Patent application number | Description | Published |
20100040033 | REVERSE DIRECTION GRANT (RDG) FOR WIRELESS NETWORK TECHNOLOGIES SUBJECT TO COEXISTENCE INTERFERENCE - In accordance with at least some embodiments, a system includes an access point and a station in communication with the access point. The station has at least two network technology subsystems subject to coexistence interference. The station selectively uses reverse direction grant (RDG) for communications by network technology subsystems subject to coexistence interference. | 02-18-2010 |
20100067423 | POWER-SAVE (PS)-POLL SUBSTITUTION - In accordance with at least some embodiments, a system comprises an access point and a station in communication with the access point. The station has at least two network technology subsystems subject to coexistence interference. The station selectively implements Power Save (PS)-Poll substitution (PSPS) logic to handle communications between the station and the access point. | 03-18-2010 |
20100067424 | BOUNDED POWER-SAVE-POLLING (BPS) - In accordance with at least some embodiments, a system comprises an access point and a station in communication with the access point. The station has at least two network technology subsystems subject to coexistence interference. The station selectively implements bounded Power Save (PS)-Polling (BPS) logic to handle communications between the station and the access point. The BPS logic operates to confine PS-Poll transmissions starts to one of two separate windows during a medium grant duration of the station. | 03-18-2010 |
20100067516 | SYNCHRONIZED CHANNEL ACCESS IN COEXISTING WIRELESS NETWORKS - A system and method for arbitrating channel access in a wireless device including co-located network transceivers are disclosed herein. A wireless device includes a first wireless transceiver and a second wireless transceiver. The first transceiver is configured for operation with a first wireless network. The second transceiver is configured for operation with a second wireless network. The wireless device further includes logic that determines which of the first and second transceivers is enabled to transmit at a given time. The logic causes the first transceiver to transmit a notification signal indicating a time period during which the second transceiver of the wireless device will perform a first wireless transaction, and during which, based on receiving the notification signal, a different wireless device performs a second wireless transaction via the second wireless network without transmitting a notification signal. | 03-18-2010 |
20100069112 | SCHEDULING TRANSMISSIONS IN COEXISTING WIRELESS NETWORKS - A system and method for scheduling channel access in a wireless device including co-located network transceivers are disclosed herein. A wireless device includes a first wireless transceiver, a second wireless transceiver, and an arbiter. The first wireless transceiver is configured for communication via a first wireless network. The second wireless transceiver is configured for communication via a second wireless network. The arbiter controls which one of the first and second transceivers is enabled to transmit at a given time. The arbiter computes a predicted a start time for a transmission via the second wireless transceiver and computes a transmission duration for a first packet pending transmission via the first transceiver. Based on the predicted start time and the computed duration, the arbiter transmits the first packet at a time when the first packet transmission does not overlap the transmission via the second wireless transceiver. | 03-18-2010 |
20100085946 | ADAPTIVE TRANSMISSIONS IN WIRELESS NETWORKS - A network includes an access point and a station. The station transmits to the access point a current clear-to-send packet at a current time during a current exchange. The transmission is based on success or failure of a previous exchange during which a previous clear-to-send packet was transmitted at a previous time. | 04-08-2010 |
20100093392 | PROTECTING UPLINK TRANSMISSIONS IN COEXISTING WIRELESS NETWORKS - A system and method for protecting a wireless device including co-located network transceivers from uplink starvation are disclosed herein. A wireless device includes a first wireless transceiver and a second wireless transceiver respectively configured for communication via a first wireless network and a second wireless network. The wireless device further includes logic that determines which of the first and second transceivers is enabled to transmit at a given time. The logic determines a duration of a pending transmission via the first transceiver, and determines a predicted start time of a predicted transmission via the second transceiver. Based on the duration and the predicted start time, the logic transmits a notification signal indicating that a receiving device should refrain from transmitting on the first network for a reserved time ending after the pending transmission starts. The pending transmission starts following completion of the predicted transmission. | 04-15-2010 |
