Abstract: A first V2X wireless device may transmit a first discovery request to a V2X network entity. The a V2X network entity may comprise a first wireless device identifier and a V2X value. The V2X value may indicate a V2X communication capability. The first V2X wireless device may receive a first discovery response from the V2X network entity. The first discovery response may comprise a first discovery code. The first discovery code may correspond to at least the V2X value. The first V2X wireless device may perform a discovery procedure. The discovery procedure may employ the first discovery code. The first V2X wireless device may communicate, with a second V2X wireless device by employing the V2X communication capability, one or more packets in response to the discovery procedure connecting the first V2X wireless device with the second V2X wireless device.

Abstract: A wireless device receives a downlink control information comprising a first field and a second field. The wireless device determines a position of a first subframe in one or more subframes employing the first field. The wireless device transmits, in the first subframe, one or more channel state information (CSI) fields when the second field is set to trigger a CSI report.

Abstract: A wireless device may transmit a session initiation protocol (SIP) REGISTER request to an internet protocol multimedia subsystem (IMS) network entity. The SIP REGISTER Request may comprise a first SIP header field. The first SIP header field may comprise one or more indicators for V2X capabilities of the wireless device. The wireless device may receive a SIP response from the IMS network entity. The SIP response may comprise the first SIP header field confirming the registration of the V2X capabilities. The wireless device may receive a second SIP request from the IMS network entity. The second SIP request may comprise a second SIP header field. The second SIP header field may comprise one or more indicators for V2X multicast service capabilities. The second SIP request may comprise one or more configuration parameters to receive packets via V2X broadcast and multicast bearers. The wireless device may transmit a second SIP response to the IMS network entity.

Abstract: A wireless device receives at least one downlink control information (DCI) indicating uplink resources in a set of m consecutive subframes 0 to m?1. The wireless device performs an LBT procedure on a channel to make a transmission in subframe k+1, if the wireless device cannot access the channel for a transmission in subframe k, k E {0, . . . , m?2}.

Abstract: A wireless device receives a first downlink control information (DCI) indicating first uplink resources of a licensed cell. The first DCI comprising a first field indicating one of: a modulation and coding scheme (MCS) for an initial transmission or a re-transmission redundancy version (RV). The wireless device receives a second DCI indicating second uplink resources of a licensed-assisted-access cell. The second DCI comprises an MCS field and an RV field. The wireless device transmits a first transport block (TB) employing the first field and transmits a second TB employing the MCS field and the RV field.

Abstract: A wireless device receives one or more downlink control information (DCI) comprising transmission parameters for a plurality of signals and one or more power control commands. The wireless device calculates a transmission power of each of the plurality of signals employing the one or more power control commands. The wireless device calculates an energy detection threshold based, at least in part, on the transmission power of the plurality of signals. The wireless device performs a listen before talk (LBT) procedure employing the energy detection threshold.

Abstract: A first off-network wireless device discovers a second off-network wireless device employing a proximity services (ProSe) discovery procedure. The first off-network wireless device receives a broadcast announcement for an off-network session identifying one or more first required capabilities from the second off-network wireless device. The first off-network wireless device determines when the first off-network wireless device is compliant with the one or more first required capabilities. The first off-network wireless device joins the off-network session in response to the first off-network wireless device being compliant.

Abstract: A first wireless device transmits to a second wireless device, a SIP REGISTER message comprising a first Contact header field comprising an internet Protocol multimedia subsystem (IMS) identifier identifying a mission critical video capability of the first wireless device. The second wireless device transmits to an IMS network entity, a second SIP REGISTER message comprising a second Contact header field comprising the IMS identifier. The IMS network entity identifies a mission critical application server (MC AS) and registers the first wireless device to the MC AS. The MC AS: receives a SIP request from the IMS network entity for the first wireless device; determines that a mission critical video service can be established employing the SIP request and the mission critical video capability; and transmits the SIP request to the first wireless device via the second wireless device.

Abstract: A first off-network mission critical (ONMC) wireless device discovers ONMC wireless devices employing a proximity services discovery procedure. First media traffic is transmitted employing a first mission critical session to a third ONMC wireless device. A message comprising an organization field identifier and an organization identifier is received from a second ONMC wireless device. A call priority is determined, at least in part, based on the organization field identifier and the organization identifier. Transmission of the first media traffic terminates, based at least on the call priority. Transmission of second media traffic to the second ONMC wireless device employing a second mission critical session may be started.

