehicle in front in a traveling direction of the own vehicle and AP information of the access point to which the other vehicle in front is being connected. The Wi-Fi module wirelessly connects to the access point based on the connected AP information extracted by the information extraction unit.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to a method for quickly and efficiently allocating uplink transmission resource to data of a terminal.

Abstract: A base station and computing resources to be used by a user equipment (UE) within a network can be selected based on information, such as an identification of base station(s) that may be used by the UE, and the location and performance of the base station(s) and the available computing resources. In some examples, when a mobility controller determines to switch the base station for a UE, the computing resources used to perform application processing can also be switched. For instance, when the current base station is switched, the computing resources used to perform application processing for the UE may be moved to computing resources that are closer to the different base station. In other examples, the mobility controller may determine to delay switching the UE to the different base station if the performance of the mobile application would be better using the current base station and current computing resources.

Abstract: A vehicle remote instruction system 100 transmits a remote instruction request from an autonomous driving vehicle 2 to a remote instruction apparatus 1, and controls travel of the autonomous driving vehicle 2 based on a remote instruction transmitted from the remote instruction apparatus 1 in response to the remote instruction request. The vehicle remote instruction system 100 includes a delay determination unit 39 configured to determine whether or not a communication delay occurs between the remote instruction apparatus 1 and the autonomous driving vehicle 2, and a rejection unit 40 configured to reject the remote instruction transmitted in response to the remote instruction request if it is determined by the delay determination unit 39 that the communication delay occurs.

Abstract: An apparatus for handling an incoming communication data frame containing a plurality of bits is provided. The apparatus may include a plurality of data matchers, each data matcher configured to compare a subset of the plurality of bits of the communication data frame with a predetermined data pattern of a plurality of data patterns and to provide a data matcher output to indicate the result of the data matcher comparison, a plurality of selectors, each selector configured to compare a subset of the data matcher outputs of the plurality of data matchers with a predetermined selection pattern of a plurality of selection patterns and to provide a selector output to indicate the result of the selector comparison, and a frame filter configured to transfer the incoming frame to application logic only if the selector outputs of the plurality of selectors match a predetermined filter pattern, and to also transfer the selector outputs of the plurality of selectors to the application logic.

Abstract: A method and system for controlling air-interface connectivity of a user equipment device (UE). A computing system detects, when the UE has dual connectivity including a first air-interface connection with a first access node and a second air-interface connection with a second access node, and when the first air-interface connection is defined on a first carrier, that the UE is moving toward a geographic area where UEs that were served by the first access node on the first carrier as part of dual connectivity lost their dual connectivity due to their having insufficient aggregate dual-connectivity throughput. And based at least on the detecting, the computing system reconfigures the first air-interface connection of the UE's dual connectivity to be defined on a lower-frequency second carrier, to help avoid having the UE lose its dual connectivity.

Abstract: Provided are an application interface implementation method and apparatus in a host platform layer, a device, and a storage medium, which relate to the field of computer technologies. The implementation scheme includes: the host platform layer acquiring description data of a terminal capability interface; parsing the description data to acquire a communication mode of the terminal capability interface; and configuring a corresponding processor according to the communication mode, configuring a corresponding concept mapping relationship according to the communication mode, or configure a corresponding processor and a corresponding concept mapping relationship according to the communication mode to encapsulate a platform layer interface of the terminal capability interface, where the platform layer interface is configured to process data of communication interactions in a process in which a mini program calls the terminal capability interface through the host platform layer.

Abstract: A wireless device receives at least one message. The at least one message comprises an uplink semi persistent scheduling (SPS) radio network temporary identifier (RNTI), and a sequence of at least one uplink SPS information element (IE). An uplink SPS IE of the sequence comprises: at least one uplink SPS configuration parameter comprising an uplink SPS interval, and an SPS configuration index for the at least one uplink SPS configuration parameter. A downlink control information (DCI) corresponding to the uplink SPS RNTI may be received. The DCI comprises a first SPS configuration index of one of the at least one uplink SPS IE. At least one transport block may be transmitted employing at least one first uplink SPS configuration parameter corresponding to the first SPS configuration index.

Abstract: An apparatus for decoding video data and including an entropy decoder configured to separate at least an intra mode index, motion information, a quantization parameter and a quantized coefficient sequence from a coded bit stream by decoding the coded bit stream; an inverse quantizer/inverse transformer configured to convert the quantized coefficient sequence to a quantization block, inversely quantize coefficients of the quantization block using the quantization parameter to generate a transform block, and inversely transform the transform block to generate a residual block; an intra predictor configured to restore an intra prediction mode of a current prediction unit using the intra mode index and generate a prediction block of the current prediction unit according to the intra prediction mode when the coded bit stream is coded in the intra prediction mode; and a motion compensation predictor configured to generate a prediction block of a current prediction unit using a reference index and a motion vector de

Abstract: A wireless transmission system comprises an antenna component, a wireless module including a processing unit and a power controlling unit, a tuner connected between the antenna component and the wireless module, and a sensor connected to the wireless module. The tuner is configured to adjust an output bad of the power controlling unit according to a received signal strength indication of the wireless transmission system being greater than a predetermined threshold value, such that multiple different load values are provided for the power controlling unit. The sensor is configured to detect and record a current consumption value corresponding to each load value. In response to the wireless module emitting signals via the antenna component, the processing unit selects the load value corresponding to the lowest of the current consumption values and applies the selected load value to the output load of the power controlling unit.

Abstract: Aspects of the present disclosure provide apparatus, methods, processing systems, and computer readable mediums for enabling L1 (physical layer) and L2 (medium access control (MAC) layer) inter-cell mobility based on UE signaling. An example method generally includes sending, to a network entity, a request to enable or disable one or more inter-cell mobility procedures based on at least one of physical layer or medium access control (MAC) layer signaling, and performing inter-cell mobility procedures in accordance with at least one of the request or a response to the request.

Abstract: The present disclosure provides a method performed by user equipment, user equipment, and a handover command generation method. The method performed by user equipment includes: receiving a handover command including a handover condition, and storing a handover configuration in the handover command, wherein when the handover condition is met, the user equipment performs the handover configuration corresponding to the handover condition; and if a master cell group (MCG) failure is detected or if it is detected that a security update needs to be performed, performing at least an operation related to the stored handover configuration. Therefore, user equipment can determine the validity of a handover command, thereby avoiding a service interruption caused by a connection failure resulting from a handover performed on the basis of an invalid handover command.

Abstract: Methods and apparatus for identifying the root cause of deterioration of system level experience (SLE). Offending network components that caused the SLE deterioration are identified and corrective actions are taken.

Abstract: Embodiments include methods for a user equipment to perform measurements on a plurality of target cells in a radio access network. Embodiments include receiving a measurement configuration relating to one or more radio resource operations and comprising first and second sets of conditions related to respective first and second target cells; and performing measurements of radio signals associated with the first target cell and/or the second target cell. Embodiments also include performing a radio resource operation toward the first target cell, based on a first determination that the measurements of the radio signals associated with the first target cell fulfill at least one condition of the first set. Embodiments also include performing the radio resource operation toward the second target cell, based on a second determination that the measurements of the radio signals associated with the second target cell fulfill at least one condition of the second set.

Abstract: A method for UE route selection policy (URSP) rule matching is proposed. URSP is used by a UE to determine if a detected application can be associated to an established PDU session, can be offload to non-3GPP access outside a PDU session, or can trigger the establishment of a new PDU session. The UE first finds a non-default URSP rule with a matching traffic descriptor to the application. When the UE fails to find existing PDU session or setup new PDU session with any or the route selection descriptors of the non-default URSP rule, the UE moves to another non-default URSP rule, if any, and try the matching. If all non-default URSP rules cannot be matched with the application, then the UE tries the default URSP rule, which includes a match-all traffic descriptor.

