CN1630387A - Multimedia central handset with single CPU and of software DSP mode - Google Patents
Multimedia central handset with single CPU and of software DSP mode Download PDFInfo
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- CN1630387A CN1630387A CN200310118438.1A CN200310118438A CN1630387A CN 1630387 A CN1630387 A CN 1630387A CN 200310118438 A CN200310118438 A CN 200310118438A CN 1630387 A CN1630387 A CN 1630387A
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Abstract
A multimedia center mobile communication set with mono CPU and software DSP mode, which contains RF process portion, RF and network interface, high performance CPU, operation memory assembly, (GSM or CDMA) software digital signal process (Soft-DSP) program collection memory, peripheral equipment and multimedia interface, coder/decoder, transmitter/receiver, keyboard, accessing selected software multimedia program collection memory, super micro hard disk, video camera, and phonetic input device. Said invention utilizes the software process mode to realize the hardware realized function such as modulation/demodulation, interleaving/deinterleaving, coding/decoding, filtering, spectrum spreading and equalization etc digital signal process function, raises system reliability and maintainability, and simplifies the two difficult problems of address and interruption.
Description
Technical field
The present invention relates to following four fields: communication, computer, Digital Signal Processing and applied mathematics field.
Background technology
Present mobile phone mainly adopts DSP (hardware) structure or embedded computer structure, possesses PC, network communication and multimedia function for making mobile phone, adopts the tactic pattern that increases CPU (the non-single CPU of system and two above circuit) and increase hardware mostly.This causes the mobile phone of the multimedia hub of this class formation to bring a series of problems such as volume, weight, power consumption, heat radiation, and the system reliability of this class formation and maintainable poor, the more important thing is the difficulty that has increased system design---address and interruption.Also have in addition in the face of many covers of different technologies standard (as: CDMA2000, WCDMA, TDS-CDMA) and system upgrade and research and develop and problem such as design iterations.And the multimedia hub mobile phone of single CPU and software implementation DSP mode, except effectively tackling the above-mentioned all problems, the distinguishing feature of its system design is to adopt the combination of software pattern of the program package of different digital signal processing algorithm, problem such as design iterations when this structure is convenient to tackle many covers research and development of different technologies standard and system upgrade certainly.And the total system of this structure is researched and developed and production has only development cost and maintenance cost, so be easy to tackle cruel price competition.
This in addition structure Design is to take advantage of a situation by some newest fruits of CPU and operating system in recent years, as hyperthread, super buffer memory, shrunk type data type, the saturation type compute mode of expansion, extended instruction set close, the I/O disposal ability of in good time processing (RTOS) ability of VLIW operation and Vector Processing, novel compiler and extended function storehouse, operating system and interaction capabilities, reinforcement etc.And these achievements for hardware be main structure the multimedia hub mobile phone in a sense, be unnecessary substantially.In fact this tactic pattern is to be prerequisite with the multimedia technology thinking of development of supporting Intel and Microsoft, more is conceived to CPU and operating system development in future and product certainly and popularizes.Expectation is taken advantage of a situation and is utilized these future development achievements, also is the important consideration of this structure future development.
Summary of the invention
The objective of the invention is to: a kind of high reliability and maintainability are provided, have parameter advantages such as volume, weight, power consumption, heat radiation, have system design advantages such as interruption, address, research and development advantage with flexible reply different technologies standard and upgrading, have price competitiveness, and take into account the single CPU of high-performance of following CPU, operating system and multimedia technology advantages for development and the multimedia hub mobile phone of software implementation DSP mode.
The object of the present invention is achieved like this: the multimedia hub mobile phone of a kind of single CPU and software implementation DSP mode, comprise Radio frequency Processing Unit, RF Processing Unit (A), radio frequency and network interface (B), high-performance CPU (C), run memory combination (D), (GSM or CDMA) software implementation Digital Signal Processing (Soft-DSP) collection of programs memory (E), peripheral hardware and multimedia interface (F), coder (G), electrophone (H), keyboard (I) also comprises optionally connected software implementation Multimedia Program set memory (J) of going into, ultra micro hard disk (K), video camera (L) and voice input device (M).Wherein Radio frequency Processing Unit, RF Processing Unit (A) is connected with radio frequency and network interface (B), radio frequency and network interface (B), high-performance CPU (C), run memory combination (D), (GSM or CDMA) software implementation Digital Signal Processing (Soft-DSP) collection of programs memory (E), peripheral hardware and multimedia interface (F), software implementation Multimedia Program set memory (J) is connected with high-speed bus respectively, peripheral hardware and multimedia interface (F) respectively with coder (G), keyboard (I), ultra micro hard disk (K), video camera (L) is connected with voice input device (M), and coder (G) electrophone (H) connects.
---software implementation Digital Signal Processing (Soft-DSP) the collection of programs memory of described GSM standard is by to demodulation, equilibrium, channel separation, deinterleaving, channel-decoding, and to channel-decoding, interweave, collection of programs that Digital Signal Processing functions such as encryption, tdma frame form, modulation realize with software mode respectively, deposit a high speed read-only memory in and constitute.