20100238807 | REDUCING CHANNEL OVERHEAD IN A WIRELESS COEXISTENCE NETWORK - A system composed of a device configured to communicate, using a first wireless protocol, with a node. The system also comprises a processor coupled to the device and configured to determine whether the node operates in a coexistence mode. If the processor determines that the node operates in a coexistence mode then, as a result, the processor determines when the node operates in the first wireless protocol and communicates, by way of the device and without solicitation from the node, with the node when the node operates in the first wireless protocol. | 09-23-2010 |
20100246464 | POWER CONSERVATION THROUGH BI-DIRECTIONAL ASSOCIATION OF MULTIPLE DEVICES - A system comprises radio circuitry, an access point (AP) feature, and a station (STA) feature. The AP feature causes the radio circuitry to transmit data to a hardware device during a beacon interval. The AP feature is not used to receive data from the hardware device during the beacon interval except to receive data request signals. The STA feature causes the radio circuitry to receive data from the hardware device during the beacon interval. The STA feature is not used to transmit data to the hardware device during the beacon interval except to transmit data request signals. The radio circuitry is in a de-powered state during the beacon interval when the radio circuitry does not transmit or receive data or data request signals. | 09-30-2010 |
20100268841 | USING HIGHER LAYER INFORMATION TO FACILITATE COEXISTENCE IN WIRELESS NETWORKS - A system composed of a node configured to transmit a first data stream to a first device using a first protocol and a second data stream to a second device using a second protocol. The system is also composed of a controller in communication with the node. The controller is configured to prioritize a first packet of the first data stream prior to transmission of the first packet. The prioritization is based on application layer information of the first packet. If the application layer information of the first packet indicates that the priority of the first packet is lower than the priority of a second packet of the second data stream, the controller causes the node to transmit the second packet. | 10-21-2010 |
20100278065 | Traffic Load Estimation for Access Point Functionality Enabled Mobile Devices - Embodiments of the invention comprise a system and method for estimating a traffic load on a wireless network. An access point notifies a station that the access point will not receive transmissions during a first quiet period. After the first quiet period, the access point monitors the wireless network during a first monitoring period. If no transmissions are received during the first monitoring period, the access point notifies the station that it will not receive transmissions during a second quiet period. The second quiet period has an equal or longer duration than the first quiet period. The access point alternates between monitoring periods and quiet periods and progressively expands the duration of the quiet periods as long as no transmissions are received during the monitoring periods. If a station notifies the access point that packets are pending at the device, the monitoring period is extended to handle these packets immediately. | 11-04-2010 |
20100325459 | PEER-TO-PEER GROUP OWNER ENHANCED POWER MANAGEMENT - A device includes a peer-to-peer group owner processor. The device also includes a memory coupled to the peer-to-peer group owner processor. At least one client associated with the device is a legacy client, and the peer-to-peer group owner processor enters a listening state after a dozing state. The device consumes less power in the listening state than in an awake state. | 12-23-2010 |
20100329202 | CHANNEL UTILIZATION IMPROVEMENT IN COEXISTING WIRELESS NETWORKS - A wireless device comprises a first wireless transceiver configured for communication via a first wireless network, a second wireless transceiver configured for communication via a second wireless network; and a scheduler that controls which of the first and second transceivers is granted access to a wireless medium at a given time. When the first wireless transceiver has been granted access to the wireless medium by the scheduler and the first wireless transceiver receives a packet via the first wireless network, the scheduler temporarily grants the second wireless transceiver access to the wireless medium based on the packet indicating that first wireless transceiver is not to use the wireless medium for a period of time. | 12-30-2010 |
20110086660 | CONTROL OF COEXISTING WIRELESS NETWORKS BASED ON PREDICTED TRANSMISSION ARRIVAL TIME - A system and method for optimizing medium utilization with coexisting wireless networks is described herein. In one embodiment, a wireless device includes a first wireless transceiver, a second wireless transceiver, and logic configured to determine which of the first and second wireless transceivers is enabled at a given time. The first wireless transceiver is configured for operation with a first wireless network. The second wireless transceiver is configured for operation with a second wireless network coexisting with the first wireless network. The logic is further configured to predict an arrival time of a transmission from a different device and to enable the second wireless transceiver based on the predicted arrival time. | 04-14-2011 |
20110103355 | PACKET GROUPING FOR A CO-EXISTING WIRELESS NETWORK ENVIRONMENT - In at least some embodiments, a communication device includes a host processor and a plurality of co-existing wireless technology transceivers coupled to the host processor. The plurality of co-existing wireless technology transceivers share a communication medium using time-multiplexing. A throughput for data transmissions by the plurality of co-existing wireless technology transceivers is based on an algorithm that determines a grouping option for data packets to be transmitted by one of the co-existing wireless technology transceivers, the grouping option providing a highest throughput for a predetermined baseband PHY rate without exceeding a predetermined maximum grouping delay. | 05-05-2011 |
20110158115 | Power Efficiency and Packet Delivery Ratio Through Micro Rate Control at Access Point Functionality Enabled Devices - Embodiments of the invention provide a method to allow a software access point (SAP)-enabled device to go to sleep as much as possible without sacrificing throughput and latency across networks. The SAP-enabled device defers transmissions from client stations if maximum end-to-end throughput that can be supported by the networks is below the maximum throughput supported by a connection to the client station. | 06-30-2011 |
20110222409 | SYSTEM AND METHOD FOR USE OF RESERVED MEDIUM IN COEXISTING WIRELESS NETWORKS - A system and method for using reserved resources in coexisting wireless networks. In one embodiment, a wireless apparatus includes a receiver, a network activity monitor, and a network access scheduler. The receiver is configured to identify a received network reservation message that inhibits access to a first wireless network for an interval defined in the reservation message. The network activity monitor is configured to monitor wireless activity on the first wireless network during the interval. The network access scheduler is configured to determine whether the reservation message prevents conflict of the first wireless network with a coexisting wireless network during the interval, and to schedule, based on a determination that the reservation message prevents conflict with the coexisting wireless network, the wireless apparatus to transmit on the first wireless network during the interval to a wireless device other than a wireless device identified in the reservation message. | 09-15-2011 |
20110225305 | SYSTEM AND METHOD FOR DETERMINING GROUP OWNER INTENT - A system comprising a first wireless device which comprises a first group owner intent determination unit. The first group owner intent determination unit is configured to determine a group owner intent value of the first wireless device based on: whether the first wireless device is configured to access a coexisting wireless network, the power remaining in the first wireless device at the time the group owner intent value determination is made, whether the first wireless device is a group owner in another peer to peer group, a received signal strength indication of the first wireless device, and/or whether the first wireless device is required to perform a cross-connection between an infrastructure basic service set and a peer to peer group. | 09-15-2011 |
20110235600 | METHOD AND SYSTEM FOR USING RESOURCES ALLOCATED TO A WIRELESS NETWORK IN A COEXISTING WIRELESS NETWORK - A wireless device includes a first wireless transceiver and a second wireless transceiver. The first wireless transceiver is configured to communicate via a first wireless network, and includes a first scheduler configured to schedule communication via the first wireless network. The second wireless transceiver is configured to communicate via a second wireless network. The second wireless transceiver includes a second scheduler. The second scheduler is configured to identify a resource allocated to the second wireless transceiver for a transaction via the second wireless network, to identify a portion of the resource used by the second wireless transceiver for the transaction, and to transfer information defining the portion to the first transceiver. The first scheduler is also configured to schedule, based on the information transferred by the second scheduler, the first transceiver to communicate via the first wireless network using the resource allocated to the second wireless transceiver for the transaction. | 09-29-2011 |
20110310826 | INTENTIONAL IDLE GAPS IN COEXISTING WIRELESS NETWORKS - A wireless combination device includes a first wireless transceiver configured for communication via a first wireless network over a first band, and a second wireless transceiver configured for communication via a second wireless network over a second band that overlaps the second band. The combination device includes a medium allocation scheduler coupled to the first wireless transceiver and second wireless transceiver for implementing spaced-mode operation that intentionally inserts idle gaps in transmissions via the second wireless network when triggered by the presence of at least one spaced-mode triggering condition. The idle gaps allow wireless transmissions via the first wireless network to be received by the combination device with higher probability, and without the need for clear to send (C2S) protection. | 12-22-2011 |
