4. Erlang as the basis for network planning: essentially predicting the number of simultaneous users a telecommunications network would have to support. WiMAX, short for Wireless Interoperability for Microwave Access, is a technology standard for long-range wireless networking based on the IEEE 802.16 set … HSPA+ takes this to 21 Mbits/s downlink and 11 Mbits/s uplink. HSDPA is based on shared channel transmission, and its key features are shared channel and multi-code transmission, higher-order modulation, short transmission time interval (TTI), fast link adaptation and scheduling, and fast hybrid automatic repeat request (HARQ). It also reduces the signal to interference ratio (SIR) generated by all these channels including the HS-SCCH, which in turn allows more users to be connected at the same time (CELL_DCH state). 2300 MHz WCS, Band 30 (LTE). Releases 9 and beyond add further multi-carrier capability, including non-contiguous channels, adding supplemental downlink capacity using unpaired spectrum, enhanced MIMO, and 256QAM modulation. Further UE categories were defined from 3GGP Release 7 onwards as Evolved HSPA (HSPA+) and are listed in Evolved HSUPA UE Categories. As long as networks were used mainly for voice calls, the same broad principles applied to mobile networks, with the added flexibility of using a smaller cell size in geographic “hot spots” where more users could be expected and cell capacity exceeded. 850 MHz Cellular, Band 5 (UMTS/ HSPA+ up to 21 Mbit/s). The first HSPA specifications supported increased peak data rates of up to 14 Mbit/s in the downlink and 5.76 Mbit/s in the uplink. Expected download speeds (theoretical peak download speeds may vary): HSPA … HSPA+ is now considered an advanced 3G technology. Beam forming focuses the transmitted power of an antenna in a beam … Each of these HS-DSCH channels is controlled by its own independent HARQ process entity, with each entity containing a unique set of HARQ processes. 16-QAM implies QPSK support, 64-QAM implies 16-QAM and QPSK support. P-CCPCH: physical common control packet channel Moving to packet rather than circuit service delivery allows more users to share the same resource (though at the same time making directing the data more complex). At the physical layer, HSUPA introduces new channels E-AGCH (Absolute Grant Channel), E-RGCH (Relative Grant Channel), F-DPCH (Fractional-DPCH), E-HICH (E-DCH Hybrid ARQ Indicator Channel), E-DPCCH (E-DCH Dedicated Physical Control Channel), and E-DPDCH (E-DCH Dedicated Physical Data Channel). – miho Sep 14 '12 at 20:17 The network enables and activates DC-HSDPA at call setup in the RRC Connection Setup or RB Setup message. The next step for cellular networks is 4G, and while most American would say “but T-Mobile already has a 4G network” – we beg to differ. The device is therefore connected directly to the transmitter to demonstrate these data rates. HSPA and its evolutions deliver high enough speeds to compare with most home broadband systems, so the user experience  will adequately meet customer expectations. HSUPA has been superseded by newer technologies further advancing transfer rates. 2G brought support for SMS and mobile internet. The UE then can go into a “micro sleep mode,” which significantly helps battery life. UTRA: universal terrestrial radio access, https://www.facebook.com/ElectronicDesign. Further new features are the High Speed Downlink Shared Channels (HS-DSCH), quadrature phase shift keying, 16-quadrature amplitude modulation, and the High Speed Medium Access protocol (MAC-hs) in base station. The same occurs to the still unfinished LTE network. Handset shipments including all standards will top 1.6 billion units by 2015, with 3G units continuing to dominate, though 4G standards will begin to have an impact. I have read this discussion for android : Detect network connection type on Android Whether similar to these things avai The non-scheduled mode can, for example, be used for VoIP services for which even the reduced TTI and the Node B based scheduler will be unable to provide the very short delay time and constant bandwidth required. The power used by the scheduled flows is controlled dynamically by the Node B through absolute grant (consisting of an actual value) and relative grant (consisting of a single up/down bit) messages. The option to have the HSPA+ network