A SYSTEM AND METHOD FOR HIBERNATION MODE FOR BEACONING DEVICES
    2.
    发明公开
    A SYSTEM AND METHOD FOR HIBERNATION MODE FOR BEACONING DEVICES 有权
    系统和方法休眠树皮设施

    公开(公告)号:EP1714443A1

    公开(公告)日:2006-10-25

    申请号:EP05702902.7

    申请日:2005-02-04

    IPC分类号: H04L12/56

    摘要: A system (400), device (500) (401), and method are provided for power saving in a wireless communication network (400), where all devices (401i) regularly transmit a beacon (600) but can enter a hibernation mode in which they do not transmit beacons (600) and operate in a power-saving state. A device (400) announces the start (303) and duration (304) of the hibernation period in its beacon (600) prior to its hibernation period. The neighboring devices (401i) keep information on the presence of the beacon (600) of the hibernating device (401) in their own beacons (600) in order to block the beacon slot (204) for the hibernating device (401) during its sleep time. Devices (401i) furthermore include an information element (604) in their beacons (600) that contains all receiver addresses for which a device (401i) has data pending to be sent.

    A SYSTEM AND METHOD FOR A DYNAMIC BEACON PERIOD IN A MAC DISTRIBUTED RESERVATION PROTOCOL
    3.
    发明公开
    A SYSTEM AND METHOD FOR A DYNAMIC BEACON PERIOD IN A MAC DISTRIBUTED RESERVATION PROTOCOL 有权
    动态信标周期在分布式MAC预留协议

    公开(公告)号:EP1714430A1

    公开(公告)日:2006-10-25

    申请号:EP05702904.3

    申请日:2005-02-04

    发明人: HABETHA, Joerg

    IPC分类号: H04L12/28

    摘要: A system (400), device (401), and method are provided for decentralized medium access control comprising periodic beacon (600) transmissions of all active devices in beacon slots (204) (302) (303), grouping such beacon slots (204) (302) (303) in at least one contiguous dynamic beacon period (301), and expanding or shrinking this at least one contiguous dynamic beacon period (301) depending on the number of occupied beacon slots (204) (302) (303). The dynamic beacon period (301) adapts to devices (401) joining and leaving the network (400) as well as to collisions of beacon frames(600) on the medium (410).

    AD HOC NETWORKS COMPRISING A PLURALITY OF TERMINALS AS CONTROLLERS OF SUB-NETWORKS
    4.
    发明公开
    AD HOC NETWORKS COMPRISING A PLURALITY OF TERMINALS AS CONTROLLERS OF SUB-NETWORKS 审中-公开
    具有多个端子用作PART CONTROL UNITS NETWORKS自组织网络

    公开(公告)号:EP1249106A2

    公开(公告)日:2002-10-16

    申请号:EP01978459.4

    申请日:2001-10-24

    发明人: HABETHA, Joerg

    IPC分类号: H04L12/56 H04L12/28

    摘要: The invention relates to an ad hoc network comprising a plurality of terminals for determining terminals as controllers for controlling at least two sub-networks. An identification is assigned to each terminal. A terminal transmits its identification to the other terminals which are located in a predefined area. The terminal having the largest identification is provided to be the controller of a first sub-network. A certain number of further terminals having the lowest identifications are assigned to the first sub-network. The non-integrated terminal having the highest-but-one identification is provided to be the controller of a second sub-network. A certain number of further non-integrated terminals having the lowest identifications are assigned to the second sub-network.

    DISTRIBUTED BEACONING PERIODS FOR AD-HOC NETWORKS
    6.
    发明公开
    DISTRIBUTED BEACONING PERIODS FOR AD-HOC NETWORKS 有权
    分布式BEACON时段FOR ad-hoc网络

    公开(公告)号:EP1730891A1

    公开(公告)日:2006-12-13

    申请号:EP05709054.0

    申请日:2005-03-21

    IPC分类号: H04L12/28 H04L12/56

    摘要: In a distributed Mac protocol having a slotted superframe (102) comprising at least one slotted beacon period (104) followed by a data transfer period (103), a system and method is provided for creating and maintaining several beacon periods (104) at different positions in the superframe (102). When joining the network (300) a device (301) either joins an existing beacon period (104) or creates a new beacon period (104) at a position in the superframe (102) that does not overlap with existing beacon periods (104) or reservation periods. Beacon periods (104) mutually protect each other by devices (301) announcing the neighboring beacon periods in their beacons.

    SYSTEM AND METHOD TO ENABLE WUSB APPLICATIONS IN A DISTRIBUTED UWB MAC
    7.
    发明公开
    SYSTEM AND METHOD TO ENABLE WUSB APPLICATIONS IN A DISTRIBUTED UWB MAC 有权
    在分布式UWB MAC中启用WUSB应用的系统和方法

    公开(公告)号:EP1728363A1

    公开(公告)日:2006-12-06

    申请号:EP05708950.0

    申请日:2005-03-04

    IPC分类号: H04L12/56

    摘要: A system and method is provided for incorporating host-device communication in wireless IJSB (WUSB). A host (101) either uses a multicast Distributed Reservation Protocol (DRP) frame on behalf of connected devices (102) to reserve wireless channel resources, a unicast DRP frame or Enhanced Distributed Channel Access (EDCA) with a Poll Frame. In the case of a unicast DRP frame the number of unicast frames sent for reservation depends on the number of connected devices (102).

    摘要翻译: 提供了用于将主机设备通信合并到无线IJSB(WUSB)中的系统和方法。 主机(101)代表所连接的设备(102)使用多播分布式预订协议(DRP)帧来预留无线信道资源,具有轮询帧的单播DRP帧或增强型分布式信道接入(EDCA)。 在单播DRP帧的情况下,为了保留而发送的单播帧的数量取决于所连接的设备的数量(102)。