Information transmission method and a communication device
A technology for information transmission and terminal equipment, which is applied in the field of information transmission and can solve problems such as affecting network performance and inability to determine the initial scrambling value.
Active Publication Date: 2019-05-24
HUAWEI TECH CO LTD
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However, when the RRC connection is not available, for example, when the terminal device initially accesses the cell, but no RRC connection has been established, or when the terminal device is in the RRC inactive state, or when RRC signaling is configured with SCID, The terminal device cannot obtain the above SCID through RRC, so that the terminal device cannot determine the initial scrambling value for data scrambling based on the SCID, which affects network performance
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[0110] The technical solution in this application will be described below with reference to the accompanying drawings.
[0111] The embodiments of the present application are applicable to various communication systems, therefore, the following description is not limited to a specific communication system. For example, it is suitable for long term evolution (long term evolution, LTE) system, future fifth generation (5th generation, 5G) system (sometimes also called new radio (new radio, NR) system), various evolution or fusion systems .
[0112] The network device in the embodiment of this application can be a device with wireless transceiver function, including but not limited to: base station, relay station, access point, vehicle-mounted device, wearable device, and network-side device in the future 5G network or future evolved A network device in a public land mobile network (public land mobile network, PLMN), an access point in a WiFI system, and a user equipment (user Eq...
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The invention provides an information transmission method and communication equipment. The method comprises the following steps: when determining that a high-level signaling is not configured with a scrambling code identifier; The communication device performs scrambling or descrambling processing on the data using a second initial scrambling value associated with at least one or at least two of acell identifier, a radio network temporary identifier, and a reserved bit, where the scrambling code identifier is used for the communication device to determine a first initial scrambling value fordata scrambling or descrambling, and the second initial scrambling value is related to the at least one or at least two of the cell identifier, the radio network temporary identifier, and the reservedbit. Therefore, according to the embodiment of the invention, the communication equipment uses the second initial scrambling value to perform scrambling or descrambling processing on the data when the high layer is determined to be not configured with the scrambling code identifier. The problem that the terminal equipment cannot determine the initial scrambling value for data scrambling in the prior art is solved.
Description
technical field [0001] The present application relates to the communication field, in particular to an information transmission method and communication equipment. Background technique [0002] In LTE, for Physical Downlink Shared Channel (PDSCH) transmission, all data streams come from the same network device, and the initial scrambling value c of the downlink data sent by the network device init It can be determined according to the following formula: [0003] [0004] For physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) transmission, the initial scrambling value c of the uplink data sent by the terminal device init It can be determined according to the following formula: [0005] [0006] Among them, n RNTI Indicates the network temporary identifier of the terminal device; q indicates the codeword (0: single codeword / 0,1: multiplexing mode); n s Indicates the slot number; Indicates the cell ID. [0007] According to the above description...
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Login to View More IPC IPC(8): H04L1/00H04W28/02
CPCH04L1/00H04W28/02H04W72/04H04L5/0048H04L5/0091H04L5/0035H04W72/23H04W76/11H04L5/0044H04W72/0446H04W72/0466H04W72/21
Inventor 窦圣跃葛士斌王婷李元杰张希毕晓艳
Owner HUAWEI TECH CO LTD