WiMAX

 

WayMAX is the Siemens WiMAX solution that provides cost-efficient last mile broadband wireless access for residential users, Small Office — Home Office (SOHO) and Small — Medium size Enterprises (SME). WayMAX employs Non-Line-Of-Sight OFDM technology according to IEEE802.16, ETSI HiperMAN standard and WiMAX baseline profiles for delivering voice, video and data services at a rate of multiple Mbps with guaranteed quality of service. (QoS) and grade of service (GoS). WayMAX provides a standard-based mean for offering new forms of voice, video and data services to end-users staying at home, in the office, outside or on the move.

 

WayMAX is the IEEE802.16e SOFDMA-ready platform for operators offering broadband fixed and nomadic services of today’s IEEE802.16d standard who wish to seamlessly evolve their network with lowest risk towards portable services of tomorrow’s IEEE802.16e standard. WayMAX system enables the operator to offer a variety of broadband real-time and non-real-time nomadic/portable services:

 

 

WayMAX system includes the WayMAX Basestation product line, the WayMAX CPE portfolio for residential and business users and is part of an end-to-end network solution that provides fixed and portable services. WayMAX Basestation's high power solution and the cost-effective, complete WayMAX CPE portfolio provide the highest range and top-in-class performance to residential users, small-office and small-to — medium size enterprises.

 

 

WayMAX Basestation is the Siemens WiMAX equipment that provides voice, video and high-capacity data services to stationary and portable users. WayMAX Basestation is a carrier-grade shelf that fits into standard racks, supports up to four sectors and is connected to one or more remote Outdoor Units (ODU). The chassis hosts a Controller and Switching Unit (CSU), a Connector Unit (CU) and multiple Sector and Modem Units (SMU). All modules are hot — swappable.

 

Indoor shelf

The Controller and Switching Unit

 

(CSU) manages all Basestation components and aggregates traffic from the air-interface to the backbone. The CSU transparently interfaces the IP networking gear through standard IP and Ethernet protocols via 100/1000 BaseT network interface. The CSU could be made 1: 1 redundant for increased reliability.

 

 

Outdoor Unit

Each SMU is connected via one single IF cable to a top-in-class high-power remote Outdoor Unit (ODU) that performs the RF processing. The ODU integrates two receivers in order to provide cost — effective polarisation or spatial RX diversity. The high power 35dBm ODU is installed close to the antenna to minimise the feeder loss and ensures the highest range. Booster or Tower Mounted Amplifiers are not required.

 

Cost-effective equipment reliability is ensured through N: 1 redundancy of SMU plus ODU units. Frequency Division Duplex (FDD) and Time Division Duplex (TDD) are both supported.

 

Highest cell range

 

WayMAX solution achieves the highest range and cell capacity through the combined use of high — power solution, advanced diversity techniques and sub-channelisation. WayMAX Basestation and CPE portfolio support the sub-channelised transmission in order to recover from a lower uplink vs. downlink output power (up to 35dBm WayMAX Basestation, up to 27dBm for CPE). Sub-channelling increases the uplink budget (up to 12dB) for those users that are located close to the cell border but decreases the uplink user throughput accordingly.

 

WayMAX Basestation also employs advanced cost-effective receive — diversity technique integrated in its RF unit (ODU), which efficiently combines the signals received from different antennas for enhanced uplink budget. The usage of RX diversity is therefore highly recommended.

 

Highest data rate every time WayMAX supports BPSK,QPSK,16QAM and 64QAM modulations and provides per-allocation adaptive modulation and coding scheme. WayMAX ensures the most robust link conditions with the highest data rate by optimally selecting the best physical mode in downlink and by optimally assigning modulation, coding schemes, transmit power and sub-channels to the attached CPEs in uplink.

 

More Capacity over the Air WayMAX offers industry-leading Spectral Efficiency for highest data rate provision. The excellent multi — path resistance capabilities of OFDM technology enables operation in Non-Line-Of-Sight (NLOS) conditions, which allows reaching optimal spectrum usage and a net peak data rate of 25Mbps over a single 7 MHz channel.

