|
This report is based on the authors' experience working in the industry that provides high-speed communications equipment to support indoor connectivity; as well as on their analytical work in the conducting technological and marketing studies in telecommunications, which they are providing for more than ten years. The analysis of several advanced indoor communications technologies that support multi-Gb/s rate of transmission as well as related markets, applications and survey of industries are presented. Particular, this report concentrates on: Wireline indoor communications, including:- HomePlug AV2 (MIMO)
- MoCA (2 and 2.5)
- HomePNA 3.1 - ITU G.hn-MIMO.
Wireless indoor communications, including:- IEEE802.11ac
- IEEE802.11ad
- Visible Light Communications (VLC).
Such a selection was based on the intention to analyze the most advanced techniques that support multi-Gb/s speeds of transmission together with other latest achievements in indoor wireline/wireless communications. Besides, these techniques are applicable for supporting a wide spectrum of indoor services - from the home entertainment to Home Area Networks to the broadband Internet. The report shows that wireline indoor communications are evolving towards ITU G.hn-MIMO as a technology that can efficiently use all three existing indoor wirings - electrical, phone and coax to achieve the speed of transmission more than 1 Gb/s. This standard developers believe that it can become the universal standard for home/small office networking; though shipments PLC and MoCA equipment expect to be ahead at least till 2020-2021. Altogether, wireline technologies experience severe competition from rapidly developing advanced wireless indoor communications. 802.11ac and 802.11ad are two recently introduced WLAN technologies. They are demonstrating the direction of WLANs development towards multi-Gb/s rates and efficient coverage. The major trend in WLAN silicon is towards using tri-band chips - 2.4 GHz, 5 GHz and 60 GHz bands - all implemented in a single silicon. Such a trend together with the falling electronic prices and convenience of wireless (vs. wireline) connectivity are making 802.11xx winning technologies. Visible Light Communications (VLC), which is referred by the ITU as the 5G technology opens additional opportunities for indoor communications. Dual-purpose LEDs with lighting/transmission abilities are becoming efficient means of communications with the multi-Gb/s speed of transmission and covering offices and homes and similar structures. All above mentioned technologies with their benefits and issues are analyzed in this report, which addresses corresponding markets and applications as well. The report also surveys 802.11ad and VLC related patents (2015-2016). The report is written for a wide audience of technical and managerial staff involved in indoor communications development.
|
현재위치 : 
