| HarQ |
Hybrid Automatic Repeat Request
|
| HAT |
High Accuracy Tracking
|
| HBO |
Home Box Office
|
| HBT |
Heterojunction Bipolar Transistor
|
| HCC |
Host Call Control
|
| HCDS |
High Capacity Digital Services
|
| HCV |
High Capacity Voice
|
| HD |
Home Domain
|
| HDB3 |
High-Density Bipolar Three-Bit substitution
|
| HDI |
High Density Interconnects
|
| HDLC |
High-Level Data-Link Control
|
| HDLC |
High (level) Data Link Control
|
| HDML |
Handheld Device Markup Language
|
| HDML |
Handheld Device Markup Language
|
| HDR |
High Data Rate
|
| HDSL |
High-Bit Rate DSL
|
| HDSL |
High (data rate) Subscriber Line
|
| HDT |
Host Digital Terminal
|
| HDT |
Host Digital Terminal
|
| HDTV |
High-Definition Television
|
| HDVMRP |
Hierarchical Distance Vector Multicast Routing Protocol
|
| HEC |
Head Error Control / Head Error Check
|
| HEMT |
High Electron Mobility Transistor
|
| HEPA |
High-Efficiency Particulate Arresting
|
| HFC |
Hybrid Fiber/Coax
|
| HIDS |
Host Intrusion Detection System
|
| High-K |
High Relative Permittivity
|
| HIPERLAN |
High Performance Radio Local Area Network
|
| HiperLAN2 |
High Performance Radio Local Area Network Type 2
|
| HLR |
Home Location Register
|
| HMIC |
Heterolitic Microwave Integrated Circuit
|
| HN |
Home Network
|
| HOM |
High-Order Mode
|
| Home RF |
Home Radio Frequency Working Group
|
| HomePNA |
Home Phoneline Networking Alliance [also HomePNA2]
|
| HPBW |
Half Power Beam Width
|
| HPC |
High Probability of Completion
|
| HPCRF |
Home PCRF
|
| HPLMN |
Home PLMN
|
| HPO |
High-Performance Option
|
| HQ |
Headquarters
|
| HRR |
High Resolution Radar
|
| HS |
High Speed Packet Access
|
| HS-DSCH |
High Speed Downlink Shared Channel
|
| HS-PDSCH |
High Speed-Physical Downlink Shared Channel
|
| HS-SCCH |
High-Speed Shared Control Channel
|
| HSCSD |
High-Speed Circuit-Switched Data
|
| HSCWD |
High Speed Circuit Switched Data
|
| HSD |
High-Speed Data
|
| HSDPA |
High Speed Downlink Packet Access
|