Abstract: Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the UCI.

Abstract: A base station that controls carrier aggregation for a user equipment (UE) includes a memory configured to store weight factors for serving cells that are aggregated to provide wireless connectivity to the UE. The weight factors are determined based on characteristics of the serving cells. In some cases, the weight factors are determined based on frequencies of carriers used by the serving cells to provide the wireless connectivity to the UE. The base station also includes a processor configured to determine, based on the weight factors and a total weight assigned to the UE, weights for transmitting data to the UE via the serving cells. The base station further includes a transceiver configured to transmit data to the UE via the serving cells at priorities that are determined based on the weights for the serving cells.

Abstract: The following are executed: received power acquisition processing; propagation loss calculation processing of calculating propagation losses between the transmitter and the receiver, based on received power; median processing of calculating a median of a plurality of the propagation losses calculated in the propagation loss calculation processing in a predetermined time period, and outputting the median as propagation losses to be used for subsequent processing; loss peak acquisition processing of acquiring a maximum value of the propagation losses output in the median processing; distance calculation processing of calculating a distance between the transmitter or the receiver and blocking entities, at least based on the maximum value, heights of antennas, and a wavelength of the radio communication; and congestion degree calculation processing of estimating a congestion degree by calculating the number of the blocking entities in chronological order, based on the distance, integrating the number for a predet

Abstract: A method for measuring and reporting performance parameters in a network having at least one originator for generating test protocol data units, and multiple reflectors for relaying the test protocol data units along successive segments of a test path in the network. The method generates the test protocol data units at the originator and transmits the test protocol data unit along a test path that includes multiple reflectors. Each reflector relays the test protocol data unit to the next reflector along the test path. Measurements of performance parameters are collected from the multiple reflectors in the test protocol data unit by inserting timestamps into the test protocol data unit at the originator and each of the reflectors to identify the departure and arrival times for each test protocol data unit at the originator and each of the reflectors in both the downstream and upstream directions along the test path.

Abstract: In an anti-fraud control system, a first error monitoring device includes a first frame transmitting and receiving unit that receives a frame flowing on the on-board network; and a first error detector that causes transmission of an error notification frame for notifying of an occurrence of an error in the frame when detecting the occurrence of the error in the frame received by the first frame transmitting and receiving unit. Each of second error monitoring devices includes: a second frame transmitting and receiving unit that receives the error notification frame; and a second error detector that regards, as a frame to be invalidated, the frame subjected to the error and included in the received error notification frame, and shifts the second error monitoring device to an invalidation mode for invalidating reception of subsequent frames, if no error is detected in an own branch with respect to the frame.

Abstract: An electronic device may be provided with wireless circuitry and control circuitry. The wireless circuitry may communicate with a wireless base station using a 5G New Radio (NR) communications protocol. The wireless circuitry may include a phased antenna array. The electronic device may perform antenna scaling operations in which the active antennas in the phased antenna array change over time to optimize wireless performance and power consumption. The electronic device may inform the base station when antenna scaling operations have occurred. This may allow the base station to compensate for power density discontinuities associated with the antenna scaling operations. If desired, the base station may break transmit and receive signal beam correspondence and the electronic device may use different antenna scaling settings for transmitting and receiving signals.

Abstract: A method performed by a first network node (101) for enabling a second feeder link (132) to be established between a second network node (102) and an airborne or orbital communication node (110) in non-terrestrial communications network (100) to handle wireless devices (121) being served by the airborne or orbital communication node (110) is provided. The first network node (101) is handling the wireless devices (121) served by the airborne or orbital communication node (110) over a first feeder link (131) between the first network node (101) and the airborne or orbital communication node (110). The method comprises determining (701) that the wireless devices served by the airborne or orbital communication node (110) are to be handled by the second network node (102) over the second feeder link (132). Also, the method comprises initiating (702) the second feeder link (132) to be established between the second network node (102) and the airborne or orbital communication node (110).

