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确定性消息传递算法 SCMA 在 NOMA 5G
Downloaded:0
作为一种有效的非正交多址 (NOMA) 技术,稀疏码多址 (SCMA) 有望用于未来的无线通信。与正交技术相比,SCMA 因其稀疏性而具有更高的重载容限和更低的复杂性。在本文中,基于确定性消息传递算法(DMPA),将域改变和概率近似等算法简化应用于 SCMA 解码。提前终止、自适应解码和初始降噪也用于更快收敛和更好的性能。
Date
: 2021-09-28
Size
: 8.74kb
User
:
thanh.q.du
5G 中的 SCMA 学习
Downloaded:0
稀疏码多址(SCMA)是一种新的频域非正交多址技术,可以提高无线电接入的频谱效率。使用 SCMA,不同的传入数据流直接映射到不同多维食谱的码字,其中每个码字代表一个扩展传输层。多个 SCMA 层共享 OFDMA 的相同时频资源。码字的稀疏性使得通过迭代消息传递算法 (MPA) 进行接近最优的检测成为可能。多层检测的这种低复杂度允许过多的码字过载,其中复用层的维度超过码字的维度。过载因子的优化以及层的调制编码级别提供了更灵活和有效的链路自
Date
: 2021-09-28
Size
: 5.17kb
User
:
thanh.q.du
门禁主要程序
Downloaded:0
门禁刷卡机的主要程序,读卡,写卡,保存等主要功能
Date
: 2021-09-28
Size
: 215.06kb
User
:
zhanghmzzz
c#物联网采集
Downloaded:0
CSharp物联网数据配置与采集(RS485,Modbus,DTU), 1,窗体程序分两部分,一部分是485配置页面,另一部分是DTU数据采集; 2,485配置部分是针对RS485传感器modbus通讯所开发的,如果报文格式不同,请自行修改保温部分; 3,DTU数据采集部分,支持多个DTU,而且每个DTU下支持多个RS485传感器,多个传感器的情况下,需要使用485配置部分的功能对每个传感器的地址进行配置; 4,DTU数采部分,本程序为
Date
: 2021-09-28
Size
: 479.08kb
User
:
285567520@qq.com
Digital image encryption algorithm
Downloaded:0
Digital image encryption using chaos
Date
: 2021-09-28
Size
: 2.05kb
User
:
akashgujjar1992@gmail.com
RemoteViewing094
Downloaded:0
the vnc remote desktop server and client writing by C#
Date
: 2021-09-29
Size
: 461.91kb
User
:
czc945@126.com
predictive_control_voltage and current
Downloaded:0
This work consists of two-stage control of a three-phase inverter under standalone mode. This is controlled by model predictive control.
Date
: 2021-09-30
Size
: 57.93kb
User
:
sivahrhk@gmail.com
four_leg_inverter_mpc
Downloaded:0
This work is about the predictive control of a four-leg inverter.
Date
: 2021-09-30
Size
: 41.17kb
User
:
sivahrhk@gmail.com
Gr gsm
Downloaded:0
The gr-gsm project is based on the gsm-receiver written by Piotr Krysik (also the main author of gr-gsm) for the Airprobe project. The aim is to provide set of tools for receiving information transmitted by GSM equipment
Date
: 2021-10-01
Size
: 583.21kb
User
:
terrymarshall876@gmail.com
bare metal master stm32
Downloaded:0
some project in here and useful this codes
Date
: 2021-10-01
Size
: 17.7kb
User
:
vipre_41
PMSM Vector Control stm32
Downloaded:0
PMSM vector control with STM32F103C8T6
Date
: 2021-10-01
Size
: 569.67kb
User
:
vipre_41
GA
Downloaded:0
GA-matlab,a simple code that help us learn GA.
Date
: 2021-10-05
Size
: 6.2kb
User
:
6789@@
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