Patent ID: 7586973
Filing Date: 2009-09-08
Classification: H04B,H04J

Abstract:
1. A spreading method for a mobile station, wherein the mobile station is capable of using at least three data channels and at least one control channel, comprising: allocating a first code {a1, a2, a3, a4} to a first one of the data channels based on code allocation rules; allocating a second code {b1, b2, b3, b4} to a second one of the data channels based on the code allocation rules; allocating a third code {c1, c2, c3, c4} to a third one of the data channels based on the code allocation rules; spreading the first one of the data channels by the first code {a1, a2, a3, a4}; spreading the second one of the data channels by the second code {b1, b2, b3, b4}; and spreading the third one of the data channels by the third code {c1, c2, c3, c4}, wherein the code allocation rules include that the first code {a1, a2, a3, a4} is C when three and not more than three of the data channels are used, the first one of the data channels, the second one of the data channels, and the third one of the data channels are used.