 

Moreover, WayMAX employs Payload Header Suppression (PHS) and packet concatenation, fragmentation and packing. Those functionalities, together with support of ARQ (Automatic Repeat Request) protocol make voice and data transmission even more reliable and efficient.

 

No wasted Bandwidth

The amount of spectrum and duplex scheme allocated for Broadband Wireless Access (BWA) applications vary on a country-basis depending on local regulatory decisions. In order to offer the highest flexibility, the RF channel size of each sector is made configurable between 1.75MHz and 14 MHz (in steps of 250 KHz). WayMAX optimally manages the radio resources by assigning dynamically the available on-air capacity to the active CPEs with guaranteed QoS according to stipulated Service Level Agreement.

 

Easy integration into existing network

WayMAX is conceived to be an integral part of an IP-based network thanks to its comprehensive set of IP and Ethernet services and applications. WayMAX supports VLAN, Ethernet, IP over Ethernet traffic transport.

 

It enables service providers to implement Virtual Private Network

(VPN) for corporate intranet access, Trivial File Transfer Protocol (TFTP) and any other IP-based applications. The service provider can optimise the assignment of IP addresses and offer secure services by implementing DHCP (Dynamic Host Configuration Protocol) that WayMAX supports, acting as server or relay agent.

 

Guaranteed quality of service (QoS) QoS service in the IEEE802.16 standard is accomplished through four different types of scheduling services: unsolicited (or continuous) grant, real time polling, non-real-time polling, and best effort service. WayMAX supports all above mentioned scheduling services.

 

QoS parameters like Peak Data Rate (PDR), Guaranteed Data Rate (GDR), User Priority (for grade of service) can be configured on a service-basis and separately for uplink and downlink. A signalling function for dynamically establishing QoS-enabled service flows and traffic parameters is supported. The QoS parameters of the service flow can be also dynamically varied on a connection — basis by means of Dynamic Services signalling messages.

 

Overbooking of On-air resources is also supported by WayMAX.

 

MultiService support

The upper layer incoming packets are classified based on IP/Ethernet traffic flow differentiators like ToS field of IP header (DiffServ aware IP-based network) and Traffic Priority field (IEEE802.1p) of VLAN frame.

 

Thus WayMAX is able to differentiate the services like Web browsing, Voice over IP (VoIP), Video streaming,… with the ability to map each of them into a different service over the air interface. The advanced scheduling mechanism and queues-visit algorithms of WayMAX enforce the assigned QoS metric of the service flows by giving the traffic of each queue different delay and buffer preference.

 

Grade of Service (GoS) Management Several user groups can be defined (Platinum, Gold, Silver, Bronze,…) according to the different Service Level Agreement (SLA) stipulated between the service provider and the end-user. WayMAX provides the appropriate GoS by assigning each user profile a different “User Priority” level. Up to four User Priority levels can be assigned to each service. Given two services identical in all other QoS parameters, the higher priority service is given lower delay and higher buffering preference. Priority management is supported in Up and Down link directions separately.

 

Boundless deployment International carriers which operate in a number of countries where different bands are allocated for broadband wireless access applications need a unique platform that can be easily adapted to various local regulatory environments. The hardware architecture of WayMAX foresees an indoor shelf that is frequency-agnostic and is able to inter-operate with multiple remote outdoor units (ODU) of the WayMAX family (i.e. 3.5GHz, 2.5GHz).

 

“Pay as you grow”

WayMAX is designed to be scalable in terms of number of sectors, capacity per sector and services per CPE. Up to four sectors, more than 16 thousand active services per Basestation make WayMAX Basestation a future-proof solution to meet future traffic volume expectation. Moreover the support of up to 16 different services per CPE with different QoS levels enables the service provider to offer multi-tiered services and maximize the revenue opportunities. Activation licenses enable operators to smoothly increase the network investments as the customer base grows.

 

Minimal backhauling cost

The WayMAX Basestation aims to minimise operator's backhauling costs by offering a wide variety of backhaul interfaces and solutions. The CSU slot can host Ethernet, PDH or SDH based physical interface to fit perfectly at the best into the already existing transmission environment.