Abstract: A method and apparatus for improving the reliability of a digital communications system is provided. In accordance with at least one embodiment, power of a transmitted signal is controlled to improve reliability. In accordance with at least one embodiment, timing of a transmitted signal is controlled to improve reliability. In accordance with at least one embodiment, interference is detected. In accordance with at least one embodiment, interference is localized. In accordance with at least one embodiment, combinatorial processing is used to increase reliability. In accordance with at least one embodiment, gradual rekeying is performed. In accordance with at least one embodiment, confirmed stepwise progression rekeying is performed. In accordance with at least one embodiment, transmission detection is provided. In accordance with at least one embodiment, reporting of cryptographic mode utilization is provided.

Abstract: Described embodiments provide systems and methods for selecting a device via which to access a server. A service having one or more processors coupled with memory may detect a measure of experience for a client device in accessing a server via a first device being below a threshold. The service may identify, responsive to the detection, a plurality of devices available for the client device to access the server. The service may determine a distance between each of the plurality of devices and at least one of the client device or the server. The service may select a second device from the plurality of devices via which the client device is to access the server based at least on the distance between the second device and at least one of the client device or the server.

Abstract: Apparatuses, methods, and systems are disclosed for reporting monitored parameter information. One method includes receiving an indication to monitor parameters in an idle mode. The method includes monitoring the parameters in the idle mode. The method includes transmitting a request to a first base station. The method includes, in response to not receiving a correct response from the first base station: performing a cell reselection resulting in selection of a second base station; and transmitting a failure report to the second base station. The failure report includes information corresponding to the parameters monitored in the idle mode.

Abstract: A method for supporting indication of a failure event to a source access system is provided. The method includes notifying, by the source access system, information of a source cell to a target access system, routing, by the target access system, a message to the base station or the base station controller of the source access through a core network by use of the information of the source cell received from the source access system when the target access system needs to transmit a message to the source access system. By use of the method provided by the present disclosure, a problem of mobility robustness optimization (MRO) among different radio access technology (RAT) may be notified to the source access system, so as to avoid impact for a terminal, reduce operator configuration.

Abstract: Wireless communications may comprise communications between a base station and a wireless device. A wireless device may perform beam failure recovery (BFR). Based on an indication of completion of the BFR, the wireless device may determine resources for transmission of uplink signals.

Abstract: A wireless apparatus, which is used as a first wireless apparatus in a wireless system that includes the first wireless apparatus and a plurality of second wireless apparatuses, includes: a communication circuit for receiving a result of measurement of a first channel from each of the plurality of second wireless apparatuses that communicate with each other via the first channel; and a control circuit for executing a first process when the result of the measurement is lower than a predetermined quality, wherein the first process causes the communication circuit to transmit a switching instruction to each of the plurality of second wireless apparatuses, to establish a second channel between the wireless apparatus and each of the plurality of second wireless apparatuses, and to switch wireless communication between each of the plurality of second wireless apparatuses via the first channel to wireless communication via the second channel.

Abstract: A method and base station are disclosed. The base station comprises a wireless transceiver and a processor. The base station performs wireless communications with a wireless transmit/receive unit (WTRU) via a primary cell, transmits a message via a shared channel of the primary cell, wherein the message includes information identifying a plurality of non-primary cells, and transmits, to the WTRU, data over a downlink channel of at least one of the plurality of non-primary cells identified by the message.

Abstract: Various embodiments may provide systems and methods for managing transmit (TX) timing of data transmissions. The methods include applying a plurality of radio frequency (RF) channel factors related to data uplink transmissions by the wireless device to a TX timing model configured to provide as an output a TX timing for a data transmission to a base station and a number of carriers for sending the data transmission, and selecting a TX time and a number of carriers for sending a next data transmission to the base station based in part on the TX timing model output.

Abstract: Provided are a method and an apparatus for establishing a secondary connection.

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information, the first information being used to determine a target time-frequency resource pool; and then monitors a first signaling; after that, when the first signaling is detected, the communication node receives a first radio signal; a first code block is used to generated the first radio signal; time-frequency resources occupied by the first signaling comprise a first time-frequency resource, while time-frequency resources occupied by the first radio signal comprise a second time-frequency resource; whether the first radio signal can be excluded from being used for combined decoding for the first code block is dependent on whether the first time-frequency resource belongs to the target time-frequency resource pool. The present disclosure manages to improve the flexibility of buffer configurations.