20110310869 | ENHANCING PACKET AGGREGATION PERFORMANCE IN COEXISTING WIRELESS NETWORKS - A method of communications for a coexisting wireless network including a wireless combination (combo) device communicating via a first wireless network and second wireless network, and a first wireless device on the first network. During an activity interval for the second network (i) a transmit (Tx) time interval is longer in duration than a Tx packet duration and/or (ii) a receive (Rx) time interval is longer in duration than a Rx packet duration to provide remaining time. A frame aggregated packet is used on the first network that includes a plurality of data packets and a dummy packet or spoofing so that the frame aggregated packet is extended in time or indicates an extension sufficient to overlap the Tx time interval or Rx time interval. The combo device transmits or receives an acknowledgement (ACK) on the first network during the activity interval for the second wireless network. | 12-22-2011 |
20120020266 | POWER STATE AND MEDIUM ACCESS COORDINATION IN COEXISTING WIRELESS NETWORKS - Apparatus and method for improving throughput in a wireless device accessing coexisting networks. In one embodiment, a wireless device includes first and second wireless transceivers, a power state controller, and an access controller. The first wireless transceiver is configured to access a first wireless network. The second wireless transceiver is configured to access a second wireless network. The power state controller is configured to switch the first wireless transceiver between an active state and a sleep state. The power consumed by the first wireless transceiver while in the sleep state is reduced relative to the active state. The access controller is configured to alternately allocate a wireless medium to the first wireless transceiver and the second wireless transceiver. The power state controller and the medium access controller are configured to coordinate power state switching of the first wireless transceiver and wireless medium access by the second wireless transceiver. | 01-26-2012 |
20120039329 | SYSTEM AND METHOD FOR USING PARTIALLY RECEIVED PACKETS IN COEXISTING NETWORKS - A system and method for using partially received packets in coexisting networks. In one embodiment, a wireless receiver includes an interference detector and a packet validator. The interference detector is configured to determine that time multiplexing of a coexisting wireless network interferes with reception of a packet by the wireless receiver. The packet validator is configured to identify a type of the packet and useable data values of the packet when a partial packet is received due to the time multiplexing. The packet validator is configured to identify the type and useable data values of the packet based on a packet signature stored in the wireless receiver. | 02-16-2012 |
20120106381 | SYSTEM AND METHOD FOR SOFT ACCESS POINT POWER REDUCTION - A system and method for reducing power consumption of a wireless device operating as a soft access point. In one embodiment, a wireless device includes a soft access point controller that configures the wireless device to operate as a group owner in a peer-to-peer wireless local area network. The soft access point controller includes a beacon controller. The beacon controller is configured to transmit beacon frames at a first periodic interval. The beacon controller is also configured to extend a discovery interval of a wireless station by transmitting acknowledgement packets at a second periodic interval. The second periodic interval is shorter than the first periodic interval and shorter than a minimum discovery scan timeout of the wireless station. | 05-03-2012 |
20120106528 | UNIFIED PROTOCOL STACK FOR COLOCATED WIRELESS TRANSCEIVERS - A system and method for accessing a wireless network via unified protocol stack. In one embodiment a wireless networking system includes a wireless device. The wireless device includes a first wireless transceiver, a second wireless transceiver, a processor, and a unified protocol stack. The first wireless transceiver is configured for communication via a first wireless network. The second wireless transceiver is configured for communication via a second wireless network. The unified protocol stack includes first protocols defined for accessing the first wireless network and second protocols defined for accessing the second wireless network. The unified protocol stack includes instructions that cause the processor to access the first wireless network via the first wireless transceiver using one of the second protocols. | 05-03-2012 |
20120127903 | POWER EFFICIENT TUNNELED DIRECT LINK SETUP APPARATUS, SYSTEMS AND METHODS - Apparatus, systems, and methods disclosed herein operate to provide wireless communication between personal mobile communication (PMC) devices. An emulated wireless access point (AP) at a first PMC device (PMC | 05-24-2012 |
20120129456 | Systems and Methods for Silencing Wireless Devices - Embodiments provide systems and methods to optimize the time when to receive transmissions from dissimilar wireless networks, and hence, improve the overall network throughput and avoid access point transmission rate fall-back mechanism having an avalanche effect during coexistence of dissimilar wireless network technologies. A receiver comprises at least two dissimilar network technology subsystems and is able to receive transmissions from dissimilar wireless network technology subsystems during a predetermined reception window. | 05-24-2012 |
