Patent classifications
H04B2001/71563
Page scanning devices, computer-readable media, and methods for bluetooth page scanning using a wideband receiver
A page scanning device configured to generate a sequence mask for an expected frequency hopping sequence, select a first tone among a plurality of detected tones, first determine whether the first tone is included within an expected hop sequence, generate a first tone template in response to determining that the first tone is included within the expected hop sequence, align the first tone template with the plurality of detected tones based on the first tone, second determine whether the first tone template matches the plurality of detected tones, and detect a valid frequency hopping sequence in response to determining that the first tone template matches the plurality of detected tones.
Adaptive hopping equalizer
According to aspects of the disclosure, a method is disclosed comprising: detecting a first hop to a first frequency in a hopping sequence, the first hop being performed by a transmitter in accordance with the hopping sequence; identifying a weighting vector that corresponds to a second frequency in the hopping sequence; obtaining an equalizer vector for the second frequency based on the weighting vector and an equalizer matrix, the equalizer matrix including a plurality of equalizer vectors, each equalizer vector corresponding to a different frequency in the hopping sequence; detecting a second hop from the first frequency to the second frequency, the second hop being performed by the transmitter in accordance with the hopping sequence; receiving a signal that is transmitted by the transmitter at the second frequency; and equalizing the signal by using the equalizer vector for the second frequency.
System, apparatus and method for synchronizing communications between devices
Systems, apparatuses and methods for synchronizing communication actions between multiple communication devices by accounting for discrepancies between timing functionality in communicating devices. A time value indicative of a remote device's view of current time is received. Where it is determined that the time value differs from a locally generated view of current time by at least an established amount, the range of time in which communications signals with the remote device will be monitored and transmitted is extended.
WIRELESS NETWORK WITH CHANNEL HOPPING
A wireless network with network-level channel hopping. A wireless network includes a wireless device. The wireless device includes a receiver, a data channel selector, and a transmitter. The receiver is configured to receive a beacon signal comprising a beacon sequence value. The data channel selector is configured to select, as a pseudorandom function of the beacon sequence value, a data channel on which to transmit in an interval following reception of the beacon signal. The transmitter is configured to transmit on the data channel selected by the channel selector.
Indication of Modulation and Coding Scheme for Wireless Device in Coverage Enhanced Mode
Some embodiments include a method performed by a network node for indicating a modulation and coding scheme for a wireless device operating in a coverage enhancement mode, wherein the wireless device operates with a first modulation and coding scheme using physical downlink shared channel repetitions and with a second modulation and coding scheme without using physical downlink shared channel repetitions, and wherein the second modulation and coding scheme is a higher order of modulation and coding than the first modulation and coding scheme, the method comprising configuring, when physical downlink shared channel repetitions are not used, the downlink control information to indicate one or more parameters related to the second modulation and coding scheme, the indication comprising at least the modulation and coding scheme field of the first modulation and coding scheme and one or more downlink control information field bits which are used in relation to repetitions when repetitions of a physical downlink shared channel are used.
Method and apparatus for communicating with a network on cellular internet-of-things carriers
A method and apparatus for configuring cellular internet-of-things (CIoT) is provided. For one embodiment, a method for communicating on a CIoT carrier in a wireless communication system is provided. A user equipment (UE) receives a configuration of a reference carrier and the CIoT carrier, performs synchronization on the reference carrier, and communicates with a network on the CIoT carrier.
SYSTEMS AND METHODS FOR WIRELESS COEXISTENCE IN AN UNLICENSED SPECTRUM
A base station for a wireless communications system operating in an unlicensed target band of a wireless medium includes a receiver configured to wirelessly (i) receive non-cooperative carrier data within the target band from a user equipment, and (ii) detect an operation of at least one spread spectrum channel within the target band. The station further includes a transmitter configured to wirelessly send non-cooperative carrier data within the target band to the user equipment, a memory configured to store computer-executable instructions, and a processor configured to (i) execute the computer-executable instructions, (ii) determine, based on the detection operation of the receiver, at least one sequence of the at least one spread spectrum channel, and (iii) perform at least one corrective action to mitigate interference between the transmitter and an operation of the at least one spread spectrum channel based on the determination of the at least one sequence.
SLEEPY DEVICE OPERATION IN ASYNCHRONOUS CHANNEL HOPPING NETWORKS
A radio communications device includes a RTC configured to run even during sleep for receiving from a coordinator node (CN) in an asynchronous channel hopping WPAN an asynchronous hopping sequence (AHS) frame that includes the CN's hopping sequence. A processor implements a stored sleepy device operation in asynchronous channel hopping networks algorithm. The algorithm is for determining a time stamp for the AHS frame and the CN's initial timing position within the hopping sequence, storing the time stamp, going to sleep and upon waking up changing a frequency band of its receive (Rx) channel to an updated fixed channel. A data request command frame is transmitted by the device on the CN's listening channel that is calculated from the CN's hopping sequence, time stamp, CN's initial timing position and current time, and the device receives an ACK frame transmitted by the CN at the updated fixed channel of Rx operation.
Methods and apparatus for IOT operation in unlicensed spectrum
Various aspects of utilizing narrowband internet of things (NB IOT) communication are still under development. According to an aspect of the disclosure, the apparatus may be a user equipment (UE) using digital modulation for wireless communication via NB IOT communication in an unlicensed spectrum. The UE utilizes a plurality of downlink carriers in the unlicensed spectrum occupying at least a first minimum bandwidth by the plurality of downlink carriers and a plurality of uplink carriers in the unlicensed spectrum occupying at least a second minimum bandwidth with the plurality of uplink carriers. The UE performs communication using one or more of the plurality of downlink carriers and the plurality of uplink carriers.
Scheduled communication with resource providers and a home area network
Systems and methods are disclosed for providing scheduled communication between a primary network, such as a time synchronized channel hopping (TSCH) network, and a secondary network, such as a carrier sense multiple access (CSMA) network. During a first selected slot-offset in a TSCH hopping pattern, a gateway node communicates with a primary network node. During a second selected slot-offset in the TSCH hopping pattern, the gateway node communicates with a secondary network node. A communication schedule identifies the source and destination nodes and channel frequency for each slot-offset. The communication schedule is set such that the CSMA wake-up period for the secondary network is synchronized with the second slot-offset in the TSCH hopping pattern.