Abstract: Adaptive energy detection (ED) threshold medium access is discussed based on deployment and traffic type. The network nodes sharing a shared communication network are configured with multiple discrete ED thresholds or a range of ED values. As a transmitting node prepares to attempt access to the shared communication spectrum, it identifies an access trigger condition within the network. Such a condition may include traffic type, deployment, or access conditions. In response to detecting an access trigger condition, the transmitting node may select an ED threshold associated with the access trigger condition. Alternatively, upon detection of the access trigger condition, the transmitting node may implement a random ED threshold from the candidate range of ED threshold values.

Abstract: The technologies described herein are generally directed to modeling radio wave propagation in a fifth generation (5G) network or other next generation networks. For example, a method described herein can include, for a network application, identifying, by a system comprising a processor, a first performance characteristic of first base station equipment, wherein the first base station equipment is actively communicating with a user equipment via a first network connection. The method can further include, based on the first performance characteristic being in a condition in relation to a first threshold, determining, by the system, to execute a handover of the user equipment to a second network connection with second base station equipment, resulting in a handover determination. Further, the method can include, based on the handover determination, facilitating, by the system, executing the handover of the user equipment to the second network connection.

Abstract: Disclosed is a method for controlling a plurality of light-emitting devices. The method includes at least: inputting group information into a respective light-emitting device, the group information to be inputted corresponds to a seat in a venue, on which the respective light emitting device to be positioned; and selectively controlling illuminating or extinguishing of groups of light-emitting devices, in accordance with the group information, to present an image over the plurality of light-emitting devices positioned on seats in the venue of an event during a particular period of a group-performance presentation.

Abstract: A wireless communication device and method therein for cell scanning in a wireless communication networks are disclosed. The wireless communication device is capable of wireless communication with at least a first Radio Access Technology, RAT, at a first carrier frequency. The wireless communication device performs (410) a cell scanning on the first carrier frequency for determining a possible access node to connect to. When no synchronization signal on the first frequency is detected, or when a synchronization signal on the first frequency is detected but connection establishment procedure to the access node broadcasting the detected synchronization signal is unsuccessful, the wireless communication device obtains (420) system deployment information for the first carrier frequency and determines (430) at least a second carrier frequency for cell scanning based on the system deployment information.

Abstract: The described technology is generally directed towards a cellular network area optimizer. The area optimizer observes cellular network conditions at multiple radio access network (RAN) nodes within a target area. Based on observed conditions, the area optimizer applies a set of parameter values at the multiple RAN nodes. The set of parameter values enhances the overall throughput, while maintaining or improving connection retainability and accessibility, of the multiple RAN nodes under the observed conditions. The area optimizer learns different sets of parameter values to apply in response to different observed conditions by making parameter value adjustments and observing the effect of the adjustments on overall throughput of the RAN nodes in the target area.

Abstract: Embodiments include methods for channel reconfiguration by a network node in a communications network. Such methods include obtaining received signal strength indicator (RSSI) measurements from wireless devices served by the network node at a current channel in a current frequency interval within a current frequency band. the RSSI measurements trigger perform channel reconfiguration to select a new channel for serving the wireless device. the new channel is the current frequency interval in the current frequency band, a new frequency interval in the current frequency band, or a new frequency interval in a new frequency band. The new channel is selected based on RSSI measurements are performed by the network node on one or more of the following: the current channel in the current frequency interval, a different channel in the current frequency interval, or a different channel in the new frequency interval.

Abstract: An OFDM transmitter and an OFDM receiver respectively transmit and receive N (N?2, N is an integer) control symbols. For each control symbol, a guard interval time-domain signal is, for example, identical to a signal obtained by frequency-shifting at least a portion of a useful symbol time-domain signal by an amount different from any other symbol, or to a signal obtained by frequency-shifting one or both of a portion and a span of a useful symbol interval time-domain signal different from any other symbol by a predetermined amount.

