Abstract: Certain aspects of the present disclosure are directed to a method for wireless communication. The method generally includes receiving a message for dual-active-protocol stack (DAPs) handover (HO) from a source network entity to a target network entity, wherein carrier-aggregation (CA) is configured with the source network entity prior to reception of the message for HO, deactivating the CA in response to reception of the message for handover (HO) to activate a single carrier mode with the source network entity, and performing the HO from the source network entity to the target network entity during a HO period, wherein the single carrier mode is maintained with the source network entity during at least a portion of the HO period, and wherein connection with the target network entity is maintained during the at least the portion of the HO period.

Abstract: A communication system is disclosed in which a base station receives, from a core network entity, a paging request for paging an MTC device. The base station determines a paging occasion for sending to said MTC device paging related information, wherein the paging occasion is defined such that it identifies a plurality of subframes in which the paging related information can be sent and repeated. The base station sends (and repeats, as appropriate) the paging related information in the plurality of subframes identified by the paging occasion.

Abstract: A method for controlling configuration of an air interface between an access node and at least one user equipment device (UE), where the air interface is divided over time into frames and the frames are further divided at least into subframes, where the air interface operates in accordance with a time-division-duplex (TDD) configuration that defines at least a number of uplink subframes per frame for communication over the air interface. An example method includes (i) detecting at least a threshold high rate of uplink voice muting on the air interface, and (ii) responsive to at least the detecting, changing the TDD configuration to increase the number of uplink subframes per frame over the air interface.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may select a random access channel (RACH) occasion (RO) based on one or more channel quality thresholds, such as reference signal received power (RSRP) thresholds. A base station may determine a set of RO types for receiving RACH transmissions. The base station may determine a channel quality threshold for each RO type. The base station may broadcast a configuration indicating the RO types and the associated channel quality thresholds. The UE may receive the configuration and measure a channel quality between the UE and the base station. Based on the measured channel quality, the UE may determine which RO types are available based on the indicated channel quality thresholds, and select an RO for transmitting a RACH preamble to establish a connection with the base station based on the available RO types.

Abstract: A network environment includes a communication management resource, a first wireless station, and a second wireless station. The communication management resource initially allocates a first wireless channel to the first wireless station; the first wireless channel is selected from multiple available wireless channels. The communication management resource detects that a second wireless station is a substitute to the first wireless station. For example, the second wireless station is substituted as a replacement to the first wireless station. In response to the detecting that the second wireless station is a substitute to the first wireless station, the communication management resource allocates the first wireless channel to the second wireless station.

Abstract: Apparatuses, methods, and systems are disclosed for creating service rules based on user information retrieved from an application server. One apparatus includes a processor and a transceiver that communicates with one or more network functions in a mobile communication network. The transceiver receives a request to provide service rules for a user in response to a request received by the mobile communication network from the user to establish a data connection. The processor identifies one or more service contexts associated with the user and retrieves user information by using each of the identified one or more service contexts. A service context holds information for accessing user information in an application server. The processor creates one or more service rules by using the user information, wherein the mobile communication network applies the one or more service rules to configure the data connection.

Abstract: Methods, systems, and devices for wireless communications are described. In some examples, a wireless communications system may support group channel quality indicator (CQI) reporting. For example, a user equipment (UE) may receive, from a base station, signaling indicating a group of component carriers (CCs) and one or more subbands within the group of CCs. The UE may receive one or more reference signals within the one or more subbands and determine a group CQI index corresponding to the group of CCs based at least in part on the one or more reference signals. The UE may then transmit a report to the base station indicating the group CQI index and the base station may determine a CQI index for each of the one or more subbands based on the group CQI index.

Abstract: Systems and methods are provided for dynamic power allocation of a first maximum uplink power and a second maximum uplink power, wherein the first maximum uplink power is used by a first transmitter to communicate with a first access point and the second maximum uplink power is used by a second transmitter to communicate with a second access point (dual connectivity). Network parameters are determined based on characteristics and/or qualities of the downlink and/or uplink signals of a wireless communication session. In response to the determined network parameters, the WCD may increase a first maximum uplink power and decrease a second maximum uplink power in order to establish or maintain dual connectivity without exceeding the device's maximum total uplink power.