 

Secure Services

WayMAX has a privacy sub-layer that than performs authentication, key exchange and encryption of packets according to IEEE802.16 standard. Device authentication is based on X.509 for certification and validation whilst encryption employs IEEE standard compliant protocols. Universal Access Method (UAM) and IEEE-compliant Personal Key Management (PKM) user authentication protocols are also supported.

 

 

 

 

The need for anytime, anywhere access to voice, video and high-speed data services is becoming more and more important. WayMAX fulfils this need by empowering residential and business users with a variety of CPE models that address the need of the different market segments:

 

WayMAX Residential is the ideal solution for every access need. It is a fully-indoor, self-installing device that provides broadband wireless access services to residential users and small/home offices SOHO). WayMAX Residential operates in Non-Line-Of-Sight (NLOS), below the roof line. WayMAX Residential provides the interface to the user's equipment and the RF processing on a single main board. It is powered from the mains via its power supply unit. The RF connector of WayMAX Residential can be connected to multiple types of antenna (omni directional, desktop, window, external antenna) depending on use cases and radio conditions.

 

High Speed Performance The WayMAX Residential provides an efficient platform for high speed Internet/Intranet services and for any type of voice and real-time services. The system provides its subscribers with fast access to IP based services, a typical user experience of multiple Mbps and a peak data rate of 30Mbps (uplink and downlink).

 

Self-Installation

The WayMAX Residential connects end-user devices that run the most widely used operating systems, applications and contents without any modifications. Variety of types for every need WayMAX Residential comprises three different versions that differ from number and type of interfaces: All models are remotely operated and maintained by Siemens NetViewer O&M system.

 

 

Residential Multi-User has the same housing and design of the WayMAX Residential Modem.

 

 

 

 

 

 

WayMAX Business is the optimal solution for SME, SOHO and Gold residential users. Conceived as a fully outdoor device, WayMAX Business is equipped with an integrated high gain antenna in order to maximise cell range and improve quality of service in challenging propagation environments. The outdoor unit provides for simple, fast, low cost installation and high operational reliability. It is connected to an indoor connector box via a thin multi-wire cable. Ethernet connectivity available in the connector box makes it compatible with all types of subscriber LAN equipment.

 

 

Premium Services

The WayMAX Business provides a reliable platform for any type of real-time and non-real-time services and TDM services. The system provides its subscribers with advanced networking suite of functionalities and security capabilities.

 

Best QoS in every radio condition Due to its split indoor-outdoor architecture, the outdoor part of the WayMAX Business can be easily installed at or even above the roof line where the radio signal is much stronger. The high gain antenna ensures 18dBi link budget increase. Furthermore, building penetration losses will not apply. As a result, WayMAX Business ensures the highest data rate and best QoS.

 

 

 

 

WayMAX solution enables operators to rapidly address multiple market segments and build out their networks with minimal Capital and Operational Expenses (Capex and Opex). WayMAX is the WiMAX solution in the market that provides all savings and economies of scale made possible by standards-based, interoperable products. WiMAX products will drive down price and performance to levels unachievable by proprietary approaches.WayMAX allows operators to minimise the number of required Basestations, sites and associated expenses needed for deployment thanks to:

 

 

WayMAX CPE family minimises installation time and operational costs:

 

 

WayMAX offers operators reliability, flexibility, and compelling economics while migrating their networks from today’s IEEE802.16d — based network (OFDM 256) to tomorrow’s IEEE802.16e-based network (SOFDMA) without the worry of costly forklift upgrades. WayMAX offers operators nearly unlimited scalability, upgradeability and “Pay as you Grow” investment strategy: more than 16 thousands services simultaneously handled by the WayMAX Basestation, up to 16 simultaneous services per WayMAX CPE. “Pay as you Grow” concept is realised through activation licenses.

 

Boost of operator revenues from fixed line replacement services and business customers thanks to:

 

 

Additional revenues from Nomadic/Portable add-on services through support of Personal Key Management protocols and user authentication mechanism according to IEEE802.16 standard. WayMAX solution achieves break — even typically within 18/24 months of operations. WayMAX solution is complemented by Siemens’ unique end-to-end portfolio, which increases operators revenues thanks to: