Abstract:
An arrangement of a mesh network comprising a first station, a second station and one or more intermediate stations is disclosed. The first, second and one or more intermediate stations are configured to comprise a sleep mode wherein the first, second and one or more intermediate stations are idle, and an awake mode wherein the first, second and one or more intermediate stations are awake. The first, second and one or more intermediate stations are further configured to be in the awake mode during a duration of a discovery window - DW - and a mesh management window - MMW - and wherein first, second and one or more intermediate stations are configured to listen for a synchronization beacon during the DW and to transmit and/or listen for zero or more mesh path hybrid wireless mesh protocol - HWMP - frames during the MMW. A method of the arrangement, as well as a first station, an intermediate station, a second station, a method for a first station, a method for an intermediate station and a method for a second station is also disclosed.
Abstract:
A method for transmitting data by a transmission node in a wireless communication system is provided. The method includes transmitting, to a base station, a channel information request, transmitting, to the base station, a data packet based on a first channel information value received in response to the transmitted channel information request, and awaiting reception of a response packet indicating reception of the data packet from the base station, if the reception of the response packet fails during a predetermined time interval, detecting an energy level of a signal received in the predetermined time interval, and reconfiguring one of a transmitting method for the response packet and a transmitting method for a next data packet based on the detected energy level
Abstract:
In a wireless network formed of short range femtocells, each femtocell provides wireless connectivity to user equipment devices and the user equipment can move around the topographical range covered by the network by handing over to a neighbouring femtocell. Due to the limited range of a femtocell, there will be coverage gaps. If the device moves to a location not covered by a femtocell, it will try to connect to a macrocell of a different wide area cellular network until it is within range of another femtocell network. To minimise handovers from the femtocell network to the macrocell network, each femtocell is arranged to analyse historic log data to detect coverage gaps experienced by the user equipment as it moves along a user equipment route and try to close the gaps by increasing the coverage range of femtocells on either side of the coverage gap to close the gap.
Abstract:
Techniques are described for wireless communication. One method includes estimating a pathloss from each of a plurality of relay candidates to a first communication device to generate a first capacity estimate for the first communication device for each of the plurality of relay candidates; receiving at the first communication device, from a second communication device, a second capacity estimate for the second communication device for each of the plurality of relay candidates; and selecting a relay from the plurality of relay candidates for relaying communications between the first communication device and the second communication device based at least in part on each first capacity estimate for the first communication device and each second capacity estimate for the second communication device.
Abstract:
The invention relates to a method for relaying a data packet (43) containing at least positional data (16), said data packet being carried in a transmission signal (18) and received via a vehicular ad hoc network (1). The method comprises the following steps: filtering (47, 48) the received data packet (43) based on a predetermined filter condition (54); and relaying (42) the filtered data packet (50) to an additional receiver based on an identification (39) of whether the filtered data packet (50) should be relayed to the additional receiver.
Abstract:
Systems and methods for providing high power channel state notification, management, and optimization are provided. In some embodiments, data transmissions from mobile devices to remote servers are managed. For example, the operating system, lower level apparatus, or software bundle, sequentially align, or otherwise coordinate the messages to be transmitted during each high power channel state. In addition, the impact to the application and user experience can be utilized in managing the transmissions. In some cases, various embodiments provide the application with the knowledge (e.g., the optimal moment, transmission schedule, etc.) for the transmission of its data. In addition, some embodiments allow the application to piggy back a data transmission that might otherwise be delayed on already open high speed channel to increase the devices performance data transfer.
Abstract:
An apparatus and a method for configuring a network in a terminal of a wireless communication system are provided. The network configuring method includes sending a reference message in a communication radius of the terminal; when receiving at least one ACKnowledge (ACK) message for the reference message, checking a node degree of each adjacent terminal which sends the ACK message, the node degree indicating the number of neighboring terminals of each adjacent terminal; forming an inner region and an outer region of the terminal based on an adjacent terminal of the greatest node degree among the adjacent terminals; determining a transmit power in the inner region and a transmit power in the outer region; and determining a final transmit power for configuring a network using the transmit power of the inner region and the transmit power of the outer region.