Abstract: This disclosure provides systems, methods, and apparatuses for channel occupancy time (COT) sharing arrangements when two or more COTs are associated with different durations, and provides arrangements for base station scheduling of downlink transmissions and selection of a listen-before-talk (LBT) configuration when two or more COTs are associated with different user equipment (UE) transmission endpoints. Furthermore, this disclosure provides systems, methods, and apparatuses for UE-side communication in accordance with scheduling information determined based on such COT sharing arrangements. By providing COT sharing arrangements when two or more COTs are associated with different durations, unlicensed channel utilization may be improved and throughput may be increased relative to when only one UE's COT can be used by the base station.

Abstract: Base stations of neighbor cells can coordinate with each other in allocating grant-free uplink (GUL) resources for a device-to-device (D2D) connection or channel between user equipments (UEs) across the neighbor cells. The base stations coordinate to determine a condition conducive to D2D communication between the UEs. If the condition exists, the base stations coordinate to allocate network resources for D2D communication between the UEs, and establish a D2D connection between the UEs using the allocated network resources for D2D communication.

Abstract: A system described herein may provide for the use of artificial intelligence/machine learning (“AI/ML”) techniques to generate models for various locations or regions (e.g., sectors) associated with one or more radio access networks (“RANs”) of a wireless network. The system may further use AI/ML techniques to generate interference models to reflect types and/or amounts of radio frequency (“RF”) interference measured within the RAN. The system may further determine, based on received RF metrics for a given sector, a particular interference model associated with the sector. Based on a sector model associated with the sector and the determined interference model, one or more actions may be determined in order to remediate any potential interference associated with the sector or surrounding sectors.

Abstract: Embodiments of this application relate to the communications field, and provide a route update method, the method, comprising: sending a medium access control protocol data unit (MAC PDU), wherein the MAC PDU comprises a first buffer status report (BSR); and canceling, in response to the sending of the MAC PDU, a scheduling request triggered prior to the MAC PDU assembly, wherein the first BSR comprises a buffer status up to the last event that triggers a BSR prior to the MAC PDU assembly.

Abstract: A method for a user equipment includes determining full duplex capability and metric thresholds during cell search or attachment to a base station and reporting these to the base station; when in an RRC-connected state, dynamically sending reports of the metric conditions to the base station; and receiving instructions, based on the reports of the metric conditions, to communicate with the base station in one of a full duplex mode and a time division duplex mode. A method for a base station includes receiving a full duplex capability and metric thresholds from a user equipment; when in an RRC-connected state, initially scheduling the user equipment for communications in a time division duplex mode; receiving reports of metric conditions dynamically from the user equipment; and sending instructions, based on the reports, to the user equipment to communicate in one of a full duplex mode and a time division duplex mode.

Abstract: A controller is provided for use with a CD, a WAN, and a service provider server, the HNC includes: a memory; and a processor configured to execute instructions stored on memory to cause the HNC to: establish a priority time period; associate the priority time period with a first application; establish a first service flow queue having a first QoS during priority period; establish a second service flow queue having a second QoS; receive first upstream packets and second upstream packets; assign the first upstream packets to a first upstream queue during the priority time period; assign the second upstream packets to a second upstream queue; receive first downstream packets and second downstream packets; assign the first downstream packets to a first downstream queue during the priority time period; and assign the second downstream packets to a second downstream queue.

Abstract: A method, computer system, and computer program product are provided for processing wage payments to an employee according to an employee-specified pay schedule. A computer system receives a payroll event for an employee. In response to receiving the payroll event, the computer system interprets a first structured data object for processing payroll. In interpreting the first structured data object, the computer system identifies an employee-specified pay schedule according to an employee context interpreted from the first structured data object. In interpreting the first structured data object, the computer system determines that a wage payment should be made to the employee according to the employee-specified pay schedule. Responsive to determining that the wage payment should be made, the computer system transmits an order for the wage payment to the employee to a specified wage payment proxy server via a network using a specified communication channel to pay the employee.

Abstract: A controller is configured to control a first of plural relay nodes to transmit signals representing data to one of communications terminals received from a base station or to receive signals representing data from a communications terminal for transmission to the base station, wherein, upon first predetermined conditions being met, to control a second of the plurality of relay nodes to transmit signals representing the data to the communications terminal received from the base station or to receive signals representing the data from the communications terminal for transmission to the base station, and to control the communications terminal to transmit a first signal representing at least a first part of the data to the first relay node for transmission to the base station, and to transmit a second signal representing at least a second part of the data to the second relay node for transmission to the base station.