20120163312 | Reducing the Number of Silencing Frames Transmitted in a Coexistence Network - Systems and methods for reducing the number of silencing frames transmitted in a coexistence network are described. In some embodiments, a method may include abstaining from transmitting silencing frames until detection of a predetermined event. Predetermined events include, for example, detection of a retransmitted packet, detection of a transmission or packet rate drop, and/or detection that an expected packet has been missed. In some cases, two or more predetermined events may be logically combined in any suitable manner or order, and may occur in series or in parallel with respect to each other. Once the predetermined event(s) have been detected, a silencing frame may then be transmitted. In some cases, subsequent silencing frames may be transmitted to facilitate return to a maximum attainable transmission rate. An investigation or observation period during which silencing frames are transmitted despite the absence of a predetermined event may enable the collection of network statistics. | 06-28-2012 |
20120182979 | PERFORMANCE IN A DUAL BSS ENVIRONMENT - An integrated circuit includes logic configured to adjust an original service time of a first Wi-Fi Basic Service Set connection (“BSS”), out of a plurality of BSSs configured to be associated with a communication device, to an adjusted service time based on an unsuccessful acknowledgement transmission or reception in a previous service time on the first BSS. At least one of the plurality of BSSs is supportive of a peer-to-peer connection. | 07-19-2012 |
20120184330 | SELECTIVE PROTECTION BASED ON SEQUENCE NUMBERS IN COEXISTING NETWORKS - A wireless device comprises a first wireless transceiver, a second wireless transceiver, and control logic. The control logic is coupled to the first wireless transceiver and the second wireless transceiver. The control logic is configured to determine whether to transmit protection frames (e.g., clear-to-send 2 self frames) based upon sequence numbers in frames received from another device. | 07-19-2012 |
20120281533 | SYSTEMS AND METHODS FOR TIME OPTIMIZATION FOR SILENCING WIRELESS DEVICES IN COEXISTENCE NETWORKS - In at least some embodiments, a communication device includes a transceiver with at least two dissimilar wireless network technology subsystems. The communication device also includes a silencing frame controller to monitor access point rate drop behavior and to adjust a level of silencing frame operations for the communication device based on the monitored access point drop behavior. | 11-08-2012 |
20120314661 | Adaptive Transmissions in Wireless Networks - A network includes an access point using a first protocol and a station using both the first protocol and a second protocol. The station uses the first protocol before a first threshold and a second protocol after the first threshold. A first duration between the second threshold and the first threshold is at least of sufficient length for the station to receive one data packet from the access point and send an acknowledgment. The station transmits to the access point a current clear-to-send packet at a current time during a current exchange based on success or failure of a previous exchange during which a previous clear-to-send packet was transmitted to the access point at a previous time. | 12-13-2012 |
20120327920 | METHODS TO ENHANCE COEXISTENCE WITH LOW ENERGY WIRELESS NETWORKS - Disclosed implementations address the coexistence problem of wireless local area network (WLAN) and Bluetooth Low Energy (BLE) technologies on the same device. For example, an apparatus includes a WLAN controller configured to cause a wireless transceiver module to send and receive packets over a wireless medium. A second controller is coupled to the WLAN controller and also configured to cause the wireless transceiver module to send and receive packet. The second controller informs the WLAN controller that the second controller is going to cause an advertising packet to be transmitted by the wireless transceiver module. The WLAN controller responds by causing a first protection packet to be transmitted by the wireless transceiver module, said first protection packet causes all wireless devices receiving the protection packet to inhibit use of the wireless medium during a timer period which includes the advertising packet. Other embodiments are disclosed as well. | 12-27-2012 |
20130028156 | ACCESS CATEGORY-BASED POWER-SAVE FOR WI-FI DIRECT GROUP OWNER - A wireless device includes a peer-to-peer group owner processor that handles peer-to-peer transactions, a memory coupled to the peer-to-peer group owner processor, and a power state controller. The power state controller determines an access category of a communication received from a peer-to-peer client and determines a quality of service constraint for the access category. The power state controller also determines a power-save mechanism for the wireless device based on the quality of service constraint and implements the determined power-save mechanism. | 01-31-2013 |
20130182686 | OPTIMIZATION OF DUAL BSS SCHEDULING - An integrated circuit includes logic configured to determine a communication schedule of a device configured to perform Wi-Fi communications in a first Basic Service Set (BSS) network and in a second BSS network. The logic determines the communication schedule based at least in part on a first BSS network communication load of the device and on a second BSS network communication load of the device. The communication schedule defines the service time allocation of the device in the first BSS network and the service time allocation of the device in the second BSS network. At least one of the first and the second BSS networks is supportive of a peer-to-peer connection. | 07-18-2013 |
