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 | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
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| 5G | 02/05/2018 | ISLD-201805-009 | SAMSUNG | No | Family Member | ||||
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 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 comprising the steps of: upon receipt of a dedicated channel assignment request from a mobile station, determining an identifier (ID) of a secondary scrambling code; 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; scrambling a common channel signal using the primary scrambling code; scrambling a dedicated channel signal using the secondary scrambling code; 5 and transmitting the scrambled channel signals.
2. The method as claimed in claim 1, further comprising the steps of: during channel assignment, analyzing a capacity of orthogonal codes used ) together with the primary scrambling code; determining to use the secondary scrambling code, when there is an insufficient number of the orthogonal codes; and determining to use the primary scrambling code, when there are sufficient channel orthogonal codes. 5
3. The method as claimed in claim 1, wherein the ID of the secondary scrambling code is comprised of 4 bits.
4. The method as claimed in claim 1, wherein the ID of the secondary ) scrambling code is transmitted over a common control channel using the primary scrambling code.
5. The method as claimed in claim 1, wherein the ID of the secondary scrambling code is transmitted over a dedicated channel presently in service. 5
6. The method as claimed in claim 1, wherein the scrambling code generating step comprises the steps of: generating a masked sequence by operating a first sequence with a mask; WO 01/13655 PCT/KR00/00916 -22 generating a primary scrambling code and a secondary scrambling code by operating the masked sequence with a second sequence; outputting the generated scrambling codes as real-component scrambling codes; and delaying the generated scrambling codes to output imaginary-component scrambling codes.
7. A channel communication method for a mobile station in a mobile communication system, comprising the steps of: ) transmitting a channel assignment request to a base station, when it is required to assign a new channel; upon receipt of a message including an 4 bits ID of a secondary scrambling code from the base station, transmitting a response message to the base station; generating a mask using the received ID of the secondary scrambling code; i generating a secondary scrambling code using the generated mask; and descrambling a downlink channel signal with the generated secondary scrambling code.
8. The channel communication method as claimed in claim 7, wherein the scrambling code generating step comprises the steps of: generating a masked sequence by operating a first sequence with a mask; generating a second scrambling code by operating the masked sequence with a second sequence; outputting the generated scrambling codes as real-component scrambling codes; S and delaying the generated scrambling codes to output imaginary-component scrambling codes.
9. 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 i transmitting to a mobile station an ID of a secondary scrambling code for expanding a capacity of channels to be used by the mobile station, when there is an insufficient number of channels, which can be used with the primary scrambling code. WO 01/13655 PCT/KR00/00916 - 2310. The channel code communication method as claimed in claim 9, wherein the ID of the secondary scrambling code is comprised of 4 bits
11. The channel code communication method as claimed in claim 10, wherein the ID of the secondary scrambling code is transmitted over a common control channel
12. The channel code communication method as claimed in claim 10, wherein the ID of the secondary scrambling code is transmitted over a dedicated channel ) presently in service
13. A channel code communication method for a mobile station in a CDMA communication system, comprising the steps of: acquiring an ID of a primary scrambling code representative of an identification 5 code provided to a base station during initial sync setting; receiving an ID of a secondary scrambling code from the base station; generating the secondary scrambling code by combining the ID of the primary scrambling code and the ID of the secondary scrambling code; and despreading a received data signal with the generated secondary scrambling ) code
14. The channel code communication method as claimed in claim 13, wherein the ID of the secondary scrambling code is comprised of 4 bits. 515. The channel code communication method as claimed in claim 14, wherein the ID of the secondary scrambling code is received over a common control channel
16. The channel code communication method as claimed in claim 14, ) wherein the ID of the secondary scrambling code is received over a downlink dedicated channel presently in service
17. An apparatus for producing scrambling codes in a CDMA communication system, comprising: 5 a first shift register memory for generating a first sequence, said first shift register memory having a plurality of registers; a masking section for masking the first sequence to generate secondary sequence; WO 01/13655 PCT/KR00/00916 -24 a second shift register memory for generating a second sequence, said second shift register memory having a plurality of registers; a mask generator for generating a mask for the masking section; and a first adder for adding the first sequence with the second sequence to produce a 5 primary scrambling code a second adder for adding the secondary sequence with the second sequence to produce secondary scrambling code, wherein the mask contains an ID number identifying the primary scrambling code
18. The apparatus of claim 17, further comprising a first XOR gate for adding certain lower bits of the first shift register memory to produce the most significant bit of the first shift register memory based on a generator polynomial of the first sequence. 519. The apparatus of claim 18, further comprising a second XOR gate for adding certain lower bits of the second shift register memory to produce the most significant bit of the second shift register memory based on a generator polynomial of the second sequence.
20. The apparatus of claim 17, wherein the mask for producing the secondary scrambling code contains an ID number identifying one of the secondary scrambling codes.
21. The apparatus of claim 20, wherein the most significant bits of each of the masks contain the ID number of the primary scrambling code.
22. The apparatus of claim 21, wherein the least significant bits of the mask for producing the secondary scrambling code contain the ID number identifying ) one of the secondary scrambling codes.
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SUMMARY
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Patent number:AU6481300A
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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.