Abstract: A system for fusion of Wi-Fi measurements from multiple frequency bands to monitor indoor and outdoor space is provided. The system includes a multi-band wireless network comprising a set of radio devices to provide coverage in an environment, wherein the set of radio devices are configured to establish wireless communication or sensing links over multi-band wireless channels, wherein the multi-band wireless channels use a first radio band at a millimeter wavelength and a second radio band at a centimeter wavelength. The system further includes a computing processor communicatively coupled to the set of radio devices and a data storage, wherein the data storage has data comprising a parameterized model, modules and executable programs.

Abstract: A method for monitoring packets in a communication network includes at an ingress point, classifying at least one packet of a traffic received at the ingress point for determining whether packets of the traffic are to be monitored and, in the affirmative, associating them with a service of monitoring; at the ingress point, creating a selection policy to identify a packet flow of the packets to be monitored according to the service of monitoring. The method also includes installing the selection policy at one or more measuring points within the communication network, and at each measuring point, identifying the packet flow on the basis of the selection policy. The method further includes at each measuring point, applying monitoring actions associated with the service of monitoring to the identified packet flow.

Abstract: Apparatuses and methods are disclosed for Channel State Information Reference Signal (CSI-RS) resource mapping. According to one embodiment, a method in a network node includes allocating at least one resource for CSI Interference Measurement (CSI-IM) within a predetermined IM region of a Resource Block (RB) of the cell, the predetermined IM region encompassing a plurality of resources of the RB of the cell, the allocated at least one resource being selected from among the plurality of resources of the IM region to reduce a likelihood of overlap with at least one resource allocated for CSI-IM in a neighboring cell, the predetermined IM region at least partially overlapping with a respective predetermined IM region of a RB of the neighboring cell, and the predetermined IM region of the cell not overlapping resources allocated for Non-Zero Power Channel State Information Reference Signal (NZP CSI-RS) of the neighboring cell.

Abstract: Aspects of the present disclosure relate to integration of sensing and wireless communications. Wireless communication networks can configure and implement both sensing signals and communication signals. Sensing signals, or sensing reference signals, can be used to determine properties of the environment, and do not carry any information or data for the purpose of communications. Communication signals, on the other hand, are signals that carry information or data between network entities. Sensing agents can be used for both passive and active sensing. Sensing agents may be dedicated devices capable of performing passive sensing, active sensing, or both. Sensing agents can also be existing networks device such as user equipment or transmit receive points. Methodologies described here may be particularly beneficial for half-duplex systems, but could also be implemented in full duplex systems.

Abstract: A communication device for handling a measurement comprises at least one storage device; and at least one processing circuit coupled to the at least one storage device. The at least one storage device stores, and the at least one processing circuit is configured to execute instructions of: receiving information of a measurement set for at least one slot from a base station (BS), wherein the information comprises at least one of a measurement timing configuration of the measurement set and a measurement resource of the measurement set; and performing the measurement in the at least one slot according to the measurement set, to obtain a measurement result.

Abstract: A method includes determining to send a data packet from a first transceiver to a second transceiver, the data packet configured according to a TCP, determining, at the first transceiver, to trigger the second transceiver to send an ACK packet according to a delayed ACK protocol, sending, from the first transceiver, the data packet with an additional packet responsive to determining the triggering of the ACK packet, and receiving, at the first transceiver, the ACK packet from the second transceiver responsive to the additional packet.

Abstract: Systems and methods are provided for dynamically disabling beamforming for particular user devices. At a node that utilizes carrier aggregation, a node, such as an eNodeB or a gNodeB, communicates with a user device that is located at a cell edge, the communicating comprising transmitting data on at least two channels that utilize beamforming. Performance of the user device is determined to be below a predetermined threshold. When this occurs, beamforming capabilities are disabled for at least one of the at least two channels used to communicate with the user device.

Abstract: A solution for radio signal analyzation in an apparatus in a radio access network, comprises receiving (408) continuously wirelessly from one or more transceivers radio frequency parameters related to one or more radio signals received or transmitted by the transceivers, the parameters designating the quality and properties of the radio signals. The one or more radio signals are transformed (410) to a corresponding number of signal wave forms having a given amplitude, frequency and smoothness where the amplitude, frequency and smoothness of each wave form is controlled based on the received radio frequency parameters of the corresponding signal. The one or more of the signal wave forms are displayed (412).

