[특허]Code transmission over timeslots and antennas

Code transmission over timeslots and antennas 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-007/216
출원번호	US-0110178 (2005-04-20)
등록번호	US-8228886 (2012-07-24)
발명자 / 주소	Bolgiano, D. Ridgely LaVean, Gilbert E.
출원인 / 주소	InterDigital Technology Corporation
대리인 / 주소	Volpe and Koenig, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 95

초록 ▼

A code is provided for transmission. The code is transmitted over a first antenna in a first time slot and the code is not transmitted over a second antenna in the first time slot. The code is transmitted over the second antenna in a second time slot and the code is not transmitted over the first an

대표청구항 ▼

1. A method for use by a code division multiple access (CDMA) cellular base station having a first and a second antenna, the method comprising: transmitting a first synchronization code from the first antenna during a first time slot, a duration of said transmission of said first synchronization code being less than a duration of the first time slot;transmitting a second synchronization code from the second antenna during a second time slot, a duration of said transmission of said second synchronization code being less than a duration of the second time slot, wherein the first and second synchronization codes differ between base stations and base stations are distinguished using the synchronization codes; andtransmitting control information over a control channel that is aligned with the first and second synchronization codes, wherein the control channel is spread using a CDMA code. 2. The method of claim 1 wherein the CDMA code includes a PN code. 3. The method of claim 1 wherein the first antenna and the second antenna are spatially separated. 4. A code division multiple access (CDMA) cellular base station comprising: a first antenna;a second antenna;circuitry configured to transmit a first synchronization code from the first antenna during a first time slot, a duration of said transmission of the first synchronization information being less than a duration of the first time slot;circuitry configured to transmit a second synchronization code from the second antenna during a second time slot, a duration of said transmission of the second synchronization codes being less than a duration of the second time slot, wherein the first and second synchronization codes differ between base stations and base stations are distinguished using the synchronization codes; andcircuitry configured to transmit control information over a control channel that is aligned with the first and second synchronization codes, wherein the control channel is spread using a CDMA code. 5. The CDMA base station of claim 4 wherein the CDMA code includes a PN code. 6. The CDMA base station of claim 4 wherein the first antenna and the second antenna are spatially separated. 7. A code division multiple access (CDMA) cellular subscriber station comprising: an antenna configured to receive a transmission of a first synchronization code from a base station during a first time slot, a duration of the transmission of the first synchronization code being less than a duration of the first time slot, the antenna further configured to receive a transmission of a second synchronization code during a second time slot, a duration of the received transmission of the second synchronization code being less than a duration of the second time slot;circuitry coupled to the antenna and configured to receive the first and second synchronization codes, wherein the CDMA subscriber station is configured to be synchronized with the base station using the first and second synchronization codes;circuitry configured to determine information associated with the base station based on the first and second synchronization codes, wherein the first and second synchronization codes differ between base stations and base stations are distinguished using the synchronization codes; andcircuitry configured to receive control information over a control channel spread using a CDMA code in a plurality of time slots, wherein each time slot includes a synchronization code being less than a duration of the time slot and the control information of the control channel. 8. The CDMA subscriber station of claim 7 wherein the CDMA code includes a PN code. 9. A method for use in a code division multiple access (CDMA) cellular subscriber station having an antenna, the method comprising: receiving a transmission of at least a first synchronization code from a base station with the antenna during a first time slot, a duration of the received transmission of the first synchronization code being less than a duration of the first time slot; andreceiving, a transmission of at least a second synchronization code from a base station with the antenna during a second time slot, a duration of the received transmission of the second synchronization code being less than a duration of the second time slot;synchronizing the CDMA cellular subscriber unit with the base station using the first and second synchronization codes, wherein the first and second synchronization codes differ between base stations and base stations are distinguished using the synchronization codes;determining information associated with the base station based on the first and second synchronization code; andreceiving control information over a control channel spread using a CDMA code in a plurality of time slots, wherein each time slot includes a synchronization code being less than a duration of the time slot and the control information of the control channel. 10. The method of claim 9 wherein the CDMA code includes a PN code.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Code transmission over timeslots and antennas 원문보기

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Code transmission over timeslots and antennas 원문보기

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