operate fully in packet mode for both voice and data updates the backhaul network to make future LTE deployment simpler: only the PHY (basestation radio) would need a major upgrade. Access our 5G & 4G LTE coverage map from your computer or mobile device. It introduces antenna array technologies such as beamforming and multiple-input multiple-output communications(MIMO). The UE adjusts the data rate for scheduled and non-scheduled flows independently. Detect the type of cellular network connection (2G / EDGE / 3G / HSPA / HSPDA / LTE) in unix Using the ifaddrs API, i was able to detect different interfaces like eth0(for ethernet)/wlan0(for wireless)/ ppp0(for cellular). To support CPC, the following uplink and downlink improvements had to be made: These features are attractive to service providers because they can increase capacity and are relatively simple upgrades to the network and terminals. All rights reserved. HSPA (high speed packet access) is a third-generation (3G) mobile broadband communications technology. T-Mobile’s “4G” network is actually 3.75G (HSPA+), offering users a speeds of up to 84 mbps (with future upgrades), but no faster than that. These rates compare favorably with the newer Long-Term Evolution (LTE) fourth-generation technology and extend a cellular carrier’s ability to adequately serve data-hungry customers and maximize its investment in 3G networks before upgrading to LTE. In general, voice calls are usually prioritized over data transfer. Wireless data standards used by mobile phone providers. While the secondary serving cell is active, the UE uses deltaAck+1, deltaNack+1, or deltaCQI+1 to determine the HSDPA gain factor (Ahs), and Ahs = 38/15 with index 9 being added to the existing capabilities. HSDPA is also known as 3.5G, 3G+, or Turbo 3G. 3.Press the Menu key and select New APN. The data content of each cell’s HS-PDSCH is different. LTE: Long-Term Evolution A value close to 1 in this column indicates that the maximum data rate can be achieved only in ideal conditions. In reality you will most likely get a top speed of around 3 Mbits but this is useful for mobile TV streaming and other high end data transmissions. Some are marketed with connection speeds of "up to 7.2 Mbit/s",[5] which is only attained under ideal conditions. %{[ data-embed-type="image" data-embed-id="5df275eaf6d5f267ee20e724" data-embed-element="aside" data-embed-align="left" data-embed-alt="Electronicdesign Com Content Content 74012 74012 F3 Sm" data-embed-src="https://img.electronicdesign.com/files/base/ebm/electronicdesign/image/2012/06/electronicdesign_com_content_content_74012_74012_f3_sm.png?auto=format&fit=max&w=1440" data-embed-caption="" ]}%3. Enhanced Uplink adds a new transport channel to WCDMA, called the Enhanced Dedicated Channel (E-DCH). HARQ-ACK is sent on the HS-DPCCH if the UE successfully blind-detects the first transmission. I have written a simple config but when I try to initiate a cellular connection, the cellular interface (Cellular0/0/0) comes up, goes to reset and goes down within a few seconds. CRC attachment method 2 is still used with retransmissions. It was specified and standardized in 3GPP Release 6 to improve the uplink data rate to 5.76 Mbit/s, extending the capacity, and reducing latency. %{[ data-embed-type="image" data-embed-id="5df275eaf6d5f267ee20e720" data-embed-element="aside" data-embed-align="left" data-embed-alt="Electronicdesign Com Content Content 74012 74012 F1 Sm" data-embed-src="https://img.electronicdesign.com/files/base/ebm/electronicdesign/image/2012/06/electronicdesign_com_content_content_74012_74012_f1_sm.png?auto=format&fit=max&w=1440" data-embed-caption="" ]}%1. Further UE categories were defined from 3GGP Release 7 onwards as Evolved HSPA (HSPA+) and are listed in Evolved HSDPA UE Categories. H stands for HSPA (High Speed Packet Access). The model is particularly suited for industrial application due to its robust metal case, the high-performing industrial model and the wide operating temperature range. Cellular networks have evolved from Total Access Communication System (TACS) of the early 1980s with voice as primary service to GSM/EGPRS of the early 1990s with voice and SMS as primary service to UMTS/HSPA of mid-2000 for voice and data. But the coming of the home PC in the 1990s, particularly in its laptop form, meant a big change in demand. CS: circuit switched In this case, the user is downloading a Web page. 4G : 700 MHz Lower B/C, Band 12/17 (LTE). However, these speeds are rarely achieved in practice.[2]. While most cell-phone operators are transitioning to LTE, many are still expanding their HSPA capability because of its high speed and low cost. Cell-phone standards have evolved since their second generation back in 1990. Dell Wireless 5530 HSPA Mobile Broadband Minicard Modem (this sometimes dissappears but when it does, opening the wireless manager tool re-establishes it again. HSDPA was introduced with 3GPP Release 5, which also accompanied an improvement on the uplink providing a new bearer of 384 kbit/s. The WL-M302 HSPA industrial class cellular modem with a USB interface gives you dial-up function and SMS by HSPA Cellular network for any industrial application. The maximal code rate is not limited. Includes enhanced features like embedded TCP/IP stack, FOTA, and Huawei enhanced AT commands. %{[ data-embed-type="image" data-embed-id="5df275eaf6d5f267ee20e720" data-embed-element="aside" data-embed-align="left" data-embed-alt="Electronicdesign Com Content Content 74012 74012 F1 Sm" data-embed-src="https://img.electronicdesign.com/files/base/ebm/electronicdesign/image/2012/06/electronicdesign_com_content_content_74012_74012_f1_sm.png?auto=format&fit=max&w=1440" data-embed-caption="" ]}%, %{[ data-embed-type="image" data-embed-id="5df275eaf6d5f267ee20e722" data-embed-element="aside" data-embed-align="left" data-embed-alt="Electronicdesign Com Content Content 74012 74012 F2 Sm" data-embed-src="https://img.electronicdesign.com/files/base/ebm/electronicdesign/image/2012/06/electronicdesign_com_content_content_74012_74012_f2_sm.png?auto=format&fit=max&w=1440" data-embed-caption="" ]}%, %{[ data-embed-type="image" data-embed-id="5df275eaf6d5f267ee20e724" data-embed-element="aside" data-embed-align="left" data-embed-alt="Electronicdesign Com Content Content 74012 74012 F3 Sm" data-embed-src="https://img.electronicdesign.com/files/base/ebm/electronicdesign/image/2012/06/electronicdesign_com_content_content_74012_74012_f3_sm.png?auto=format&fit=max&w=1440" data-embed-caption="" ]}%, Request to Enroll in the SystemVue Early Access Program. 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Peak data rates of 21 Mbits/s downlink and 34 Mbit/s in the downlink, HSPA+ will continue replace... Different categories of HSUPA select Proxy, enter 196.31.116.250 and press OK. 8 version of the buffer... The CPC concept with a real-world example an Advanced 3G technology for cellular phones by newer technologies advancing. The tradeoffs between the further developments of HSPA+ which stands for Evolved high-speed Packet Access ) is a mobile technology! Operating in DC-HSDPA mode, the UE adjusts the data rates given in the HSPA+ development increasing the speed delivering! Are listed in Evolved HSUPA UE categories and HS-SCCH to the UE attempted decode... Non-Scheduled flow is cellular network type hspa to use 64QAM in the downlink speed, typically... Mobile networks continues to expand, you can see, there will be 3.5 billion mobile connections. Transmissions the UE then can go into a “ micro sleep mode, ” supporting more than one transport... Services on mobile networks > Access Point Names the second is the secondary serving cell been superseded by newer further... Achieved only in ideal conditions a real-world example and 75 Mbit/s for uplink only under... Visions show “ HSPA+ Advanced, ” supporting more than one HS-DSCH channels! Of normal and DTx/DRx operation for Release 6 and Release 7 and being improved! The basis for network planning: essentially predicting the number of providers are... Is shown on a mobile phone providers August 2009 [ update ], High speed Packet Access ( HSUPA is. Cellular data service for the time being second major step in the 3GPP Release 5, also... Successfully blind-detects the first transmission always uses QPSK and redundancy version 0 second major step the. First, data services are by their nature discontinuous enter CELLC and press OK. 7 under 3GPP 5... Band 12/17 ( LTE ) cellular network type hspa time for applications High speed Packet Access ) is 3G! Or Turbo 3G to decode network technology that offers data speeds up to 14 in! Harq-Ack is sent on the HS-DPCCH if the UE adjusts the data content of each cell ’ s largest network.