---software implementation Digital Signal Processing (Soft-DSP) the collection of programs memory of described CDMA standard be by to data adjusting, convolutional encoding, interweave, spread spectrum, the digital filtering of posting a letter, and merges receiving digital filtering, signal, deinterleave, Digital Signal Processing functions such as Viterbi decoding, data check are respectively with the collection of programs of software mode realization, deposit a high speed read-only memory in and constitute.
---described high-performance CPU is the CPU formation that do as one likes can surmount or be equivalent at least PXA800F (Intel).
---in the described run memory combination, there is the operating system that a performance surmounts or be equivalent at least Windows XP (Microsoft).
Core main points of the present invention are with software implementation DSP and idea of Software Radio, with the Digital Signal Processing function in the GSM mobile handset structure, as demodulation, equilibrium, channel separation, deinterleaving, channel-decoding and to chnnel coding, interweave, encryption, tdma frame form, modulation etc., with with the Digital Signal Processing function in the CDMA handset structure, as data adjusting, convolutional encoding, interweave, spread spectrum, post a letter digital filtering and receive that digital filtering, signal merge, deinterleave, Viterbi decoding, data check etc. realize with software.The environmental basis of this software processes is some newest fruits of CPU and operating system in recent years, as hyperthread, super buffer memory, shrunk type data type, the saturation type compute mode of expansion, extended instruction set close, the I/O disposal ability of in good time processing (RTOS) ability of VLIW operation and Vector Processing, novel compiler and extended function storehouse, operating system and interaction capabilities, reinforcement etc.
By CPU (as PXA800F) and operating system (as Windows XP) that performance is superpower of selecting for use a performance to surmount, and the processing structure of employing software implementation DSP, can realize complicated communication, PC and multimedia function (as HDTV, DVD, MP3 etc.).And the multimedia hub mobile phone of this kind structure is owing to reduced being connected of hardware and hardware, so have higher reliability and maintainability, be convenient to system design problems such as handling interrupt, address, and have superiority at aspect of performances such as volume, weight, power consumption, the heat radiation also utmost point.Design iterations when the more important thing is the many covers research and development of being convenient to tackle the different technologies standard and system upgrade.And the multimedia hub mobile phone of this structure has only R﹠D costs and maintenance cost, is easy to tackle cruel price competition.
The multimedia hub mobile phone of this structure is in that the initial stage possible price to occur higher, but the rule of development according to the IT industry, along with the development of CPU that is adopted and operating system, universal and price reduction, the high-end product at initial stage was bound to become mass product after three, five years.
Description of drawings:
Accompanying drawing 1 is system global structure figure of the present invention;
Accompanying drawing 2 is a GSM mobile handset structure chart of the present invention;
Accompanying drawing 3 is CDMA handset structure figure of the present invention;
Embodiment
1. select a kind of P/C than appropriate C PU, as PXA800F (Intel).In order to allow a CPU realize functions such as the communication of wanting required for the present invention, computer and multimedia simultaneously, the embedded computer chip that obvious conventional mobile phone is adopted can not meet the demands.In selection, should also be noted that some new technology trends of CPU producer, as CPU from now in the integrated design of function aspects such as communication, computer, cause CPU to have functions (as Intel) such as VOC and frequency synthesizer simultaneously, this will simplify the design of the multimedia hub mobile phone of GSM standard greatly.
2. select a kind ofly can satisfy function operations systems such as personal computer (PC), network, communication and multimedia simultaneously, as Windows XP.Certain this operating system is not the operating systems such as Symbain of conventional mobile phone.Answer the attention function investigation equally in selection, feature is the function and the respective function storehouse of compiler.The function in compiler and respective function storehouse is strong more, and the realization of corresponding software implementation DSP (DSP is a Digital Signal Processing) is just easy more.
3. by radio frequency and network interface (B), high-performance CPU (C), run memory combination (D) and the operating system that includes, peripheral hardware and multimedia interface (F) and high-speed bus just are built into a basic personal computer platform.
4. with the Digital Signal Processing function in the GSM mobile handset structure, as demodulation, equilibrium, channel separation, deinterleaving, channel-decoding and to chnnel coding, interweave, encryption, tdma frame form, modulation etc., with with the Digital Signal Processing function in the CDMA handset structure, as data adjusting, convolutional encoding, interweave, spread spectrum, post a letter digital filtering and receive that digital filtering, signal merge, deinterleave, Viterbi decoding, data check etc. realize with software.And under operating system, set up the corresponding control program of GSM and CDMA handset structure respectively.With two part combinations, and deposit a read-only memory in, just formed (GSM or CDMA) software implementation Digital Signal Processing (Soft-DSP) collection of programs memory (E).Here all programs are moved on above-mentioned personal computer platform.
