A Review Of High-Speed Packet Data
A Review Of High-Speed Packet Data
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Among the list of principal benefits of CDMA2000 is its spectral efficiency, which permits extra consumers to share exactly the same frequency band, leading to bigger capacity and superior overall performance. CDMA2000 is likewise backward suitable with 2G CDMA networks, which allows for a clean transition from 2G to 3G services.
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The newest experiments on HSPA downlink speeds performed by Ericsson in laboratory situations are actually able to succeed in up to 168 Mbps.
多址接入 ：不同的用户使用不同的扩频码，可以在同一频率上同时进行通信，实现了多个用户在同一频段上的同时接入。
LTE could be the 4G migration route for all 3G mobile networks, including CDMA2000 and UMTS. HSPA is a similar technologies to EVDO nevertheless it belongs on the UMTS networks.
Additionally, it will help producing staff and data technological innovation (IT) personnel collaborate by determining crucial read more phrases for integration jobs — and reduces the risk, Expense and glitches involved with utilizing them.
Overall return rates in 2023 had been as substantial here as Discover authentic-earth achievement stories exactly where progressive leaders have revolutionized their logistics with 3G’s effective answers
All 3GPP2 accepted and published documents are available within the fall-down menu beneath. You are able to decide to check out and download files from your entire library, or you could possibly limit The end result to Exhibit only documents from amongst 3GPP2's Specialized Specification Teams (TSGs).
To the reverse direction, radio indicators are transmitted by the mobile. Reverse url transmissions are OQPSK to be able to operate from the optimum range check here of the mobile's electricity amplifier.
By selecting essentially the most productive carriers for each cargo, enterprises can cut down shipping instances, leading to happier customers and improved loyalty.
The receiver also makes use of the methods of the rake receiver to enhance SNR in addition to conduct delicate handoff.
Error Correction and High quality of Company (QoS): EVDO incorporates error correction approaches to ensure the integrity of data all through transmission, even in situations with sign interference or noise.
控制精度 ：需要评估功率控制最终达到的精度，即信号的功率是否精确达到了目标值。