Patent 10531494 was granted and assigned to Huawei Technologies Co., Ltd. on January, 2020 by the United States Patent and Trademark Office.
An embodiment method at a network device for scrambling a downlink reference signal for a UE for demodulation of a downlink random access message during a random access procedure to the network includes scrambling the downlink reference signal using one of a temporary UE ID provided to the UE during the random access procedure, a random access ID generated during the random access procedure, or a dedicated UE ID assigned by the network.