5. Radio frequency Processing Unit, RF Processing Unit (A), personal computer platform (as described in 3), (GSM or CDMA) software implementation Digital Signal Processing (Soft-DSP) collection of programs memory (E), coder (G), electrophone (H) and keyboard (I) are coupled together, just formed the single CPU of basic structure and the multimedia hub mobile phone of software implementation DSP mode.
6. if enough strong of the function of the CPU of native system and operating system, optionally connectedly go into software implementation multimedia (HDTV, DVD, MP3 etc.) collection of programs memory (J), so just formed the multimedia hub mobile phone of a complete single CPU and software implementation DSP mode.
7., also can optionally insert ultra micro hard disk (K), video camera (L) and voice input device (M) if also have other demand.Certainly if needed, keyboard (I) also can become the light pen input.
The supplementary notes of embodiment
1. the present invention does not describe the operation principle of personal computer in detail.
2. the present invention does not describe the operation principle of GSM and CDMA mobile phone in detail.
3. development of internet technology can not satisfy the demands current multimedia handset and PDA etc. as online retrieval, video download, audio frequency download, network gaming etc., and this is one of reason of the present invention.
4. it is higher that the multimedia handset of this single CPU and software implementation DSP mode may price at the beginning of occurring, but along with the development of technology such as CPU and operating system with popularize, be bound to become popular product.
Claims (5)
1. the multimedia hub mobile phone of single CPU and software implementation DSP mode, it is characterized in that: comprise Radio frequency Processing Unit, RF Processing Unit (A), radio frequency and network interface (B), high-performance CPU (C), run memory combination (D), (GSM or CDMA) software implementation Digital Signal Processing (Soft-DSP) collection of programs memory (E), peripheral hardware and multimedia interface (F), coder (G), electrophone (H), keyboard (I), also comprise optionally connected software implementation Multimedia Program set memory (J), ultra micro hard disk (K), video camera (L) and voice input device (M) of going into; Wherein Radio frequency Processing Unit, RF Processing Unit (A) is connected with radio frequency and network interface (B), radio frequency and network interface (B), high-performance CPU (C), run memory combination (D), (GSM or CDMA) software implementation Digital Signal Processing (Soft-DSP) collection of programs memory (E), peripheral hardware and multimedia interface (F), software implementation Multimedia Program set memory (J) is connected with high-speed bus respectively, peripheral hardware and multimedia interface (F) respectively with coder (G), keyboard (I), ultra micro hard disk (K), video camera (L) is connected with voice input device (M), and coder (G) electrophone (H) connects.
2. the multimedia hub mobile phone of single CPU according to claim 1 and software implementation DSP mode, it is characterized in that: software implementation Digital Signal Processing (Soft-DSP) the collection of programs memory of described GSM standard is by to demodulation, equilibrium, channel separation, deinterleaving, channel-decoding, and to channel-decoding, interweave, collection of programs that Digital Signal Processing functions such as encryption, tdma frame form, modulation realize with software mode respectively, deposit a high speed read-only memory in and constitute.
3. the multimedia hub mobile phone of single CPU according to claim 1 and software implementation DSP mode, it is characterized in that: software implementation Digital Signal Processing (Soft-DSP) the collection of programs memory of described CDMA standard be by to data adjusting, convolutional encoding, interweave, spread spectrum, the digital filtering of posting a letter, and merges receiving digital filtering, signal, deinterleave, Digital Signal Processing functions such as Viterbi decoding, data check are respectively with the collection of programs of software mode realization, deposit a high speed read-only memory in and constitute.
4. the multimedia hub mobile phone of single CPU according to claim 1 and software implementation DSP mode is characterized in that: described high-performance CPU is the CPU formation that do as one likes can surmount or be equivalent at least PXA800F (Intel).
5. the multimedia hub mobile phone of single CPU according to claim 1 and software implementation DSP mode is characterized in that: in the described run memory combination, have the operating system that a performance surmounts or be equivalent at least Windows XP (Microsoft).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310118438.1A CN1630387A (en) | 2003-12-16 | 2003-12-16 | Multimedia central handset with single CPU and of software DSP mode |
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| CN200310118438.1A CN1630387A (en) | 2003-12-16 | 2003-12-16 | Multimedia central handset with single CPU and of software DSP mode |
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| CN1630387A true CN1630387A (en) | 2005-06-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841590B (en) * | 2009-03-16 | 2013-01-09 | 联芯科技有限公司 | Terminal equipment software and hardware self-adaptive matching method and terminal equipment using same |
| CN101803213B (en) * | 2007-12-28 | 2014-12-03 | 诺基亚公司 | Multiple radio instances using software defined radio |
-
2003
- 2003-12-16 CN CN200310118438.1A patent/CN1630387A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101803213B (en) * | 2007-12-28 | 2014-12-03 | 诺基亚公司 | Multiple radio instances using software defined radio |
| CN101841590B (en) * | 2009-03-16 | 2013-01-09 | 联芯科技有限公司 | Terminal equipment software and hardware self-adaptive matching method and terminal equipment using same |
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