Abstract: A method of increasing accuracy of location determination of mobile devices within a location-based subgroup starts with server receiving location data and proximity information from each of the mobile devices. Location data received from first mobile device includes first mobile device's fixed location. Proximity information received from first mobile device includes an identification of mobile devices within a proximity sensitivity radius of first mobile device's location. Server forms subgroup of mobile devices based on proximity information from each of the mobile devices. Subgroup may include first mobile device and mobile devices that have provided proximity information that identifies first mobile device are being within the proximity sensitivity radiuses of the mobile devices, respectively. Server may then refine the fixed location of the first mobile device, which includes identifying an intersection of the proximity sensor sensitivity of each of the mobile devices that are in subgroup.

Abstract: Embodiments of a multi-transceiver wireless communication device and methods for adaptive multi-band communication are generally described herein. In some embodiments, the multi-transceiver wireless communication device is configurable for half-duplex operation and for asymmetrical full-duplex operation on two non-interfering channels. In some embodiments, a contention-based channel access procedure may be performed to attempt to gain access to both a primary channel and an auxiliary channel. A primary transceiver and an auxiliary transceiver may be configured for asymmetrical full-duplex operation when access to both the primary channel and the auxiliary channel is granted. One of the transceivers may be configured for half-duplex operation when access to only one of the channels is granted.

Abstract: Method of generating, displaying, and implementing geo-fence using location determination of mobile devices (MHSDs) within location-based group starts with server receiving geo-fence information and generating geo-fence based on geo-fence information. Server receives location data and proximity information from MHSDs. Location data received from first MHSD includes first MHSD's location. Proximity information received from first MHSD includes identification of MHSDs within proximity sensitivity radius of first MHSD's location. Server forms subgroup of MHSDs based on proximity information from each MHSD. Subgroup include first MHSD and MHSDs that have provided proximity information that identifies first MHSD are being within proximity sensitivity radiuses of the MHSDs, respectively. Server refines the fixed location of the first MHSD, which includes identifying an intersection of the proximity sensor sensitivity of MHSDs that are in subgroup.

Abstract: A method of providing connection source recommendations using a database of historic data on connectivity starts with a processor receiving location and connection information from each mobile device. Location information may identify a location of each mobile device, respectively. Connection information may identify one of the connection sources as a preferred connection source used to identify the location of each mobile device, respectively. The connection source may be Global Position Satellite (GPS), cell tower, or WiFi access point. Processor may then store, in database, location and connection information. Database may include a plurality of location information and a history of connection information for each location information. Other embodiments are described.

Abstract: Method of determining fraudulent use based on behavioral abnormality starts with processor receiving first location data and first proximity information from first mobile device. First proximity information includes identification of mobile devices within proximity sensitivity radius of first mobile device. Processor determines whether first location data and first proximity information are included in historical location data and historical proximity information, respectively, associated with first mobile device. When first location data and first proximity information is not included, processor determines whether subsequent location data and subsequent proximity information received from first mobile device over predetermined period of time is included.

Abstract: Method of determining user's life change based on behavioral abnormality starts with processor receiving first location data and first proximity information from first mobile device. First proximity information includes identification of mobile devices within proximity sensitivity radius of first mobile device. Processor determines whether first location data and first proximity information are included in historical location data and historical proximity information, respectively, associated with first mobile device. When first location data and first proximity information is not included, processor determines whether subsequent location data and subsequent proximity information received from first mobile device over predetermined time period is included.

Abstract: A method of providing connection source recommendations using a database of historic data on connectivity starts with a processor receiving location and connection information from each mobile device. Location information may identify a location of each mobile device, respectively. Connection information may identify one of the connection sources as a preferred connection source used to identify the location of each mobile device, respectively. Processor may then store, in database, location and connection information. Database may include a plurality of location information and a history of connection information for each location information. When processor determines that mobile device has changed location, processor may transmit to mobile device connection information recommendation based on an analysis of database.

Abstract: A method of providing connection source recommendations using a database of historic data on connectivity starts with a processor receiving location and connection information from each mobile device. Location information may identify a location of each mobile device, respectively. Connection information may identify one of the connection sources as a preferred connection source used to identify the location of each mobile device, respectively. Processor may then store, in database, location and connection information. Database may include a plurality of location information and a history of connection information for each location information. When processor determines that mobile device has changed location, processor may transmit to mobile device connection information recommendation based on an analysis of database.

Abstract: A method of conserving battery power of mobile devices within a location-based group starts with server receiving location data and proximity information from each of the mobile devices. Location data received from first mobile device includes the first mobile device's location. Proximity information received from first mobile device includes an identification of mobile devices within a predetermined radius of first mobile device's location. Server identifies based on location data and proximity information a specific location and forms a subgroup of mobile devices that are within a predetermined radius of the specific location. Server queries and receives a level of power associated with each mobile devices in the subgroup and transmits control signals to each mobile devices in the subgroup to shut down radio functions based on the level of power. Other embodiments are also described.

Abstract: With some embodiments, a VCO (voltage controlled oscillator) operates at an integer multiple (N) above a desired transmission frequency. In accordance with one embodiment, a chip is provided with a VCO to generate a signal and a frequency dividing circuit to provide a reduced frequency version of the signal to a transmit mixer. The transmit mixer is followed by a power amplifier that is on the same die as the VCO. The power amplifier is to generate an OFDM output transmission.

