name: SAW
full_form: Surface acoustic wave
context: The candidate methodologies for MIMO OTA can be broadly classified into 3 categories: 1) Anechoic Chamber 2) Reverberation Chamber 3) Multi-stage Method It is recognized that the content of the table is preliminary and based on currently available information. Many of the attributes of the candidate methodologies require further study/proof and are subject to change. NOTES: Note 1: 3D is feasible if 3D channel model is used. Note 2: Metrics supported: the measurement metrics supported by the test method like throughput, TRP/TRS, antenna pattern, gain imbalance, etc Note 3: SNR control: explicit SNR, implicit SNR, etc Note 4: VNA is an abbreviation of Vector Network Analyzer. Note 5: random AoA, uniform average Note 6: antenna-based method uses stage 1 from the 2 stage method and derive from this, a MIMO channel capacity FOM Note 7: 2 stage method does not require channel capacity metric, but measures throughput using second stage in a conducted test Note 8: The angular spread observed
description: Surface Acoustic Wave (SAW) is a method of transmitting data over multiple subchannels within High-Speed Downlink Packet Access (HSDPA). It is also used in conjunction with Hybrid Automatic Repeat Request (HARQ) for efficient data transmission. SAW HARQ involves buffering a certain number of HSDPA Transmission Time Intervals (TTIs) to manage retransmissions.
explanation: The text explicitly mentions SAW's role in HSDPA and HARQ, both being telecommunications technologies used for wireless communication. The description focuses on data transmission methods and protocols within the context of mobile networks, classifying SAW as a telecommunications technology.
section_title: Buffering complexity
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