Abstract
Disclosed is a method for transmitting a channel signal in a base station of a mobile communication system which scrambles a common channel signal using a primary scrambling code for identifying the base station. The method comprises determining an identifier (ID) of a secondary scrambling code, upon receipt of a dedicated channel assignment request from a mobile station; transmitting the determined ID of the secondary scrambling code to the mobile station and awaiting a response; upon receipt of a response message from the mobile station, generating a primary scrambling code and a secondary scrambling code using an ID of the primary scrambling code and said ID of the secondary scrambling code; and scrambling a common channel signal using the primary scrambling code, scrambling a dedicated channel signal using the secondary scrambling code, and transmitting the scrambled channel signals.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
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Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Multiple access
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving of data channel
Claim
1. A channel code communication method for a base station in a CDMA (Code Division Multiple Access) mobile communication system, comprising the steps of: transmitting spread data to a mobile station using a primary scrambling code representative of an identification code provided to the base station over a common channel; and transmitting (906) to a mobile station a secondary scrambling code identifier ID for scrambling data channels, when there is an insufficient number of channels, which can be used with the primary scrambling code.
2. The channel code communication method as claimed in claim 1, wherein the secondary scrambling code ID is comprised of 4 bits.
3. The channel code communication method as claimed in claim 1, wherein the secondary scrambling code ID is transmitted over a common control channel.
4. The channel code communication method as claimed in claim 1, wherein the secondary scrambling code ID is transmitted over a dedicated channel presently in service.
5. A channel code communication method for a mobile station in a CDMA communication system, comprising the steps of: acquiring (1001) an ID of a primary scrambling code representative of an identification code provided to a base station during initial synchronization setting; receiving a secondary scrambling code identifier ID from the base station; generating (1007) the secondary scrambling code by combining the primary scrambling code ID and the secondary scrambling code ID; and despreading ( 1008) a received data signal with the generated secondary scrambling code.
6. The channel code communication method as claimed in claim 5, wherein the secondary scrambling code ID is comprised of 4 bits.
7. The channel code communication method as claimed in claim 5, wherein the secondary scrambling code ID is received over a common control channel. 142,489/2
8. The channel code communication method as claimed in claim 5, wherein the secondary scrambling code ID is received over a downlink dedicated channel presently in service.
9. A data transmission method in mobile communication system, the method comprising the steps of: scrambling common channel signals including a secondary scrambling code identifier (ID) with a primary scrambling code being assigned to a base station; scrambling data channel signals with the secondary scrambling code being associated with the primary scrambling code; transmitting the scrambled channel signals to a mobile station; identifying the base station by means of the primary scrambling code; descrambling the common channel signals with the primary scrambling code; and descrambling the data channel signals with the secondary scrambling code, wherein the primary scrambling code and the secondary scrambling code are complex scrambling codes comprising of a real component scrambling code and an imaginary component scrambling code, and the mobile station generates the secondary scrambling code according to the secondary scrambling code ID with reference to the primary scrambling code. 142,489/210. The method of claim 9, wherein the common channel signals are transmitted via a primary common control physical channel
11. The method of claim 9, wherein the data channel signals are transmitted via a dedicated physical channel
12. The method of claim 9, wherein the secondary scrambling code ID consists of 4 bits
13. The method of claim 9, wherein the ID of the secondary scrambling code is transmitted over a control channel associated the data channel presently in service
14. The method of claim 9, wherein the imaginary component scrambling code is generated by shifting the real component scrambling code by specific chip period
15. A mobile communication system for data transmission, comprising: a base station including a scrambler for scrambling common channel signals including a 142,489/3 secondary scrambling code identifier ID with a primary scrambling code being assigned to the base station and data channel signals with the secondary scrambling code being 5 associated with the primary scrambling code, and a transmitter for transmitting the scrambled channel signals to a mobile station; the mobile station including a searcher for identifying the base station by means of the primary scrambling code and a descrambler for descrambling the common channel signals with the primary scrambling code and the data channel signals with the 10 secondary scrambling code, wherein the primary scrambling code and the secondary scrambling code are complex scrambling codes comprising a real scrambling code and an imaginary scrambling code, and the mobile station generates the secondary scrambling code according to the secondary scrambling code ID with reference to the primary 15 scrambling code
16. The system of claim 15, wherein the common channel signals are transmitted via a primary common control physical channel. 20 142,489/117. The system of claim 15, wherein the data channel signals are transmitted via a18. dedicated physical channel
19. The system of claim 15, wherein the ID of the secondary scrambling code is transmitted over a control channel associated the data channel presently in service.
20. The system of claim 15, wherein the imaginary component scrambling code is generated by shifting the real component scrambling code by specific chip period. For the Applicant, SanfordT. Colb & Co. C: 42390']
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SUMMARY
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Patent number:IL142489A
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.