A method and system for access and uplink power control for a wireless system having multiple transmit points. Adjustment of the length of the collar is accomplished by means of a separate adjuster. In embodiments, during the step of generating the dot distribution, dots are produced of which at least one geometric characteristic is variable, the geometric amplitude of the generated variation having the order of magnitude of the average dimension of at least one part of the dots. , not through the lumen opening at the proximal end of the sheath. The carrier mobility of the first device formed on the first crystal lattice orientation is greater than the carrier mobility of the second device formed on the second crystal lattice orientation. The clip has a clip section and a press section.