摘要:
According to one general aspect, a method may include communicating, by a first apparatus, with at least a second apparatus via a device-to-device communication link. In various embodiments, the method may also include receiving resource allocations, from a base station. In some embodiments, the method may include determining, based at least partly on the received resource allocations, which resources are allocated to at least the second apparatus for communication with the base station. In various embodiments, the method may include based at least partly upon the resource allocations, determining when to perform direct device-to-device communication, by the first apparatus, with the second apparatus.
摘要:
There is a method and apparatus for transmitting a beacon for D2D communications in a first radio resource selected from among a first set of radio resources of a beacon frame; and for transmitting a broadcast message in a second radio resource selected from among a second set of radio resources of the same beacon frame. In various particular embodiments: the beacon has an indication that the broadcast message is to be transmitted in the beacon frame; the beacon has an indication specifying the second radio resource; there is transmitted a broadcast message header in the second radio resource during an initial subframe of the beacon frame and the broadcast message header has an indication of how many subframes are allocated for the broadcast message; and the broadcast message header has a retransmission control field that selectively indicates which broadcast partners are to re-transmit the broadcast message.
摘要:
Method, apparatus, and computer program product embodiments are disclosed for quiet period management in wireless networks to enhance coexistence of wireless networks with other wireless networks. An example embodiment comprises: receiving control information in a wireless message in a communications channel from another device in a wireless network; receiving a packet having a duration in the communications channel in the wireless network; delaying transmission of a packet in the communications channel for an interval determined by the received control information; monitoring an ambient electromagnetic spectrum during the interval; and competing for transmission resources in the communications channel, using a carrier sense multiple access with collision avoidance access method, after the interval.
摘要:
A method includes receiving indications of a wake-up interval assigned to a station and a corresponding group to which the station belongs, wherein all stations assigned to the group are assigned the wake-up interval. The method includes waking the station during the wake-up interval and determining, using at least the indication of the group, whether information received by the station during the wake-up interval corresponds to the group. Another method includes assigning stations to one of multiple groups based on wake-up intervals, in which stations assigned to a group all have a same wake-up interval and each group has a different wake-up interval, sending indications of a corresponding wake-up interval and a corresponding group to each of the stations, and during a interval corresponding to the wake-up interval for a selected group, transmitting the indication of the selected group and associated information meant for the group.
摘要:
Method, apparatus, and computer program product embodiments are disclosed for quiet period management in wireless networks to enhance coexistence of wireless networks with other wireless networks. An example embodiment comprises: receiving control information in a wireless message in a communications channel from another device in a wireless network; receiving a packet having a duration in the communications channel in the wireless network; delaying transmission of a packet in the communications channel for an interval determined by the received control information; monitoring an ambient electromagnetic spectrum during the interval; and competing for transmission resources in the communications channel, using a carrier sense multiple access with collision avoidance access method, after the interval.
摘要:
In accordance with an example embodiment of the present invention, a method comprises determining at a base station an activity level, and selecting an availability mode based at least in part on the activity level, wherein the availability mode is one of a full-availability mode, a semi-availability mode and a minimum-availability mode. The method also comprises configuring radio resources for at least the minimum-availability mode and switching to the selected availability mode.
摘要:
Various example embodiments are disclosed relating to feedback and link adaptation techniques for wireless networks. According to an example embodiment, an apparatus may include a processor or controller. The controller may be configured to determine a channel quality indication (CQI) value for each of a plurality of wireless sub-channels, discard any of the CQI values older than a threshold time, leaving a set of current CQI values, determine a percentile CQI value based on the set of current CQI values, and transmit the percentile CQI value to an infrastructure node. The infrastructure node, may, for example, determine or select one or more data transmission parameters, such as a modulation scheme and/or coding rate, based at least in part on the received percentile CQI value.
摘要:
A method for providing an information organization mechanism may include receiving indications of event occurrences related to applications associated with a device and combining, within the device, selected ones of the indications in an event log. The event log may include indications related to at least one external event and at least one internal event. The method may further include providing notification of the selected indications via display of at least a portion of the event log. An apparatus and computer program product corresponding to the method are also provided.
摘要:
In accordance with an example embodiment of the present invention, a method is disclosed that comprises measuring a first link quality of a first link based at least in part on a first power value; measuring a second link quality of a second link based at least in part on a second power value; and determining a suitable device-to-device (D2D) mode for a D2D connection based at least in part on the first link quality, the second link quality, and one or more D2D user equipment (UE) constraints.
摘要:
Various example embodiments are disclosed relating to feedback and link adaptation techniques for wireless networks. According to an example embodiment, an apparatus may include a processor or controller. The controller may be configured to determine a channel quality indication (CQI) value for each of a plurality of wireless sub-channels, discard any of the CQI values older than a threshold time, leaving a set of current CQI values, determine a percentile CQI value based on the set of current CQI values, and transmit the percentile CQI value to an infrastructure node. The infrastructure node, may, for example, determine or select one or more data transmission parameters, such as a modulation scheme and/or coding rate, based at least in part on the received percentile CQI value.