Abstract: A method of decentralized medium access control in a communications network consisting of a plurality of stations, wherein a sending station transmits a reservation request for a future transmission to an intended receiving station, said intended receiving station being in a reception range of said sending station, said reservation request signalling reservation information including starting point and duration of the transmission, defining a time period of said future transmission, and, in case of a multi-channel system, frequency or code of the channel of said future transmission, so establishing a reservation, and stations active in said reception range overhear said reservation request and other stations than said intended receiving station perform the actions of storing said reservation information locally and defer from medium access during the time period and on the channel of the future transmission.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) operating in unlicensed spectrum may determine that a base station is not transmitting during a particular time period (e.g., by detecting the absence of a control signal). The UE may then perform a listen-before-talk (LBT) procedure and, if the channel is available, may perform an autonomous uplink (UL) transmission. The autonomous UL transmission may include control information to facilitate decoding. Thus, the base station may receive the control information, and decode the rest of the autonomous UL transmission accordingly. The base station may configure the UE for autonomous UL transmissions when the radio link is established, and may also send dynamic configuration information to initiate, suspend, or reconfigure parameters for autonomous UL transmissions.

Abstract: Systems and methods relating to transmit patterns that define multiple transmit opportunities for a wireless device in a cellular communications network are disclosed. In some embodiments, a method of operation of a wireless device in a cellular communications network comprises receiving an indication of one or more transmit patterns for one or more logical channel groups. Each transmit pattern of the one or more transmit patterns defines a plurality of transmit opportunities. The method further comprises, based on the one or more transmit patterns, determining when to transmit a scheduling request for transmission of data in accordance with the one or more transmit patterns. The method further comprises, upon determining that it is time to transmit a scheduling request, transmitting a scheduling request to a radio access node to thereby request resources for transmission of uplink data in accordance with the one or more transmit patterns.

Abstract: Uplink resource assignment in a wireless local area network (WLAN) by an access point (AP) to wireless stations (STAs) is herein provided using opportunistic feedback from the STAs. The AP sends a message to a first STA; the message is also observed by a second STA. Each STA can determine if it wishes to opportunistically send information concerning the message to the AP. The second STA can perform power measurements on the message and send subcarrier signal to noise ratio (SNR) or ranking information to the AP. Thus, the AP can receive, possibly without expectation, encoded or compressed information describing radio channels of the first STA and/or the second STA. Based on the received channel information the AP improves operation of a dynamic resource allocation algorithm which determines uplink grants of resource units (RUs) to the STAs.

Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit first information specifying at least one communication resource requested to be allocated; and a receiver configured to receive second information specifying at least one communication resource allocated depending on the first information. The transmitter is configured to transmit a signal via the allocated communication resource and the receiver is configured to receive a signal via the allocated communication resource.

Abstract: Disclosed is a system for connecting a beacon device and a gateway device. The system includes beacon devices and the gateway device. The beacon device belonging to the beacon devices is adapted to provide a bi-directional connection to the GW device and the GW device is adapted to provide a bi-directional connection to an application system. The beacon devices form a multi-hop wireless mesh network, the GW device provides a bi-directional mesh connection to the wireless mesh network, and the wireless mesh network is used for communicating data between the beacon device and the GW device.

Abstract: Embodiments of this application relate to communication technologies and provide a method for transmitting or retransmitting data in a transport block. The transport block includes one or more code block groups, and each code block group includes one or more code blocks. A data processing device determines a code block group in the transport block that needs to be transmitted. Each code block in the code block group is processed by the data processing device to obtain a bit sequence. The data processing device transmits one or more bit sequences obtained by processing one or more code blocks in the code block group. The method and the apparatus provided in this application help reduce waste of air interface resources.

Abstract: A switch fabric is disclosed that includes a serial communications interface and a parallel communications interface. The serial communications interface is configured for connecting a plurality of slave devices to a master device in parallel to transmit information between the plurality of slave devices and the master device, and the parallel communications interface is configured for separately connecting the plurality of slave devices to the master device to transmit information between the plurality of slave devices and the master device, and to transmit information between individual ones of the plurality of slave devices. The parallel communications interface may comprise a dedicated parallel communications channel for each one of the plurality of slave devices. The serial communications interface may comprise a multidrop bus, and the parallel communications interface may comprise a cross switch.

