WDM (wavelength division multiplexing) ranking: Huawei, Ciena, Alcatel-Lucent (hereinafter referred to as "Alcatel-Lucent"), Fujitsu, NEC, leading the global WDM market in the third quarter of 20 12.
Ranking of wireless access network providers: Nokia Siemens Networks, Alcatel-Lucent and Nortel.
WiMAX (Worldwide Intermicrowave Access) suppliers: Oviton, Alcatel-Lucent, Motorola, Cisco, Huawei.
Femtocell (2G, 3G, 4G) communication providers: Samsung, Airvana, Alcatel-Lucent, UbiquiS, ip.access, Fujitsu, SpiderCloud.