Abstract: The present disclosure provides a power control method in device to device (D2D) communication and a user equipment for performing the power control method. The method includes computing a power value of device to device (D2D) transmission of a user equipment performing D2D communication in a subframe in a serving cell, based on a power control adjustment state of a Long Term Evolution (LTE) wide area network (WAN) uplink channel of the user equipment and an offset or a ratio indicated by a transmit power control (TPC) command indicated in D2D grant or downlink control information (DCI) format 3/3A.

Abstract: Provided is a transmission power allocation method based on reinforcement learning with an efficient user clustering method. According to an embodiment of the present disclosure, a transmission power allocation method based on user clustering and reinforcement learning of a base station in a non-orthogonal multiple access (NOMA) system includes a sorting step of sorting channel gains of user equipments located in a coverage of the base station in a size order, a clustering step of allocating the user equipment to each cluster based on the size order, and a power allocation step of allocating power to each user equipment included in the cluster by using a quality function based on a state and an action.

Abstract: A method, a device, and a non-transitory storage medium are described in which policy delivery is provided. A network device of a core network may receive a registration request message that includes a request for an end device policy. The network device may perform a registration procedure and a policy procedure pertaining to an end device. The network device determines when the registration and the policy procedures are completed. The network device transmits a registration response that includes an end device policy to an end device.

Abstract: An electronic device for a base station in a wireless communication system including processing circuitry configured to indicate a user equipment to report a first type of channel statement information based on a reference signal for the first type of channel statement information, wherein the base station serves the user equipment in a way of SU-MIMO, make a determination that a second type of channel statement information is required in a case that the base station changes the way serving the user equipment from SU-MIMO to MU-MIMO, and notify the user equipment to report the second type of channel statement information based on a reference signal for the second type of channel statement information.

Abstract: It is provided a method, comprising monitoring if an information on a limitation of a network bandwidth part is received from a cell; basing a decision on the information on the limitation and a capability of a terminal to support a terminal bandwidth part if the information on the limitation is received, wherein the decision is about at least one of whether or not the terminal camps on the cell and whether or not the terminal reselects the cell; instructing the terminal on the at least one of the camping on the cell and the reselecting the cell based on the decision.

Abstract: In a communication system having a plurality of user equipment (UE) devices that are operating in a contention based mode for device-to-device (D2D) communication, each UE device transmits a preferred transmission indicator when a condition for preferred transmission is met at the UE device. If a UE device receives a preferred transmission indicator, the UE device delays transmission of a D2D scheduling assignment (SA) to contend for communication resources for D2D communication. The length of the delay can be based on a number of preferred transmission indicators that are received. The preferred transmission indicator is based on a buffer size in one example.

Abstract: The concepts and technologies disclosed herein are directed to policy-based programmable Internet of Things (“IoT”) devices. An apparatus, for example, can include a device that includes an interface through which the device is to be connected to an asset. The asset can include one or more asset sensors. The device can include one or more device sensors, a network module, and a controller that executes instructions that cause the device to perform operations. In particular, the controller can execute instructions to cause the device to receive a device policy that instructs the device to collect device data from the device sensor(s) in accordance with a device ruleset. The device also can receive an asset policy that instructs the device to collect asset data from the asset sensor(s) in accordance with an asset ruleset. The device can collect the device data and the asset data in accordance with the device/asset policies.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect a signal-to-noise ratio (SNR) associated with the UE. The UE may determine a beam tracking frequency based at least in part on the SNR. The UE may perform a beam tracking in accordance with the beam tracking frequency. Numerous other aspects are described.

Abstract: A method for communicating in a wireless environment is provided that includes obtaining, with an access point of a first network in the wireless environment, responsiveness data from at least one electronic device. The method also includes communicating with the at least one electronic device to determine availability of a second network in the wireless environment to the electronic device, and determining communication responsiveness through the first network based on the responsiveness data. The method also includes obtaining use data from the at least one electronic device related to the second network, determining communication responsiveness through the second network based on the use data, and disconnecting, with the access point, the at least one electronic device based on the communication responsiveness through the second network.