Abstract: Embodiments of this application provide a period mapping method and a network device. The method includes: receiving, by a downstream first network device, first information sent by an upstream second network device, where the first information carries a number of the 1st period of the second network device, the number is referred to as a first number, and the first number includes a first label number and a first group number; and establishing, by the first network device, mapping relationships between numbers of a plurality of periods of the first network device and numbers of a plurality of periods of the second network device based on a mapping relationship between a second label number and a second group number that are included in a number of a first period that can be used to send the first information and a first label number and a first group number.

Abstract: A grouping method of user devices comprises configuring one or more codes for each of the user devices by a base station wherein each of said one or more codes corresponds to a delay tolerance, performing a grouping task by the base station according to the delay tolerances and a determining result of channel-usage demand corresponding to each of the user devices so as to form one or more first-type groups and one or more second-type groups wherein each first-type group corresponds to a first-group delay tolerance and each second-type group corresponds to a second-group delay tolerance, and performing a selection from user devices in the first-type groups and the second-type groups to form one or more target groups by the base station according to the first-group delay tolerances and the second-group delay tolerances.

Abstract: 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). Embodiments herein disclose a method performed by a terminal in a mobile communication system. The method includes performing a registration procedure on a first standalone non-public network (SNPN), selecting a second SNPN based on a predetermined condition, and transmitting, to a network entity, a registration request message on the second SNPN for an initial registration, in case that the second SNPN differs from the first SNPN.

Abstract: An orbiting multiple access transceiver communicates with terrestrial mobile stations which are also capable of communicating with terrestrial base stations. The multiple access transceiver is configured to sample a signal when a terrestrial mobile station of interest is not transmitting to produce a sample signal. The sample signal may be processed to produce an out-of-phase signal that may be applied to a signal when the terrestrial mobile station of interest is transmitting to produce a clearer signal from the terrestrial mobile station of interest.

Abstract: The present disclosure relates to a method for processing a video signal by using a linear relationship between transform types, comprising the steps of: determining a transform group on the basis of a prediction mode of a current block; parsing a transform combination index from a video signal, wherein the transform combination index indicates anyone of a plurality of transform combinations in the transform group; deriving a transform combination corresponding to the transform combination index, wherein the transform combination consists of a horizontal transform and a vertical transform, and includes DST-7 or DCT-8; performing inverse transform on the current block on the basis of the transform combination; and restoring the video signal by using the inverse transformed current block.

Abstract: The present invention relates to an apparatus and method for controlling uplink transmission power in a multiple element carrier wave system. The method for controlling uplink transmission power by a terminal in a multiple element carrier wave system includes the steps of: generating an uplink signal to be transmitted in a first serving cell; receiving, from a base station, random access start information for commanding the start of a random access procedure for a second serving cell; calculating the estimated surplus power from first transmission power scheduled for an uplink signal transmission, and second transmission power scheduled for a transmission of a PRACH to which a random access preamble is mapped; and when the estimated surplus power is smaller than a threshold power, adjusting the first transmission power or the second transmission power on the basis of power allocation priority.

Abstract: This disclosure provides systems, methods and apparatus for wireless communications in narrowband frequency bands using frequency hopping. In some implementations, a base station (BS) groups a plurality of hopping channels of a frequency hopping pattern into a number of groups based on a bandwidth part (BWP) hopping frequency of each hopping channel of the frequency hopping pattern. The BS transmits indications of the frequency hopping pattern and the grouping of hopping channels to user equipments (UEs). The BS transmits a channel state information reference signal (CSI-RS) on a first hopping channel, and receives channel state information (CSI) of the first hopping channel from one or more of the UEs. In some other implementations, a UE receives indications of the frequency hopping pattern and hopping channel groups, and determines CSI of the first hopping channel based on the received CSI-RS. The UE may transmit the CSI to the BS.

Abstract: A method of managing access to a plurality of Packet Switched (PS) networks of a wireless communication apparatus including a plurality of Subscriber Identity Modules (SIMs) includes obtaining first information indicating data service-related preferences for the plurality of SIMs, selecting at least one SIM necessary for accessing each of the plurality of PS networks from among the plurality of SIMs, based on the first information and second information indicating a wireless network capable of being provided by an operator corresponding to each of the plurality of SIMs, and accessing each of the plurality of PS networks by using the selected at least one SIM.