Abstract: A system and methods to provide imaging service using outdoor lighting networks. The system uses outdoor lighting networks to manage/control video/image sensors connected to the network, e.g. hosted at lighting units, and coordinates the capture of useful video/image data associated with events. The system also provides an information search platform for users to retrieve only the relevant video/image data associated with events of interest. Furthermore, the system controls when and how to retrieve video/image data at lighting units across the whole network according to user requests, the priority of the events, and available bandwidth.

Abstract: A method (300) for improving quality of service of a wireless link between a source device and a destination device by forwarding frames on an alternate path between the source device and destination device. The method comprises selecting by the source device at least one forwarding device to be included on the alternate forwarding path; constructing a medium access control (MAC) forwarding frame (200) to include at least an address of the at least one forwarding device (S310); and transmitting the MAC forwarding frame to a forwarding device next to the source device (S320).

Abstract: A lighting system (100) including at least one controller (102) and a memory (104) containing program portions which configure the controller (102) to obtain weather forecast information including one or more of current and expected weather conditions over a period of time; determine one or more lighting settings based upon the weather forecast information; form lighting setting information in accordance with the determined lighting settings; and transmit the lighting setting information. The system (100) may include an illumination source (106) to provide illumination in accordance with the lighting setting information The system may change characteristics (e.g., illumination pattern, illumination intensity, illumination spectrum, illumination polarization,) of the illuminated source (106). The process may form lighting setting information to control one or more filters (130) in accordance with a desired lighting setting.

Abstract: A method for monitoring of a wireless link quality comprises measuring the link quality of a wireless link (120-XY) between a beacon device (110-X) transmitting a beacon and a beacon device (110-Y) receiving the beacon, wherein the measuring is performed by the receiving device (S320); saving link quality measures in a local neighborhood link quality (LNLQ) table (400) maintained by the receiving device (110-Y) (S330); and advertising the link quality measures of wireless links by transmitting the measures in beacons (S340).

Abstract: A method (200) for discovering paths between source nodes and destination nodes in mesh wireless media (WiMedia) based networks. Each of the discovered paths has sufficient medium time to enable efficient data transfers over the path. The method comprises, upon receiving a route request (RREQ), computing a number of available medium access slots (MAS) of a wireless link between a node receiving the RREQ and a node transmitting the RREQ (S210); computing a number of required MAS to deliver data over the wireless link in an upstream direction (S220); updating a local neighbor link (LNL) list when the number of required MASs is not above the number of available MASs (S240); computing an upper bound value and a lower bound value of a sufficient medium time coefficient (CSMT) (S250); and selecting the path based on at least the upper and lower bound CSMT values (S280).

Abstract: A method and system is provided for transmitting data frames from a first device to a second device in a wireless network. The method includes concatenating a plurality of data frames (303) into an aggregated frame (100) by the first device; transmitting the aggregated frame (100) from the first device to the second device; validating each of the plurality of data frames (303) individually by the second device; and retransmitting each of the data frames (303) that contains an error by the first device, without retransmitting the data frames that are valid.

Abstract: Light management system for an outdoor lighting network (OLN) having lighting units, the system including a central control apparatus (40); lighting unit control apparatus (50); and a communication system (60). The central control apparatus (40) is operable to receive a configuration request; receive optimization objectives/constraints; identify the lighting units operably connected to the plurality of lighting unit control apparatus (50) associated with the configuration request; determine whether at least one of lighting requirements, illuminance model, and cost model have changed; update the lighting requirements, the illuminance and the cost model when at least one of the lighting requirements, the illuminance model, and the cost model have changed; optimize operation of the identified lighting units as a function of the optimization objectives/constraints, the lighting requirements, the illuminance and the cost model; and send an operation instruction to the lighting control apparatus (50).

Abstract: A method and apparatus discover hidden wireless devices in a wireless network using a directional antenna system, preventing partitioning of the wireless network. A first wireless device located in a first antenna sector is joined in response to an initial first beacon. First beacons are received from the joined first wireless device during corresponding first beacon periods. At least a second antenna sector is scanned during at least one first beacon period to listen for second beacons from a second wireless device in the second antenna sector, while remaining joined with the first wireless device. The first beacons are not received while the second antenna sector is scanned. The second wireless device is joined in response to an initial second beacon. Second beacons are then received from the joined second wireless device during corresponding second beacon periods, and the first beacons are received during the corresponding first beacon periods.

Abstract: A method (400) for improving the spatial reuse of a wireless network, comprising selecting a medium access slot (MAS) type for scheduling concurrent transmissions in the wireless network (S410); assigning reservations to the selected MAS (S420); and applying the selected MAS to source nodes and sink nodes of the wireless network (S430).

Abstract: A medical system includes one or more medical body area network (MBAN) systems. Each MBAN system including one or more MBAN devices which acquire and communicate patient data via a hub device via a short-range wireless communication channel. The communication of the patient data via the short-range wireless communication channel within a predefined spectra. One of the spectra being a spectrum belonging to a third party primary user. The hub device receives patient data communicated from the one or more MBAN devices and communicates with a central monitoring station via a longer range communication. In response to the third party primary user requesting the third party primary user spectrum, the hub device reallocates to other spectra based on a priority of an acuity level of services communicated by each hub device.