Abstract: A reception-side apparatus includes: M receive antennas; and a processor configured to execute a first process of acquiring a first signal received from a first transmission-side apparatus from among signals simultaneously received from the N transmission-side apparatuses by receive diversity processing, and acquiring first data by demodulating and decoding the first signal. In the case of N>M, the processor acquires, for each of all patterns of a combination of a first signal, second signals from M-1 transmission-side apparatuses which are to be cancelled by receive diversity processing and third signals from N-M transmission-side apparatuses which are not to be cancelled by the receive diversity processing, a power ratio of power of the first signal relative to total power of the second and third signals based on a predetermined weight and a channel estimate of each signal, and selects a combination with the largest power ratio from among all the patterns.

Abstract: Microservices are predictively deployed on edge devices in a network. An application is run on a client device, the application comprising a set of microservices runnable on any edge device in a set of two or more edge devices. A state of the client device at a first time is determined, the state including one or more microservices currently being run for the client device, and for each microservice currently being run, an edge device running the microservice. One or more microservices that are likely to be run at a second time subsequent to the first time and a location of the client device at the second time are predicted. Based on the predicted location, a next edge device in the set of edge devices is determined for running the one or more microservices predicted to be run at the second time.

Abstract: A wireless communication network includes a user equipment (UE) to receive a set of instructions, from a base station, to perform a simultaneous change of a set of current bandwidth parts (BWPs) to a set of new BWPs in a set of cells. The set of instructions schedules set of slots for the UE to receive and/or transmit a set of downlink and/or uplink signals via the set of new BWPs, respectively. The UE also determines a delay associated with performing the simultaneous change of the set of current BWPs to the set of new BWPs, respectively, and determines whether it is able to receive and/or transmit the set of downlink and/or uplink signals via the set of new BWPs in the set of slots satisfying the delay, respectively. A base station is also included to communicate with the UE to effectuate the aforementioned operation.

Abstract: Certain aspects of the present disclosure provide techniques for enhancements to channel state information (CSI) reporting. A method that may be performed by a user equipment (UE) includes obtaining, from a network entity, a CSI reporting configuration for reporting CSI for a channel. The method further includes generating a model of an interference pattern for the channel, and predicting one or more candidate interference levels for one or more upcoming slots using the model. The method further includes reporting information regarding the candidate interference levels to the network entity.

Abstract: An information processing device includes a communication unit and a control unit. The control unit selects at least one instant message as a selected message from one or more instant messages transmitted and received between terminal devices including a first terminal device. The control unit selects the selected message based on at least one of pick-up time and drop-off time of a vehicle picking up and dropping off a first user of the first terminal device. The control unit determines evaluation of a service provided in the vehicle based on the selected message.

Abstract: Embodiments of this disclosure provide a serving node update method and a device. The method includes: sending a first message to a target node; receiving, from the target node, a second message used for responding to the first message; and sending a third message to a terminal device when the second message indicates that the target node rejects a multi-connectivity serving node update, where the third message is used to indicate the terminal device to perform a serving node update in a legacy serving node update manner.

Abstract: For relaying a route-discovery request in order to discover at least one route from a source node device to a destination node device in a communication network comprising other node devices able to act as relays between the source node device and the destination node device, at least one node device among said other node devices dynamically defines a waiting delay value to be applied before relaying the route-discovery request. More precisely, said at least one node device defines the waiting delay value according to a quality level of a link via which the route-discovery request was received.

Abstract: Methods, systems, and devices for wireless communications are described. The method includes a method for wireless communications at a base station. The method includes transmitting a message to a number of user equipments (UEs) over a single frequency network channel using a first beam sweep pattern. The method also includes identifying a second beam sweep pattern from a plurality of beam sweep patterns that is different from the first beam sweep pattern for retransmissions of the message. The method further includes transmitting a retransmission of the message to the plurality of UEs over the single frequency network channel using the second beam sweep pattern.

Abstract: A mobile communication system of a motor vehicle includes a primary antenna. The system further includes a telematics module having a processor and at least one memory including a computer program code. The memory and the computer program code are configured to, with the processor, cause the system to detect a predetermined vehicle event and measure a primary signal quality of the reference signal received at the primary antenna. The memory and the computer program code are configured to, with the processor, cause the system to determine a maximum primary signal quality and compare the maximum primary signal quality with a threshold. The memory and the computer program code are configured to, with the processor, cause the system to determine a defect in the primary antenna and activate a diagnostic trouble code associated with the defect, in response to determining that the primary maximum signal quality is below the threshold.

