公开(公告)号：US20210385863A1

公开(公告)日：2021-12-09

申请号：US17408211

申请日：2021-08-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weiwei FAN ,  Mohamed Adel SALEM ,  David Jean-Marie MAZZARESE

IPC: H04W74/08 ,  H04W74/00

Abstract: A random access method is described that includes a network device determines a first channel access type used by a terminal device to access a first unlicensed frequency band, where the first channel access type is one of channel access types of an unlicensed frequency band, and there are two channel access types of the unlicensed frequency band: frame based equipment (FBE) and load based equipment (LBE). The network device sends a first system message to the terminal device, where the first system message carries first indication information, and the first indication information is used to indicate the first channel access type. The terminal device obtains the first system message from the network device, and accesses the first unlicensed frequency band by using the first channel access type indicated by the first indication information.

公开(公告)号：US20220385518A1

公开(公告)日：2022-12-01

申请号：US17333404

申请日：2021-05-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yan XIN ,  Jung Hoon SUH ,  Osama S. ABOUL-MAGD ,  Kwok Shum AU ,  Mohamed Adel SALEM

IPC: H04L27/26 ,  H04L27/28 ,  H03M13/25

Abstract: The disclosed systems and methods for wireless communication directed are towards (i) encoding data bits to be transmitted over a multiple resource unit (MRU) in a wireless local area network (WLAN), (ii) creating a group of the encoded data bits based on a predetermined criterion, (iii) parsing the encoded bits in the group based on a proportional ratio associated with the MRU, (iv) modulating the parsed encoded data bits to generate modulated encoded data symbols, (v) mapping the modulated encoded data symbols to data subcarriers to generate encoded data subcarriers, the data subcarriers being associated with respective resource units (RUs) of the MRU, (vi) duplicating the encoded data subcarriers within the respective RUs, (vii) shuffling the duplicate encoded data subcarriers across the respective RUs of the MRU, and (viii) transmitting the encoded data subcarriers, and the duplicate encoded data subcarriers over the MRU in the WLAN.