Abstract: A measurement method, user equipment, and a network side device are provided. The method includes: receiving first measurement configuration information sent by a network side device, where the first measurement configuration information specifies a measurement to be performed by the user equipment; performing the measurement when the user equipment is in an inactive mode or an idle mode different from the inactive mode based on the first measurement configuration information to obtain a measurement result, where the first measurement configuration information is used at least in the inactive mode; and when the user equipment switches from the inactive mode to the idle mode and a measurement timer does not expire, clearing the first measurement configuration information.

Abstract: The present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with an IoT technology and a system thereof. The system may be used for an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and apparatus for inserting an index into a code block as a unit in which a channel code is executed and transmitting the same.

Abstract: The present disclosure relates to system(s) and method(s) for building an ARIMA based Time Series prediction/forecast model for Key Performance Indicators (KPIs) and Performance Management (PM) counters in a telecommunication network. The system receives historical data, for a predefined period, associated with a prediction/forecast model. The system further pre-processes the historical data in order to evaluate statistical characteristics of stationarity of the historical data. Based on the evaluation, the system stationarizes the data first by backfilling anomalies and missing data and then applying techniques associated with differencing, moving averages and auto-correlation. The system further builds the Time Series based prediction/forecast model using the data using ACF and PACF correlation functions.

Abstract: Systems and methods are provided herein for temporary digital content sharing. The systems and methods may involve receiving, from a first device, a selection of a first element associated with a first URL. The systems and methods may also involve determining first content associated with the first URL. The systems and methods may also involve receiving, from the first device, a selection of a second device at which to display the first content associated with the first URL. The systems and methods may also involve providing the first URL to the second device, wherein the URL allows access to the content by the second device.

Abstract: Techniques are disclosed for identifying a maximum segment size (MSS) for a path. For example, a first router includes a routing engine and a packet forwarding engine. The routing engine is configured to identify a path maximum transmission unit (MTU) corresponding to a path between the first router and a second router; and identify a maximum packet overhead size corresponding to a session between a first client device and a second client device over the path between the first router and the second router. Additionally, the routing engine is configured to calculate, based on the path MTU and the maximum packet overhead size, a path maximum segment size (MSS), wherein the path MSS represents a maximum packet payload size corresponding to the path; and control the packet forwarding engine to output information indicative of the path MSS.

Abstract: There is provided a system, a method and an apparatus for managing network resources. The system includes a plurality of wireless entities including a mobile wireless entity and a fixed location wireless entity. The system further includes a plurality of computing devices, each of the plurality of computing devices including a processor and a memory storing instructions, the instructions when executed by the processor cause the plurality of computing devices to provide a location based media access (LOMA) map manager and a LOMA path manager, the LOMA map manager configured to generate and maintain a plurality of LOMA map, each of the plurality of LOMA maps including a plurality of LOMA zones, wherein a plurality of wireless communications resources used for communication between the plurality of wireless entities are associated with each of the plurality of LOMA zones, the LOMA path manager configured to manage communications using the wireless communications resources between the wireless entities.

Abstract: System and method for generating a resource assignment recommendation for a data center network, including receiving a resource request for a requesting application that indicates a requested resource rate and a requested resource time for one or more network links; computing, based on historic resource utilization data for the requesting application, a predicted resource utilization for the requesting application; computing a recommendation for the resource request based on the requested resource rate, requested resource time, and the predicted resource utilization; and providing the recommendation to a resource assignment controller.

Abstract: In one embodiment, a device obtains call transcripts from an online application. The device detects cues within the call transcripts that are indicative of poor user experience. The device generates, based in part on the cues detected within the call transcripts, a model trained to predict poor user experience from network path telemetry for the online application. The device causes traffic for the online application to be routed along a particular network path, based on a prediction by the model.

Abstract: A method and apparatus for carrier aggregation is disclosed. In one embodiment, a method performed by a first wireless communication node, comprising: receiving a downlink signal containing first information from a second wireless communication node, and based on at least a portion of the first information, determining first resource information to perform sidelink communication between the first wireless communication node and at least one third wireless communication node.