Abstract: A radio terminal (2) is used in a radio communication system (100) and communicates with a radio station (1). The radio terminal (2) includes a measurement unit (20). The measurement unit (20) operates to perform, using a terminal measurement procedure for executing a first terminal measurement corresponding to radio access technology applied to the radio communication system (100), a second terminal measurement of a shared frequency shared by a plurality of radio systems including the radio communication system (100).

Abstract: Methods, systems, and devices for wireless communications (e.g., vehicle to everything systems) are described relating to an adaptive design of demodulation reference signals (DMRS) density based on user equipment (UE) velocity. A UE may send assistance information to a transmitting UE to help identify a DMRS pattern based on the relative speed between the two UEs. Also, the transmitter may determine the adaptive DMRS pattern based on its speed without information of the receiver's speed. The transmitter may indicate the adaptive DMRS pattern in control information to the receiver. A base station may receive assistance information, and the base station may determine the adaptive DMRS pattern to be used by the transmitting UE based on the received assistance information and then indicate the adaptive DMRS pattern to the transmitting UE. A UE may determine an adaptive DMRS pattern to use based on feedback from the receiving UE.

Abstract: A method in a communication device (30) for transmitting a beam report (823) to an access node (20) of a wireless network (1), the method comprising transmitting (810,817) a capability indication (820) to the wireless network to announce capability to perform interference reduction between received beams; receiving (812) a first beam (50) and a second beam (51) of an access node beam sweep (802); determining (814) first link quality metric for the received beams; determining (815) second link quality metric for the received beams based on applied interference reduction in the communication device; transmitting (817) a beam report (823) based on at least one of first and second link quality metric.

Abstract: An information handling system operating a reconfigurable antenna training control system may comprise a configurable antenna system in one of a plurality of available configurations transceiving a radio frequency signal, and a radio frequency system measuring performance metrics for the signal transceived according to each available configuration over a training time period preset based on historical performance and stability of each available configuration. An antenna front end system may execute instructions of the reconfigurable antenna training control system to determine a weighted performance metric based on the measured performance metrics and on historical performance metrics for each candidate configuration, to compare the weighted performance metrics for each configuration, and to identify one of the configurations having a highest weighted performance metric as an optimal configuration. The configurable antenna may then establish a wireless link using the optimal configuration.

Abstract: Disclosed in the embodiments of the present application are a data transmission method, a terminal device and a network device. The method comprises: a terminal device receiving N pieces of uplink authorization information sent by a network device, the N pieces of uplink authorization information being used to indicate N uplink resources, any two uplink resources among the N uplink resources at least partially overlapping, the values of at least one attribute, respectively corresponding to the any two uplink resources among the N uplink resources, being different, N being a positive integer greater than 1; and the terminal device processing the N pieces of uplink authorization information according to priorities of the at least one attribute respectively corresponding to the N pieces of uplink resources. The method, terminal device and network device in the embodiments of the present application facilitate improvement of the flexibility of uplink data transmission.

Abstract: Channel state feedback is provided from a UE to a base station as a first, detailed or a second, less detailed type of channel state feedback information. Initially it is determined whether the UE has received an uplink grant from the base station or not. If the UE has received an uplink grant, a first type of channel state feedback information is transmitted to the base station on the granted resource. If, however, the UE has not received an uplink grant, a second type of channel state feedback information is transmitted to the base station. Different types of channel state feedback information enables a UE and an associated to base station to use available resources more efficiently, when requesting for and delivering channel state feedback information.

Abstract: In radio circuitry, transceiver circuitry wirelessly exchanges data signals with wireless User Equipment (UEs). Radio Resource Control (RRC) circuitry receives individual subscriber data for individual ones of the UEs. The RRC circuitry transfers the individual subscriber data to Media Access Control (MAC) circuitry. The MAC circuitry selects individual Discontinuous Reception (DRX) duty cycles for the individual ones of the UEs based their individual subscriber data. The transceiver circuitry wirelessly exchanges subsequent data signals with the UEs using the selected individual DRX duty cycles for the individual ones of the UEs.

