Abstract: The invention belongs to the technical field of health care products, in particular to a flexible and conveniently adjustable neck brace, comprising a chest support block. The chest support block is connected to the adjustment components through the connection rods. The adjustment components are connected to a lower jaw support. The top of the lower jaw support is equipped with a support plate that can slide above it. The user can place head on the support plate and can rotate left and right. Compared with the existing neck brace, this structure is more flexible, and it is convenient for users to use. And it is also equipped with a magnet to facilitate the reset of the support plate to the middle position. The neck brace adopts the adjustable components, which are more convenient for users to adjust.

Abstract: The invention belongs to the technical field of health care products, in particular to a flexible and conveniently adjustable neck brace, comprising a chest support block. The chest support block is connected to the adjustment components through the connection rods. The adjustment components are connected to a lower jaw support. The top of the lower jaw support is equipped with a support plate that can slide above it. The user can place head on the support plate and can rotate left and right. Compared with the existing neck brace, this structure is more flexible, and it is convenient for users to use. And it is also equipped with a magnet to facilitate the reset of the support plate to the middle position. The neck brace adopts the adjustable components, which are more convenient for users to adjust.

Abstract: A method for generating a user mobility model includes: firstly deriving user movement tracks of all the users in a cellular network and then generating from the user movement tracks a user mobility model involving a user traffic between home cells of any two of path points in the cellular network. Thus, a cell can be re-divided into respective location areas according to the generated user mobility model to thereby deploy reasonably various network resources in the GSM network according to the re-divided positional zones. The invention further discloses a method and device for generating a user movement track and a device for generating a user mobility model.

Abstract: A method for generating a user mobility model includes: firstly deriving user movement tracks of all the users in a cellular network and then generating from the user movement tracks a user mobility model involving a user traffic between home cells of any two of path points in the cellular network. Thus, a cell can be re-divided into respective location areas according to the generated user mobility model to thereby deploy reasonably various network resources in the GSM network according to the re-divided positional zones. The invention further discloses a method and device for generating a user movement track and a device for generating a user mobility model.