Abstract: The wireless device selects a first licensed assisted access (LAA) cell uniformly randomly from a plurality of LAA cells. The wireless device performs a first listen before talk (LBT) procedure for the first LAA cell employing a long monitoring period. The wireless device performs a second LBT procedure for a second LAA cell in the plurality of LAA cells employing a short monitoring period. The wireless device transmits to a base station one or more first transport blocks (TBs) on the first LAA cell and one or more second TBs on the second LAA cell.

Abstract: A base station performs channel access procedures for transmission on the plurality of LAA cells comprising a first cell group and a second cell group. The channel access procedures comprising a first channel access procedure of a first cell of the first cell group. The first channel access procedure is dependent on a second channel access procedure of a second cell of the first cell group and is independent of a third channel access procedure of a third cell of the second cell group.

Abstract: A Wireless device receives, for a licensed assisted access (LAA) cell, one or more downlink control information (DCI) comprising parameters for one or more uplink transmissions. The wireless device performs one or more listen before talk (LBT) procedures. The wireless device increments a counter when a configured number of the one or more LBT procedures indicate a busy channel The wireless device transmits one or more second messages comprising one or more fields, and a value of the one or more fields depending, at least, on the counter.

Abstract: A wireless device receives a downlink control information (DCI) indicating an uplink grant for an LAA cell. The wireless device generates one or more transport blocks (TBs) employing the uplink grant. The wireless device performs an LBT procedure on the LAA cell. The LBT procedure employs an energy detection threshold lower than or equal to the first energy detection threshold value. The wireless device transmits the one or more TBs on the LAA cell if the LBT procedure indicates a clear channel.

Abstract: A wireless device receives one or more messages comprising configuration parameters of a licensed assisted access (LAA) cell. The wireless device receives a physical downlink control channel (PDCCH) order initiating a random access procedure on the LAA cell. The wireless device performs a listen before talk (LBT) procedure to attempt to transmit a random access preamble on the LAA cell. The wireless device increments a counter after a transmission attempt. The wireless device considers the random access procedure unsuccessful on the LAA cell when the counter reaches a first value.

Abstract: A wireless device selects a first unlicensed cell as an unlicensed pathloss reference. The wireless device may receive a plurality of downlink control information (DCIs) indicating a plurality of grants for transmission of uplink transport blocks on a second unlicensed cell. The wireless device may transmit the uplink transport blocks on the second unlicensed cell. A transmission power of the uplink transport blocks on the second unlicensed cell is calculated employing the received signal power of the first unlicensed cell.

Abstract: A wireless device receives a grant for one or more subframes. The grant comprises a hybrid automatic repeat request process number (HARQ ID). The wireless device transmits a transport block in a subframe of the one or more subframes employing a first HARQ ID being calculated based on the HARQ ID and a position of the subframe in the one or more subframes.

Abstract: A wireless device receives at least one message comprising configuration parameters of a plurality of cells comprising one or more licensed cells and one or more licensed assisted access (LAA) cells. The wireless device transmitting, in a subframe on an LAA cell of the one or more LAA cells, at least one sounding reference signal (SRS) employing a sounding procedure for the one or more LAA cells. The sounding procedure is independent of transmissions of a physical uplink shared channel (PUSCH) in the one or more licensed cells.

Abstract: A wireless device receives a downlink control information (DCI) for transmission of one or more transport blocks on an unlicensed cell. The wireless device calculates a transmission power employed for transmission of a reservation signal and a plurality of PUSCH symbols. The wireless device transmits via a first plurality of resource blocks (RBs) and until a physical uplink shared channel (PUSCH) starting symbol, a reservation signal with the transmission power. The wireless device transmits, via the first plurality of RBs and starting at the PUSCH starting symbol, the one or more transport blocks with the transmission power.

Abstract: A wireless device receives a downlink control information (DCI) indicating uplink resources in a number of one or more consecutive uplink subframes of a licensed assisted access (LAA) cell. The DCI comprises the number of the one or more consecutive uplink subframes and an assignment of a plurality of resource blocks. The wireless device transmits one or more transport blocks in the one or more consecutive uplink subframes, via the plurality of resource blocks used across the one or more consecutive uplink subframes.

Abstract: A wireless device receives downlink control information comprising: an allocation of resource blocks for transmission of uplink data in a first subframe of licensed assisted access (LAA) cell; an index indicating a starting position for the uplink data in the first subframe; and a field indicating an ending symbol for the uplink data. The wireless device transmits the uplink data on the LAA cell, starting at the starting position in the first subframe and ending at the ending symbol.