Abstract: A communications device includes: a processor, configured to determine a quantity of first idle channels; and a transmitter, configured to send data to a receiving end on each of the first idle channels; wherein the processor is further configured to: determine whether the data is to be resent; and if the data is to be resent, cause the transmitter to resend the data; and continue to determine whether the data is to be resent and, if the data is to be resent, re-determine the quantity of first idle channels and cause the transmitter to resend the data.

Abstract: Systems and methods for flexible channelization are provided. Different TU sizes are used for transmissions by different UEs. The different UEs may use different access schemes, and may transmit using time frequency resources that at least partially overlap.

Abstract: A wireless device, a Radio Access Network (RAN) node, and various methods are described herein for improving the coverage performance of the Extended Coverage (EC)-Random Access Channel (RACH). For instance, the wireless device, the RAN node, and various methods can improve the coverage performance of the EC-RACH by utilizing a new access burst (referred to herein as Extended Synchronization Access Burst (ESAB)), a new coding scheme (referred to herein as RACH11?) for the CC5 2TS EC-RACH, and/or an access burst mapping scheme for the CC5 2TS EC-RACH.

Abstract: A method is provided to interface an active stylus with a sensor controller, wherein the sensor controller is coupled to a sensor configured to receive input from the active stylus. In the method the sensor controller defines data frames consisting of more than one time slot usable for receiving packets from the stylus. The active stylus transmits, in response to a request from the sensor controller, a signal including stylus capability information. The sensor controller determines, based on the stylus capability information, a downlink time slot allocation for use by the active stylus to transmit packets to the sensor controller. The sensor controller transmits the downlink time slot allocation to the active stylus.

Abstract: A device, system and method for preventing audio loss is provided. A device receives scheduling data, for a plurality of timeslots, indicative of when different communication types are to occur in a present voicecall, the plurality of timeslots including at least one data timeslot for transmitting data on the present voicecall. When a state of the present voicecall associated with a potential collision with the data for transmission in the at least one data timeslot is determined, the device cancels transmission of the data in the at least one data timeslot.

Abstract: According to one embodiment, a wireless communication device includes a receiver and a transmitter. The receiver receives a first frame in a predetermined frequency band. The transmitter transmits a second frame in the predetermined frequency band at a same time as receipt of the first frame. The transmitter transmits control information that controls a transmission timing of a third frame that is a response frame to the second frame. The transmitter transmits a fourth frame that is a response frame to the first frame, at a timing according to the control information.

Abstract: Personal area network (PAN) functionality is partitioned between a pod cluster controller (PCC) and one or more separately housed “pods” with which it communicates. A pod includes a transceiver, providing the PAN to some area. The PCC communicates audio and control data with its pods, which together form a cluster, and may provide power to them. The structure of a pod can be simple, because the PCC can handle various services on behalf of its pods—for example, the PCC can interface with external analog audio devices (e.g., audio speaker, microphone); digital devices; peripherals; or the Internet. The PCC may encode/decode and multiplex/mix audio data. The partitioning can mitigate various PAN issues such as line-of-sight and metal interference, and can extend a pod cluster to have arbitrarily large PAN spatial coverage.

Abstract: A network broadcast method using a MAC unicast and an MPR node allows a source node to transmit a data packet to at least one MPR node which is located within one-hop distance from the source node and allows the at least one MPR node to transmit the data packet to each next-ranked MPR nodes. At least one normal node, which is not an MPR node while being located within one-hop distance from the source node, receives the data packet of the source node, which is transferred from the source node to an MPR node or transferred between MPR nodes through overhearing. Although the source node and MPR nodes are in a hidden-node relationship, collision is prevented, thereby minimizing data packet loss to improve the transmission reliability, and enabling the data packet of the source node to be reliably broadcasted on a network.

Abstract: Described techniques provide for prioritization of radio bearers and logical channels based on mixed transmission time interval (TTI) durations or numerologies of the bearers or logical channels. Two or more bearers may be identified for uplink data transmission that carry data to be transmitted using different TTI durations or numerologies. Each bearer may be prioritized based on the associated bearer type, TTI duration or numerology, or combinations thereof. Additionally, one or more logical channels may be associated with one or more bearers, and also prioritized based on the associated bearer type, TTI duration or numerology, or combinations thereof. A buffer status report (BSR) may be generated that has one or more portions associated with the different priorities of bearers or logical channels. Buffer information associated with the higher priority bearers or logical channels may be provided ahead of buffer information associated with lower priority bearers or logical channels.