Abstract: This disclosure provides methods, devices and systems for configuring tones for a distributed resource unit (RU) across a channel bandwidth to improve frequency diversity and available transmit power. A distributed RU may include a set of tones that may be allocated across a bandwidth that is greater than a bandwidth of the aggregate quantity of tones. The set of tones may include a set of data tones grouped into contiguous groups of one or more data tones and a set of non-contiguous pilot tones. The data tones may be mapped to useful tones over a center portion of a half-bandwidth of the channel. The pilot tones may be mapped near edge tones at edges of the channel bandwidth or near direct current tones at a center of the channel bandwidth. A system bandwidth may include one or more channel bandwidths associated with distributed RUs.

Abstract: The present disclosure relates to enabling and disabling of codewords in multi-subframe grants. In particular, dynamic and subframe based enabling/disabling of codewords is enabled even if other control parameters including the resource allocation is performed for multiple subframes. For instance, signal from a scheduling entity to a scheduled entity comprises control information including the resource grant common for multiple subframes and a plurality of codewords for each subframe, and a codeword indication indicating enabling or disabling of one or more codewords for each of the multiple subframes. For each subframe it is determined whether a codeword from the plurality of codewords in said subframes is enabled or disabled according to the codeword indication and/or which codeword is enabled or disabled. The indication of enabling and disabling may alternatively be done by using modulation and coding scheme indicator values which are not associated with a particular modulation and coding scheme.

Abstract: The embodiments of the present invention relate to the field of communication. Disclosed are a method for evaluating network quality, an electronic device, and a storage medium. The method for evaluating network quality of the present invention includes: generating a target network topology according to node information in a current network, the target network topology being a network topology structure in which a master node is directly connected to each sub node; determining a network transmission cost of the target network topology as a first network transmission cost and a network transmission cost of the actual network topology as a second network transmission cost according to the node information in the current network, the target network topology and an actual network topology of the current network; and determining a quality evaluation result of the current network according to the first network transmission cost and the second network transmission cost.

Abstract: An apparatus may determine whether to indicate a beam failure recovery request to a base station using a contention-free RACH procedure with a dedicated preamble when the UE is timing unsynchronized with the base station. The apparatus may perform, when the apparatus is timing unsynchronized with the base station, the contention-free RACH procedure with the dedicated preamble to indicate the beam failure recovery request when the beam failure recovery request is determined to be indicated to the base station using the contention-free RACH procedure with the dedicated preamble. The apparatus may perform, when the apparatus is timing unsynchronized with the base station, a contention-based RACH procedure to indicate the beam failure recovery request when the beam failure recovery request is undetermined to be sent to the base station using the contention-free RACH procedure with the dedicated preamble.

Abstract: A method by which a terminal transmits uplink control information (UCI) in an unlicensed band and a device using the method are provided. The method generates data and first UCI including information necessary to decode the data, and transmits, to a base station, the data and the first UCI through a physical uplink shared channel (PUSCH) in an unlicensed band, wherein the first UCI further includes information necessary to decode the second UCI when second UCI is transmitted to the base station together with the data and the first UCI through the PUSCH.

Abstract: A method for a user equipment (UE) connected to a serving cell associated with a first satellite is provided. The method receives a measurement configuration including a plurality of synchronization signal block (SSB) measurement timing configurations (SMTCs). Each SMTC may have at least one offset value and a first SMTC in the plurality of SMTCs has a first offset value that is different from a second offset value of a second SMTC of the plurality of SMTCs. The method further receives a signal to perform a measurement procedure for a second cell associated with a second satellite and performs the measurement procedure based on the received plurality of SMTCs.

Abstract: Provided is s a method for a base station to allocate a time interval resource to transceive a downlink data channel (PDSCH) or an uplink data channel (PUSCH). The method include allocating a time interval resource for each OFDM symbol on the basis of a slot or a mini-slot, transmitting, to a terminal, time interval resource configuration information including OFDM symbol allocation data for OFDM symbols used for data channel transception in the slot or the mini-slot, and transmitting, to the terminal, control information selecting one of the symbol allocation data included in the time interval resource configuration information.

Abstract: Embodiments of a device and method are disclosed. In an embodiment, a method of network diagnostic of a network deployed at a customer site involves at a cloud server connected to the network deployed at the customer site, collecting connectivity state information of the network deployed at the customer site and at the cloud server, performing a network diagnostic operation based on the connectivity state information.

