通信世界网消息(CWW)近日,爱立信AIR 3255 Massive MIMO天线一体化无线设备已在日本运营商NTT DOCOMO的5G网络中正式商用。该新型无线设备覆盖4.5 GHz,将有助于在高流量、高需求区域满足当前及未来的5G网络业务需求。 AIR 3255已于2025年12月开始在现网中投入运行 ...
本文推荐一项针对毫米波频段多输入多输出(MIMO)天线设计中高隔离度需求的研究。为解决MIMO天线在30-50 GHz频段存在的互耦干扰问题,研究人员通过缺陷地结构(DGS)与去耦元件优化,开发出紧凑型四单元阵列天线。实测结果显示,该天线平均隔离度达-34.43 dB ...
为解决5G小基站在亚6GHz频段对宽带、高增益和极化多样性的需求,研究人员设计了一种基于花瓣形辐射单元的双极化磁电偶子(ME Dipole)MIMO阵列天线。该天线通过Γ形馈电结构和箱形反射器,实现了91.8%的阻抗带宽(2-5.4 GHz)和16.5 dB的峰值增益,同时端口隔离度 ...
ARLINGTON, Va.--(BUSINESS WIRE)--DeepSig, experts in artificial intelligence (AI) and machine learning (ML) innovation in wireless communications, today announced that it hit a joint milestone in Open ...
印度班加罗尔2026年2月27日 /美通社/ -- Tejas Networks(BSE:540595,NSE:TEJASNET)今日宣布,已与NEC Corporation签署协议,将为其制造 ...
Massive MIMO, which depends on using a large array of antennas, is the keystone technology for realizing the improvement necessary to justify the evolution from 4G to 5G wireless networks. Fifth ...
All 5G systems networks are going to use MIMO (massive input, massive output) antenna arrays and beamforming. Many 5G systems will operate in millimeter wave (mmWave) spectrum. Designing MIMO arrays ...
The next generation of cellular connectivity is nearly upon us, and there’s every indication it will perform leaps and bounds better than its predecessor. So it’s no real surprise that carriers like ...
KISTA, Sweden, Feb. 22, 2021 /PRNewswire/ -- Ericsson (NASDAQ: ERIC) has launched three new radios in its industry-leading Massive MIMO portfolio and expanded its RAN Compute portfolio with six RAN ...