Orthogonal frequency division multiple access (OFDMA) is a version of OFDM (orthogonal frequency division multiplexing) modulation that happens to be optimized for multiple users, specifically for ...

所有新的4G空中接口标准，包括WiMAX、LTE、UMB等都共享某些公共技术，例如基于正交频分多址接入(OFDMA)和MIMO(多入多出)。本文对这两项技术进行了探讨，首先讨论了如何实现OFDMA的核心DSP算法，然后是被LTE用来实现上行链路的新技术，最后简要介绍用于WiMAX和LTE ...

Even as third generation (3G) wireless equipment continues deployment, the wireless ecosystem is identifying and designing fourth generation (4G) systems. Although there is no clear definition on what ...

Wi-Fi 5采用OFDM技术，而Wi-Fi 6采用OFDMA技术。两者有啥区别呢？ 先来了解一下Wi-Fi 6的关键技术。MhXednc 如果把数据传输比作货运，OFDM技术一次只对一个用户发车，即使是一件小货物，车厢里空荡荡的，也要发一趟。上一个用户的货物发完了，再接着发下一个用户的 ...

智能电网的形成源自于在传统电网增加网络通信能力，使得电力设施与客户之间能够互通信息，进而使双方都可以根据电力使用情况调整自己在电网中的行为。其中的主要角色包括智能电表、智能电网监控和街道照明设施。由于电力线路中存在强烈的噪声和 ...

Orthogonal frequency-division multiple-access provides Wi-Fi 6 with high throughput and more network efficiency by letting multiple clients connect to a single access point simultaneously. Wi-Fi 6, ...

The IEEE’s latest standard, 802.11ax, has been designed inside and out for high efficiency. Also known as Wi-Fi 6, 11ax promises real-world performance improvements that will keep today’s mobile users ...

Orthogonal frequency division multiplexing (OFDM) has become attractive for many current and emerging commercial applications because it provides a combination of data throughput, scalability, and ...

US wireless technology vendor Qualcomm is to acquire Bedminster, NJ-based Flarion Technologies, a developer of Orthogonal Frequency Division Multiplex Access (OFDMA) technology and the inventor of ...