Abstract: A portable apparatus includes an exercise-measurement circuitry that measures exercise-related measurement data related to a user carrying out an exercise, a communication circuitry configured to provide the portable apparatus with wireless communication capability, and a processing circuitry configured to a perform operations. The operations include receiving the exercise-related measurement data from the exercise-measurement circuitry, receiving configuration data from an external user interface apparatus over a bidirectional wireless communication connection established through the communication circuitry and capable of transferring payload data to both directions, processing the exercise-related measurement data according to the received exercise-related parameters in order to obtain advanced exercise-related data, and communicating the advanced exercise-related measurement data to the user interface apparatus over the bidirectional wireless communication connection.

Abstract: A cardiac activity measurement assembly for a sports equipment handle and the handle is disclosed, wherein the assembly includes an optical cardiac activity sensor configured to measure cardiac activity of a user, and an attachment element for floatingly attaching the optical cardiac activity sensor to a handle of sports equipment in order to reduce pressure on a measuring head of the sensor caused by a skin contact between the measuring head and at least one finger or a palm of the user when gripping the handle.

Abstract: The present document discloses a solution for estimating blood pulse wave characteristics by using multiple measurement locations of a human body. According to an aspect, a method includes detecting, in a first measurement signal measured by a first heart activity sensor associated with a first location of a human body, a first occurrence of a blood pulse wave; detecting, in a second measurement signal measured by a second heart activity sensor from a second location of the human body different from the first location, a second occurrence of the blood pulse wave; estimating, on the basis of said detections synchronized to a common clock, time characteristics of the blood pulse wave; and computing, on the basis of said time characteristics, a metric representing a physiological condition of the human body.

Abstract: A portable apparatus includes an exercise-measurement circuitry that measures exercise-related measurement data related to a user carrying out an exercise, a communication circuitry configured to provide the portable apparatus with wireless communication capability, and a processing circuitry configured to a perform operations. The operations include receiving the exercise-related measurement data from the exercise-measurement circuitry, receiving configuration data from an external user interface apparatus over a bidirectional wireless communication connection established through the communication circuitry and capable of transferring payload data to both directions, processing the exercise-related measurement data according to the received exercise-related parameters in order to obtain advanced exercise-related data, and communicating the advanced exercise-related measurement data to the user interface apparatus over the bidirectional wireless communication connection.

Abstract: A cardiac activity measurement assembly for a sports equipment handle and the handle is disclosed, wherein the assembly includes an optical cardiac activity sensor configured to measure cardiac activity of a user, and an attachment element for floatingly attaching the optical cardiac activity sensor to a handle of sports equipment in order to reduce pressure on a measuring head of the sensor caused by a skin contact between the measuring head and at least one finger or a palm of the user when gripping the handle.

Abstract: A method of performing clock synchronization between two apparatuses includes storing, in a first apparatus, information representing synchronization accuracy required by at least one function of the apparatus; carrying out, by the first apparatus, a service discovery procedure with a second apparatus, and receiving clock information from the second apparatus during the service discovery procedure; determining, by the first apparatus on the basis of the received clock information and said stored information, whether or not synchronization accuracy is sufficient for the at least one function; and upon determining that the synchronization accuracy is sufficient for the at least one function, synchronizing a clock of the first apparatus with a clock of the second apparatus.

Abstract: The present document discloses a solution for estimating blood pulse wave characteristics by using multiple measurement locations of a human body. According to an aspect, a method includes detecting, in a first measurement signal measured by a first heart activity sensor associated with a first location of a human body, a first occurrence of a blood pulse wave; detecting, in a second measurement signal measured by a second heart activity sensor from a second location of the human body different from the first location, a second occurrence of the blood pulse wave; estimating, on the basis of said detections synchronized to a common clock, time characteristics of the blood pulse wave; and computing, on the basis of said time characteristics, a metric representing a physiological condition of the human body.

Abstract: A system includes a portable device and an external device connected wirelessly. Graphical user interface data determines a user interface functionality to be executed in a user interface of the external device in the portable apparatus, and is transmitted to the external device. The user interface functionality includes presenting at least one graphical interaction element on the user interface and receiving user input as a response to the user interacting with the graphical interaction element. The input data received from the user interface is used in the portable device to control a computer process relating to physiological data.

Abstract: A system includes a wrist computer and a portable video camera. The wrist computer acquires physical activity data measured by a sensor device, generates a time marker on the basis of the physical activity data, and transmits the time marker to the portable video camera according to a predefined wireless communication protocol. The portable video camera is configured to record video data, encode the video data into a video data file, and store the received time marker as meta data in the video file.

Abstract: A method provides a service in a Bluetooth device. The method includes initiating, in a first Bluetooth device connection establishment with a second Bluetooth device; carrying out a service discovery procedure with the second Bluetooth device, during which at least one unique service identifier associated with a personal training data service is exchanged between the first Bluetooth device and the second Bluetooth device, wherein the personal training data service comprises at least one personal training data item processed by the first Bluetooth device and/or the second Bluetooth device during a physical exercise; and after the service discovery procedure, transferring at least one frame with the second Bluetooth device, wherein the frame comprises an information element specifying personal training data and a command information element specifying how to process the personal training data.