Abstract: A system and method for optimizing power consumption of energy harvesting nodes in a wireless sensor network. In one embodiment, a system includes a network coordinator. The network coordinator includes a wireless transceiver and a controller. The wireless transceiver is configured to provide access to the wireless sensor network. The controller is configured to determine whether a wireless device that is wirelessly communicating with the network coordinator is powered via energy harvesting. The controller is also configured to schedule, based on a determination that the wireless device is powered via energy harvesting, the wireless device to communicate via the wireless sensor network using a priority timeslot of a superframe of the wireless sensor network. The priority timeslot is a timeslot occurring in an initial portion of the superframe.

Abstract: This disclosure describes methods, apparatuses, and systems related to signaling for concurrent operation and/or cancellation capabilities for termination of concurrent operations on networks (e.g., NAN, WLAN networks). In some implementations, systems and methods are provided for handling of time blocks that partially overlaps with the concurrent operations.

Abstract: A wireless communication network that forms an ad-hoc network without the arrangement of a controlling station sets a period that a communication apparatus can utilize with priority and performs isochronous communication in the period as required. When isochronous communication has not been performed or after isochronous communication has finished in the priority utilization period, other communication apparatuses perform arbitrary communication. When another communication is performed in a communication apparatus's own priority utilization period, the start of isochronous communication is temporarily delayed. In an ad-hoc communication environment, data having a real-time characteristic, such as AV content, can be efficiently transmitted through the isochronous communication.

Abstract: Wireless communications systems and methods related to reclaiming of resources in a shared frequency spectrum shared by multiple operators are provided. A first wireless communication device associated with a first operator of a plurality of operators identifies a transmission opportunity in a shared frequency spectrum shared by the plurality of operators, wherein the first operator has priority among the plurality of operators for accessing the shared frequency spectrum in the transmission opportunity. The first wireless communication device communicates with a second wireless communication device associated with the first operator, in the transmission opportunity without a prior reservation of the transmission opportunity.

Abstract: A method of wireless communication may include transmitting an uplink slot with a first control region, a second control region, and (e.g., optionally) a data region. Each region may include time resources and frequency resources. Transmitting the uplink slot may include transmitting the first control region in an earlier part of the uplink slot and transmitting the second control region (e.g., and the data region) in a later part of the uplink slot. The first control region may include time-critical control information and the second control region may include non-time-critical control information. A receiver receiving the uplink slot may receive the first control region before receiving the data region and the second control region.

Abstract: A method and apparatus for synchronizing group video is provided herein. Upon a triggering event, users viewing a video over an LTE network will transmit synchronization information (e.g., a frame number, or a time stamp of the video frame, . . . , etc.) over an LMR and/or LTE network. In response, user devices will synchronize to the same spot in the video.

Abstract: A system and method for minimizing or preventing interference between wireless networks is disclosed. A network hub broadcasts a beacon signal within repeating beacon periods. The position of the beacon signal shifts within each beacon period based upon a predetermined pseudo-random sequence. The beacon signal includes data identifying the current beacon shift sequence and the current phase of the sequence. Neighboring hubs independently or jointly determine and broadcast their own beacon shift sequences and phases for their respective networks from a predetermined list. Nodes connected with the network hubs are assigned allocation intervals having a start time that is set relative to the beacon signal. The start time and duration of the allocation interval wraps around the beacon period if the allocation-interval would otherwise start or continue in a next beacon period.

Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit first information specifying at least one communication resource requested to be allocated; and a receiver configured to receive second information specifying at least one communication resource allocated depending on the first information. The transmitter is configured to transmit a signal via the allocated communication resource and the receiver is configured to receive a signal via the allocated communication resource.

Abstract: A wireless network with at least one base station and a plurality of associated terminals for the exchange of payload data and control data and at least one common transmission channel which is available for access to several terminals is described. The base station is configured to control access to the common transmission channel and the terminals are configured to send at least an access signal to the base station for the purpose of obtaining access to the common transmission channel. Different start moments and different preambles can be assigned to the terminals for transmitting their respective access signals.

Abstract: [Object] To provide a wireless communication device and a wireless communication method capable of further reducing power consumption in a wireless node. [Solution] Provided is a wireless communication device including a wireless communication unit configured to transmit a signal to a base station through wireless communication, a positional information acquisition unit configured to acquire positional information indicating a position of the wireless communication device, and a control unit configured to determine an area to which the wireless communication device belongs based on the positional information acquired by the positional information acquisition unit and control the wireless communication unit to perform the transmission according to radio resources allocated to the area to which the wireless communication device belongs.