20130188670 | DYNAMIC IMPROVEMENT OF LINK SYMMETRY IN CO-LOCATED PLC AND RF NETWORKS - An electronic communication device comprises a first transceiver capable of a bi-directional communication session on a first communication medium; a second transceiver capable of a bi-directional communication session on a second communication medium; and a control logic coupled to the first transceiver and the second transceiver, wherein the control logic is configured to receive, from the first transceiver, a first signal, and cause, in response to the first signal, data transmitted by the first transceiver on the first communication medium as part of a communication session to be transmitted instead by the second transceiver on the second communication medium while the first transceiver continues to receive data as part of the communication session. | 07-25-2013 |
20130188673 | DYNAMIC MEDIUM SWITCH IN CO-LOCATED PLC AND RF NETWORKS - An electronic communication device comprises a first transceiver capable of a bi-directional communication session on a first communication medium; a second transceiver capable of a bi-directional communication session on a second communication medium; and a control logic coupled to the first transceiver and the second transceiver and capable of implementing a convergence layer, wherein the control logic is configured to receive, from the first transceiver, a first signal; and cause, in response to the first signal, data received and transmitted by the first transceiver on the first communication medium as part of a communication session to be received and transmitted instead by the second transceiver on the second communication medium. | 07-25-2013 |
20130250928 | SCHEDULING IN A MULTI-HOP WIRELESS NETWORK - Various techniques are disclosed for assigning timeslots in a multihop wireless network. One such method includes, for each node for uplink timeslot assignments, assigning a higher hop count node to a timeslot that is to occur before all time slots assigned to lower hop count nodes. The method further includes, for each node for downlink timeslot assignments, assigning a lower hop count node to a timeslot that is to occur before all time slots assigned to higher hop count nodes. | 09-26-2013 |
20140016625 | SYNCHRONIZED CHANNEL ACCESS IN COEXISTING WIRELESS NETWORKS - A system and method for arbitrating channel access in a wireless device including co-located network transceivers are disclosed herein. A wireless device includes a first wireless transceiver and a second wireless transceiver. The first transceiver is configured for operation with a first wireless network. The second transceiver is configured for operation with a second wireless network. The wireless device further includes logic that determines which of the first and second transceivers is enabled to transmit at a given time. The logic causes the first transceiver to transmit a notification signal indicating a time period during which the second transceiver of the wireless device will perform a first wireless transaction, and during which, based on receiving the notification signal, a different wireless device performs a second wireless transaction via the second wireless network without transmitting a notification signal. | 01-16-2014 |
20140023058 | Device for Operating Using Multiple Protocols in Wireless Networks - A network includes an access point using a first protocol and a station using both the first protocol and a second protocol. The station uses the first protocol before a first threshold and a second protocol after the first threshold. A first duration between the second threshold and the first threshold is at least of sufficient length for the station to receive one data packet from the access point and send an acknowledgment. The station transmits to the access point a current clear-to-send packet at a current time during a current exchange based on success or failure of a previous exchange during which a previous clear-to-send packet was transmitted to the access point at a previous time. | 01-23-2014 |
20140029583 | Systems and Methods for Time Optimization for Silencing Wireless Devices in Coexistence Networks - Embodiments provide systems and methods to optimize the time when to transmit a silencing frame, and hence, improve the overall network throughput and avoid access point transmission rate fall-back mechanism having an avalanche effect during coexistence of dissimilar wireless network technologies. A device comprises at least two dissimilar network technology subsystems, at least one subsystem of which is lower priority than at least another of the dissimilar subsystems. In some embodiments, a device is able to transmit a silencing frame during a transmission window within a lower priority technology network interval. In other embodiments, a device calculates a transmission window, the transmission window to occur within a lower priority technology network interval, and transmits a silencing frame during the transmission window. In further embodiments, a device is able to calculate a transmission window to occur during a lower priority technology network interval, and transmit a silencing frame during the calculated transmission window. | 01-30-2014 |