Abstract: A method of increasing accuracy of location determination of mobile devices within a location-based subgroup starts with server receiving location data and proximity information from each of the mobile devices. Location data received from first mobile device includes first mobile device's fixed location. Proximity information received from first mobile device includes an identification of mobile devices within a proximity sensitivity radius of first mobile device's location. Server forms subgroup of mobile devices based on proximity information from each of the mobile devices. Subgroup may include first mobile device and mobile devices that have provided proximity information that identifies first mobile device are being within the proximity sensitivity radiuses of the mobile devices, respectively. Server may then refine the fixed location of the first mobile device, which includes identifying an intersection of the proximity sensor sensitivity of each of the mobile devices that are in subgroup.

Abstract: A system and method determines correlations within multi-tier communications based on repeated iterations/episodes of executions of a target application. Content-based correlations are determined by encoding the content using a finite alphabet, then searching for similar sequences among the multiple traces. By encoding the content to a finite alphabet, common pattern matching techniques may be used, including, for example, DNA alignment algorithms. To facilitate alignment of the traces, structural and/or semantic breakpoints are defined, and the encoding in each trace is synchronized to these breakpoints. To facilitate efficient processing, a hierarchy of causality among tier-pairs is identified, and messages at lower levels are ranked and temporally filtered, based on activity intervals at higher levels of the hierarchy.

Abstract: A system and method determines correlations within multi-tier communications based on repeated iterations/episodes of executions of a target application. Content-based correlations are determined by encoding the content using a finite alphabet, then searching for similar sequences among the multiple traces. By encoding the content to a finite alphabet, common pattern matching techniques may be used, including, for example, DNA alignment algorithms. To facilitate alignment of the traces, structural and/or semantic breakpoints are defined, and the encoding in each trace is synchronized to these breakpoints. To facilitate efficient processing, a hierarchy of causality among tier-pairs is identified, and messages at lower levels are ranked and temporally filtered, based on activity intervals at higher levels of the hierarchy.

Abstract: Embodiments of a multi-transceiver wireless communication device and methods for adaptive multi-band communication are generally described herein. In some embodiments, the multi-transceiver wireless communication device is configurable for half-duplex operation and for asymmetrical full-duplex operation on two non-interfering channels. In some embodiments, a contention-based channel access procedure may be performed to attempt to gain access to both a primary channel and an auxiliary channel. A primary transceiver and an auxiliary transceiver may be configured for asymmetrical full-duplex operation when access to both the primary channel and the auxiliary channel is granted. One of the transceivers may be configured for half-duplex operation when access to only one of the channels is granted.

Abstract: A supply cabinet is fitted with an outer sensor and an inner sensor. The outer and inner sensor wirelessly sense inventory items tagged with radio frequency tags and in proximity of the sensors. A method of tracking inventory items stored in a supply cabinet includes determining, based on time sequencing of sensing by the outer and the inner sensor, if an inventory item was removed from the cabinet or stored into the cabinet, and updating an inventory database accordingly. An alarm is optionally triggered if an inventory item is removed by an unauthorized user.

Abstract: With some embodiments, a VCO (voltage controlled oscillator) operates at an integer multiple (N) above a desired transmission frequency. In accordance with one embodiment, a chip is provided with a VCO to generate a signal and a frequency dividing circuit to provide a reduced frequency version of the signal to a transmit mixer. The transmit mixer is followed by a power amplifier that is on the same die as the VCO. The power amplifier is to generate an OFDM output transmission.

Abstract: With some embodiments, a VCO (voltage controlled oscillator) operates at an integer multiple (N) above a desired transmission frequency. In accordance with one embodiment, a chip is provided with a VCO to generate a signal and a frequency dividing circuit to provide a reduced frequency version of the signal to a transmit mixer. The transmit mixer is followed by a power amplifier that is on the same die as the VCO. The power amplifier is to generate an OFDM output transmission.

Abstract: A system and method determines correlations within multi-tier communications based on repeated iterations/episodes of executions of a target application. Content-based correlations are determined by encoding the content using a finite alphabet, then searching for similar sequences among the multiple traces. By encoding the content to a finite alphabet, common pattern matching techniques may be used, including, for example, DNA alignment algorithms. To facilitate alignment of the traces, structural and/or semantic breakpoints are defined, and the encoding in each trace is synchronized to these breakpoints. To facilitate efficient processing, a hierarchy of causality among tier-pairs is identified, and messages at lower levels are ranked and temporally filtered, based on activity intervals at higher levels of the hierarchy.

Abstract: A supply cabinet is fitted with an outer sensor and an inner sensor. The outer and inner sensor wirelessly sense inventory items tagged with radio frequency tags and in proximity of the sensors. A method of tracking inventory items stored in a supply cabinet includes determining, based on time sequencing of sensing by the outer and the inner sensor, if an inventory item was removed from the cabinet or stored into the cabinet, and updating an inventory database accordingly. An alarm is optionally triggered if an inventory item is removed by an unauthorized user.

Abstract: With some embodiments, a VCO (voltage controlled oscillator) operates at an integer multiple (N) above a desired transmission frequency.