Abstract: An electronic device may include first and second antennas and a Bluetooth transceiver. Control circuitry may perform Bluetooth antenna diversity operations by coupling the Bluetooth transceiver to a selected one of the first and second antennas at a given time. The Bluetooth transceiver may transmit a first Bluetooth data packet and may determine whether a scheduled response packet associated with the first packet has been received over the first antenna during a predetermined time period. In response to determining that the Bluetooth transceiver has failed to receive the scheduled response packet during the first predetermined time period, the Bluetooth transceiver may re-transmit the first packet using the second antenna. This may serve to reduce the error rate of the transmitted Bluetooth data over time relative to scenarios where a single antenna is used, without requiring resource-intensive sensor circuitry to actively monitor the performance of the antennas.

Abstract: There is provided a terminal device that transmits a signal to a base station apparatus through uplink, the terminal device including: a transmission unit that transmits to the base station apparatus a first MAC control element which includes a first buffer size field indicating an amount of first data available for transmission within a first buffer for the uplink and a second MAC control element which includes a second buffer size field indicating an amount of second data available for transmission within a second buffer for a first link that is used for communication between the terminal device and a different terminal device, in which, in a case where a first parameter is not configured, a value that is used in the first buffer size field is indicated with a first table, in which, in the case where the first parameter is configured, the value that is used in the first buffer size field is indicated with a second table, and in which a value that is used in the second buffer size field is indicated at all t

Abstract: A portable terminal comprises an ID acquisition section, a position information acquisition section and a return instruction section. The ID acquisition section acquires ID information that specifies a print job sent from an information processing apparatus to an image forming apparatus. In a case in which the ID information is acquired and a beacon signal is received from a beacon transmitter, the position information acquisition section acquires, according to the received beacon information, position information relating to a position of the portable terminal relative to the image forming apparatus. If the position information meets a specific condition indicating the approach of the portable terminal to the image forming apparatus, the return instruction section instructs the image forming apparatus to return from a power-saving mode to a normal mode.

Abstract: System and method embodiments are provided for packet relaying. The embodiments enable reduced network traffic. In an embodiment, a method in a wireless network component for packet relaying includes transmitting a first data packet comprising data to a relay station, wherein the first data packet comprises an identification (ID) of the target wireless device wherein the data packet is intended for a target wireless device, wherein the relay station is configured to forward the data in the first data packet to the target wireless device without sending an acknowledgement back to the wireless network component; receiving a second data packet transmitted by the relay station; and determining whether a receiver ID of the second data packet corresponds to the target wireless device, wherein the wireless network component considers the transmission successful if the receiver ID of the second data packet corresponds to the target wireless device.

Abstract: A base station (BS), a user equipment (UE), a transmission control method for the BS and a data transmission method for the UE are provided. Based on user group information, the base station transmits uplink transmission control information to a plurality of the UEs in a group to make each UE contend for a plurality of subframes in the allocated unlicensed band radio resource pool. If a UE successfully contends for a subframe, the UE transmits a reservation signal and transmits an uplink data signal in the contended subframe. If the UE detects another reservation signal when contending for the subframe, the UE determines whether the another reservation signal is associated with the ID of its group. If associated, the UE transmits the uplink data signal in the subframe.

Abstract: Disclosed are a method and apparatus for transmitting and receiving data using a Bluetooth low energy (BLE) technology. A method of transmitting or receiving data using Bluetooth low energy (BLE) in a wireless communication system includes forming Bluetooth LE connection with a second device, establishing an isochronous channel for transmitting an audio packet with the second device and transmitting audio packets to the second device through the isochronous channel using an interleaved method at a specific channel interval. The sequence in which the audio packets are transmitted may be determined regardless of whether acknowledgement (ACK) for each of the audio packets is received from the second device.

Abstract: Various embodiments are described for a trained data transmission for communication systems. A training phase may include a first wireless station exchanging medium reservation messages with a second wireless station to reserve a medium and to select a data transmission parameter. The data transmission parameter may include a modulation scheme and a forward error correction (FEC) coding rate. At least one of the medium reservation messages may include a duration field indicating a duration for which the medium is reserved. A first data phase may include sending data from the first wireless station to the second wireless station according to the selected data transmission parameter. A second data phase may then be performed without first repeating the training phase. The second data phase may include transmitting data from the first wireless station to a second wireless station according to the data transmission parameter.

