GB2473825A

GB2473825A - Wireless infrastructure using existing Yagi (domestic, home) antennas as transmitters

Info

Publication number: GB2473825A
Application number: GB0916716A
Authority: GB
Inventors: Rajan Chadha
Original assignee: IBN Ltd
Current assignee: IBN Ltd
Priority date: 2009-09-23
Filing date: 2009-09-23
Publication date: 2011-03-30
Anticipated expiration: 2029-09-23
Also published as: GB0916716D0; GB2473825B

Abstract

A method is disclosed that uses existing Yagi-Uda (household, domestic) television aerials to provide a wireless infrastructure; each of millions of Yagi antennas are used as transmitting radiating points with an IP address to provide a wireless infrastructure for mobile communications, home-to-home interconnection, home utility services -including energy management (smart meters) - or Internet (e.g. social networking, interactive games), mobile telephone and television services. A personal server (PS, Figure 2) connects to a television receiver and Yagi antenna, which connects securely and wirelessly to a television broadcasting site server (RSTV) and an electric sub-station server (RSES). Digital applications that require preservation of latency, synchronisation and time accuracy over the wireless infrastructure, and access to public networks, are facilitated. Mobile telephones with built-in (integral) personal servers and infrared transmitters are used in such as system as remote controllers for television, web access on television receivers, etc. Processing may be done in the personal (home) servers to determine which Yagi antenna is best suited for data forwarding communications.

Description

PATENT TITLE: METHOD FOR PROVISIONING HIGH SPEED WIRELESS INFRASTRUCTURE.

DESCRIPTION

A major barrier for the next generation high speed wireless infrastructure is the speed, reliability, cost and long time of deployment, reach, and access, particularly penetration of infrastructure in remote areas. The method in this invention enables disadvantaged individuals to improve their position in society and encourage inclusion in the information society enabling them to diffuse upward in social mobility. The method provides a simple way for bridging social and digital engagement; this is accomplished by providing combined internet, broadcast and mobile services simultaneously on the television set but also on mobile devices.

The method detailed in the invention is concerned with the above and uses existing installed base of 30 million yagi television receiving antennas (community deployed assets) with a unique IP (Internet Protocol) address to provide a low cost home to home broadband wireless infrastructure and mobile communications where a television transmitting infrastructure is available. Each TV receiving yagi antenna (ITEM 1) forms a wireless radiating point connected to the personal server (PS, ITEM 3 in Figure 2).

Due to the proximity of several yagi antennas; the method provides multiple routings through large number of neighbouring yagi antennas. As a result, the method provides low interference, high resilience wireless infrastructure.

The servers (RSTV, ITEM 11), located at the TV broadcasting sites, comprise of TV licensing database (ITEM 25), Spectrum database (ITEM 26), Policy Server (ITEM 27), shown in figure 2.

The RSTV has built in receive (ITEM 16) and transmit (iTEM 17) systems, processing unit (PU.

ITEM 20) and logical sensing unit (LU, ITEM 21), same as that of personal server (PS) shown in figure 3 and 4, which wirelessly connects to Personal servers (PS) through roof top installed yagi antennas. Additional servers (RSES,ITEM 6) are located at the electric sub-stations. Only one physical connection for the RSES and RSTV exists to the public mobile gateways (ITEM 7). The method ensures that all traffic is routed via either RSTV or RSES.

The method uses servers at electric sub stations (RSES), currently located approximately 7 kms of individual homes. The servers at the local electric sub stations (RS ES) comprises of has built in receive and transmit, processing unit (PU) and logical sensing unit (LU) systems which wirelessly connects to individual homes and manage energy using Smart meters (ITEM 5), shown in Figure 2 but also provide broadband communications as sub net to the servers at the transmitting television sites (RSTV). The regional electricity serving company may also use their subscriber database to complement TV licensing database. The overview of the wireless infrastructure is shown in Figure 1.