Abstract: A method of performing clock synchronization between two apparatuses includes storing, in a first apparatus, information representing synchronization accuracy required by at least one function of the apparatus; carrying out, by the first apparatus, a service discovery procedure with a second apparatus, and receiving clock information from the second apparatus during the service discovery procedure; determining, by the first apparatus on the basis of the received clock information and said stored information, whether or not synchronization accuracy is sufficient for the at least one function; and upon determining that the synchronization accuracy is sufficient for the at least one function, synchronizing a clock of the first apparatus with a clock of the second apparatus.

Abstract: There is provided a radio device, comprising: a Bluetooth circuitry configured to generate and advertise a Blue-tooth beacon signal having frame format according to the Bluetooth standard; a proximity communication circuitry configured to receive configuration commands wirelessly from a physically separate user device over a magnetic induction-based proximity communication; and at least one processor and at least one memory including a computer program code, wherein the at least one memory and the computer pro-gram code are configured, with the at least one processor, to cause the radio device to perform operations comprising: reconfiguring at least part of data content of the Bluetooth beacon signal on the basis of the received configuration commands, wherein the data content of the Bluetooth beacon signal is set to comprise at least physical activity related information.

Abstract: A method provides a service in a Bluetooth device. The method includes initiating, in a first Bluetooth device connection establishment with a second Bluetooth device; carrying out a service discovery procedure with the second Bluetooth device, during which at least one unique service identifier associated with a personal training data service is exchanged between the first Bluetooth device and the second Bluetooth device, wherein the personal training data service comprises at least one personal training data item processed by the first Bluetooth device and/or the second Bluetooth device during a physical exercise; and after the service discovery procedure, transferring at least one frame with the second Bluetooth device, wherein the frame comprises an information element specifying personal training data and a command information element specifying how to process the personal training data.

Abstract: A method provides a service in a Bluetooth device. The method includes initiating, in a first Bluetooth device connection establishment with a second Bluetooth device; carrying out a service discovery procedure with the second Bluetooth device, during which at least one unique service identifier associated with a personal training data service is exchanged between the first Bluetooth device and the second Bluetooth device, wherein the personal training data service comprises at least one personal training data item processed by the first Bluetooth device and/or the second Bluetooth device during a physical exercise; and after the service discovery procedure, transferring at least one frame with the second Bluetooth device, wherein the frame comprises an information element specifying personal training data and a command information element specifying how to process the personal training data.

Abstract: A system includes a wrist computer and a portable video camera. The wrist computer acquires physical activity data measured by a sensor device, generates a time marker on the basis of the physical activity data, and transmits the time marker to the portable video camera according to a predefined wireless communication protocol. The portable video camera is configured to record video data, encode the video data into a video data file, and store the received time marker as meta data in the video file.

Abstract: A system includes a portable device and an external device connected wirelessly. Graphical user interface data determines a user interface functionality to be executed in a user interface of the external device in the portable apparatus, and is transmitted to the external device. The user interface functionality includes presenting at least one graphical interaction element on the user interface and receiving user input as a response to the user interacting with the graphical interaction element. The input data received from the user interface is used in the portable device to control a computer process relating to physiological data.

Abstract: A system includes a wrist computer and a portable video camera. The wrist computer acquires physical activity data measured by a sensor device, generates a time marker on the basis of the physical activity data, and transmits the time marker to the portable video camera according to a predefined wireless communication protocol. The portable video camera is configured to record video data, encode the video data into a video data file, and store the received time marker as meta data in the video file.

Abstract: There is provided a radio device, comprising: a Bluetooth circuitry configured to generate and advertise a Blue-tooth beacon signal having frame format according to the Bluetooth standard; a proximity communication circuitry configured to receive configuration commands wirelessly from a physically separate user device over a magnetic induction-based proximity communication; and at least one processor and at least one memory including a computer program code, wherein the at least one memory and the computer pro-gram code are configured, with the at least one processor, to cause the radio device to perform operations comprising: reconfiguring at least part of data content of the Bluetooth beacon signal on the basis of the received configuration commands, wherein the data content of the Bluetooth beacon signal is set to comprise at least physical activity related information.

Abstract: A method provides a service in a Bluetooth device. The method includes initiating, in a first Bluetooth device connection establishment with a second Bluetooth device; carrying out a service discovery procedure with the second Bluetooth device, during which at least one unique service identifier associated with a personal training data service is exchanged between the first Bluetooth device and the second Bluetooth device, wherein the personal training data service comprises at least one personal training data item processed by the first Bluetooth device and/or the second Bluetooth device during a physical exercise; and after the service discovery procedure, transferring at least one frame with the second Bluetooth device, wherein the frame comprises an information element specifying personal training data and a command information element specifying how to process the personal training data.

Abstract: A system includes a wrist computer and a portable video camera. The wrist computer acquires physical activity data measured by a sensor device, generates a time marker on the basis of the physical activity data, and transmits the time marker to the portable video camera according to a predefined wireless communication protocol. The portable video camera is configured to record video data, encode the video data into a video data file, and store the received time marker as meta data in the video file.