Abstract: System and method for scheduling and coordinating transmission signals in a wireless data communications network, comprising a master node and at least one tag node. In some embodiments, the network may also include a slave node. The master node divides time into repeating time division blocks comprising a configuration window and at least one transaction window. During the configuration window, the master node provides operating parameters to the tag or slave nodes, including a time slot within the transaction window that is reserved for the tag or slave nodes to broadcast data to the master node. The transaction window is subdivided into multiple reserved time slots, and each slot is assigned to a specific tag or slave node. When a reserved time slot arrives, the tag or slave node will broadcast data signals to the master node.

Abstract: The disclosed computer-implemented method for forwarding network traffic using minimal Forwarding Information Bases (FIBS) may include (1) identifying a Routing Information Base (RIB) that includes a set of routes that define paths to destinations both inside and outside a network and then (2) creating a FIB that includes a subset of active routes whose size is below a size threshold by (A) importing, from the set of routes within the RIB, (I) internal routes that define paths to destinations inside the network, (II) high-traffic external routes that define paths to destinations outside the network, and (III) a default route that defines a path to a default node that facilitates resolution of traffic that does not match any of the internal or high-traffic external routes and (B) excluding, from the FIB, low-traffic external routes that define paths to destinations outside the network. Various other methods, systems, and apparatuses are also disclosed.

Abstract: A system for controlling a contention state for a communication link between a base station controller and customer premises equipment in point-to-multipoint communication. The contention state is controlled using a state machine, which includes a grant pending absent state in which a unicast request slot is maintained open for use by the customer premises equipment. During the grant pending absent state, the customer premises equipment sends no upstream data to the base station controller but can use the unicast request slot to request a data slot for sending upstream data to the base station controller. In the grant pending state, the customer premises equipment preferably uses piggybacking to request grant of a next data slot while sending upstream data to the base station controller.

Abstract: A controller performs a mediation of an assigned radio resource such that the radio resource assigned to each of a plurality of other user terminals does not overlap each other, in a case where a transmission of user data is not performed among each of the plurality of other user terminals through D2D communication, and in a case where each of the plurality of other user terminals assigns the radio resource for transmitting the user data through the D2D communication.

Abstract: A method for transmitting a status report in a communication system based on multiple Radio Access Technologies (RATs) is provided. The method includes, when missing sequence numbers are detected from sequence numbers of packets stored in a reception buffer, identifying whether there are one or more sequence numbers which have not been received due to a transmission delay time difference between the multiple RATs in the missing sequence numbers, and when there are one or more sequence numbers in the missing sequence numbers, delaying transmission of the status report.

Abstract: A communication method for a wireless network is disclosed. The wireless network comprises a plurality of wireless devices. The method comprises transmitting one or multiple packets with an omni-beam by a first wireless device to a second wireless device in a packet exchange during an omni-beam duration to indicate a sectorized-beam duration, receiving the packet(s) by a third wireless device, transmitting/receiving data by the first wireless device using a sectorized beam in a packet exchange with the second wireless device during the sectorized beam duration, and detecting by the third wireless device the sectorized beam packet(s) from the first wireless device and packet(s) from the second wireless device, if no sectorized beam packet(s) from the first wireless device and packet(s) from the second wireless device is detected, the third wireless device starting to communicating with a fourth wireless device.

Abstract: Methods, systems, and devices for wireless communication are described. An access point (AP) may win access to an unlicensed frequency channel for a transmission opportunity. For the transmission opportunity, the AP may dynamically schedule a duration of time to be used for uplink transmissions and a duration of time to be used for downlink transmissions. The schedule may be based on a comparison of values for a parameter monitored by the AP. The parameter may be monitored for uplink traffic and for downlink traffic. The parameter may indicate the latency experienced by each direction of traffic, or an intolerance of each direction of traffic to delay. The AP may schedule the uplink and downlink durations to compensate for the discrepancy in latency between the two directions of traffic.

Abstract: A method, a computer program product, and an apparatus are provided. In one configuration, the apparatus transmits a first broadcast signal including information indicating an intention to use a unicast resource for a broadcast. In addition, the apparatus transmits a second broadcast signal in the unicast resource. In another configuration, the apparatus, which is a first wireless device, receives a first broadcast signal from a second wireless device including information indicating an intention to use a unicast resource for a broadcast. In addition, the apparatus receives a first scheduling signal from the second wireless device in a scheduling resource. The first scheduling signal is for indicating a second intention to use the unicast resource for transmitting a second broadcast signal. Furthermore, the apparatus refrains from transmitting a second scheduling signal in the scheduling resource in response to the first scheduling signal.