Abstract: Certain aspects of the present disclosure provide techniques for sidelink operation. A method that may be performed by a first user equipment (UE) includes generating at least one first message indicating a request for resource allocation for sidelink communication between the first UE and a second UE, transmitting the at least one message indicating the request for the resource allocation, receiving at least one second message allocating one or more first component carriers for the sidelink communication, and communicating with the second UE using the one or more first component carriers.

Abstract: A packet forwarding method, an apparatus, and a system for service function chaining (SFC)-based packet forwarding are disclosed. The packet forwarding method performed by a first service function forwarding node includes receiving a packet forwarding rule from a control node, where the packet forwarding rule indicating a mapping relationship between a match item of traffic characteristic information of a packet and route prefix information; receiving a first packet, where a header of the first packet carries traffic characteristic information of the first packet; determining, based on the packet forwarding rule, target route prefix information corresponding to the traffic characteristic information of the first packet; determining target next-hop information based on the target route prefix information, and forwarding the first packet based on the target next-hop information.

Abstract: Systems, methods, apparatuses, and computer program products for handling limited or unavailable uplink (UL). One method may include receiving, from a user equipment, an indication that uplink transmission is limited or unavailable.

Abstract: A GRE tunnel is configured between multiple computing devices of a distributed cloud computing network and a single origin router of the origin network. The GRE tunnel has a first GRE endpoint that has an IP address that is shared among the computing devices of the distribute cloud computing network and a second GRE endpoint that has a publicly routable IP address of the origin router. A first computing device receives an IP packet from a client that is destined to an origin server. The first computing device processes the received IP packet and encapsulates the IP packet inside an outer packet to generate a GRE encapsulated packet whose source address is the first GRE endpoint and the destination address is the second GRE endpoint. The GRE encapsulated packet is transmitted over the GRE tunnel to the single origin router.

Abstract: A wireless device monitors a downlink control channel of a transmission reception point (TRP) on an active bandwidth part (BWP) of a cell, where the TRP is in an active state. First channel state information reports of the TRP for the active BWP are transmitted. The TRP transitions from the active state into a dormant state in response to a first time period of inactivity on the TRP. The monitoring is stopped. Second channel state information reports of the TRP for the active BWP are transmitted when the TRP is in the dormant state.

Abstract: A method and system to provide Mobility Robustness Optimization (MRO) in a NR network are described. The MRO parameters, use case, management services and information definition and procedures are described. A distributed self-organized network (D-SON) management function requests a producer of provisioning management service (MnS) to set targets, handover parameter ranges, and control information for an MRO function and then enables the MRO function for a non-enabled NR cell. The MRO function receives and analyses information from UEs to determine actions to optimize MRO performance. The D-SON management function collects and analyses MRO related performance measurements to evaluate the MRO performance, and updates the targets, handover parameter ranges, and/or control information when the MRO performance does not meet the targets.

Abstract: Techniques and examples of determination of receiver (RX) beam for radio link monitoring (RLM) based on available spatial quasi-co-location (QCL) information in New Radio (NR) mobile communications are described. An apparatus receives downlink (DL) signaling from a network. The apparatus determines whether to extend an evaluation period of RLM based on a quasi-co-location (QCL) association provided in at least the DL signaling. The apparatus then executes extension of the evaluation period of the RLM, or not, based on a result of the determining.

Abstract: A wireless device receives configuration parameters. The configuration parameters are for a first antenna group for a cell. The configuration parameters are for a second antenna group for the cell. The wireless device triggers a power headroom report in response to activating the first antenna group. The wireless device transmits the first power headroom report.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) and another device (e.g., another UE) may transmit messages on a shared channel accessed in a half-duplex manner (e.g., within a vehicle-to-everything (V2X) network). The UE and the other device may transmit messages on semi-persistently scheduled (SPS) resources. A message of the UE and a transmission of the other device may collide (e.g., be transmitted in the same subframe). The UE may employ muting and measuring, in which the UE may refrain from transmitting on a SPS resource and may detect the transmission of the other device. Upon detection of other transmissions, the UE may perform resource reselection. During resource selection or resource reselection, the UE may exclude an entire subframe of candidate resources if one of the candidate resources of the subframe is mapped to a resource associated with a transmission from another device.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) configured to operate in discontinuous reception (DRX) mode switches to DRX active time of a DRX cycle of the DRX mode, and transmits one or more uplink positioning reference signal (UL-PRS) resources of an UL-PRS occasion based on the UL-PRS occasion at least partially overlapping DRX OFF time of the DRX cycle after the DRX active time.