The method uses a low power Personal Server (PS, ITEM 3), inserted between television set and yagi antenna (ITEM 1). The Personal Server (PS) has built in logical and sensing unit (LSU, ITEM 21) which senses spectrum and channels, transmit (ITEM 18) and receive (ITEM 19) power, look up geo-location database, ranks and allocate channels and time slots depending on interference level. The method can use any channel from the entire VHF and UHF broadcast spectrum accept the operational television channel and channels on either side of the TV operational channel at any instant of time and location. The control channel is transparent allowing the personal server (PS) to determine usage on the basis of air time efficiency.

The signal processor units (PU, ITEM 20) observe data, analyse, decide and take action to allocate channel and time slots to the link. The method invites number of yagis through links that elect to take the data forward on different channels and time slots. The most appropriate link is prioritised, selected, and decided by the channel sensing within the logic and sensing unit (LSU), Depending on the signal strength, carrier to interference and collision probability of channel and timeslot measurements, a logical path from a PS linked to the yagi to the server (RSTV), TV broadcasting station is formed and also at the server (RSES) at the local electric sub-station, Since the transmit power is low (less than 100mW) no elaborate filtering is required for third order intermodulation interference or to protect microphone and other services. Some of the antenna installed will have yagi antenna polarisation discrimination which assists in reducing further the interference. The PS has all the information installed to protect all services from interference, The method uses radiating cells of varied dimensions for Home to Home' connection to ensure latency preservation and synchronisation. The method compares timings and location for each yagi provided by built in GPS and TV licensing data (ITEM 21). The method enables gigabit data streams using low cost multiplexing of channels and time slots that provide combined mobile, broadband and real time interaction on television.

The method uses a personal communicator and Receptor (PC) which is a mobile phone and controller of applications on television. The personal communicator with built in personal server controls access to the internet on television and mobile communications. The PC comprises of interfaces that connects with public mobile gateway (Access Network) for public mobile networks. Detailed description of public mobile network is detailed in 3G systems and Global System for Mobile communications (GSM) typical mobile communication system such as UMTS (Universal Mobile Telecommunications System), consists of a mobile station or user equipment has access to the mobile services offered by a core network via an access network, The access to the public network constitutes fail-safe network and to extend functionality to public networks.

The built in channel monitoring ensures that the said Personal Communicator and Receptor (PC) does not operate on the TV operational channel at the location.

The method assigns unique IP address to each yagi antenna attached to Personal Server (PS) for end to end communication to RSTV or RSES. The IP address is linked to the household, consisting of unique wireless network, television broadcasting sub-net, host yagi, donor yagi, and user identification via the television licence database. The regional servers maintain a directory of TV license holders with a unique IP address for each household.

Radiating cells of varied dimensions form a new infrastructure for Home to Home' connection.

education and community, gaming and social network, and combines internet, mobile and television. The application portability is achieved using standard transport service based on Transport Communication protocol/Internet Protocol (TCP/IP), therefore, the same infrastructure is used for different applications such as home automation, security and monitoring energy consumption via (RSES).

IP addressing scheme treat each sub-power station (RSES) as a sub-net that connects to regional servers, RSTV, at the broadcast transmission sites. Each (RSES) has an IP address to use at each sub-net and systems wishing to communicate with the (RSES) and all servers know to use these IP addresses.

Logical path is created by bouncing and re-transmission of radio waves from yagi to yagi to the broadcasting TV station sites using simple Transport Communication protocol/Internet Protocol (TCP/IP) connection oriented between Personal Server (PS) and Regional Servers (RSTV and br RSES). These servers interconnect using public broadband networks to a central operation and management using Simple Network Management Protocol (SNMP).

Ultra wide band and wifi capabilities with access to public network connectivity are built in PS this method provides failsafe alternate communications independently of the yagi based infrastructure. Wi-Fi and Ultra wide band basebands and mobile gateways are converted to the ultra high frequency band for onward transmissions to personal servers (PS). The functional architecture is shown in figure 4.

The security, access controls and authentication is built in the RSTV, RSES servers and also built within the Personal Servers (PS). The standard TCP/IP protocols (such as IP SEC 6) are used based on password generation and distribution, an authentication process based upon user identity and password is used. The method also provides encryption at the application level for bulky and sensitive data