Abstract: This disclosure describes, in part, a system management component and failure detection component for use in a power grid data network to identify anomalies within the network and systematically adjust the quality of service of data published by publishers and subscribed to by subscribers within the network. In one implementation, subscribers may identify a desired data rate, a minimum acceptable data rate, desired latency, minimum acceptable latency and a priority for each subscription. The failure detection component may identify an anomaly within the network and a source of the anomaly. Based on the identified anomaly, data rates and or data paths may be adjusted in real-time to ensure that the power grid data network does not become overloaded and/or fail.

Abstract: A method for a mobile communication system, the mobile communication system defining a dedicated channel (DCH) active set and an enhanced-dedicated channel (E-DCH) active set, the method including performing a power measurement of a pilot signal from a cell that is not included in the E-DCH active set but included in the DCH active set, and performing a power measurement of a pilot signal from a cell that is included in the E-DCH active set.

Abstract: A first communication device determines that each second communication device in a plurality of second communication devices has respective data to be transmitted to the first communication device. The first communication device transmits a request to the plurality of second communication devices to transmit data to the first communication device simultaneously during a transmit opportunity period of the first communication device. The first communication device receives data transmitted simultaneously by the plurality of second communication devices during the transmit opportunity period of the first communication device.

Abstract: Video sub-reservation protocol in a wireless ecosystem. Appropriate access is provided to a number of wireless communication devices to ensure very high performance and a high perceptual user experience with respect to media related content communications. Access to the communication medium (e.g., air within a wireless location system) is provided to various wireless communication devices in a manner as to minimize collisions and contention. In one instance, different respective access assignment periods are sub-divided to give respective communication medium access to various devices within the system. Such sub-reservation may be adaptive in response to any of a number of considerations (e.g., traffic, device processing history, etc.). Also, such sub-reservation may provide respective time specificity at or during which certain devices may conduct communications, but may also specify any other operational parameters (e.g.

Abstract: A method, wireless device and computer program product for expanding the coverage of a cellular network. A wireless device (e.g., cellular telephone) is able to communicate with a base station in a cell of the cellular network over a non-cellular interface via another wireless device in a cell through the use of multi-hopping. A wireless device may request permission to communicate with the base station over a non-cellular interface via hopping off another wireless device when its signal strength is below a threshold. Alternatively, a wireless device may receive a request to communicate with the base station over a non-cellular interface via hopping off the wireless device that sent the request when that wireless device has excess capacity in its bandwidth with the base station.

Abstract: In one embodiment, a device in a channel hopping, communication network independently maintains a slot counter, and computes a channel identification (ID) based on a function having inputs of a unique feature of the device, ii) a current slot of the slot counter, and iii) a set of possible channel IDs. Accordingly, the device configures its radio to receive on the computed channel ID for the respective current slot. In another embodiment, the device may determine, for a neighbor device, a current neighbor slot and unique neighbor feature, and correspondingly computes a neighbor channel ID based on the function using the unique neighbor feature, the current neighbor slot, and the set of a possible channel IDs. As such, the device configures its radio to transmit on the computed neighbor channel ID for the respective current neighbor slot.

Abstract: In an aspect of the disclosure, a method, a computer program product, and an apparatus are provided. The apparatus may be a first node. The first node determines to transmit a first packet to a second node in a first data slot of a first frame. The first data slot being associated with a first reservation resource and a second reservation resource. The first node determines whether the first node has a privilege for the first data slot of the first frame, when the first packet is of priority based traffic. The first node transmits a reservation message to the second node in the first reservation resource when the first node is determined to have the privilege for the first data slot.

Abstract: A base station includes a transmitter configured to transmit a downlink control information to a user equipment, the downlink control information being generated based on one of (1) a first uplink allocation information indicating a first frequency block corresponding to a first plurality of subcarriers which are contiguous in frequency and (2) a second uplink allocation information indicating a second frequency block corresponding to a second plurality of subcarriers which are contiguous in frequency and a third frequency block corresponding to a third plurality of subcarriers which are contiguous in frequency, the second frequency block and the third frequency block being separated in frequency.