Abstract: A medical system includes one or more MBAN devices that acquire and communicate patient data. The medical system further including one or more medical body area network (MBAN) systems, each MBAN system including the one or more MBAN devices that communicate the patient data with a hub device via short-range wireless communication, the communication of the patient data via the short-range wireless communication being within a predefined spectrum. The hub device receives patient data communicated from the one or more MBAN devices and communicates with a central monitoring station via a longer range communication. The one or more MBAN devices transmit an association request to the hub device on one or more auxiliary channels to associate each MBAN device with the MBAN system, the auxiliary channels being outside the predefined spectrum.

Abstract: A system for guiding a driver of a vehicle is disclosed. The system comprises a light sensor configured to detect light; and a processor configured to determine a position of vehicle on a roadway based on a characteristic of the detected light.

Abstract: A policy-based OLN (outdoor lighting network) light management system including a central control apparatus (40); lighting unit control apparatus (50); a communication system (60) operably connecting the central control apparatus (40) and the lighting unit control apparatus (50); and a repository (70) in communication with the central control apparatus (40), the repository (70) being operable to store an OLN policy. The central control apparatus (40) is operable to: receive a policy; check the policy for consistency against the OLN policy; determine attributes and configuration commands for each of the lighting unit control apparatus (50) in accordance with the policy when the policy is consistent with the OLN policy; and communicate the attributes and the configuration commands for each of the lighting unit control apparatus (50) to a corresponding one of the lighting unit control apparatus (50).

Abstract: A centralized frequency agility technique is employed in conjunction with a plurality of medical body area network (MBAN) systems (10, 35, 36), each of which comprises a plurality of network nodes (12, 14) intercommunicating via short range wireless communication. A central network (20, 22, 23, 24) communicates with the MBAN systems via longer range communication that is different from the short range wireless communication. A central frequency agility sub-system (40) is configured to communicate with the MBAN systems. The central frequency agility sub-system receives current channel quality information for a plurality of available channels for the short range wireless communication, and allocates the MBAN systems amongst the available channels based at least on the received current channel quality information.

Abstract: A method and system is provided for transmitting data frames from a first device to a second device in a wireless network. The method includes concatenating a plurality of data frames (303) into an aggregated frame (100) by the first device; transmitting the aggregated frame (100) from the first device to the second device; validating each of the plurality of data frames (303) individually by the second device; and retransmitting each of the data frames (303) that contains an error by the first device, without retransmitting the data frames that are valid.

Abstract: A method (300) for performing link adaptation of wireless links in a wireless network. The method comprises generating a first enhanced link adaptation (ELA) information element (100) by the transmitter (S310); sending the first ELA information element to at least one receiver (S320); upon reception of a second ELA information element at the transmitter, determining optimal transmission parameters for the transmitter, wherein the second ELA information element is generated and sent by the at least one receiver in response to the first ELA information element (S370).

Abstract: A method (200) for discovering paths between source nodes and destination nodes in mesh wireless media (WiMedia) based networks. Each of the discovered paths has sufficient medium time to enable efficient data transfers over the path. The method comprises, upon receiving a route request (RREQ), computing a number of available medium access slots (MAS) of a wireless link between a node receiving the RREQ and a node transmitting the RREQ (S210); computing a number of required MAS to deliver data over the wireless link in an upstream direction (S220); updating a local neighbor link (LNL) list when the number of required MASs is not above the number of available MASs (S240); computing an upper bound value and a lower bound value of a sufficient medium time coefficient (CSMT) (S250); and selecting the path based on at least the upper and lower bound CSMT values (S280).

Abstract: A method (200) for enabling compatibility of wireless devices having different regulation settings. The method comprises upon initialization of a wireless device, scanning a predefined common channel (S220); forming a WiNet service set (WSS) by wireless devices communicating over the predefined common channel (S230); upon switching of the wireless devices in the WSS to a channel other than the predefined common channel, checking if a new wireless device attempts to join the WSS (S240, S250); and adding the new wireless device to the WSS if such attempt was detected (S290).

Abstract: A method (400) for creating a group shared distributed reservation in a wireless network. The method comprises collecting information about the distributed reservation availabilities of devices in the wireless network (S410); selecting a group of shared devices to be included in the group shared distributed reservation based on the collected information (S420); sending a reservation request to each device in the group of shared devices (S430); and updating the group of shared devices to include only devices that accept the reservation request (S460), thereby creating a group shared distributed reservation of medium access time slots.

Abstract: A method (300) for discovering a route between a source node and a destination node in mesh wireless media (WiMedia) based networks. The method comprises upon receiving a route request (RREQ) by an intermediate node between the source node and the destination node, saving, in the RREQ, at least the identification (ID) number of the intermediate node and a transmission channel rate of a link on which the RREQ is received on (S320); computing a new route price (S330); determining if the new route price is larger than a price included in the received RREQ (S340); updating the received RREQ to include the new route price when the new route price is larger than the route price in the received RREQ (S350); and forwarding the updated RREQ to one or more neighbors of the intermediate node (S370).