Abstract: This application provides a transmission method, a terminal device, and a network device. The transmission method includes: sending, by a terminal device, a second message to a network device after receiving a first message that is sent by the network device and that is used to instruct to activate a secondary carrier cell, where the second message is used to indicate a preset time; and receiving, by the terminal device, a third message that is sent by the network device based on the preset time, where the third message is used to instruct to trigger resynchronization of the secondary carrier cell. The transmission method in this application helps quickly reduce a time for triggering resynchronization of an uplink secondary carrier cell, and improve an uplink throughput.

Abstract: A terminal is disclosed including a transmitter that transmits a demodulation reference signal for an uplink control channel; a receiver that receives: frequency hopping information indicating that frequency hopping of the uplink control channel is enabled, and information regarding a resource block index corresponding to a first frequency hop and a resource block index corresponding to a second frequency hop; and a processor that determines a sequence of the demodulation reference signal based on the frequency hopping information regardless of whether a distance between the first frequency hop and the second frequency hop is zero. In other aspects, a radio communication method, a base station, and a system are also disclosed.

Abstract: The present disclosure relates to methods and devices for wireless communication of an apparatus, e.g., a UE and/or a base station. In one aspect, the apparatus may measure a plurality of beams from a base station or a UE, the plurality of beams corresponding to a plurality of subbands of a wideband channel. The apparatus may also determine whether the plurality of beams include one or more candidate beam groups for each subband of the plurality of subbands. Additionally, the apparatus may transmit, upon determining that the plurality of beams include one or more candidate beam groups for at least one subband of the plurality of subbands, an indication of the one or more candidate beam groups for the at least one subband of the plurality of subbands.

Abstract: This application provides a channel state information report transmission method and a communications device. The method includes: determining N channel state information reports; and sending M of the N channel state information reports based on priorities of the N channel state information reports, where both N and M are positive integers greater than or equal to 1, and M is less than or equal to N; and a priority of a channel state information report in the N channel state information reports.

Abstract: A relay communication method, includes: a relay node receives data from a second network node; the relay node performs first-part processing and second-part processing on the data; and the relay node sends to a third network node, data obtained after the first-part processing and the second-part processing. In one non-limiting example, thy first-part processing includes at least one of: physical layer function processing, media access control layer function processing, and adaptation function processing. In another non-limiting example, the second-part processing includes at least one of simplified radio link control layer function processing, adaptation function processing, media access control layer function processing, and physical layer function processing.

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. A communication method of a terminal in a wireless communication system, which includes a first base station supporting first wireless communication and a second base station supporting second wireless communication, can comprise the steps of: performing data communication though the first wireless communication with the first base station; receiving, from the first or second base station, configuration information for second wireless communication connection; reporting, to the first or second base station, the result of measurement on at least one beamforming reference signal having been received from the second base station, on the basis of the configuration information; and establishing the second wireless communication connection with the second base station on the basis of the measurement result.

Abstract: The embodiments herein relate to method performed by a radio network node or a LMF, a method performed by a UE and a UE for downlink and uplink beam management for positioning measurements. The method comprising at least: configuring the target UE; receiving at least one report from the UE; exchanging the report(s) with neighboring network nodes and/or a location measurement function; providing instructions the UTE; receiving at least one measurement report from the UE; and estimating the location of the UE using received information.

Abstract: Wireless communications systems and methods related to communicating in an integrated access backhaul (IAB) network are provided. A first wireless communication device transmits to a second wireless device during a first one of a plurality of slots; and receives a second transmission from the second wireless device during a second one of the plurality of slots. The second transmission includes link quality information about the first transmission and scheduling information for a third transmission between the first and second wireless devices.

Abstract: A method and apparatus for adjusting a channel quality indicator (CQI) feedback period to increase uplink capacity in a wireless communication system are disclosed. The uplink capacity is increased by reducing the uplink interference caused by CQI transmissions. A wireless transmit/receive unit (WTRU) monitors a status of downlink transmissions to the WTRU and sets the CQI feedback period based on the status of the downlink transmissions to the WTRU. A base station monitors uplink and downlink transmission needs. The base station determines the CQI feedback period of at least one WTRU based on the uplink and downlink transmission needs and sends a command to the WTRU to change the CQI feedback period of the WTRU.