Abstract: Apparatus, methods, and computer program products for DRX adjustment are provided. An example method includes receiving, from a base station, a discontinuous reception (DRX) configuration for the UE based on one or more DRX preferences. The example method further includes adjusting one or more parameters of the DRX configuration in response to a trigger at the UE. The example method further includes transmitting assistance information to the base station, the assistance information including the one or more parameters adjusted by the UE.

Abstract: There is disclosed a method of operating a user equipment in a radio access network. The method includes transmitting control information utilizing a control information format, the control information format being selected from a plurality of different control information formats based on a format indication. The disclosure also pertains to related devices and methods.

Abstract: A mobile communications system is proposed in which mobile communications devices are arranged to transmit signals to and to receive signals from a base station using one or a subset of available sub-bands, with the base station being configured to move the mobile communications devices between the sub-bands. An anchor sub-band is also provided on which idle mobile communications devices camp until they are moved to one or more other sub-bands in addition to or instead of the anchor sub-band.

Abstract: This application provides example methods and example devices for sending channel state information. One example method includes receiving L reference signals, where L is a positive integer greater than or equal to 1. Channel state information can then be sent, where the channel state information includes resource indexes of M reference signals in the L reference signals, K pieces of antenna panel state information, and M sets of channel quality information, where the K pieces of antenna panel state information indicate states of antenna panels, the K pieces of antenna panel state information are related to M sets of channel quality information, the M sets of channel quality information are in a one-to-one correspondence with the resource indexes of the M reference signals.

Abstract: Embodiments of the present invention provide a communication method and apparatus, and a computer-readable storage medium, to resolve a prior-art problem that data sending or data receiving of a terminal device is delayed. The method includes: if no monitoring occasion of a wake-up signal exists in a first time window, or a first time window includes no monitoring occasion of a wake-up signal in at least one search space set configured for a terminal device, monitoring a physical downlink control channel within an on duration time period of a discontinuous reception DRX state, where the first time window is a time window for monitoring the wake-up signal, the wake-up signal indicates the terminal device to monitor the physical downlink control channel within the on duration time period, and the first time window is prior to the on duration time period.

Abstract: Methods, systems, and devices for wireless communications are described. For example, a user equipment (UE) may transmit, to a base station, an indication of a capability of the UE to switch from monitoring a set of frequency resources according to a first subcarrier spacing (SCS) to monitoring the set of frequency resources according to a second SCS, less than the first SCS. The indication may indicate an amount of time for the UE to switch between SCSs. The UE may receive, from the base station, signaling that indicates a configuration for monitoring the set of frequency resources according to the second SCS (e.g., a configuration for a reduced SCS window). The UE may switch from monitoring the set of frequency resources according to the first SCS to monitoring the set of frequency resources according to the second SCS based on receiving the configuration for monitoring the set of frequency resources.

Abstract: Embodiments for adaptive inline modulation tuning for optical interfaces is described. The inline modulation tuning is provided by optical nodes, where the optical nodes exchange optical modulation information and node ability information between optical devices in a node pair. An optimal modulation scheme for the node pair is selected based on modulation abilities of each node and associated transceiver, as well as a link quality and performance observed for the optical link.

Abstract: Methods and systems are provided for allocating resources including VoIP (voice over Internet Protocol) and Non-VoIP resources. In some embodiments, multiplexing schemes are provided for use with OFDMA (orthogonal frequency division multiplexing access) systems, for example for use in transmitting VoIP traffic. In some embodiments, various HARQ (Hybrid Automatic request) techniques are provided for use with OFDMA systems. In various embodiments, there are provided methods and systems for dealing with issues such as Handling non-full rate vocoder frames, VoIP packet jitter handling, VoIP capacity increasing schemes, persistent and non-persistent assignment of resources in OFDMA systems.