Patent ID: 9451475
Filing Date: 2016-09-20
CPC Classification: H04B,H04W

Claim Text:
1. A method in a user equipment, comprising the steps of: receiving beam forming instructions from a base station in a WCDMA network including a high speed shared control channel, HS-SCCH, order indicating a code book, the code book comprising one or more code words, each code word identifying a pre-coding vector; and periodically, receiving code words from the code book, wherein the code book has been selected based on dynamically varying information available in the WCDMA network, the code words being received by the user equipment at a certain rate, the certain rate varying based on a speed with which an effective radio channel between the user equipment and the base station varies, wherein the code words for a slowly varying effective radio channel are received less frequently than the code words received for a rapidly varying effective radio channel.